{"body":"* Enforce presence or absence of stack in tests\r\n\r\n* Rename expectNoStack to withoutStack\r\n\r\n* Fix lint\r\n\r\n* Add some tests for toWarnDev()","parents":["43ffae2d1750ee32409e140e41ea562ff46d2516"],"commit":{"authoredAt":"2018-07-16T20:20:18+01:00","revision":"467d1391016dd2df8e1946aa33c6d6e1219c9dbb","authorName":"Dan Abramov","authorEmail":"dan.abramov@gmail.com","subject":"Enforce presence or absence of component stack in tests (#13215)","shortRevision":"467d139101"},"patch":"diff --git a\/packages\/create-subscription\/src\/__tests__\/createSubscription-test.internal.js b\/packages\/create-subscription\/src\/__tests__\/createSubscription-test.internal.js\nindex d96f57ba51..bbeb7892f2 100644\n--- a\/packages\/create-subscription\/src\/__tests__\/createSubscription-test.internal.js\n+++ b\/packages\/create-subscription\/src\/__tests__\/createSubscription-test.internal.js\n@@ -450,7 +450,9 @@ describe('createSubscription', () => {\n },\n () => null,\n );\n- }).toWarnDev('Subscription must specify a getCurrentValue function');\n+ }).toWarnDev('Subscription must specify a getCurrentValue function', {\n+ withoutStack: true,\n+ });\n });\n \n it('should warn for invalid missing subscribe', () => {\n@@ -461,7 +463,9 @@ describe('createSubscription', () => {\n },\n () => null,\n );\n- }).toWarnDev('Subscription must specify a subscribe function');\n+ }).toWarnDev('Subscription must specify a subscribe function', {\n+ withoutStack: true,\n+ });\n });\n \n it('should warn if subscribe does not return an unsubscribe method', () => {\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.internal.js b\/packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.internal.js\nindex 651463bf1c..8ee9782d82 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.internal.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.internal.js\n@@ -43,19 +43,22 @@ describe('ReactComponentLifeCycle', () => {\n const container = document.createElement('div');\n expect(() =>\n ReactDOM.render(, container),\n- ).toLowPriorityWarnDev([\n- 'componentWillMount is deprecated and will be removed in the next major version. ' +\n- 'Use componentDidMount instead. As a temporary workaround, ' +\n- 'you can rename to UNSAFE_componentWillMount.' +\n- '\\n\\nPlease update the following components: MyComponent',\n- 'componentWillReceiveProps is deprecated and will be removed in the next major version. ' +\n- 'Use static getDerivedStateFromProps instead.' +\n- '\\n\\nPlease update the following components: MyComponent',\n- 'componentWillUpdate is deprecated and will be removed in the next major version. ' +\n- 'Use componentDidUpdate instead. As a temporary workaround, ' +\n- 'you can rename to UNSAFE_componentWillUpdate.' +\n- '\\n\\nPlease update the following components: MyComponent',\n- ]);\n+ ).toLowPriorityWarnDev(\n+ [\n+ 'componentWillMount is deprecated and will be removed in the next major version. ' +\n+ 'Use componentDidMount instead. As a temporary workaround, ' +\n+ 'you can rename to UNSAFE_componentWillMount.' +\n+ '\\n\\nPlease update the following components: MyComponent',\n+ 'componentWillReceiveProps is deprecated and will be removed in the next major version. ' +\n+ 'Use static getDerivedStateFromProps instead.' +\n+ '\\n\\nPlease update the following components: MyComponent',\n+ 'componentWillUpdate is deprecated and will be removed in the next major version. ' +\n+ 'Use componentDidUpdate instead. As a temporary workaround, ' +\n+ 'you can rename to UNSAFE_componentWillUpdate.' +\n+ '\\n\\nPlease update the following components: MyComponent',\n+ ],\n+ {withoutStack: true},\n+ );\n \n \/\/ Dedupe check (update and instantiate new\n ReactDOM.render(, container);\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.js b\/packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.js\nindex 25577ee5af..bace77fda7 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.js\n@@ -218,6 +218,7 @@ describe('ReactComponentLifeCycle', () => {\n 'This is a no-op, but it might indicate a bug in your application. ' +\n 'Instead, assign to `this.state` directly or define a `state = {};` ' +\n 'class property with the desired state in the StatefulComponent component.',\n+ {withoutStack: true},\n );\n \n \/\/ Check deduplication; (no extra warnings should be logged).\n@@ -248,7 +249,9 @@ describe('ReactComponentLifeCycle', () => {\n expect(() => {\n const instance = ReactTestUtils.renderIntoDocument(element);\n expect(instance._isMounted()).toBeTruthy();\n- }).toWarnDev('Component is accessing isMounted inside its render()');\n+ }).toWarnDev('Component is accessing isMounted inside its render()', {\n+ withoutStack: true,\n+ });\n });\n \n it('should correctly determine if a null component is mounted', () => {\n@@ -275,7 +278,9 @@ describe('ReactComponentLifeCycle', () => {\n expect(() => {\n const instance = ReactTestUtils.renderIntoDocument(element);\n expect(instance._isMounted()).toBeTruthy();\n- }).toWarnDev('Component is accessing isMounted inside its render()');\n+ }).toWarnDev('Component is accessing isMounted inside its render()', {\n+ withoutStack: true,\n+ });\n });\n \n it('isMounted should return false when unmounted', () => {\n@@ -313,7 +318,9 @@ describe('ReactComponentLifeCycle', () => {\n \n expect(() => {\n ReactTestUtils.renderIntoDocument();\n- }).toWarnDev('Component is accessing findDOMNode inside its render()');\n+ }).toWarnDev('Component is accessing findDOMNode inside its render()', {\n+ withoutStack: true,\n+ });\n });\n \n it('should carry through each of the phases of setup', () => {\n@@ -379,6 +386,7 @@ describe('ReactComponentLifeCycle', () => {\n instance = ReactDOM.render(, container);\n }).toWarnDev(\n 'LifeCycleComponent is accessing isMounted inside its render() function',\n+ {withoutStack: true},\n );\n \n \/\/ getInitialState\n@@ -674,6 +682,7 @@ describe('ReactComponentLifeCycle', () => {\n const container = document.createElement('div');\n expect(() => ReactDOM.render(, container)).toWarnDev(\n 'Unsafe legacy lifecycles will not be called for components using new component APIs.',\n+ {withoutStack: true},\n );\n });\n \n@@ -701,6 +710,7 @@ describe('ReactComponentLifeCycle', () => {\n const container = document.createElement('div');\n expect(() => ReactDOM.render(, container)).toWarnDev(\n 'Unsafe legacy lifecycles will not be called for components using new component APIs.',\n+ {withoutStack: true},\n );\n ReactDOM.render(, container);\n });\n@@ -728,6 +738,7 @@ describe('ReactComponentLifeCycle', () => {\n const container = document.createElement('div');\n expect(() => ReactDOM.render(, container)).toWarnDev(\n 'Unsafe legacy lifecycles will not be called for components using new component APIs.',\n+ {withoutStack: true},\n );\n ReactDOM.render(, container);\n });\n@@ -756,6 +767,7 @@ describe('ReactComponentLifeCycle', () => {\n ' componentWillUpdate\\n\\n' +\n 'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+ {withoutStack: true},\n );\n \n class WillMount extends React.Component {\n@@ -775,6 +787,7 @@ describe('ReactComponentLifeCycle', () => {\n ' UNSAFE_componentWillMount\\n\\n' +\n 'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+ {withoutStack: true},\n );\n \n class WillMountAndUpdate extends React.Component {\n@@ -796,6 +809,7 @@ describe('ReactComponentLifeCycle', () => {\n ' UNSAFE_componentWillUpdate\\n\\n' +\n 'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+ {withoutStack: true},\n );\n \n class WillReceiveProps extends React.Component {\n@@ -815,6 +829,7 @@ describe('ReactComponentLifeCycle', () => {\n ' componentWillReceiveProps\\n\\n' +\n 'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+ {withoutStack: true},\n );\n });\n \n@@ -841,6 +856,7 @@ describe('ReactComponentLifeCycle', () => {\n ' componentWillUpdate\\n\\n' +\n 'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+ {withoutStack: true},\n );\n \n class WillMount extends React.Component {\n@@ -859,6 +875,7 @@ describe('ReactComponentLifeCycle', () => {\n ' UNSAFE_componentWillMount\\n\\n' +\n 'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+ {withoutStack: true},\n );\n \n class WillMountAndUpdate extends React.Component {\n@@ -879,6 +896,7 @@ describe('ReactComponentLifeCycle', () => {\n ' UNSAFE_componentWillUpdate\\n\\n' +\n 'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+ {withoutStack: true},\n );\n \n class WillReceiveProps extends React.Component {\n@@ -897,6 +915,7 @@ describe('ReactComponentLifeCycle', () => {\n ' componentWillReceiveProps\\n\\n' +\n 'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+ {withoutStack: true},\n );\n });\n \n@@ -964,6 +983,7 @@ describe('ReactComponentLifeCycle', () => {\n expect(() => ReactDOM.render(, div)).toWarnDev(\n 'MyComponent.getDerivedStateFromProps(): A valid state object (or null) must ' +\n 'be returned. You have returned undefined.',\n+ {withoutStack: true},\n );\n \n \/\/ De-duped\n@@ -984,6 +1004,7 @@ describe('ReactComponentLifeCycle', () => {\n expect(() => ReactDOM.render(, div)).toWarnDev(\n 'MyComponent: Did not properly initialize state during construction. ' +\n 'Expected state to be an object, but it was undefined.',\n+ {withoutStack: true},\n );\n \n \/\/ De-duped\n@@ -1209,6 +1230,7 @@ describe('ReactComponentLifeCycle', () => {\n expect(() => ReactDOM.render(, div)).toWarnDev(\n 'MyComponent.getSnapshotBeforeUpdate(): A snapshot value (or null) must ' +\n 'be returned. You have returned undefined.',\n+ {withoutStack: true},\n );\n \n \/\/ De-duped\n@@ -1229,6 +1251,7 @@ describe('ReactComponentLifeCycle', () => {\n expect(() => ReactDOM.render(, div)).toWarnDev(\n 'MyComponent: getSnapshotBeforeUpdate() should be used with componentDidUpdate(). ' +\n 'This component defines getSnapshotBeforeUpdate() only.',\n+ {withoutStack: true},\n );\n \n \/\/ De-duped\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactCompositeComponent-test.js b\/packages\/react-dom\/src\/__tests__\/ReactCompositeComponent-test.js\nindex 182564111f..c0b30b032e 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactCompositeComponent-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactCompositeComponent-test.js\n@@ -163,6 +163,7 @@ describe('ReactCompositeComponent', () => {\n 'render(): Calling ReactDOM.render() to hydrate server-rendered markup ' +\n 'will stop working in React v17. Replace the ReactDOM.render() call ' +\n 'with ReactDOM.hydrate() if you want React to attach to the server HTML.',\n+ {withoutStack: true},\n );\n \n \/\/ New explicit API\n@@ -279,6 +280,7 @@ describe('ReactCompositeComponent', () => {\n 'This is a no-op, but it might indicate a bug in your application. ' +\n 'Instead, assign to `this.state` directly or define a `state = {};` ' +\n 'class property with the desired state in the MyComponent component.',\n+ {withoutStack: true},\n );\n \n \/\/ No additional warning should be recorded\n@@ -303,6 +305,7 @@ describe('ReactCompositeComponent', () => {\n 'This is a no-op, but it might indicate a bug in your application. ' +\n 'Instead, assign to `this.state` directly or define a `state = {};` ' +\n 'class property with the desired state in the MyComponent component.',\n+ {withoutStack: true},\n );\n \n \/\/ No additional warning should be recorded\n@@ -466,6 +469,7 @@ describe('ReactCompositeComponent', () => {\n \"`render` or another component's constructor). Render methods should \" +\n 'be a pure function of props and state; constructor side-effects are ' +\n 'an anti-pattern, but can be moved to `componentWillMount`.',\n+ {withoutStack: true},\n );\n \n \/\/ The setState call is queued and then executed as a second pass. This\n@@ -513,6 +517,7 @@ describe('ReactCompositeComponent', () => {\n instance = ReactDOM.render(, container);\n }).toWarnDev(\n 'Warning: setState(...): Cannot call setState() inside getChildContext()',\n+ {withoutStack: true},\n );\n \n expect(renderPasses).toBe(2);\n@@ -589,6 +594,7 @@ describe('ReactCompositeComponent', () => {\n expect(() => instance.setState({bogus: true})).toWarnDev(\n 'Warning: Component.shouldComponentUpdate(): Returned undefined instead of a ' +\n 'boolean value. Make sure to return true or false.',\n+ {withoutStack: true},\n );\n });\n \n@@ -605,6 +611,7 @@ describe('ReactCompositeComponent', () => {\n 'Warning: Component has a method called ' +\n 'componentDidUnmount(). But there is no such lifecycle method. ' +\n 'Did you mean componentWillUnmount()?',\n+ {withoutStack: true},\n );\n });\n \n@@ -623,6 +630,7 @@ describe('ReactCompositeComponent', () => {\n 'If you meant to update the state in response to changing props, ' +\n 'use componentWillReceiveProps(). If you meant to fetch data or ' +\n 'run side-effects or mutations after React has updated the UI, use componentDidUpdate().',\n+ {withoutStack: true},\n );\n });\n \n@@ -641,6 +649,7 @@ describe('ReactCompositeComponent', () => {\n expect(() => ReactTestUtils.renderIntoDocument()).toWarnDev(\n 'Warning: Setting defaultProps as an instance property on Component is not supported ' +\n 'and will be ignored. Instead, define defaultProps as a static property on Component.',\n+ {withoutStack: true},\n );\n });\n \n@@ -1131,6 +1140,7 @@ describe('ReactCompositeComponent', () => {\n 'triggering nested component updates from render is not allowed. If ' +\n 'necessary, trigger nested updates in componentDidUpdate.