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Test-Driven Python Development by Siddharta Govindaraj

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Organizing tests

The first step in easing test maintenance is to have a systematic way of organizing tests. When we are implementing a new feature, we need to be able to quickly and easily locate the existing test code for a given method or class. There are three steps to making this easy. We have to decide:

  • Where the files are stored on the filesystem
  • What the files are called
  • The names of the test classes

Filesystem layout

The main consideration in deciding where to place our test code is the ease with which we can locate the tests for a specific class or module. Apart from this, there are two other considerations to keep in mind:

  • How will this module be packaged and distributed?
  • How will this code be put into production?

For the first consideration, ...

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