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ReactIs.isValidElementType Unit Test extended with PureComponent case (#20033)

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Co-authored-by: Adam Plocieniak <adam.plocieniak@allegro.pl>
This commit is contained in:
adasq
2020-10-15 14:48:28 +02:00
committed by GitHub
parent 02da938fd5
commit c57fe4a2c1
1 changed files with 8 additions and 0 deletions
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8
packages/react-is/src/__tests__/ReactIs-test.js vendored
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@@ -29,6 +29,8 @@ describe('ReactIs', () => {
expect(ReactIs.typeOf({})).toBe(undefined);
expect(ReactIs.typeOf(null)).toBe(undefined);
expect(ReactIs.typeOf(undefined)).toBe(undefined);
expect(ReactIs.typeOf(NaN)).toBe(undefined);
expect(ReactIs.typeOf(Symbol('def'))).toBe(undefined);
});
it('identifies valid element types', () => {
@@ -37,6 +39,11 @@ describe('ReactIs', () => {
return React.createElement('div');
}
}
class PureComponent extends React.PureComponent {
render() {
return React.createElement('div');
}
}
const FunctionComponent = () => React.createElement('div');
const ForwardRefComponent = React.forwardRef((props, ref) =>
@@ -48,6 +55,7 @@ describe('ReactIs', () => {
expect(ReactIs.isValidElementType('div')).toEqual(true);
expect(ReactIs.isValidElementType(Component)).toEqual(true);
expect(ReactIs.isValidElementType(PureComponent)).toEqual(true);
expect(ReactIs.isValidElementType(FunctionComponent)).toEqual(true);
expect(ReactIs.isValidElementType(ForwardRefComponent)).toEqual(true);
expect(ReactIs.isValidElementType(LazyComponent)).toEqual(true);