\\n\\nCheck the ' +\n 'render method of Outer.',\n+ {withoutStack: true},\n );\n });\n \n@@ -1422,6 +1432,7 @@ describe('ReactCompositeComponent', () => {\n expect(() => ReactDOM.render(, container)).toWarnDev(\n 'Foo(...): When calling super() in `Foo`, make sure to pass ' +\n \"up the same props that your component's constructor was passed.\",\n+ {withoutStack: true},\n );\n });\n \ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactCompositeComponentState-test.js b\/packages\/react-dom\/src\/__tests__\/ReactCompositeComponentState-test.js\nindex 65a02827a7..8402abe9bd 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactCompositeComponentState-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactCompositeComponentState-test.js\n@@ -410,6 +410,7 @@ describe('ReactCompositeComponent-state', () => {\n 'Warning: Test.componentWillReceiveProps(): Assigning directly to ' +\n \"this.state is deprecated (except inside a component's constructor). \" +\n 'Use setState instead.',\n+ {withoutStack: true},\n );\n \n expect(ops).toEqual([\n@@ -451,6 +452,7 @@ describe('ReactCompositeComponent-state', () => {\n 'Warning: Test.componentWillMount(): Assigning directly to ' +\n \"this.state is deprecated (except inside a component's constructor). \" +\n 'Use setState instead.',\n+ {withoutStack: true},\n );\n \n expect(ops).toEqual([\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOM-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOM-test.js\nindex b37f4dd35f..08aff5b582 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOM-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOM-test.js\n@@ -450,6 +450,7 @@ describe('ReactDOM', () => {\n jest.resetModules();\n expect(() => require('react-dom')).toWarnDev(\n \"This browser doesn't support requestAnimationFrame.\",\n+ {withoutStack: true},\n );\n } finally {\n global.requestAnimationFrame = previousRAF;\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMComponent-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMComponent-test.js\nindex 441545fc0a..08a83ace2e 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMComponent-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMComponent-test.js\n@@ -567,6 +567,7 @@ describe('ReactDOMComponent', () => {\n }\n }).toWarnDev(\n 'Warning: Invalid attribute name: `blah\" onclick=\"beevil\" noise=\"hi`',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n });\n \n@@ -586,6 +587,7 @@ describe('ReactDOMComponent', () => {\n }\n }).toWarnDev(\n 'Warning: Invalid attribute name: `blah\" onclick=\"beevil\" noise=\"hi`',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n });\n \n@@ -1004,6 +1006,7 @@ describe('ReactDOMComponent', () => {\n '
is using incorrect casing. ' +\n 'Use PascalCase for React components, ' +\n 'or lowercase for HTML elements.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n expect(returnedValue).not.toContain('<\/BR>');\n });\n@@ -1020,6 +1023,7 @@ describe('ReactDOMComponent', () => {\n ' is using incorrect casing. ' +\n 'Use PascalCase for React components, ' +\n 'or lowercase for HTML elements.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n });\n \n@@ -1029,6 +1033,7 @@ describe('ReactDOMComponent', () => {\n ).toWarnDev(\n 'The `aria` attribute is reserved for future use in React. ' +\n 'Pass individual `aria-` attributes instead.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n });\n \n@@ -1051,10 +1056,12 @@ describe('ReactDOMComponent', () => {\n \n expect(() => ReactTestUtils.renderIntoDocument()).toWarnDev(\n 'The tag is unrecognized in this browser',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n \/\/ Test deduplication\n expect(() => ReactTestUtils.renderIntoDocument()).toWarnDev(\n 'The tag is unrecognized in this browser',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n ReactTestUtils.renderIntoDocument();\n \/\/ This is a funny case.\n@@ -1066,12 +1073,15 @@ describe('ReactDOMComponent', () => {\n \/\/ Corner case. Make sure out deduplication logic doesn't break with weird tag.\n expect(() =>\n ReactTestUtils.renderIntoDocument(),\n- ).toWarnDev([\n- ' is using incorrect casing. ' +\n- 'Use PascalCase for React components, ' +\n- 'or lowercase for HTML elements.',\n- 'The tag is unrecognized in this browser',\n- ]);\n+ ).toWarnDev(\n+ [\n+ ' is using incorrect casing. ' +\n+ 'Use PascalCase for React components, ' +\n+ 'or lowercase for HTML elements.',\n+ 'The tag is unrecognized in this browser',\n+ ],\n+ {withoutStack: true}, \/\/ TODO: add a stack\n+ );\n } finally {\n Object.prototype.toString = realToString; \/\/ eslint-disable-line no-extend-native\n }\n@@ -1130,6 +1140,7 @@ describe('ReactDOMComponent', () => {\n expect(() => ReactDOM.render(, node)).toWarnDev(\n 'ShadyComponent is using shady DOM. Using shady DOM with React can ' +\n 'cause things to break subtly.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n mountComponent({is: 'custom-shady-div2'});\n } finally {\n@@ -1150,6 +1161,7 @@ describe('ReactDOMComponent', () => {\n expect(() => mountComponent({is: 'custom-shady-div'})).toWarnDev(\n 'A component is using shady DOM. Using shady DOM with React can ' +\n 'cause things to break subtly.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n \n \/\/ No additional warnings are expected\n@@ -1197,13 +1209,17 @@ describe('ReactDOMComponent', () => {\n it('should validate against use of innerHTML', () => {\n expect(() =>\n mountComponent({innerHTML: 'Hi Jim!<\/span>'}),\n- ).toWarnDev('Directly setting property `innerHTML` is not permitted. ');\n+ ).toWarnDev('Directly setting property `innerHTML` is not permitted. ', {\n+ withoutStack: true, \/\/ TODO: add a stack\n+ });\n });\n \n it('should validate against use of innerHTML without case sensitivity', () => {\n expect(() =>\n mountComponent({innerhtml: 'Hi Jim!<\/span>'}),\n- ).toWarnDev('Directly setting property `innerHTML` is not permitted. ');\n+ ).toWarnDev('Directly setting property `innerHTML` is not permitted. ', {\n+ withoutStack: true, \/\/ TODO: add a stack\n+ });\n });\n \n it('should validate use of dangerouslySetInnerHTML', () => {\n@@ -1796,11 +1812,13 @@ describe('ReactDOMComponent', () => {\n ReactTestUtils.renderIntoDocument(

{}} \/>),\n ).toWarnDev(\n 'React uses onFocus and onBlur instead of onFocusIn and onFocusOut.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n expect(() =>\n ReactTestUtils.renderIntoDocument(

{}} \/>),\n ).toWarnDev(\n 'React uses onFocus and onBlur instead of onFocusIn and onFocusOut.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n });\n \n@@ -1810,11 +1828,13 @@ describe('ReactDOMComponent', () => {\n ReactTestUtils.renderIntoDocument(

{}} \/>),\n ).toWarnDev(\n 'React uses onFocus and onBlur instead of onFocusIn and onFocusOut.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n });\n \n@@ -1824,11 +1844,13 @@ describe('ReactDOMComponent', () => {\n ReactDOMServer.renderToString(

{}} \/>),\n ).toWarnDev(\n 'React uses onFocus and onBlur instead of onFocusIn and onFocusOut.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n expect(() =>\n ReactDOMServer.renderToString(

{}} \/>),\n ).toWarnDev(\n 'React uses onFocus and onBlur instead of onFocusIn and onFocusOut.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n });\n \n@@ -1838,11 +1860,13 @@ describe('ReactDOMComponent', () => {\n ReactDOMServer.renderToString(

{}} \/>),\n ).toWarnDev(\n 'React uses onFocus and onBlur instead of onFocusIn and onFocusOut.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n expect(() =>\n ReactDOMServer.renderToString(

{}} \/>),\n ).toWarnDev(\n 'React uses onFocus and onBlur instead of onFocusIn and onFocusOut.',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n });\n \ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMComponentTree-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMComponentTree-test.js\nindex dc48fcba59..9732ffa6f7 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMComponentTree-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMComponentTree-test.js\n@@ -195,6 +195,7 @@ describe('ReactDOMComponentTree', () => {\n 'was rendered by React and is not a top-level container. You may ' +\n 'have accidentally passed in a React root node instead of its ' +\n 'container.',\n+ {withoutStack: true},\n );\n });\n \n@@ -211,6 +212,7 @@ describe('ReactDOMComponentTree', () => {\n 'component. If you intended to update the children of this node, ' +\n 'you should instead have the existing children update their state ' +\n 'and render the new components instead of calling ReactDOM.render.',\n+ {withoutStack: true},\n );\n });\n });\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMFiber-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMFiber-test.js\nindex 530232becb..c47653fba4 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMFiber-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMFiber-test.js\n@@ -256,6 +256,7 @@ describe('ReactDOMFiber', () => {\n 'and will be removed in React 17+. Update your code to use ' +\n 'ReactDOM.createPortal() instead. It has the exact same API, ' +\n 'but without the \"unstable_\" prefix.',\n+ {withoutStack: true},\n );\n expect(portalContainer.innerHTML).toBe('

portal<\/div>');\n expect(container.innerHTML).toBe('

<\/div>');\n@@ -1100,6 +1101,7 @@ describe('ReactDOMFiber', () => {\n 'removed without using React. This is not supported and will ' +\n 'cause errors. Instead, call ReactDOM.unmountComponentAtNode ' +\n 'to empty a container.',\n+ {withoutStack: true},\n );\n }).toThrowError();\n });\n@@ -1117,6 +1119,7 @@ describe('ReactDOMFiber', () => {\n 'removed without using React. This is not supported and will ' +\n 'cause errors. Instead, call ReactDOM.unmountComponentAtNode ' +\n 'to empty a container.',\n+ {withoutStack: true},\n );\n });\n \n@@ -1133,6 +1136,7 @@ describe('ReactDOMFiber', () => {\n 'removed without using React. This is not supported and will ' +\n 'cause errors. Instead, call ReactDOM.unmountComponentAtNode ' +\n 'to empty a container.',\n+ {withoutStack: true},\n );\n });\n \ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMInput-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMInput-test.js\nindex 480287cfc0..aaa2083934 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMInput-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMInput-test.js\n@@ -930,6 +930,7 @@ describe('ReactDOMInput', () => {\n 'both). Decide between using a controlled or uncontrolled input ' +\n 'element and remove one of these props. More info: ' +\n 'https:\/\/fb.me\/react-controlled-components',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n ReactDOM.unmountComponentAtNode(container);\n \n@@ -957,6 +958,7 @@ describe('ReactDOMInput', () => {\n 'both). Decide between using a controlled or uncontrolled input ' +\n 'element and remove one of these props. More info: ' +\n 'https:\/\/fb.me\/react-controlled-components',\n+ {withoutStack: true}, \/\/ TODO: add a stack\n );\n ReactDOM.unmountComponentAtNode(container);\n \ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMRoot-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMRoot-test.js\nindex 2255d1cb04..deded72130 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMRoot-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMRoot-test.js\n@@ -143,7 +143,9 @@ describe('ReactDOMRoot', () => {\n \n <\/div>,\n );\n- expect(jest.runAllTimers).toWarnDev('Extra attributes');\n+ expect(jest.runAllTimers).toWarnDev('Extra attributes', {\n+ withoutStack: true,\n+ });\n });\n \n it('does not clear existing children', async () => {\n@@ -358,9 +360,10 @@ describe('ReactDOMRoot', () => {\n const root = ReactDOM.unstable_createRoot(container);\n const batch = root.createBatch();\n const InvalidType = undefined;\n- expect(() => batch.render()).toWarnDev([\n- 'React.createElement: type is invalid',\n- ]);\n+ expect(() => batch.render()).toWarnDev(\n+ ['React.createElement: type is invalid'],\n+ {withoutStack: true},\n+ );\n expect(() => batch.commit()).toThrow('Element type is invalid');\n });\n });\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactDOMSelect-test.js b\/packages\/react-dom\/src\/__tests__\/ReactDOMSelect-test.js\nindex dad8ff395f..8ed6f32d0f 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactDOMSelect-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactDOMSelect-test.js\n@@ -576,6 +576,7 @@ describe('ReactDOMSelect', () => {\n ).toWarnDev(\n 'Use the `defaultValue` or `value` props on

