July 2024
Intermediate to advanced
360 pages
9h 45m
English
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8 Integration testing
This chapter covers
- Understanding integration tests
- Simulating SQL databases
- Faking HTTP calls
- Using
WebApplicationFactoryfor API testing
Unit testing tests individual units in isolation. Dependencies between units are abstracted, usually by interface. The interfaces create a contract to which both the dependent and the dependency adhere, but code rarely has no side effects. Even in previous chapters, we’ve seen side effects from using streams. A stream’s position and whether it’s open, closed, or disposed can be changed by any code that touches it. Changes to a database while your code is running may cause an insert to fail or an update to be overwritten. Unit testing isn’t enough. We also need to test how units work ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.