pytest run tests parallel

Question

I want to run all my pytest tests in parallel instead of sequentially.

my current setup looks like:

class Test1(OtherClass):     @pytest.mark.parametrize("activity_name", ["activity1", "activity2"])     @pytest.mark.flaky(reruns=1)     def test_1(self, activity_name, generate_test_id):     """     """          test_id = generate_random_test_id()         test_name = sys._getframe().f_code.co_name          result_triggers = self.proxy(test_name, generate_test_id, test_id, activity_name)          expected_items = ["response"]         validate_response("triggers", result_triggers, expected_items)       @pytest.mark.parametrize("activity_name", ["activity1", "activity2"])     @pytest.mark.flaky(reruns=1)     def test_2(self, activity_name, generate_test_id):     """     """          #same idea... 

I run my tests using pytest -v -s.

The result is that my tests are running sequentially, which takes a lot of time since some of them wait for responses from remote servers (integration tests).

Is there any way of running pytest in parallel?

Answer 1

You want pytest-xdist. I think Qxf2 explains it quite well: Qxf2 on Pytest-Xdist

Their Linux command-line is slightly too verbose for my tastes though; I use:

pytest -n <NUM> 

where <NUM> is the number of parallel workers.