Topic
Quick answer: Dynamic response templating is powerful precisely because it can echo parts of the request back into the response, which makes it easy to overfit tests to clever stub
Read articleQuick answer: GraphQL goes over a single endpoint, so mocking it as a handful of hand-wired REST-style routes misses the point: a client selects different fields and operations on the
Read articleQuick answer: Mocking a Server-Sent Events endpoint is not the same as returning a list. The value under test is the stream over time: the framing of each event, the
Read articleQuick answer: A mock that always returns 200 with a full body never exercises the conditional-request path, so a client bug in If-None-Match or ETag handling stays hidden until production.
Read articleQuick answer: Stateful mock servers are shared infrastructure, and if one test leaves stubs, counters, or scenario state behind, the next test starts from an unknown condition and fails for
Read articleQuick answer: Local and CI tests should never depend on a live third-party SaaS, because its availability, rate limits, and data are outside your control and a flaky vendor turns
Read articleQuick answer: Most teams mock the 200 and then trust their client's auth handling, yet the auth failures are the responses that actually protect an API and exercise
Read articleQuick answer: Mocking JSON endpoints is straightforward, but mocking file downloads exposes a different set of assumptions: the response is a binary stream, the headers carry as much of the
Read articleQuick answer: Pagination is where mock-based tests quietly get flaky, because most real endpoints don't return a fixed set of rows, and a mock that hands back the
Read articleQuick answer: Mock mappings accumulate like any other code, and over time a test suite builds up dead stubs, mappings no test actually exercises. They look harmless but increase maintenance,
Read articleQuick answer: You do not need to mock an entire API to test the one behavior that matters. A partial mock intercepts only the routes under test and forwards everything
Read articleQuick answer: Outbound webhooks invert the usual testing problem: your system is the caller, and you need a receiver that accepts signed payloads, verifies the signature, and behaves like a
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