.',\n+      {withoutStack: true}, \/\/ TODO: add a stack\n     );\n \n     expect(node.value).toBe('giraffe');\n@@ -319,6 +320,7 @@ describe('ReactDOMTextarea', () => {\n       node = renderTextarea(<textarea>{17}<\/textarea>);\n     }).toWarnDev(\n       'Use the `defaultValue` or `value` props instead of setting children on <textarea>.',\n+      {withoutStack: true}, \/\/ TODO: add a stack\n     );\n     expect(node.value).toBe('17');\n   });\n@@ -329,6 +331,7 @@ describe('ReactDOMTextarea', () => {\n       node = renderTextarea(<textarea>{false}<\/textarea>);\n     }).toWarnDev(\n       'Use the `defaultValue` or `value` props instead of setting children on <textarea>.',\n+      {withoutStack: true}, \/\/ TODO: add a stack\n     );\n     expect(node.value).toBe('false');\n   });\n@@ -344,6 +347,7 @@ describe('ReactDOMTextarea', () => {\n       node = renderTextarea(<textarea>{obj}<\/textarea>);\n     }).toWarnDev(\n       'Use the `defaultValue` or `value` props instead of setting children on <textarea>.',\n+      {withoutStack: true}, \/\/ TODO: add a stack\n     );\n     expect(node.value).toBe('sharkswithlasers');\n   });\n@@ -359,6 +363,7 @@ describe('ReactDOMTextarea', () => {\n         ),\n       ).toWarnDev(\n         'Use the `defaultValue` or `value` props instead of setting children on <textarea>.',\n+        {withoutStack: true}, \/\/ TODO: add a stack\n       );\n     }).toThrow();\n \n@@ -373,6 +378,7 @@ describe('ReactDOMTextarea', () => {\n           )),\n       ).toWarnDev(\n         'Use the `defaultValue` or `value` props instead of setting children on <textarea>.',\n+        {withoutStack: true}, \/\/ TODO: add a stack\n       );\n     }).not.toThrow();\n \n@@ -409,6 +415,7 @@ describe('ReactDOMTextarea', () => {\n         'both). Decide between using a controlled or uncontrolled textarea ' +\n         'and remove one of these props. More info: ' +\n         'https:\/\/fb.me\/react-controlled-components',\n+      {withoutStack: true}, \/\/ TODO: add a stack\n     );\n \n     \/\/ No additional warnings are expected\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactMount-test.js b\/packages\/react-dom\/src\/__tests__\/ReactMount-test.js\nindex 375e85b95b..897dadef9e 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactMount-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactMount-test.js\n@@ -63,6 +63,7 @@ describe('ReactMount', () => {\n       'Functions are not valid as a React child. ' +\n         'This may happen if you return a Component instead of <Component \/> from render. ' +\n         'Or maybe you meant to call this function rather than return it.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -126,6 +127,7 @@ describe('ReactMount', () => {\n \n     expect(() => ReactDOM.hydrate(<div \/>, container)).toWarnDev(\n       'Did not expect server HTML to contain the text node \" \" in <container>.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -135,6 +137,7 @@ describe('ReactMount', () => {\n \n     expect(() => ReactDOM.hydrate(<div \/>, container)).toWarnDev(\n       'Did not expect server HTML to contain the text node \" \" in <container>.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -153,6 +156,7 @@ describe('ReactMount', () => {\n       ReactDOM.render(<div \/>, iFrame.contentDocument.body),\n     ).toWarnDev(\n       'Rendering components directly into document.body is discouraged',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -171,6 +175,7 @@ describe('ReactMount', () => {\n     ).toWarnDev(\n       'Server: \"This markup contains an nbsp entity:   server text\" ' +\n         'Client: \"This markup contains an nbsp entity:   client text\"',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -197,6 +202,7 @@ describe('ReactMount', () => {\n         'root component. If you intended to update the children of this node, ' +\n         'you should instead have the existing children update their state and ' +\n         'render the new components instead of calling ReactDOM.render.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -222,6 +228,7 @@ describe('ReactMount', () => {\n     expect(() => ReactDOMOther.unmountComponentAtNode(container)).toWarnDev(\n       \"Warning: unmountComponentAtNode(): The node you're attempting to unmount \" +\n         'was rendered by another copy of React.',\n+      {withoutStack: true},\n     );\n \n     \/\/ Don't throw a warning if the correct React copy unmounts the node\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactMountDestruction-test.js b\/packages\/react-dom\/src\/__tests__\/ReactMountDestruction-test.js\nindex 24a32a56a1..dec9414e4a 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactMountDestruction-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactMountDestruction-test.js\n@@ -55,6 +55,7 @@ describe('ReactMount', () => {\n         'unmount was rendered by React and is not a top-level container. You ' +\n         'may have accidentally passed in a React root node instead of its ' +\n         'container.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -77,6 +78,7 @@ describe('ReactMount', () => {\n         'unmount was rendered by React and is not a top-level container. ' +\n         'Instead, have the parent component update its state and rerender in ' +\n         'order to remove this component.',\n+      {withoutStack: true},\n     );\n   });\n });\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactRenderDocument-test.js b\/packages\/react-dom\/src\/__tests__\/ReactRenderDocument-test.js\nindex c9b8cb89f3..3e6837557f 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactRenderDocument-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactRenderDocument-test.js\n@@ -39,6 +39,7 @@ describe('rendering React components at document', () => {\n         'render(): Calling ReactDOM.render() to hydrate server-rendered markup ' +\n           'will stop working in React v17. Replace the ReactDOM.render() call ' +\n           'with ReactDOM.hydrate() if you want React to attach to the server HTML.',\n+        {withoutStack: true},\n       );\n     }\n \n@@ -200,8 +201,11 @@ describe('rendering React components at document', () => {\n           'render(): Calling ReactDOM.render() to hydrate server-rendered markup ' +\n             'will stop working in React v17. Replace the ReactDOM.render() call ' +\n             'with ReactDOM.hydrate() if you want React to attach to the server HTML.',\n+          {withoutStack: true},\n         );\n-      }).toWarnDev('Warning: Text content did not match.');\n+      }).toWarnDev('Warning: Text content did not match.', {\n+        withoutStack: true,\n+      });\n     });\n \n     it('should throw on full document render w\/ no markup', () => {\n@@ -369,6 +373,7 @@ describe('rendering React components at document', () => {\n       container.textContent = 'potato';\n       expect(() => ReactDOM.hydrate(<div>parsnip<\/div>, container)).toWarnDev(\n         'Expected server HTML to contain a matching <div> in <div>.',\n+        {withoutStack: true},\n       );\n       expect(container.textContent).toBe('parsnip');\n     });\n@@ -394,7 +399,9 @@ describe('rendering React components at document', () => {\n \n       expect(() =>\n         ReactDOM.hydrate(<Component text=\"Hello world\" \/>, testDocument),\n-      ).toWarnDev('Warning: Text content did not match.');\n+      ).toWarnDev('Warning: Text content did not match.', {\n+        withoutStack: true,\n+      });\n       expect(testDocument.body.innerHTML).toBe('Hello world');\n     });\n \n@@ -417,7 +424,9 @@ describe('rendering React components at document', () => {\n       \/\/ getTestDocument() has an extra <meta> that we didn't render.\n       expect(() =>\n         ReactDOM.hydrate(<Component text=\"Hello world\" \/>, testDocument),\n-      ).toWarnDev('Did not expect server HTML to contain a <meta> in <head>.');\n+      ).toWarnDev('Did not expect server HTML to contain a <meta> in <head>.', {\n+        withoutStack: true,\n+      });\n       expect(testDocument.body.innerHTML).toBe('Hello world');\n     });\n \ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactServerRendering-test.js b\/packages\/react-dom\/src\/__tests__\/ReactServerRendering-test.js\nindex a859e0c8f1..e3b05d7328 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactServerRendering-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactServerRendering-test.js\n@@ -519,6 +519,7 @@ describe('ReactDOMServer', () => {\n       'Warning: setState(...): Can only update a mounting component.' +\n         ' This usually means you called setState() outside componentWillMount() on the server.' +\n         ' This is a no-op.\\n\\nPlease check the code for the Foo component.',\n+      {withoutStack: true},\n     );\n \n     const markup = ReactDOMServer.renderToStaticMarkup(<Foo \/>);\n@@ -546,6 +547,7 @@ describe('ReactDOMServer', () => {\n       'Warning: forceUpdate(...): Can only update a mounting component. ' +\n         'This usually means you called forceUpdate() outside componentWillMount() on the server. ' +\n         'This is a no-op.\\n\\nPlease check the code for the Baz component.',\n+      {withoutStack: true},\n     );\n     const markup = ReactDOMServer.renderToStaticMarkup(<Baz \/>);\n     expect(markup).toBe('<div><\/div>');\n@@ -599,15 +601,18 @@ describe('ReactDOMServer', () => {\n           <\/svg>\n         <\/div>,\n       ),\n-    ).toWarnDev([\n-      'Warning: <inPUT \/> is using incorrect casing. ' +\n-        'Use PascalCase for React components, ' +\n-        'or lowercase for HTML elements.',\n-      \/\/ linearGradient doesn't warn\n-      'Warning: <iFrame \/> is using incorrect casing. ' +\n-        'Use PascalCase for React components, ' +\n-        'or lowercase for HTML elements.',\n-    ]);\n+    ).toWarnDev(\n+      [\n+        'Warning: <inPUT \/> is using incorrect casing. ' +\n+          'Use PascalCase for React components, ' +\n+          'or lowercase for HTML elements.',\n+        \/\/ linearGradient doesn't warn\n+        'Warning: <iFrame \/> is using incorrect casing. ' +\n+          'Use PascalCase for React components, ' +\n+          'or lowercase for HTML elements.',\n+      ],\n+      {withoutStack: true},\n+    );\n   });\n \n   it('should warn about contentEditable and children', () => {\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactServerRenderingHydration.js b\/packages\/react-dom\/src\/__tests__\/ReactServerRenderingHydration.js\nindex 6767fc47de..9f15eab857 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactServerRenderingHydration.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactServerRenderingHydration.js\n@@ -83,6 +83,7 @@ describe('ReactDOMServerHydration', () => {\n         'render(): Calling ReactDOM.render() to hydrate server-rendered markup ' +\n           'will stop working in React v17. Replace the ReactDOM.render() call ' +\n           'with ReactDOM.hydrate() if you want React to attach to the server HTML.',\n+        {withoutStack: true},\n       );\n       expect(mountCount).toEqual(3);\n       expect(element.innerHTML).toBe(lastMarkup);\n@@ -101,7 +102,9 @@ describe('ReactDOMServerHydration', () => {\n       element.innerHTML = lastMarkup;\n       expect(() => {\n         instance = ReactDOM.render(<TestComponent name=\"y\" \/>, element);\n-      }).toWarnDev('Text content did not match. Server: \"x\" Client: \"y\"');\n+      }).toWarnDev('Text content did not match. Server: \"x\" Client: \"y\"', {\n+        withoutStack: true,\n+      });\n       expect(mountCount).toEqual(4);\n       expect(element.innerHTML.length > 0).toBe(true);\n       expect(element.innerHTML).not.toEqual(lastMarkup);\n@@ -184,7 +187,9 @@ describe('ReactDOMServerHydration', () => {\n       element.innerHTML = lastMarkup;\n       expect(() => {\n         instance = ReactDOM.hydrate(<TestComponent name=\"y\" \/>, element);\n-      }).toWarnDev('Text content did not match. Server: \"x\" Client: \"y\"');\n+      }).toWarnDev('Text content did not match. Server: \"x\" Client: \"y\"', {\n+        withoutStack: true,\n+      });\n       expect(mountCount).toEqual(4);\n       expect(element.innerHTML.length > 0).toBe(true);\n       expect(element.innerHTML).not.toEqual(lastMarkup);\n@@ -247,6 +252,7 @@ describe('ReactDOMServerHydration', () => {\n       ReactDOM.hydrate(<button autoFocus={false}>client<\/button>, element),\n     ).toWarnDev(\n       'Warning: Text content did not match. Server: \"server\" Client: \"client\"',\n+      {withoutStack: true},\n     );\n \n     expect(element.firstChild.focus).not.toHaveBeenCalled();\n@@ -286,6 +292,7 @@ describe('ReactDOMServerHydration', () => {\n \n     expect(() => ReactDOM.hydrate(markup, element)).toWarnDev(\n       'Please update the following components to use componentDidMount instead: ComponentWithWarning',\n+      {withoutStack: true},\n     );\n     expect(element.textContent).toBe('Hi');\n   });\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactStatelessComponent-test.js b\/packages\/react-dom\/src\/__tests__\/ReactStatelessComponent-test.js\nindex aa13b58de8..c5b8cbc7e2 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactStatelessComponent-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactStatelessComponent-test.js\n@@ -111,6 +111,7 @@ describe('ReactStatelessComponent', () => {\n     ).toWarnDev(\n       'StatelessComponentWithChildContext: Stateless ' +\n         'functional components do not support getDerivedStateFromProps.