typescript
Record<string, T> hid a missing key as defined
Record<string, T> types every key as present, so a typo compiled and getChain returned undefined. Thirteen tests failed from one missing key.
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6 entries tagged “testing”.
vitest
Vitest: vi.mocked(...).mockResolvedValue is not a function
Vitest 3 test fails with vi.mocked(...).mockResolvedValue is not a function after restoreAllMocks. Here's how to fix it in one line.
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Vitest 4 tests pass locally but fail in CI
Bumping Vitest from 3 to 4 turned my git-proxy CI red while local stayed green. Stale node_modules, broken class mocks, and port clashes. Here's how I fixed each.
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A Vitest toThrow test that misses a JSON.parse error
A Vitest test using expect().toThrow() let a JSON.parse SyntaxError escape and fail the run instead of catching it. Here's why, and the fix.
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Migrating GitProxy's tests from Mocha and Chai to Vitest
How to fix all the ESM mocking errors when moving GitProxy's test suite from Mocha, Chai, Sinon and proxyquire to Vitest + TypeScript
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From proxyquire to Vitest: fixing "undefined" is not valid JSON
A git-proxy test failed with 'undefined' is not valid JSON after moving from proxyquire to Vitest. Let's look at the cause and how to fix.
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