diff options
| -rw-r--r-- | coverage/cmdline.py | 4 | ||||
| -rw-r--r-- | tests/test_cmdline.py | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/coverage/cmdline.py b/coverage/cmdline.py index ee239b2d..fc40e619 100644 --- a/coverage/cmdline.py +++ b/coverage/cmdline.py @@ -547,6 +547,10 @@ class CoverageScript(object): self.help_fn("Nothing to do.") return False + if options.append and options.parallel_mode: + self.help_fn("Can't append to data files in parallel mode.") + return False + return True def do_run(self, options, args): diff --git a/tests/test_cmdline.py b/tests/test_cmdline.py index 20444715..a379d402 100644 --- a/tests/test_cmdline.py +++ b/tests/test_cmdline.py @@ -486,6 +486,10 @@ class CmdLineTest(BaseCmdLineTest): self.command_line("run", ret=ERR) self.assertIn("Nothing to do", self.stdout()) + def test_cant_append_parallel(self): + self.command_line("run --append --parallel-mode foo.py", ret=ERR) + self.assertIn("Can't append to data files in parallel mode.", self.stdout()) + def test_xml(self): # coverage xml [-i] [--omit DIR,...] [FILE1 FILE2 ...] self.cmd_executes("xml", """\ |