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -133,6 +134,7 @@ describe('ReactStatelessComponent', () => {\n     ).toWarnDev(\n       'StatelessComponentWithChildContext(...): childContextTypes cannot ' +\n         'be defined on a functional component.',\n+      {withoutStack: true},\n     );\n   });\n \ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactTestUtils-test.js b\/packages\/react-dom\/src\/__tests__\/ReactTestUtils-test.js\nindex 34bb16cb37..148befdb23 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactTestUtils-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactTestUtils-test.js\n@@ -59,6 +59,7 @@ describe('ReactTestUtils', () => {\n       'ReactTestUtils.mockComponent() is deprecated. ' +\n         'Use shallow rendering or jest.mock() instead.\\n\\n' +\n         'See https:\/\/fb.me\/test-utils-mock-component for more information.',\n+      {withoutStack: true},\n     );\n \n     \/\/ De-duplication check\ndiff --git a\/packages\/react-dom\/src\/__tests__\/ReactUpdates-test.js b\/packages\/react-dom\/src\/__tests__\/ReactUpdates-test.js\nindex b29af8f52f..184f289535 100644\n--- a\/packages\/react-dom\/src\/__tests__\/ReactUpdates-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/ReactUpdates-test.js\n@@ -1226,6 +1226,7 @@ describe('ReactUpdates', () => {\n     const container = document.createElement('div');\n     expect(() => ReactDOM.render(<Foo \/>, container)).toWarnDev(\n       'Cannot update during an existing state transition',\n+      {withoutStack: true},\n     );\n     expect(ops).toEqual(['base: 0, memoized: 0', 'base: 1, memoized: 1']);\n   });\ndiff --git a\/packages\/react-dom\/src\/__tests__\/validateDOMNesting-test.js b\/packages\/react-dom\/src\/__tests__\/validateDOMNesting-test.js\nindex f2c092cc48..94ea338f59 100644\n--- a\/packages\/react-dom\/src\/__tests__\/validateDOMNesting-test.js\n+++ b\/packages\/react-dom\/src\/__tests__\/validateDOMNesting-test.js\n@@ -12,7 +12,7 @@\n const React = require('react');\n const ReactDOM = require('react-dom');\n \n-function expectWarnings(tags, warnings = []) {\n+function expectWarnings(tags, warnings = [], withoutStack = 0) {\n   tags = [...tags];\n   warnings = [...warnings];\n \n@@ -28,7 +28,9 @@ function expectWarnings(tags, warnings = []) {\n     element = <Tag>{element}<\/Tag>;\n   }\n \n-  expect(() => ReactDOM.render(element, container)).toWarnDev(warnings);\n+  expect(() => ReactDOM.render(element, container)).toWarnDev(warnings, {\n+    withoutStack,\n+  });\n }\n \n describe('validateDOMNesting', () => {\n@@ -39,6 +41,7 @@ describe('validateDOMNesting', () => {\n       [\n         'render(): Rendering components directly into document.body is discouraged',\n       ],\n+      1,\n     );\n     expectWarnings(['div', 'a', 'object', 'a']);\n     expectWarnings(['div', 'p', 'button', 'p']);\n@@ -106,6 +109,7 @@ describe('validateDOMNesting', () => {\n         'validateDOMNesting(...): <body> cannot appear as a child of <body>.\\n' +\n           '    in body (at **)',\n       ],\n+      1,\n     );\n     expectWarnings(\n       ['svg', 'foreignObject', 'body', 'p'],\ndiff --git a\/packages\/react-dom\/src\/events\/__tests__\/SyntheticEvent-test.js b\/packages\/react-dom\/src\/events\/__tests__\/SyntheticEvent-test.js\nindex 6ba906593c..6d98060e9e 100644\n--- a\/packages\/react-dom\/src\/events\/__tests__\/SyntheticEvent-test.js\n+++ b\/packages\/react-dom\/src\/events\/__tests__\/SyntheticEvent-test.js\n@@ -153,12 +153,15 @@ describe('SyntheticEvent', () => {\n     \/\/ once for each property accessed\n     expect(() => expect(syntheticEvent.type).toBe(null)).toWarnDev(\n       getExpectedWarning('type'),\n+      {withoutStack: true},\n     );\n     expect(() => expect(syntheticEvent.nativeEvent).toBe(null)).toWarnDev(\n       getExpectedWarning('nativeEvent'),\n+      {withoutStack: true},\n     );\n     expect(() => expect(syntheticEvent.target).toBe(null)).toWarnDev(\n       getExpectedWarning('target'),\n+      {withoutStack: true},\n     );\n \n     expect(expectedCount).toBe(1);\n@@ -188,6 +191,7 @@ describe('SyntheticEvent', () => {\n         'released\/nullified synthetic event. This is effectively a no-op. If you must ' +\n         'keep the original synthetic event around, use event.persist(). ' +\n         'See https:\/\/fb.me\/react-event-pooling for more information.',\n+      {withoutStack: true},\n     );\n     expect(expectedCount).toBe(1);\n   });\n@@ -213,6 +217,7 @@ describe('SyntheticEvent', () => {\n         'released\/nullified synthetic event. This is a no-op function. If you must ' +\n         'keep the original synthetic event around, use event.persist(). ' +\n         'See https:\/\/fb.me\/react-event-pooling for more information.',\n+      {withoutStack: true},\n     );\n     expect(expectedCount).toBe(1);\n   });\n@@ -239,6 +244,7 @@ describe('SyntheticEvent', () => {\n         'released\/nullified synthetic event. This is a no-op function. If you must ' +\n         'keep the original synthetic event around, use event.persist(). ' +\n         'See https:\/\/fb.me\/react-event-pooling for more information.',\n+      {withoutStack: true},\n     );\n     expect(expectedCount).toBe(1);\n   });\n@@ -260,6 +266,7 @@ describe('SyntheticEvent', () => {\n         'released\/nullified synthetic event. This is set to null. If you must ' +\n         'keep the original synthetic event around, use event.persist(). ' +\n         'See https:\/\/fb.me\/react-event-pooling for more information.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -277,6 +284,7 @@ describe('SyntheticEvent', () => {\n             \"you're seeing this, you're adding a new property in the synthetic \" +\n             'event object. The property is never released. ' +\n             'See https:\/\/fb.me\/react-event-pooling for more information.',\n+          {withoutStack: true},\n         );\n       } else {\n         e.foo = 'bar';\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactIncremental-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactIncremental-test.internal.js\nindex b4674fd75f..0ffd7079d7 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactIncremental-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactIncremental-test.internal.js\n@@ -2403,6 +2403,7 @@ describe('ReactIncremental', () => {\n     expect(ReactNoop.flush).toWarnDev(\n       'componentWillReceiveProps: Please update the following components ' +\n         'to use static getDerivedStateFromProps instead: MyComponent',\n+      {withoutStack: true},\n     );\n \n     expect(ops).toEqual([\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalErrorHandling-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalErrorHandling-test.internal.js\nindex 00dd06e660..8e1945f283 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalErrorHandling-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalErrorHandling-test.internal.js\n@@ -1100,6 +1100,7 @@ describe('ReactIncrementalErrorHandling', () => {\n     const InvalidType = undefined;\n     expect(() => ReactNoop.render(<InvalidType \/>)).toWarnDev(\n       'Warning: React.createElement: type is invalid -- expected a string',\n+      {withoutStack: true},\n     );\n     expect(ReactNoop.flush).toThrowError(\n       'Element type is invalid: expected a string (for built-in components) or ' +\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalPerf-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalPerf-test.internal.js\nindex ef4631a81d..d5d335a169 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalPerf-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalPerf-test.internal.js\n@@ -314,12 +314,15 @@ describe('ReactDebugFiberPerf', () => {\n       <\/Parent>,\n     );\n     addComment('Should not print a warning');\n-    expect(ReactNoop.flush).toWarnDev([\n-      'componentWillMount: Please update the following components ' +\n-        'to use componentDidMount instead: NotCascading' +\n-        '\\n\\ncomponentWillReceiveProps: Please update the following components ' +\n-        'to use static getDerivedStateFromProps instead: NotCascading',\n-    ]);\n+    expect(ReactNoop.flush).toWarnDev(\n+      [\n+        'componentWillMount: Please update the following components ' +\n+          'to use componentDidMount instead: NotCascading' +\n+          '\\n\\ncomponentWillReceiveProps: Please update the following components ' +\n+          'to use static getDerivedStateFromProps instead: NotCascading',\n+      ],\n+      {withoutStack: true},\n+    );\n     ReactNoop.render(\n       <Parent>\n         <NotCascading \/>\n@@ -360,6 +363,7 @@ describe('ReactDebugFiberPerf', () => {\n         'to use static getDerivedStateFromProps instead: AllLifecycles' +\n         '\\n\\ncomponentWillUpdate: Please update the following components ' +\n         'to use componentDidUpdate instead: AllLifecycles',\n+      {withoutStack: true},\n     );\n     ReactNoop.render(<AllLifecycles \/>);\n     addComment('Update');\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalReflection-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalReflection-test.internal.js\nindex 64decb120a..250b816900 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalReflection-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalReflection-test.internal.js\n@@ -65,6 +65,7 @@ describe('ReactIncrementalReflection', () => {\n     expect(ReactNoop.flush).toWarnDev(\n       'componentWillMount: Please update the following components ' +\n         'to use componentDidMount instead: Component',\n+      {withoutStack: true},\n     );\n \n     expect(ops).toEqual(['componentDidMount', true]);\n@@ -106,6 +107,7 @@ describe('ReactIncrementalReflection', () => {\n     expect(ReactNoop.flush).toWarnDev(\n       'componentWillMount: Please update the following components ' +\n         'to use componentDidMount instead: Component',\n+      {withoutStack: true},\n     );\n \n     expect(ops).toEqual(['Component']);\n@@ -198,6 +200,7 @@ describe('ReactIncrementalReflection', () => {\n         'to use componentDidMount instead: Component' +\n         '\\n\\ncomponentWillUpdate: Please update the following components ' +\n         'to use componentDidUpdate instead: Component',\n+      {withoutStack: true},\n     );\n \n     const hostSpan = classInstance.span;\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalScheduling-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalScheduling-test.internal.js\nindex 85b9763353..8d9bd41cc2 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalScheduling-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalScheduling-test.internal.js\n@@ -353,6 +353,7 @@ describe('ReactIncrementalScheduling', () => {\n     expect(ReactNoop.flush).toWarnDev(\n       'componentWillReceiveProps: Please update the following components ' +\n         'to use static getDerivedStateFromProps instead: Foo',\n+      {withoutStack: true},\n     );\n \n     ReactNoop.render(<Foo step={2} \/>);\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalUpdates-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalUpdates-test.internal.js\nindex ddf917d7e8..f33100e3cb 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalUpdates-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactIncrementalUpdates-test.internal.js\n@@ -345,6 +345,7 @@ describe('ReactIncrementalUpdates', () => {\n     expect(ReactNoop.flush).toWarnDev(\n       'componentWillReceiveProps: Please update the following components ' +\n         'to use static getDerivedStateFromProps instead: Foo',\n+      {withoutStack: true},\n     );\n \n     ops = [];\n@@ -385,6 +386,7 @@ describe('ReactIncrementalUpdates', () => {\n         'from inside an update function. Update functions should be pure, ' +\n         'with zero side-effects. Consider using componentDidUpdate or a ' +\n         'callback.',\n+      {withoutStack: true},\n     );\n     expect(ops).toEqual([\n       \/\/ Initial render\ndiff --git a\/packages\/react-reconciler\/src\/__tests__\/ReactNewContext-test.internal.js b\/packages\/react-reconciler\/src\/__tests__\/ReactNewContext-test.internal.js\nindex 95355e2a18..44ae40bc12 100644\n--- a\/packages\/react-reconciler\/src\/__tests__\/ReactNewContext-test.internal.js\n+++ b\/packages\/react-reconciler\/src\/__tests__\/ReactNewContext-test.internal.js\n@@ -720,6 +720,7 @@ describe('ReactNewContext', () => {\n       expect(console.error.calls.argsFor(0)[0]).toContain(\n         'calculateChangedBits: Expected the return value to be a 31-bit ' +\n           'integer. Instead received: 4294967295',\n+        {withoutStack: true}, \/\/ TODO: add a stack\n       );\n     }\n   });\ndiff --git a\/packages\/react\/src\/__tests__\/ReactChildren-test.js b\/packages\/react\/src\/__tests__\/ReactChildren-test.js\nindex 841875fce3..83aff2be3a 100644\n--- a\/packages\/react\/src\/__tests__\/ReactChildren-test.js\n+++ b\/packages\/react\/src\/__tests__\/ReactChildren-test.js\n@@ -928,6 +928,7 @@ describe('ReactChildren', () => {\n         'Warning: ' +\n           'Each child in an array or iterator should have a unique \"key\" prop.' +\n           ' See https:\/\/fb.me\/react-warning-keys for more information.',\n+        {withoutStack: true}, \/\/ There's nothing on the stack\n       );\n     });\n   });\ndiff --git a\/packages\/react\/src\/__tests__\/ReactCoffeeScriptClass-test.coffee b\/packages\/react\/src\/__tests__\/ReactCoffeeScriptClass-test.coffee\nindex a137a5488b..ed49ba0072 100644\n--- a\/packages\/react\/src\/__tests__\/ReactCoffeeScriptClass-test.coffee\n+++ b\/packages\/react\/src\/__tests__\/ReactCoffeeScriptClass-test.coffee\n@@ -55,7 +55,7 @@ describe 'ReactCoffeeScriptClass', ->\n       # A failed component renders twice in DEV\n       'No `render` method found on the returned component instance',\n       'No `render` method found on the returned component instance',\n-    ])\n+    ], {withoutStack: true})\n     undefined\n \n   it 'renders a simple stateless component with prop', ->\n@@ -126,7 +126,7 @@ describe 'ReactCoffeeScriptClass', ->\n         {}\n     expect(->\n       ReactDOM.render(React.createElement(Foo, foo: 'foo'), container)\n-    ).toWarnDev 'Foo: getDerivedStateFromProps() is defined as an instance method and will be ignored. Instead, declare it as a static method.',\n+    ).toWarnDev 'Foo: getDerivedStateFromProps() is defined as an instance method and will be ignored. Instead, declare it as a static method.', {withoutStack: true}\n     undefined\n \n   it 'warns if getDerivedStateFromCatch is not static', ->\n@@ -137,7 +137,7 @@ describe 'ReactCoffeeScriptClass', ->\n         {}\n     expect(->\n       ReactDOM.render(React.createElement(Foo, foo: 'foo'), container)\n-    ).toWarnDev 'Foo: getDerivedStateFromCatch() is defined as an instance method and will be ignored. Instead, declare it as a static method.',\n+    ).toWarnDev 'Foo: getDerivedStateFromCatch() is defined as an instance method and will be ignored. Instead, declare it as a static method.', {withoutStack: true}\n     undefined\n \n   it 'warns if getSnapshotBeforeUpdate is static', ->\n@@ -148,7 +148,7 @@ describe 'ReactCoffeeScriptClass', ->\n       {}\n     expect(->\n       ReactDOM.render(React.createElement(Foo, foo: 'foo'), container)\n-    ).toWarnDev 'Foo: getSnapshotBeforeUpdate() is defined as a static method and will be ignored. Instead, declare it as an instance method.',\n+    ).toWarnDev 'Foo: getSnapshotBeforeUpdate() is defined as a static method and will be ignored. Instead, declare it as an instance method.', {withoutStack: true}\n     undefined\n \n   it 'warns if state not initialized before static getDerivedStateFromProps', ->\n@@ -163,7 +163,7 @@ describe 'ReactCoffeeScriptClass', ->\n       }\n     expect(->\n       ReactDOM.render(React.createElement(Foo, foo: 'foo'), container)\n-    ).toWarnDev 'Foo: Did not properly initialize state during construction. Expected state to be an object, but it was undefined.'\n+    ).toWarnDev 'Foo: Did not properly initialize state during construction. Expected state to be an object, but it was undefined.', {withoutStack: true}\n     undefined\n \n   it 'updates initial state with values returned by static getDerivedStateFromProps', ->\n@@ -262,7 +262,7 @@ describe 'ReactCoffeeScriptClass', ->\n \n       expect(->\n         test React.createElement(Foo), 'SPAN', ''\n-      ).toWarnDev('Foo.state: must be set to an object or null')\n+      ).toWarnDev('Foo.state: must be set to an object or null', {withoutStack: true})\n     undefined\n \n   it 'should render with null in the initial state property', ->\n@@ -408,7 +408,7 @@ describe 'ReactCoffeeScriptClass', ->\n       'getDefaultProps was defined on Foo, a plain JavaScript class.',\n       'propTypes was defined as an instance property on Foo.',\n       'contextTypes was defined as an instance property on Foo.',\n-    ])\n+    ], {withoutStack: true})\n     expect(getInitialStateWasCalled).toBe false\n     expect(getDefaultPropsWasCalled).toBe false\n     undefined\n@@ -444,7 +444,8 @@ describe 'ReactCoffeeScriptClass', ->\n     ).toWarnDev(\n       'Warning: NamedComponent has a method called componentShouldUpdate().\n        Did you mean shouldComponentUpdate()? The name is phrased as a\n-       question because the function is expected to return a value.'\n+       question because the function is expected to return a value.',\n+       {withoutStack: true}\n     )\n     undefined\n \n@@ -461,7 +462,8 @@ describe 'ReactCoffeeScriptClass', ->\n       test React.createElement(NamedComponent), 'SPAN', 'foo'\n     ).toWarnDev(\n       'Warning: NamedComponent has a method called componentWillRecieveProps().\n-       Did you mean componentWillReceiveProps()?'\n+       Did you mean componentWillReceiveProps()?',\n+       {withoutStack: true}\n     )\n     undefined\n \n@@ -478,7 +480,8 @@ describe 'ReactCoffeeScriptClass', ->\n       test React.createElement(NamedComponent), 'SPAN', 'foo'\n     ).toWarnDev(\n       'Warning: NamedComponent has a method called UNSAFE_componentWillRecieveProps().\n-       Did you mean UNSAFE_componentWillReceiveProps()?'\n+       Did you mean UNSAFE_componentWillReceiveProps()?',\n+       {withoutStack: true}\n     )\n     undefined\n \n@@ -488,12 +491,14 @@ describe 'ReactCoffeeScriptClass', ->\n     expect(->\n       expect(-> instance.replaceState {}).toThrow()\n     ).toLowPriorityWarnDev(\n-      'replaceState(...) is deprecated in plain JavaScript React classes'\n+      'replaceState(...) is deprecated in plain JavaScript React classes',\n+      {withoutStack: true}\n     )\n     expect(->\n       expect(-> instance.isMounted()).toThrow()\n     ).toLowPriorityWarnDev(\n-      'isMounted(...) is deprecated in plain JavaScript React classes'\n+      'isMounted(...) is deprecated in plain JavaScript React classes',\n+      {withoutStack: true}\n     )\n     undefined\n \ndiff --git a\/packages\/react\/src\/__tests__\/ReactContextValidator-test.js b\/packages\/react\/src\/__tests__\/ReactContextValidator-test.js\nindex b4f500d930..976027770c 100644\n--- a\/packages\/react\/src\/__tests__\/ReactContextValidator-test.js\n+++ b\/packages\/react\/src\/__tests__\/ReactContextValidator-test.js\n@@ -271,6 +271,7 @@ describe('ReactContextValidator', () => {\n       'Warning: ComponentA.childContextTypes is specified but there is no ' +\n         'getChildContext() method on the instance. You can either define ' +\n         'getChildContext() on ComponentA or remove childContextTypes from it.',\n+      {withoutStack: true},\n     );\n \n     \/\/ Warnings should be deduped by component type\n@@ -280,6 +281,7 @@ describe('ReactContextValidator', () => {\n       'Warning: ComponentB.childContextTypes is specified but there is no ' +\n         'getChildContext() method on the instance. You can either define ' +\n         'getChildContext() on ComponentB or remove childContextTypes from it.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -323,13 +325,16 @@ describe('ReactContextValidator', () => {\n \n     expect(() =>\n       ReactTestUtils.renderIntoDocument(<ParentContextProvider \/>),\n-    ).toWarnDev([\n-      'Warning: MiddleMissingContext.childContextTypes is specified but there is no getChildContext() method on the ' +\n-        'instance. You can either define getChildContext() on MiddleMissingContext or remove childContextTypes from ' +\n-        'it.',\n-      'Warning: Failed context type: The context `bar` is marked as required in `ChildContextConsumer`, but its ' +\n-        'value is `undefined`.',\n-    ]);\n+    ).toWarnDev(\n+      [\n+        'Warning: MiddleMissingContext.childContextTypes is specified but there is no ' +\n+          'getChildContext() method on the instance. You can either define getChildContext() ' +\n+          'on MiddleMissingContext or remove childContextTypes from it.',\n+        'Warning: Failed context type: The context `bar` is marked as required ' +\n+          'in `ChildContextConsumer`, but its value is `undefined`.',\n+      ],\n+      {withoutStack: 1},\n+    );\n     expect(childContext.bar).toBeUndefined();\n     expect(childContext.foo).toBe('FOO');\n   });\ndiff --git a\/packages\/react\/src\/__tests__\/ReactES6Class-test.js b\/packages\/react\/src\/__tests__\/ReactES6Class-test.js\nindex 8284f53e44..39da681bd6 100644\n--- a\/packages\/react\/src\/__tests__\/ReactES6Class-test.js\n+++ b\/packages\/react\/src\/__tests__\/ReactES6Class-test.js\n@@ -59,13 +59,16 @@ describe('ReactES6Class', () => {\n     class Foo extends React.Component {}\n     expect(() =>\n       expect(() => ReactDOM.render(<Foo \/>, container)).toThrow(),\n-    ).toWarnDev([\n-      \/\/ A failed component renders twice in DEV\n-      'Warning: Foo(...): No `render` method found on the returned component ' +\n-        'instance: you may have forgotten to define `render`.',\n-      'Warning: Foo(...): No `render` method found on the returned component ' +\n-        'instance: you may have forgotten to define `render`.',\n-    ]);\n+    ).toWarnDev(\n+      [\n+        \/\/ A failed component renders twice in DEV\n+        'Warning: Foo(...): No `render` method found on the returned component ' +\n+          'instance: you may have forgotten to define `render`.',\n+        'Warning: Foo(...): No `render` method found on the returned component ' +\n+          'instance: you may have forgotten to define `render`.',\n+      ],\n+      {withoutStack: true},\n+    );\n   });\n \n   it('renders a simple stateless component with prop', () => {\n@@ -140,6 +143,7 @@ describe('ReactES6Class', () => {\n     expect(() => ReactDOM.render(<Foo foo=\"foo\" \/>, container)).toWarnDev(\n       'Foo: getDerivedStateFromProps() is defined as an instance method ' +\n         'and will be ignored. Instead, declare it as a static method.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -155,6 +159,7 @@ describe('ReactES6Class', () => {\n     expect(() => ReactDOM.render(<Foo foo=\"foo\" \/>, container)).toWarnDev(\n       'Foo: getDerivedStateFromCatch() is defined as an instance method ' +\n         'and will be ignored. Instead, declare it as a static method.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -168,6 +173,7 @@ describe('ReactES6Class', () => {\n     expect(() => ReactDOM.render(<Foo foo=\"foo\" \/>, container)).toWarnDev(\n       'Foo: getSnapshotBeforeUpdate() is defined as a static method ' +\n         'and will be ignored. Instead, declare it as an instance method.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -186,6 +192,7 @@ describe('ReactES6Class', () => {\n     expect(() => ReactDOM.render(<Foo foo=\"foo\" \/>, container)).toWarnDev(\n       'Foo: Did not properly initialize state during construction. ' +\n         'Expected state to be an object, but it was undefined.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -291,6 +298,7 @@ describe('ReactES6Class', () => {\n       }\n       expect(() => test(<Foo \/>, 'SPAN', '')).toWarnDev(\n         'Foo.state: must be set to an object or null',\n+        {withoutStack: true},\n       );\n     });\n   });\n@@ -440,12 +448,15 @@ describe('ReactES6Class', () => {\n       }\n     }\n \n-    expect(() => test(<Foo \/>, 'SPAN', 'foo')).toWarnDev([\n-      'getInitialState was defined on Foo, a plain JavaScript class.',\n-      'getDefaultProps was defined on Foo, a plain JavaScript class.',\n-      'propTypes was defined as an instance property on Foo.',\n-      'contextTypes was defined as an instance property on Foo.',\n-    ]);\n+    expect(() => test(<Foo \/>, 'SPAN', 'foo')).toWarnDev(\n+      [\n+        'getInitialState was defined on Foo, a plain JavaScript class.',\n+        'getDefaultProps was defined on Foo, a plain JavaScript class.',\n+        'propTypes was defined as an instance property on Foo.',\n+        'contextTypes was defined as an instance property on Foo.',\n+      ],\n+      {withoutStack: true},\n+    );\n     expect(getInitialStateWasCalled).toBe(false);\n     expect(getDefaultPropsWasCalled).toBe(false);\n   });\n@@ -478,6 +489,7 @@ describe('ReactES6Class', () => {\n         'NamedComponent has a method called componentShouldUpdate(). Did you ' +\n         'mean shouldComponentUpdate()? The name is phrased as a question ' +\n         'because the function is expected to return a value.