Test that ReactErrorUtils module can be shimmed
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@ -1695,6 +1695,7 @@ src/renderers/shared/utils/__tests__/ReactErrorUtils-test.js
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* should return null if no error is thrown (development)
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* can nest with same debug name (development)
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* does not return nested errors (development)
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* can be shimmed (development)
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* it should rethrow errors caught by invokeGuardedCallbackAndCatchFirstError (production)
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* should call the callback the passed arguments (production)
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* should call the callback with the provided context (production)
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@ -1702,6 +1703,7 @@ src/renderers/shared/utils/__tests__/ReactErrorUtils-test.js
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* should return null if no error is thrown (production)
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* can nest with same debug name (production)
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* does not return nested errors (production)
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* can be shimmed (production)
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src/renderers/shared/utils/__tests__/accumulateInto-test.js
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* throws if the second item is null
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@ -106,5 +106,30 @@ describe('ReactErrorUtils', () => {
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expect(err3).toBe(null); // Returns null because inner error was already captured
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expect(err2).toBe(err1);
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});
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it(`can be shimmed (${environment})`, () => {
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const ops = [];
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// Override the original invokeGuardedCallback
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ReactErrorUtils.invokeGuardedCallback = function(name, func, context, a) {
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ops.push(a);
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try {
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func.call(context, a);
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} catch (error) {
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return error;
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}
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return null;
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};
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var err = new Error('foo');
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var callback = function() {
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throw err;
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};
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ReactErrorUtils.invokeGuardedCallbackAndCatchFirstError('foo', callback, null, 'somearg');
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expect(() => ReactErrorUtils.rethrowCaughtError()).toThrow(err);
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// invokeGuardedCallbackAndCatchFirstError and rethrowCaughtError close
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// over ReactErrorUtils.invokeGuardedCallback so should use the
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// shimmed version.
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expect(ops).toEqual(['somearg']);
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});
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}
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});
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