test_ok1/testing/example_scripts/issue_519.py

import pytest
import pprint
def pytest_generate_tests(metafunc):
    if 'arg1' in metafunc.fixturenames:
        metafunc.parametrize("arg1", [ 'arg1v1', 'arg1v2' ], scope='module')

    if 'arg2' in metafunc.fixturenames:
        metafunc.parametrize("arg2", [ 'arg2v1', 'arg2v2' ], scope='function')

@pytest.fixture(scope='session')
def checked_order():
    order = []

    yield order
    pprint.pprint(order)
    assert order == [
        ('testing/example_scripts/issue_519.py', 'fix1', 'arg1v1'),
        ('test_one[arg1v1-arg2v1]', 'fix2', 'arg2v1'),
        ('test_two[arg1v1-arg2v1]', 'fix2', 'arg2v1'),

        ('test_one[arg1v1-arg2v2]', 'fix2', 'arg2v2'),
        ('test_two[arg1v1-arg2v2]', 'fix2', 'arg2v2'),

        ('testing/example_scripts/issue_519.py', 'fix1', 'arg1v2'),
        ('test_one[arg1v2-arg2v1]', 'fix2', 'arg2v1'),
        ('test_two[arg1v2-arg2v1]', 'fix2', 'arg2v1'),

        ('test_one[arg1v2-arg2v2]', 'fix2', 'arg2v2'),
        ('test_two[arg1v2-arg2v2]', 'fix2', 'arg2v2'),
    ]




@pytest.yield_fixture(scope='module')
def fix1(request, arg1, checked_order):
    checked_order.append((request.node.name, 'fix1', arg1))
    yield 'fix1-' + arg1

@pytest.yield_fixture(scope='function')
def fix2(request, fix1, arg2, checked_order):
    checked_order.append((request.node.name, 'fix2', arg2))
    yield 'fix2-' + arg2 + fix1

def test_one(fix2):
    pass

def test_two(fix2):
    pass