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -495,6 +507,7 @@ describe('ReactES6Class', () => {\n       'Warning: ' +\n         'NamedComponent has a method called componentWillRecieveProps(). Did ' +\n         'you mean componentWillReceiveProps()?',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -512,6 +525,7 @@ describe('ReactES6Class', () => {\n       'Warning: ' +\n         'NamedComponent has a method called UNSAFE_componentWillRecieveProps(). ' +\n         'Did you mean UNSAFE_componentWillReceiveProps()?',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -521,11 +535,13 @@ describe('ReactES6Class', () => {\n       expect(() => instance.replaceState({})).toThrow(),\n     ).toLowPriorityWarnDev(\n       'replaceState(...) is deprecated in plain JavaScript React classes',\n+      {withoutStack: true},\n     );\n     expect(() =>\n       expect(() => instance.isMounted()).toThrow(),\n     ).toLowPriorityWarnDev(\n       'isMounted(...) is deprecated in plain JavaScript React classes',\n+      {withoutStack: true},\n     );\n   });\n \ndiff --git a\/packages\/react\/src\/__tests__\/ReactElement-test.js b\/packages\/react\/src\/__tests__\/ReactElement-test.js\nindex 5790767e5b..5a30cbe8b0 100644\n--- a\/packages\/react\/src\/__tests__\/ReactElement-test.js\n+++ b\/packages\/react\/src\/__tests__\/ReactElement-test.js\n@@ -80,6 +80,7 @@ describe('ReactElement', () => {\n         'in `undefined` being returned. If you need to access the same ' +\n         'value within the child component, you should pass it as a different ' +\n         'prop. (https:\/\/fb.me\/react-special-props)',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -90,6 +91,7 @@ describe('ReactElement', () => {\n         'in `undefined` being returned. If you need to access the same ' +\n         'value within the child component, you should pass it as a different ' +\n         'prop. (https:\/\/fb.me\/react-special-props)',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -114,6 +116,7 @@ describe('ReactElement', () => {\n         'in `undefined` being returned. If you need to access the same ' +\n         'value within the child component, you should pass it as a different ' +\n         'prop. (https:\/\/fb.me\/react-special-props)',\n+      {withoutStack: true},\n     );\n   });\n \ndiff --git a\/packages\/react\/src\/__tests__\/ReactElementValidator-test.internal.js b\/packages\/react\/src\/__tests__\/ReactElementValidator-test.internal.js\nindex 8fca997707..cb9a9eaa04 100644\n--- a\/packages\/react\/src\/__tests__\/ReactElementValidator-test.internal.js\n+++ b\/packages\/react\/src\/__tests__\/ReactElementValidator-test.internal.js\n@@ -235,27 +235,30 @@ describe('ReactElementValidator', () => {\n       React.createElement(true);\n       React.createElement({x: 17});\n       React.createElement({});\n-    }).toWarnDev([\n-      'Warning: React.createElement: type is invalid -- expected a string ' +\n-        '(for built-in components) or a class\/function (for composite ' +\n-        'components) but got: undefined. You likely forgot to export your ' +\n-        \"component from the file it's defined in, or you might have mixed up \" +\n-        'default and named imports.',\n-      'Warning: React.createElement: type is invalid -- expected a string ' +\n-        '(for built-in components) or a class\/function (for composite ' +\n-        'components) but got: null.',\n-      'Warning: React.createElement: type is invalid -- expected a string ' +\n-        '(for built-in components) or a class\/function (for composite ' +\n-        'components) but got: boolean.',\n-      'Warning: React.createElement: type is invalid -- expected a string ' +\n-        '(for built-in components) or a class\/function (for composite ' +\n-        'components) but got: object.',\n-      'Warning: React.createElement: type is invalid -- expected a string ' +\n-        '(for built-in components) or a class\/function (for composite ' +\n-        'components) but got: object. You likely forgot to export your ' +\n-        \"component from the file it's defined in, or you might have mixed up \" +\n-        'default and named imports.',\n-    ]);\n+    }).toWarnDev(\n+      [\n+        'Warning: React.createElement: type is invalid -- expected a string ' +\n+          '(for built-in components) or a class\/function (for composite ' +\n+          'components) but got: undefined. You likely forgot to export your ' +\n+          \"component from the file it's defined in, or you might have mixed up \" +\n+          'default and named imports.',\n+        'Warning: React.createElement: type is invalid -- expected a string ' +\n+          '(for built-in components) or a class\/function (for composite ' +\n+          'components) but got: null.',\n+        'Warning: React.createElement: type is invalid -- expected a string ' +\n+          '(for built-in components) or a class\/function (for composite ' +\n+          'components) but got: boolean.',\n+        'Warning: React.createElement: type is invalid -- expected a string ' +\n+          '(for built-in components) or a class\/function (for composite ' +\n+          'components) but got: object.',\n+        'Warning: React.createElement: type is invalid -- expected a string ' +\n+          '(for built-in components) or a class\/function (for composite ' +\n+          'components) but got: object. You likely forgot to export your ' +\n+          \"component from the file it's defined in, or you might have mixed up \" +\n+          'default and named imports.',\n+      ],\n+      {withoutStack: true},\n+    );\n \n     \/\/ Should not log any additional warnings\n     React.createElement('div');\n@@ -372,6 +375,7 @@ describe('ReactElementValidator', () => {\n         'returned a function. You may have forgotten to pass an argument to ' +\n         'the type checker creator (arrayOf, instanceOf, objectOf, oneOf, ' +\n         'oneOfType, and shape all require an argument).',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -392,6 +396,7 @@ describe('ReactElementValidator', () => {\n     }).toWarnDev(\n       'Warning: Component MisspelledPropTypesComponent declared `PropTypes` ' +\n         'instead of `propTypes`. Did you misspell the property assignment?',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -404,6 +409,7 @@ describe('ReactElementValidator', () => {\n     expect(() => TestFactory.type).toLowPriorityWarnDev(\n       'Warning: Factory.type is deprecated. Access the class directly before ' +\n         'passing it to createFactory.',\n+      {withoutStack: true},\n     );\n \n     \/\/ Warn once, not again\n@@ -471,6 +477,7 @@ describe('ReactElementValidator', () => {\n         'components) but got: undefined. You likely forgot to export your ' +\n         \"component from the file it's defined in, or you might have mixed up \" +\n         'default and named imports.\\n\\nCheck your code at **.',\n+      {withoutStack: true},\n     );\n   });\n });\ndiff --git a\/packages\/react\/src\/__tests__\/ReactJSXElementValidator-test.js b\/packages\/react\/src\/__tests__\/ReactJSXElementValidator-test.js\nindex 741d978de7..010a03d24a 100644\n--- a\/packages\/react\/src\/__tests__\/ReactJSXElementValidator-test.js\n+++ b\/packages\/react\/src\/__tests__\/ReactJSXElementValidator-test.js\n@@ -221,18 +221,21 @@ describe('ReactJSXElementValidator', () => {\n         \"component from the file it's defined in, or you might have mixed up \" +\n         'default and named imports.' +\n         '\\n\\nCheck your code at **.',\n+      {withoutStack: true},\n     );\n     expect(() => void <Null \/>).toWarnDev(\n       'Warning: React.createElement: type is invalid -- expected a string ' +\n         '(for built-in components) or a class\/function (for composite ' +\n         'components) but got: null.' +\n         '\\n\\nCheck your code at **.',\n+      {withoutStack: true},\n     );\n     expect(() => void <True \/>).toWarnDev(\n       'Warning: React.createElement: type is invalid -- expected a string ' +\n         '(for built-in components) or a class\/function (for composite ' +\n         'components) but got: boolean.' +\n         '\\n\\nCheck your code at **.',\n+      {withoutStack: true},\n     );\n     \/\/ No error expected\n     void <Div \/>;\n@@ -334,6 +337,7 @@ describe('ReactJSXElementValidator', () => {\n     ).toWarnDev(\n       'getDefaultProps is only used on classic React.createClass definitions.' +\n         ' Use a static property named `defaultProps` instead.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -353,6 +357,7 @@ describe('ReactJSXElementValidator', () => {\n     ).toWarnDev(\n       'Warning: Component MisspelledPropTypesComponent declared `PropTypes` ' +\n         'instead of `propTypes`. Did you misspell the property assignment?',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -406,6 +411,8 @@ describe('ReactJSXElementValidator', () => {\n           <span key=\"b\">3<\/span>\n         <\/React.Fragment>,\n       ),\n-    ).toWarnDev('Encountered two children with the same key, `a`.');\n+    ).toWarnDev('Encountered two children with the same key, `a`.', {\n+      withoutStack: true,\n+    });\n   });\n });\ndiff --git a\/packages\/react\/src\/__tests__\/ReactPureComponent-test.js b\/packages\/react\/src\/__tests__\/ReactPureComponent-test.js\nindex 776f7a2cc1..607aa57808 100644\n--- a\/packages\/react\/src\/__tests__\/ReactPureComponent-test.js\n+++ b\/packages\/react\/src\/__tests__\/ReactPureComponent-test.js\n@@ -79,6 +79,7 @@ describe('ReactPureComponent', () => {\n         'Component has a method called shouldComponentUpdate(). ' +\n         'shouldComponentUpdate should not be used when extending React.PureComponent. ' +\n         'Please extend React.Component if shouldComponentUpdate is used.',\n+      {withoutStack: true},\n     );\n     ReactDOM.render(<Component \/>, container);\n     expect(renders).toBe(2);\n@@ -113,6 +114,7 @@ describe('ReactPureComponent', () => {\n         'PureComponent has a method called shouldComponentUpdate(). ' +\n         'shouldComponentUpdate should not be used when extending React.PureComponent. ' +\n         'Please extend React.Component if shouldComponentUpdate is used.',\n+      {withoutStack: true},\n     );\n   });\n });\ndiff --git a\/packages\/react\/src\/__tests__\/ReactTypeScriptClass-test.ts b\/packages\/react\/src\/__tests__\/ReactTypeScriptClass-test.ts\nindex 930b13c414..443259373f 100644\n--- a\/packages\/react\/src\/__tests__\/ReactTypeScriptClass-test.ts\n+++ b\/packages\/react\/src\/__tests__\/ReactTypeScriptClass-test.ts\n@@ -331,7 +331,7 @@ describe('ReactTypeScriptClass', function() {\n         'component instance: you may have forgotten to define `render`.',\n       'Warning: Empty(...): No `render` method found on the returned ' +\n         'component instance: you may have forgotten to define `render`.',\n-    ]);\n+    ], {withoutStack: true});\n   });\n \n   it('renders a simple stateless component with prop', function() {\n@@ -391,7 +391,8 @@ describe('ReactTypeScriptClass', function() {\n       ReactDOM.render(React.createElement(Foo, {foo: 'foo'}), container);\n     }).toWarnDev(\n       'Foo: getDerivedStateFromProps() is defined as an instance method ' +\n-        'and will be ignored. Instead, declare it as a static method.'\n+        'and will be ignored. Instead, declare it as a static method.',\n+        {withoutStack: true}\n     );\n   });\n \n@@ -408,7 +409,8 @@ describe('ReactTypeScriptClass', function() {\n       ReactDOM.render(React.createElement(Foo, {foo: 'foo'}), container);\n     }).toWarnDev(\n       'Foo: getDerivedStateFromCatch() is defined as an instance method ' +\n-        'and will be ignored. Instead, declare it as a static method.'\n+        'and will be ignored. Instead, declare it as a static method.',\n+        {withoutStack: true}\n     );\n   });\n \n@@ -424,7 +426,8 @@ describe('ReactTypeScriptClass', function() {\n       ReactDOM.render(React.createElement(Foo, {foo: 'foo'}), container);\n     }).toWarnDev(\n       'Foo: getSnapshotBeforeUpdate() is defined as a static method ' +\n-        'and will be ignored. Instead, declare it as an instance method.'\n+        'and will be ignored. Instead, declare it as an instance method.',\n+        {withoutStack: true}\n     );\n   });\n \n@@ -446,7 +449,8 @@ describe('ReactTypeScriptClass', function() {\n       ReactDOM.render(React.createElement(Foo, {foo: 'foo'}), container);\n     }).toWarnDev(\n       'Foo: Did not properly initialize state during construction. ' +\n-        'Expected state to be an object, but it was undefined.'\n+        'Expected state to be an object, but it was undefined.',\n+        {withoutStack: true}\n     );\n   });\n \n@@ -503,13 +507,16 @@ describe('ReactTypeScriptClass', function() {\n \n   it('should warn with non-object in the initial state property', function() {\n     expect(() => test(React.createElement(ArrayState), 'SPAN', '')).toWarnDev(\n-      'ArrayState.state: must be set to an object or null'\n+      'ArrayState.state: must be set to an object or null',\n+      {withoutStack: true}\n     );\n     expect(() => test(React.createElement(StringState), 'SPAN', '')).toWarnDev(\n-      'StringState.state: must be set to an object or null'\n+      'StringState.state: must be set to an object or null',\n+      {withoutStack: true}\n     );\n     expect(() => test(React.createElement(NumberState), 'SPAN', '')).toWarnDev(\n-      'NumberState.state: must be set to an object or null'\n+      'NumberState.state: must be set to an object or null',\n+      {withoutStack: true}\n     );\n   });\n \n@@ -585,7 +592,7 @@ describe('ReactTypeScriptClass', function() {\n           'a plain JavaScript class.',\n         'propTypes was defined as an instance property on ClassicProperties.',\n         'contextTypes was defined as an instance property on ClassicProperties.',\n-      ]);\n+      ], {withoutStack: true});\n       expect(getInitialStateWasCalled).toBe(false);\n       expect(getDefaultPropsWasCalled).toBe(false);\n     }\n@@ -616,7 +623,8 @@ describe('ReactTypeScriptClass', function() {\n       'Warning: ' +\n         'MisspelledComponent1 has a method called componentShouldUpdate(). Did ' +\n         'you mean shouldComponentUpdate()? The name is phrased as a question ' +\n-        'because the function is expected to return a value.'\n+        'because the function is expected to return a value.',\n+        {withoutStack: true}\n     );\n   });\n \n@@ -626,7 +634,8 @@ describe('ReactTypeScriptClass', function() {\n     ).toWarnDev(\n       'Warning: ' +\n         'MisspelledComponent2 has a method called componentWillRecieveProps(). ' +\n-        'Did you mean componentWillReceiveProps()?'