From 98f38f393b954f0e99cc16303911fb5bd26f1b61 Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Thu, 30 Jul 2015 19:51:08 -0400
Subject: Can't use --append and --parallel-mode together.

---
 tests/test_cmdline.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'tests/test_cmdline.py')

diff --git a/tests/test_cmdline.py b/tests/test_cmdline.py
index 2044471..a379d40 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", """\
-- 
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