now we're getting: test_example.py:34: TestExample.test_one[std] FAILED test_example.py:38: TestExample.test_two[std] FAILED test_example.py:34: TestExample.test_one[typeA] FAILED test_example.py:38: TestExample.test_two[typeA] FAILED test_example.py:34: TestExample.test_one[typeB] FAILED test_example.py:38: TestExample.test_two[typeB] FAILED te…

pytest_myplugin.py

import pytest

def pytest_generate_tests(metafunc):
    if 'generatedfix' in metafunc.fixturenames:
        # I get the params from a yaml file, simplifying atm
        metafunc.parametrize('generatedfix', ['typeA', 'typeB'], indirect=True,
                             scope='session')

@pytest.fixture(scope='session')
def generatedfix(request):
    if request.param == 'typeA':
        return 'typeA'
    elif request.param == 'typeB':
        return 'typeB'

test_example.py

import pytest
import pytest_myplugin

pytest_plugins = ['pytest_myplugin']

def pytest_generate_tests(metafunc):
    if 'fixA' in metafunc.fixturenames:
        # would grab the yaml file info here
        values = ['typeA', 'typeB']
        values.insert(0, 'std')
        metafunc.parametrize('fixA', values, indirect=True, scope='session')

@pytest.fixture(scope='session')
def fixA(request):
    if request.param == 'std':
        return request.getfuncargvalue("std")
    else:
        return virt(pytest_myplugin.generatedfix(request))

@pytest.fixture(scope='session')
def std(request):
    return "std"

@pytest.fixture(scope='session')
def virt(request, generatedfix):
    return "virt-{0}".format(generatedfix)


class TestExample(object):

    def test_one(self, fixA):
        print fixA
        assert(0)

    def test_two(self, fixA):
        print fixA
        assert(0)

    def test_three(self, std):
        print std
        assert(0)