[TIP] get fixtures for each parameter or global variables?

Ben Finney ben+python at benfinney.id.au
Sat Oct 22 09:54:39 PDT 2016

James <bjlockie at lockie.ca> writes:

> On 2016-10-21 08:17 PM, Ben Finney wrote:
> I'm trying to gain ease of use since all my tests will need the same
> variables that contain the command line options.

That's what inheritance is for:

* Define a class which inherits from unittest.TestCase. Have one of its
  methods (probably ‘setUp’) do the common processing you want for every
  test case instance.

* Define your test case classes to inherit from the above class.

    class unittest.TestCase(object)
      class foo.Foo_BaseTestCase(unittest.TestCase)
        class foo.LoremIpsum_TestCase(foo.Foo_BaseTestCase)
        class foo.DolorSitAmet_TestCase(foo.Foo_BaseTestCase)

That way, the special set-up you speak of will be defined in one place;
any other class that needs it simply refers (by inheritance) to that
same place and doesn't need to define it again.

 \             “We can't depend for the long run on distinguishing one |
  `\         bitstream from another in order to figure out which rules |
_o__)               apply.” —Eben Moglen, _Anarchism Triumphant_, 1999 |
Ben Finney

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