Update test assertions

Author: sebmarkbage

packages/react-dom/src/__tests__/CSSPropertyOperations-test.js

@@ -108,7 +108,7 @@ describe('CSSPropertyOperations', () => {
         root.render(<Comp />);
       });
     }).toErrorDev(
-      'Warning: Unsupported style property background-color. Did you mean backgroundColor?' +
+      'Unsupported style property background-color. Did you mean backgroundColor?' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
     );
@@ -137,10 +137,10 @@ describe('CSSPropertyOperations', () => {
         root.render(<Comp style={styles} />);
       });
     }).toErrorDev([
-      'Warning: Unsupported style property -ms-transform. Did you mean msTransform?' +
+      'Unsupported style property -ms-transform. Did you mean msTransform?' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
-      'Warning: Unsupported style property -webkit-transform. Did you mean WebkitTransform?' +
+      'Unsupported style property -webkit-transform. Did you mean WebkitTransform?' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
     ]);
@@ -171,11 +171,11 @@ describe('CSSPropertyOperations', () => {
       });
     }).toErrorDev([
       // msTransform is correct already and shouldn't warn
-      'Warning: Unsupported vendor-prefixed style property oTransform. ' +
+      'Unsupported vendor-prefixed style property oTransform. ' +
         'Did you mean OTransform?' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
-      'Warning: Unsupported vendor-prefixed style property webkitTransform. ' +
+      'Unsupported vendor-prefixed style property webkitTransform. ' +
         'Did you mean WebkitTransform?' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
@@ -207,11 +207,11 @@ describe('CSSPropertyOperations', () => {
         root.render(<Comp />);
       });
     }).toErrorDev([
-      "Warning: Style property values shouldn't contain a semicolon. " +
+      "Style property values shouldn't contain a semicolon. " +
         'Try "backgroundColor: blue" instead.' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
-      "Warning: Style property values shouldn't contain a semicolon. " +
+      "Style property values shouldn't contain a semicolon. " +
         'Try "color: red" instead.' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
@@ -234,7 +234,7 @@ describe('CSSPropertyOperations', () => {
         root.render(<Comp />);
       });
     }).toErrorDev(
-      'Warning: `NaN` is an invalid value for the `fontSize` css style property.' +
+      '`NaN` is an invalid value for the `fontSize` css style property.' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
     );
@@ -270,7 +270,7 @@ describe('CSSPropertyOperations', () => {
         root.render(<Comp />);
       });
     }).toErrorDev(
-      'Warning: `Infinity` is an invalid value for the `fontSize` css style property.' +
+      '`Infinity` is an invalid value for the `fontSize` css style property.' +
         '\n    in div (at **)' +
         '\n    in Comp (at **)',
     );