\n+        'Did you mean componentWillReceiveProps()?',\n+        {withoutStack: true}\n     );\n   });\n \n@@ -636,7 +645,8 @@ describe('ReactTypeScriptClass', function() {\n     ).toWarnDev(\n       'Warning: ' +\n         'MisspelledComponent3 has a method called UNSAFE_componentWillRecieveProps(). ' +\n-        'Did you mean UNSAFE_componentWillReceiveProps()?'\n+        'Did you mean UNSAFE_componentWillReceiveProps()?',\n+        {withoutStack: true}\n     );\n   });\n \n@@ -649,12 +659,14 @@ describe('ReactTypeScriptClass', function() {\n     expect(() =>\n       expect(() => instance.replaceState({})).toThrow()\n     ).toLowPriorityWarnDev(\n-      'replaceState(...) is deprecated in plain JavaScript React classes'\n+      'replaceState(...) is deprecated in plain JavaScript React classes',\n+      {withoutStack: true}\n     );\n     expect(() =>\n       expect(() => instance.isMounted()).toThrow()\n     ).toLowPriorityWarnDev(\n-      'isMounted(...) is deprecated in plain JavaScript React classes'\n+      'isMounted(...) is deprecated in plain JavaScript React classes',\n+      {withoutStack: true}\n     );\n   });\n \ndiff --git a\/packages\/react\/src\/__tests__\/createReactClassIntegration-test.internal.js b\/packages\/react\/src\/__tests__\/createReactClassIntegration-test.internal.js\nindex d79a194996..f87a50e942 100644\n--- a\/packages\/react\/src\/__tests__\/createReactClassIntegration-test.internal.js\n+++ b\/packages\/react\/src\/__tests__\/createReactClassIntegration-test.internal.js\n@@ -91,6 +91,7 @@ describe('create-react-class-integration', () => {\n       'Warning: MyComponent: isMounted is deprecated. Instead, make sure to ' +\n         'clean up subscriptions and pending requests in componentWillUnmount ' +\n         'to prevent memory leaks.',\n+      {withoutStack: true},\n     );\n \n     \/\/ Dedupe\n@@ -149,6 +150,7 @@ describe('create-react-class-integration', () => {\n           'Use componentDidMount instead. As a temporary workaround, ' +\n           'you can rename to UNSAFE_componentWillMount.' +\n           '\\n\\nPlease update the following components: MyNativeComponent',\n+        {withoutStack: true},\n       );\n     });\n \n@@ -164,6 +166,7 @@ describe('create-react-class-integration', () => {\n         'componentWillReceiveProps is deprecated and will be removed in the next major version. ' +\n           'Use static getDerivedStateFromProps instead.' +\n           '\\n\\nPlease update the following components: MyNativeComponent',\n+        {withoutStack: true},\n       );\n     });\n   });\ndiff --git a\/packages\/react\/src\/__tests__\/createReactClassIntegration-test.js b\/packages\/react\/src\/__tests__\/createReactClassIntegration-test.js\nindex d0d2babaf3..255b7602cb 100644\n--- a\/packages\/react\/src\/__tests__\/createReactClassIntegration-test.js\n+++ b\/packages\/react\/src\/__tests__\/createReactClassIntegration-test.js\n@@ -66,6 +66,7 @@ describe('create-react-class-integration', () => {\n     ).toWarnDev(\n       'Warning: Component: prop type `prop` is invalid; ' +\n         'it must be a function, usually from React.PropTypes.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -83,6 +84,7 @@ describe('create-react-class-integration', () => {\n     ).toWarnDev(\n       'Warning: Component: context type `prop` is invalid; ' +\n         'it must be a function, usually from React.PropTypes.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -100,6 +102,7 @@ describe('create-react-class-integration', () => {\n     ).toWarnDev(\n       'Warning: Component: child context type `prop` is invalid; ' +\n         'it must be a function, usually from React.PropTypes.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -117,6 +120,7 @@ describe('create-react-class-integration', () => {\n       'Warning: A component has a method called componentShouldUpdate(). Did you ' +\n         'mean shouldComponentUpdate()? The name is phrased as a question ' +\n         'because the function is expected to return a value.',\n+      {withoutStack: true},\n     );\n \n     expect(() =>\n@@ -133,6 +137,7 @@ describe('create-react-class-integration', () => {\n       'Warning: NamedComponent has a method called componentShouldUpdate(). Did you ' +\n         'mean shouldComponentUpdate()? The name is phrased as a question ' +\n         'because the function is expected to return a value.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -149,6 +154,7 @@ describe('create-react-class-integration', () => {\n     ).toWarnDev(\n       'Warning: A component has a method called componentWillRecieveProps(). Did you ' +\n         'mean componentWillReceiveProps()?',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -165,6 +171,7 @@ describe('create-react-class-integration', () => {\n     ).toWarnDev(\n       'Warning: A component has a method called UNSAFE_componentWillRecieveProps(). ' +\n         'Did you mean UNSAFE_componentWillReceiveProps()?',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -357,6 +364,7 @@ describe('create-react-class-integration', () => {\n     expect(() => expect(() => Component()).toThrow()).toWarnDev(\n       'Warning: Something is calling a React component directly. Use a ' +\n         'factory or JSX instead. See: https:\/\/fb.me\/react-legacyfactory',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -447,6 +455,7 @@ describe('create-react-class-integration', () => {\n     ).toWarnDev(\n       'Component: getDerivedStateFromProps() is defined as an instance method ' +\n         'and will be ignored. Instead, declare it as a static method.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -464,6 +473,7 @@ describe('create-react-class-integration', () => {\n     ).toWarnDev(\n       'Component: getDerivedStateFromCatch() is defined as an instance method ' +\n         'and will be ignored. Instead, declare it as a static method.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -483,6 +493,7 @@ describe('create-react-class-integration', () => {\n     ).toWarnDev(\n       'Component: getSnapshotBeforeUpdate() is defined as a static method ' +\n         'and will be ignored. Instead, declare it as an instance method.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -499,7 +510,9 @@ describe('create-react-class-integration', () => {\n     });\n     expect(() =>\n       ReactDOM.render(<Component \/>, document.createElement('div')),\n-    ).toWarnDev('Did not properly initialize state during construction.');\n+    ).toWarnDev('Did not properly initialize state during construction.', {\n+      withoutStack: true,\n+    });\n   });\n \n   it('should not invoke deprecated lifecycles (cWM\/cWRP\/cWU) if new static gDSFP is present', () => {\n@@ -536,6 +549,7 @@ describe('create-react-class-integration', () => {\n         '  componentWillUpdate\\n\\n' +\n         'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n         'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+      {withoutStack: true},\n     );\n     ReactDOM.render(<Component foo={1} \/>, document.createElement('div'));\n   });\n@@ -570,6 +584,7 @@ describe('create-react-class-integration', () => {\n         '  componentWillUpdate\\n\\n' +\n         'The above lifecycles should be removed. Learn more about this warning here:\\n' +\n         'https:\/\/fb.me\/react-async-component-lifecycle-hooks',\n+      {withoutStack: true},\n     );\n     ReactDOM.render(<Component foo={1} \/>, document.createElement('div'));\n   });\ndiff --git a\/packages\/react\/src\/__tests__\/forwardRef-test.js b\/packages\/react\/src\/__tests__\/forwardRef-test.js\nindex b14408bd28..4693b9c44e 100644\n--- a\/packages\/react\/src\/__tests__\/forwardRef-test.js\n+++ b\/packages\/react\/src\/__tests__\/forwardRef-test.js\n@@ -120,18 +120,22 @@ describe('forwardRef', () => {\n   it('should warn if not provided a callback during creation', () => {\n     expect(() => React.forwardRef(undefined)).toWarnDev(\n       'forwardRef requires a render function but was given undefined.',\n+      {withoutStack: true},\n     );\n     expect(() => React.forwardRef(null)).toWarnDev(\n       'forwardRef requires a render function but was given null.',\n+      {withoutStack: true},\n     );\n     expect(() => React.forwardRef('foo')).toWarnDev(\n       'forwardRef requires a render function but was given string.',\n+      {withoutStack: true},\n     );\n   });\n \n   it('should warn if no render function is provided', () => {\n     expect(React.forwardRef).toWarnDev(\n       'forwardRef requires a render function but was given undefined.',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -149,10 +153,12 @@ describe('forwardRef', () => {\n     expect(() => React.forwardRef(renderWithPropTypes)).toWarnDev(\n       'forwardRef render functions do not support propTypes or defaultProps. ' +\n         'Did you accidentally pass a React component?',\n+      {withoutStack: true},\n     );\n     expect(() => React.forwardRef(renderWithDefaultProps)).toWarnDev(\n       'forwardRef render functions do not support propTypes or defaultProps. ' +\n         'Did you accidentally pass a React component?',\n+      {withoutStack: true},\n     );\n   });\n \n@@ -166,11 +172,13 @@ describe('forwardRef', () => {\n     expect(() => React.forwardRef(arityOfZero)).toWarnDev(\n       'forwardRef render functions accept two parameters: props and ref. ' +\n         'Did you forget to use the ref parameter?',\n+      {withoutStack: true},\n     );\n \n     expect(() => React.forwardRef(arityOfOne)).toWarnDev(\n       'forwardRef render functions accept two parameters: props and ref. ' +\n         'Did you forget to use the ref parameter?',\n+      {withoutStack: true},\n     );\n   });\n });\ndiff --git a\/packages\/shared\/__tests__\/ReactDOMFrameScheduling-test.js b\/packages\/shared\/__tests__\/ReactDOMFrameScheduling-test.js\nindex 68dfdbfa14..bc2308fbb9 100644\n--- a\/packages\/shared\/__tests__\/ReactDOMFrameScheduling-test.js\n+++ b\/packages\/shared\/__tests__\/ReactDOMFrameScheduling-test.js\n@@ -17,6 +17,7 @@ describe('ReactDOMFrameScheduling', () => {\n       jest.resetModules();\n       expect(() => require('react-dom')).toWarnDev(\n         \"This browser doesn't support requestAnimationFrame.\",\n+        {withoutStack: true},\n       );\n     } finally {\n       global.requestAnimationFrame = previousRAF;\ndiff --git a\/packages\/simple-cache-provider\/src\/__tests__\/SimpleCacheProvider-test.js b\/packages\/simple-cache-provider\/src\/__tests__\/SimpleCacheProvider-test.js\nindex 4d775e255c..8d60122f87 100644\n--- a\/packages\/simple-cache-provider\/src\/__tests__\/SimpleCacheProvider-test.js\n+++ b\/packages\/simple-cache-provider\/src\/__tests__\/SimpleCacheProvider-test.js\n@@ -149,14 +149,17 @@ describe('SimpleCacheProvider', () => {\n     }\n \n     if (__DEV__) {\n-      expect(fn).toWarnDev([\n-        'Invalid resourceType: Expected a symbol, object, or function, but ' +\n-          'instead received: foo. Strings and numbers are not permitted as ' +\n-          'resource types.',\n-        'Invalid resourceType: Expected a symbol, object, or function, but ' +\n-          'instead received: 123. Strings and numbers are not permitted as ' +\n-          'resource types.',\n-      ]);\n+      expect(fn).toWarnDev(\n+        [\n+          'Invalid resourceType: Expected a symbol, object, or function, but ' +\n+            'instead received: foo. Strings and numbers are not permitted as ' +\n+            'resource types.',\n+          'Invalid resourceType: Expected a symbol, object, or function, but ' +\n+            'instead received: 123. Strings and numbers are not permitted as ' +\n+            'resource types.',\n+        ],\n+        {withoutStack: true},\n+      );\n     } else {\n       fn();\n     }\n@@ -179,12 +182,15 @@ describe('SimpleCacheProvider', () => {\n     }\n \n     if (__DEV__) {\n-      expect(fn).toWarnDev([\n-        'preload: Invalid key type. Expected a string, number, symbol, or ' +\n-          'boolean, but instead received: 5,5\\n\\n' +\n-          'To use non-primitive values as keys, you must pass a hash ' +\n-          'function as the second argument to createResource().',\n-      ]);\n+      expect(fn).toWarnDev(\n+        [\n+          'preload: Invalid key type. Expected a string, number, symbol, or ' +\n+            'boolean, but instead received: 5,5\\n\\n' +\n+            'To use non-primitive values as keys, you must pass a hash ' +\n+            'function as the second argument to createResource().',\n+        ],\n+        {withoutStack: true},\n+      );\n     } else {\n       fn();\n     }\ndiff --git a\/scripts\/jest\/matchers\/__tests__\/toWarnDev-test.js b\/scripts\/jest\/matchers\/__tests__\/toWarnDev-test.js\nnew file mode 100644\nindex 0000000000..e0f6e07691\n--- \/dev\/null\n+++ b\/scripts\/jest\/matchers\/__tests__\/toWarnDev-test.js\n@@ -0,0 +1,137 @@\n+\/**\n+ * Copyright (c) 2013-present, Facebook, Inc.\n+ *\n+ * This source code is licensed under the MIT license found in the\n+ * LICENSE file in the root directory of this source tree.