From 00f842367a49bc9c0a486cabf0dd01dd36bc72aa Mon Sep 17 00:00:00 2001 From: Ned Batchelder Date: Sat, 9 Jul 2016 12:36:02 -0400 Subject: Fail command lines that use multiprocessing and other options together. #495 --- tests/test_cmdline.py | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'tests') diff --git a/tests/test_cmdline.py b/tests/test_cmdline.py index d72fd83c..f2531605 100644 --- a/tests/test_cmdline.py +++ b/tests/test_cmdline.py @@ -464,6 +464,16 @@ class CmdLineTest(BaseCmdLineTest): out = self.stdout() self.assertIn("option --concurrency: invalid choice: 'multiprocessing,gevent'", out) + def test_multiprocessing_needs_config_file(self): + # You can't use command-line args to add options to multiprocessing + # runs, since they won't make it to the subprocesses. You need to use a + # config file. + self.command_line("run --concurrency=multiprocessing --branch foo.py", ret=ERR) + self.assertIn( + "Options affecting multiprocessing must be specified in a configuration file.", + self.stdout() + ) + def test_run_debug(self): self.cmd_executes("run --debug=opt1 foo.py", """\ .coverage(debug=["opt1"]) -- cgit v1.2.1