packages/react-dom/src/__tests__/ReactComponent-test.js

@@ -217,7 +217,7 @@ describe('ReactComponent', () => {
         root.render(<Component />);
       });
     }).toErrorDev([
-      'Warning: Component "Component" contains the string ref "inner". ' +
+      'Component "Component" contains the string ref "inner". ' +
         'Support for string refs will be removed in a future major release. ' +
         'We recommend using useRef() or createRef() instead. ' +
         'Learn more about using refs safely here: https://react.dev/link/strict-mode-string-ref\n' +
@@ -711,7 +711,7 @@ describe('ReactComponent', () => {
           root.render(<Foo />);
         });
       }).toErrorDev(
-        'Warning: Functions are not valid as a React child. This may happen if ' +
+        'Functions are not valid as a React child. This may happen if ' +
           'you return Foo instead of <Foo /> from render. ' +
           'Or maybe you meant to call this function rather than return it.\n' +
           '  <Foo>{Foo}</Foo>\n' +
@@ -733,7 +733,7 @@ describe('ReactComponent', () => {
           root.render(<Foo />);
         });
       }).toErrorDev(
-        'Warning: Functions are not valid as a React child. This may happen if ' +
+        'Functions are not valid as a React child. This may happen if ' +
           'you return Foo instead of <Foo /> from render. ' +
           'Or maybe you meant to call this function rather than return it.\n' +
           '  <Foo>{Foo}</Foo>\n' +
@@ -756,7 +756,7 @@ describe('ReactComponent', () => {
           root.render(<Foo />);
         });
       }).toErrorDev(
-        'Warning: Functions are not valid as a React child. This may happen if ' +
+        'Functions are not valid as a React child. This may happen if ' +
           'you return Foo instead of <Foo /> from render. ' +
           'Or maybe you meant to call this function rather than return it.\n' +
           '  <span>{Foo}</span>\n' +
@@ -811,13 +811,13 @@ describe('ReactComponent', () => {
           root.render(<Foo ref={current => (component = current)} />);
         });
       }).toErrorDev([
-        'Warning: Functions are not valid as a React child. This may happen if ' +
+        'Functions are not valid as a React child. This may happen if ' +
           'you return Foo instead of <Foo /> from render. ' +
           'Or maybe you meant to call this function rather than return it.\n' +
           '  <div>{Foo}</div>\n' +
           '    in div (at **)\n' +
           '    in Foo (at **)',
-        'Warning: Functions are not valid as a React child. This may happen if ' +
+        'Functions are not valid as a React child. This may happen if ' +
           'you return Foo instead of <Foo /> from render. ' +
           'Or maybe you meant to call this function rather than return it.\n' +
           '  <span>{Foo}</span>\n' +

packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js

@@ -271,7 +271,7 @@ describe('ReactComponentLifeCycle', () => {
         root.render(<StatefulComponent />);
       });
     }).toErrorDev(
-      "Warning: Can't call setState on a component that is not yet mounted. " +
+      "Can't call setState on a component that is not yet mounted. " +
         'This is a no-op, but it might indicate a bug in your application. ' +
         'Instead, assign to `this.state` directly or define a `state = {};` ' +
         'class property with the desired state in the StatefulComponent component.',
@@ -1504,20 +1504,20 @@ describe('ReactComponentLifeCycle', () => {
     }).toWarnDev(
       [
         /* eslint-disable max-len */
-        `Warning: componentWillMount has been renamed, and is not recommended for use. See https://react.dev/link/unsafe-component-lifecycles for details.
+        `componentWillMount has been renamed, and is not recommended for use. See https://react.dev/link/unsafe-component-lifecycles for details.
 
 * Move code with side effects to componentDidMount, and set initial state in the constructor.
 * Rename componentWillMount to UNSAFE_componentWillMount to suppress this warning in non-strict mode. In React 18.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.
 
 Please update the following components: MyComponent`,
-        `Warning: componentWillReceiveProps has been renamed, and is not recommended for use. See https://react.dev/link/unsafe-component-lifecycles for details.
+        `componentWillReceiveProps has been renamed, and is not recommended for use. See https://react.dev/link/unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 * If you're updating state whenever props change, refactor your code to use memoization techniques or move it to static getDerivedStateFromProps. Learn more at: https://react.dev/link/derived-state
 * Rename componentWillReceiveProps to UNSAFE_componentWillReceiveProps to suppress this warning in non-strict mode. In React 18.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.
 
 Please update the following components: MyComponent`,
-        `Warning: componentWillUpdate has been renamed, and is not recommended for use. See https://react.dev/link/unsafe-component-lifecycles for details.
+        `componentWillUpdate has been renamed, and is not recommended for use. See https://react.dev/link/unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 * Rename componentWillUpdate to UNSAFE_componentWillUpdate to suppress this warning in non-strict mode. In React 18.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.

