fixture 之 本身自带固定参数

import pytest
source:https://github.com/pytest-dev/pytest/blob/master/doc/en/fixture.rst

@pytest.fixture(params=[0, 1, pytest.param(2, marks=pytest.mark.skip)])
def data_set(request):
    print(request)
    print(request.param)
    return request.param


def test_data(data_set):
    pass
    

@pytest.fixture(scope="module", params=["mod1", "mod2"])
def modarg(request):
    param = request.param
    print("  SETUP modarg", param)
    yield param
    print("  TEARDOWN modarg", param)


@pytest.fixture(scope="function", params=[1, 2])
def otherarg(request):
    param = request.param
    print("  SETUP otherarg", param)
    yield param
    print("  TEARDOWN otherarg", param)


def test_0(otherarg):
    print("  RUN test0 with otherarg", otherarg)


def test_1(modarg):
    print("  RUN test1 with modarg", modarg)


def test_2(otherarg, modarg):
    print("  RUN test2 with otherarg {} and modarg {}".format(otherarg, modarg))
    
if __name__ == '__main__':
    print('start')
    pytest.main(["-s", "-v", "testfixture.py"])
    print('end')

执行结果:

testfixture.py::test_data[0] <SubRequest 'data_set' for <Function test_data[0]>>
0
PASSED
testfixture.py::test_data[1] <SubRequest 'data_set' for <Function test_data[1]>>
1
PASSED
testfixture.py::test_data[2] SKIPPED
testfixture.py::test_0[1]   SETUP otherarg 1
  RUN test0 with otherarg 1
PASSED  TEARDOWN otherarg 1

testfixture.py::test_0[2]   SETUP otherarg 2
  RUN test0 with otherarg 2
PASSED  TEARDOWN otherarg 2

testfixture.py::test_1[mod1]   SETUP modarg mod1
  RUN test1 with modarg mod1
PASSED
testfixture.py::test_2[mod1-1]   SETUP otherarg 1
  RUN test2 with otherarg 1 and modarg mod1
PASSED  TEARDOWN otherarg 1

testfixture.py::test_2[mod1-2]   SETUP otherarg 2
  RUN test2 with otherarg 2 and modarg mod1
PASSED  TEARDOWN otherarg 2

testfixture.py::test_1[mod2]   TEARDOWN modarg mod1
  SETUP modarg mod2
  RUN test1 with modarg mod2
PASSED
testfixture.py::test_2[mod2-1]   SETUP otherarg 1
  RUN test2 with otherarg 1 and modarg mod2
PASSED  TEARDOWN otherarg 1

testfixture.py::test_2[mod2-2]   SETUP otherarg 2
  RUN test2 with otherarg 2 and modarg mod2
PASSED  TEARDOWN otherarg 2
  TEARDOWN modarg mod2