\n+ *\n+ * @emails react-core\n+ *\/\n+\n+'use strict';\n+\n+describe('toWarnDev', () => {\n+  it('does not fail if a warning contains a stack', () => {\n+    expect(() => {\n+      console.error('Hello\\n    in div');\n+    }).toWarnDev('Hello');\n+  });\n+\n+  it('does not fail if all warnings contain a stack', () => {\n+    expect(() => {\n+      console.error('Hello\\n    in div');\n+      console.error('Good day\\n    in div');\n+      console.error('Bye\\n    in div');\n+    }).toWarnDev(['Hello', 'Good day', 'Bye']);\n+  });\n+\n+  it('does not fail if warnings without stack explicitly opt out', () => {\n+    expect(() => {\n+      console.error('Hello');\n+    }).toWarnDev('Hello', {withoutStack: true});\n+    expect(() => {\n+      console.error('Hello');\n+      console.error('Good day');\n+      console.error('Bye');\n+    }).toWarnDev(['Hello', 'Good day', 'Bye'], {withoutStack: true});\n+  });\n+\n+  it('does not fail when expected stack-less warning number matches the actual one', () => {\n+    expect(() => {\n+      console.error('Hello\\n    in div');\n+      console.error('Good day');\n+      console.error('Bye\\n    in div');\n+    }).toWarnDev(['Hello', 'Good day', 'Bye'], {withoutStack: 1});\n+  });\n+\n+  it('fails if a warning does not contain a stack', () => {\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hello');\n+      }).toWarnDev('Hello');\n+    }).toThrow(\n+      'Received warning unexpectedly does not include a component stack'\n+    );\n+  });\n+\n+  it('fails if some warnings do not contain a stack', () => {\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hello\\n    in div');\n+        console.error('Good day\\n    in div');\n+        console.error('Bye');\n+      }).toWarnDev(['Hello', 'Good day', 'Bye']);\n+    }).toThrow(\n+      'Received warning unexpectedly does not include a component stack'\n+    );\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hello');\n+        console.error('Good day\\n    in div');\n+        console.error('Bye\\n    in div');\n+      }).toWarnDev(['Hello', 'Good day', 'Bye']);\n+    }).toThrow(\n+      'Received warning unexpectedly does not include a component stack'\n+    );\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hello\\n    in div');\n+        console.error('Good day');\n+        console.error('Bye\\n    in div');\n+      }).toWarnDev(['Hello', 'Good day', 'Bye']);\n+    }).toThrow(\n+      'Received warning unexpectedly does not include a component stack'\n+    );\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hello');\n+        console.error('Good day');\n+        console.error('Bye');\n+      }).toWarnDev(['Hello', 'Good day', 'Bye']);\n+    }).toThrow(\n+      'Received warning unexpectedly does not include a component stack'\n+    );\n+  });\n+\n+  it('fails if warning is expected to not have a stack, but does', () => {\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hello\\n    in div');\n+      }).toWarnDev('Hello', {withoutStack: true});\n+    }).toThrow('Received warning unexpectedly includes a component stack');\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hello\\n    in div');\n+        console.error('Good day');\n+        console.error('Bye\\n    in div');\n+      }).toWarnDev(['Hello', 'Good day', 'Bye'], {withoutStack: true});\n+    }).toThrow('Received warning unexpectedly includes a component stack');\n+  });\n+\n+  it('fails if expected stack-less warning number does not match the actual one', () => {\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hello\\n    in div');\n+        console.error('Good day');\n+        console.error('Bye\\n    in div');\n+      }).toWarnDev(['Hello', 'Good day', 'Bye'], {withoutStack: 4});\n+    }).toThrow('Expected 4 warnings without a component stack but received 1');\n+  });\n+\n+  it('fails if withoutStack is invalid', () => {\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hi');\n+      }).toWarnDev('Hi', {withoutStack: null});\n+    }).toThrow('Instead received object');\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hi');\n+      }).toWarnDev('Hi', {withoutStack: {}});\n+    }).toThrow('Instead received object');\n+    expect(() => {\n+      expect(() => {\n+        console.error('Hi');\n+      }).toWarnDev('Hi', {withoutStack: 'haha'});\n+    }).toThrow('Instead received string');\n+  });\n+});\ndiff --git a\/scripts\/jest\/matchers\/toWarnDev.js b\/scripts\/jest\/matchers\/toWarnDev.js\nindex c8e17d794c..aa262a626e 100644\n--- a\/scripts\/jest\/matchers\/toWarnDev.js\n+++ b\/scripts\/jest\/matchers\/toWarnDev.js\n@@ -7,7 +7,7 @@ function normalizeCodeLocInfo(str) {\n }\n \n const createMatcherFor = consoleMethod =>\n-  function matcher(callback, expectedMessages) {\n+  function matcher(callback, expectedMessages, options = {}) {\n     if (__DEV__) {\n       \/\/ Warn about incorrect usage of matcher.\n       if (typeof expectedMessages === 'string') {\n@@ -19,6 +19,9 @@ const createMatcherFor = consoleMethod =>\n         );\n       }\n \n+      const withoutStack = options.withoutStack;\n+      const warningsWithoutComponentStack = [];\n+      const warningsWithComponentStack = [];\n       const unexpectedWarnings = [];\n \n       \/\/ Catch errors thrown by the callback,\n@@ -36,6 +39,11 @@ const createMatcherFor = consoleMethod =>\n             normalizedMessage === expectedMessage ||\n             normalizedMessage.includes(expectedMessage)\n           ) {\n+            if (normalizedMessage.includes('\\n    in ')) {\n+              warningsWithComponentStack.push(normalizedMessage);\n+            } else {\n+              warningsWithoutComponentStack.push(normalizedMessage);\n+            }\n             expectedMessages.splice(index, 1);\n             return;\n           }\n@@ -103,6 +111,55 @@ const createMatcherFor = consoleMethod =>\n           };\n         }\n \n+        if (typeof withoutStack === 'number') {\n+          \/\/ We're expecting a particular number of warnings without stacks.\n+          if (withoutStack !== warningsWithoutComponentStack.length) {\n+            return {\n+              message: () =>\n+                `Expected ${withoutStack} warnings without a component stack but received ${\n+                  warningsWithoutComponentStack.length\n+                }:\\n` +\n+                warningsWithoutComponentStack.map(warning =>\n+                  this.utils.printReceived(warning)\n+                ),\n+              pass: false,\n+            };\n+          }\n+        } else if (withoutStack === true) {\n+          \/\/ We're expecting that all warnings won't have the stack.\n+          \/\/ If some warnings have it, it's an error.\n+          if (warningsWithComponentStack.length > 0) {\n+            return {\n+              message: () =>\n+                `Received warning unexpectedly includes a component stack:\\n  ${this.utils.printReceived(\n+                  warningsWithComponentStack[0]\n+                )}\\nIf this warning intentionally includes the component stack, remove ` +\n+                `{withoutStack: true} from the toWarnDev() call. If you have a mix of ` +\n+                `warnings with and without stack in one toWarnDev() call, pass ` +\n+                `{withoutStack: N} where N is the number of warnings without stacks.`,\n+              pass: false,\n+            };\n+          }\n+        } else if (withoutStack === false || withoutStack === undefined) {\n+          \/\/ We're expecting that all warnings *do* have the stack (default).\n+          \/\/ If some warnings don't have it, it's an error.\n+          if (warningsWithoutComponentStack.length > 0) {\n+            return {\n+              message: () =>\n+                `Received warning unexpectedly does not include a component stack:\\n  ${this.utils.printReceived(\n+                  warningsWithoutComponentStack[0]\n+                )}\\nIf this warning intentionally omits the component stack, add ` +\n+                `{withoutStack: true} to the toWarnDev() call.`,\n+              pass: false,\n+            };\n+          }\n+        } else {\n+          throw Error(\n+            `The second argument for toWarnDev(), when specified, must be an object. It may have a ` +\n+              `property called \"withoutStack\" whose value may be undefined, boolean, or a number. ` +\n+              `Instead received ${typeof withoutStack}.`\n+          );\n+        }\n         return {pass: true};\n       }\n     } else {\ndiff --git a\/scripts\/jest\/typescript\/jest.d.ts b\/scripts\/jest\/typescript\/jest.d.ts\nindex 2426374c4d..4bc4f8a84d 100644\n--- a\/scripts\/jest\/typescript\/jest.d.ts\n+++ b\/scripts\/jest\/typescript\/jest.d.ts\n@@ -21,8 +21,8 @@ interface Expect {\n   not: Expect\n   toThrow(message?: string): void\n   toThrowError(message?: string): void\n-  toWarnDev(message?: string | Array<string>): void\n-  toLowPriorityWarnDev(message?: string | Array<string>): void\n+  toWarnDev(message?: string | Array<string>, options?: any): void\n+  toLowPriorityWarnDev(message?: string | Array<string>, options?: any): void\n   toBe(value: any): void\n   toEqual(value: any): void\n   toBeFalsy(): void\n","files":[{"path":"packages\/create-subscription\/src\/__tests__\/createSubscription-test.internal.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.internal.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactComponentLifeCycle-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactCompositeComponent-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactCompositeComponentState-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOM-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMComponent-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMComponentTree-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMFiber-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMInput-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMRoot-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMSelect-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMServerIntegrationAttributes-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMServerIntegrationElements-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMServerLifecycles-test.internal.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMServerLifecycles-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactDOMTextarea-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactMount-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactMountDestruction-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactRenderDocument-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactServerRendering-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactServerRenderingHydration.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactStatelessComponent-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactTestUtils-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/ReactUpdates-test.js","status":"M"},{"path":"packages\/react-dom\/src\/__tests__\/validateDOMNesting-test.js","status":"M"},{"path":"packages\/react-dom\/src\/events\/__tests__\/SyntheticEvent-test.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactIncremental-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactIncrementalErrorHandling-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactIncrementalPerf-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactIncrementalReflection-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactIncrementalScheduling-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactIncrementalUpdates-test.internal.js","status":"M"},{"path":"packages\/react-reconciler\/src\/__tests__\/ReactNewContext-test.internal.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactChildren-test.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactCoffeeScriptClass-test.coffee","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactContextValidator-test.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactES6Class-test.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactElement-test.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactElementValidator-test.internal.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactJSXElementValidator-test.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactPureComponent-test.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/ReactTypeScriptClass-test.ts","status":"M"},{"path":"packages\/react\/src\/__tests__\/createReactClassIntegration-test.internal.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/createReactClassIntegration-test.js","status":"M"},{"path":"packages\/react\/src\/__tests__\/forwardRef-test.js","status":"M"},{"path":"packages\/shared\/__tests__\/ReactDOMFrameScheduling-test.js","status":"M"},{"path":"packages\/simple-cache-provider\/src\/__tests__\/SimpleCacheProvider-test.js","status":"M"},{"path":"scripts\/jest\/matchers\/__tests__\/toWarnDev-test.js","status":"A"},{"path":"scripts\/jest\/matchers\/toWarnDev.js","status":"M"},{"path":"scripts\/jest\/typescript\/jest.d.ts","status":"M"}]}</article></body></html>

dillon1000/react

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