packages/react-dom/src/__tests__/ReactCompositeComponent-test.js

@@ -313,7 +313,7 @@ describe('ReactCompositeComponent', () => {
         root.render(<MyComponent />);
       });
     }).toErrorDev(
-      "Warning: Can't call forceUpdate on a component that is not yet mounted. " +
+      "Can't call forceUpdate on a component that is not yet mounted. " +
         'This is a no-op, but it might indicate a bug in your application. ' +
         'Instead, assign to `this.state` directly or define a `state = {};` ' +
         'class property with the desired state in the MyComponent component.',
@@ -347,7 +347,7 @@ describe('ReactCompositeComponent', () => {
         root.render(<MyComponent />);
       });
     }).toErrorDev(
-      "Warning: Can't call setState on a component that is not yet mounted. " +
+      "Can't call setState on a component that is not yet mounted. " +
         'This is a no-op, but it might indicate a bug in your application. ' +
         'Instead, assign to `this.state` directly or define a `state = {};` ' +
         'class property with the desired state in the MyComponent component.',
@@ -484,7 +484,7 @@ describe('ReactCompositeComponent', () => {
         });
       }).rejects.toThrow(TypeError);
     }).toErrorDev(
-      'Warning: The <ClassWithRenderNotExtended /> component appears to have a render method, ' +
+      'The <ClassWithRenderNotExtended /> component appears to have a render method, ' +
         "but doesn't extend React.Component. This is likely to cause errors. " +
         'Change ClassWithRenderNotExtended to extend React.Component instead.',
     );
@@ -631,7 +631,7 @@ describe('ReactCompositeComponent', () => {
         instance.setState({bogus: true});
       });
     }).toErrorDev(
-      'Warning: ClassComponent.shouldComponentUpdate(): Returned undefined instead of a ' +
+      'ClassComponent.shouldComponentUpdate(): Returned undefined instead of a ' +
         'boolean value. Make sure to return true or false.',
     );
   });
@@ -651,7 +651,7 @@ describe('ReactCompositeComponent', () => {
         root.render(<Component />);
       });
     }).toErrorDev(
-      'Warning: Component has a method called ' +
+      'Component has a method called ' +
         'componentDidUnmount(). But there is no such lifecycle method. ' +
         'Did you mean componentWillUnmount()?',
     );
@@ -673,7 +673,7 @@ describe('ReactCompositeComponent', () => {
         root.render(<Component />);
       });
     }).toErrorDev(
-      'Warning: Component has a method called ' +
+      'Component has a method called ' +
         'componentDidReceiveProps(). But there is no such lifecycle method. ' +
         'If you meant to update the state in response to changing props, ' +
         'use componentWillReceiveProps(). If you meant to fetch data or ' +
@@ -699,7 +699,7 @@ describe('ReactCompositeComponent', () => {
         root.render(<Component />);
       });
     }).toErrorDev(
-      'Warning: Setting defaultProps as an instance property on Component is not supported ' +
+      'Setting defaultProps as an instance property on Component is not supported ' +
         'and will be ignored. Instead, define defaultProps as a static property on Component.',
     );
   });
@@ -1199,9 +1199,9 @@ describe('ReactCompositeComponent', () => {
         });
       }).rejects.toThrow();
     }).toErrorDev([
-      'Warning: No `render` method found on the RenderTextInvalidConstructor instance: ' +
+      'No `render` method found on the RenderTextInvalidConstructor instance: ' +
         'did you accidentally return an object from the constructor?',
-      'Warning: No `render` method found on the RenderTextInvalidConstructor instance: ' +
+      'No `render` method found on the RenderTextInvalidConstructor instance: ' +
         'did you accidentally return an object from the constructor?',
     ]);
   });
@@ -1239,9 +1239,9 @@ describe('ReactCompositeComponent', () => {
         });
       }).rejects.toThrow();
     }).toErrorDev([
-      'Warning: No `render` method found on the RenderTestUndefinedRender instance: ' +
+      'No `render` method found on the RenderTestUndefinedRender instance: ' +
         'you may have forgotten to define `render`.',
-      'Warning: No `render` method found on the RenderTestUndefinedRender instance: ' +
+      'No `render` method found on the RenderTestUndefinedRender instance: ' +
         'you may have forgotten to define `render`.',
     ]);
   });

