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Diffstat (limited to 'tests/test_cmdline.py')
| -rw-r--r-- | tests/test_cmdline.py | 10 |
1 files changed, 10 insertions, 0 deletions
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"]) |