A repository test against a mocked connection asserts that the code calls the methods you expected, which is a restatement of the code rather than a check on…
3.7 shipped optional chaining in November and the objection got smaller. allowJs, checkJs and a per-file opt-in — and strictNullChecks, which is the flag that pays.
The @expectedException annotation asserts the exception happened somewhere in the method, which passes when it is thrown by the arrangement rather than by the thing under test. Placing…
A hook cannot be called outside a component, so testing one used to mean building a throwaway component and asserting on what it rendered — which tests the…
Total coverage moves so slowly that it says nothing about the change in front of you, and the question a reviewer actually has is whether the new code…
A hook cannot be called outside a component, so testing one used to mean building a throwaway component and asserting on what it rendered. act is what flushes…