packages/react-dom/src/__tests__/ReactCompositeComponentState-test.js

@@ -474,7 +474,7 @@ describe('ReactCompositeComponent-state', () => {
         root.render(<Test />);
       });
     }).toErrorDev(
-      'Warning: Test.componentWillReceiveProps(): Assigning directly to ' +
+      'Test.componentWillReceiveProps(): Assigning directly to ' +
         "this.state is deprecated (except inside a component's constructor). " +
         'Use setState instead.',
     );
@@ -523,7 +523,7 @@ describe('ReactCompositeComponent-state', () => {
         root.render(<Test />);
       });
     }).toErrorDev(
-      'Warning: Test.componentWillMount(): Assigning directly to ' +
+      'Test.componentWillMount(): Assigning directly to ' +
         "this.state is deprecated (except inside a component's constructor). " +
         'Use setState instead.',
     );
@@ -571,7 +571,7 @@ describe('ReactCompositeComponent-state', () => {
         root.render(<B />);
       });
     }).toErrorDev(
-      "Warning: Can't perform a React state update on a component that hasn't mounted yet",
+      "Can't perform a React state update on a component that hasn't mounted yet",
     );
   });
 

packages/react-dom/src/__tests__/ReactDOM-test.js

@@ -198,8 +198,8 @@ describe('ReactDOM', () => {
       );
     }).toErrorDev(
       [
-        'Warning: Expected the last optional `callback` argument to be a function. Instead received: no.',
-        'Warning: Expected the last optional `callback` argument to be a function. Instead received: no.',
+        'Expected the last optional `callback` argument to be a function. Instead received: no.',
+        'Expected the last optional `callback` argument to be a function. Instead received: no.',
       ],
       {withoutStack: 2},
     );

packages/react-dom/src/__tests__/ReactDOMAttribute-test.js

@@ -110,7 +110,7 @@ describe('ReactDOM unknown attribute', () => {
           root.render(<div inert="" />);
         });
       }).toErrorDev([
-        'Warning: Received an empty string for a boolean attribute `inert`. ' +
+        'Received an empty string for a boolean attribute `inert`. ' +
           'This will treat the attribute as if it were false. ' +
           'Either pass `false` to silence this warning, or ' +
           'pass `true` if you used an empty string in earlier versions of React to indicate this attribute is true.',
@@ -137,7 +137,7 @@ describe('ReactDOM unknown attribute', () => {
 
     it('coerces NaN to strings and warns', async () => {
       await expect(() => testUnknownAttributeAssignment(NaN, 'NaN')).toErrorDev(
-        'Warning: Received NaN for the `unknown` attribute. ' +
+        'Received NaN for the `unknown` attribute. ' +
           'If this is expected, cast the value to a string.\n' +
           '    in div (at **)',
       );
@@ -170,14 +170,14 @@ describe('ReactDOM unknown attribute', () => {
       await expect(() =>
         expect(test).rejects.toThrowError(new TypeError('prod message')),
       ).toErrorDev(
-        'Warning: The provided `unknown` attribute is an unsupported type TemporalLike.' +
+        'The provided `unknown` attribute is an unsupported type TemporalLike.' +
           ' This value must be coerced to a string before using it here.',
       );
     });
 
     it('removes symbols and warns', async () => {
       await expect(() => testUnknownAttributeRemoval(Symbol('foo'))).toErrorDev(
-        'Warning: Invalid value for prop `unknown` on <div> tag. Either remove it ' +
+        'Invalid value for prop `unknown` on <div> tag. Either remove it ' +
           'from the element, or pass a string or number value to keep it ' +
           'in the DOM. For details, see https://react.dev/link/attribute-behavior \n' +
           '    in div (at **)',
@@ -188,7 +188,7 @@ describe('ReactDOM unknown attribute', () => {
       await expect(() =>
         testUnknownAttributeRemoval(function someFunction() {}),
       ).toErrorDev(
-        'Warning: Invalid value for prop `unknown` on <div> tag. Either remove ' +
+        'Invalid value for prop `unknown` on <div> tag. Either remove ' +
           'it from the element, or pass a string or number value to ' +
           'keep it in the DOM. For details, see ' +
           'https://react.dev/link/attribute-behavior \n' +