Convert enzyme tests to React Testing Library with help from Claude Code#1974
Convert enzyme tests to React Testing Library with help from Claude Code#1974
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labkey-alan
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labkey-alan
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Overall the conversions look correct, however, in many cases I've found that Claude replaced await waitForLifeCycle() with await act(async () => {});, and I think we should probably be waiting for something specific in order to prevent flaky tests from being an issue. In at least one test suite I was able to drop the await act entirely with no problem.
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| expect(document.querySelector('.fa-spinner')).not.toBeNull(); | ||
| await act(async () => {}); |
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There are 4 lines that look like this, I believe all are meant to replace calls to waitForLifecycle, they should be replaced with something more specific.
| data: fromJS({ value: '2022-02-12 11:58:54.385', formattedValue: '2022-02-12' }), | ||
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| describe('ExpirationDateColumnRenderer', () => { |
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This test emits an error Warning: validateDOMNesting(...): <td> cannot appear as a child of <div>, but does not fail. I think we should consider cleaning up the error in order to reduce test noise. I think in order to clean up the error you'll need to create a wrapper in the test for all cases except not tablecell. Something that looks like:
const TestWrapper = props => (
<table>
<tbody>
<tr>
<ExpirationDateColumnRenderer {...props} />
</tr>
</tbody>
</table>
);
| <UserLink userDisplayValue="Test display" />, | ||
| { serverContext: { user: TEST_USER_APP_ADMIN } } | ||
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| await act(async () => {}); |
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The test contains six different lines that look like this, but if you delete them, and remove the act import, the test still passes.
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| await act(async () => {}); |
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There are several of these lines in this test suite. I think the test should probably be waiting for something specific or we're likely to have flaky tests.
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Rationale
Major step towards finishing our conversion of our enzyme jest tests to RTL jest tests, using Claude Code for the conversion.
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