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Tests Are About Design
- tapan_k 10y agoI find it much more helpful to think in terms of why and what we will test rather than how much will we test. This approach resolves a few of the frequently debated issues around testing, such as: 1. Should I test first, or test later? 2. What is the right amount of code coverage? 3. Should I write more unit tests or integration tests? 4. Should I use mocks or not? and so on... The above questions can have an arbitrary answer that makes sense in a certain context but may not yield the best cost / benefit ratio in other contexts. Hence, the guiding star needs to be: why are we writing a test.