Commits on Jun 18, 2020

1. "check" convenience shortcut for subtests fixture …

   - Support nested `subtests.test()` contexts similar to
     `unittest.TestCase.subTest()` chaining of argument sets.
   - Make `subtests` instance a re-entrable context manager
     similar to `subtests.test()`.
   - Make `subtests` instance a callable that sets context (scope)
     for further subtests or for nested scopes only if return
     value is used as a context manager.
   - Add `check` concise alias for the `subtests` fixture.
   
   Essentially, the goal is to adapt `pytest-subtests` for checking
   of multiple aspects of compound objects, e.g. a class fields, withing a
   single unit test and to get report with all failures at once instead of
   the first error only.
   
       from datetime import datetime
   
       def test_fields(check):
           dt = datetime.utcfromtimestamp(1234567890)
           with check: assert dt.year == 2009, "Year is OK"
           with check: assert dt.month == 1
           with check: assert dt.day == 13, "Day is OK"
           with check: assert dt.hour == 27
   
   Use with `--tb=short` option.
   
   The bright idea of context manager shortcut belongs to @ionelmc:
   okken/pytest-check#9

   

   maxnikulin committed Jun 18, 2020
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