[pytest-dev] Parametrized fixture fails when using unittest

[Florian Schulze]

Hi!

You didn't include the test_method, maybe you just forgot the 'self' as 
first parameter?

Regards,
Florian Schulze


On 10 Feb 2014, at 4:51, Nikolaus Rath wrote:

> Hello,
>
> I don't understand why the following test fixture works for the test
> function, but fails for the test method. Am I doing something wrong, 
> or
> is this a bug?
>
> $ cat t0_mine.py
> import pytest
> import unittest
>
> @pytest.yield_fixture(params=(0,1,2))
> def param1(request):
>  if request.param == 1:
>      pytest.skip('not so good')
>
>  yield request.param
>
> @pytest.fixture(params=('a','b'))
> def param2(request, param1):
>  return (param1, request.param)
>
> @pytest.fixture()
> def param1a(request, param1):
>  if param1 == 1:
>      return 0
>  else:
>      return 7
>
> def test_function(param2, param1a):
>  if param2[0] == 1:
>      assert param1a == 0
>  else:
>      assert param1a == 7
>
> @pytest.mark.usefixtures('param2', 'param1a')
>
> $ py.test-3 t0_mine.py -v
> ==================================== test session starts 
> ====================================
> platform linux -- Python 3.3.3 -- pytest-2.5.1 -- /usr/bin/python3
> collected 7 items
>
> t0_mine.py:25: test_function[a-0] PASSED
> t0_mine.py:25: test_function[a-1] SKIPPED
> t0_mine.py:25: test_function[a-2] PASSED
> t0_mine.py:25: test_function[b-0] PASSED
> t0_mine.py:25: test_function[b-1] SKIPPED
> t0_mine.py:25: test_function[b-2] PASSED
> t0_mine.py:33: TestClass.test_method ERROR
>
> ========================================== ERRORS 
> ===========================================
> __________________________ ERROR at setup of TestClass.test_method 
> __________________________
>
> request = <SubRequest 'param1' for <TestCaseFunction 'test_method'>>
>
>  @pytest.yield_fixture(params=(0,1,2))
>  def param1(request):
>>    if request.param == 1:
> E       AttributeError: 'SubRequest' object has no attribute 'param'
>
> t0_mine.py:9: AttributeError
> ======================= 4 passed, 2 skipped, 1 error in 0.02 seconds 
> ========================
>
>
>
> Best,
> Nikolaus
>
>
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