1 files changed, 41 insertions, 0 deletions
diff --git a/test/test_cmdline.py b/test/test_cmdline.py
new file mode 100644
index 00000000..27fcd84e
--- /dev/null
+++ b/test/test_cmdline.py
@@ -0,0 +1,41 @@
+"""Test cmdline.py for coverage."""
+
+import unittest
+
+import coverage
+
+from coveragetest import CoverageTest
+
+
+class CmdLineTest(CoverageTest):
+    def help_fn(self, error=None):
+        raise Exception(error or "__doc__")
+
+    def command_line(self, argv):
+        return coverage.CoverageScript().command_line(argv, self.help_fn)
+
+    def testHelp(self):
+        self.assertRaisesMsg(Exception, "__doc__", self.command_line, ['-h'])
+        self.assertRaisesMsg(Exception, "__doc__", self.command_line, ['--help'])
+
+    def testUnknownOption(self):
+        self.assertRaisesMsg(Exception, "option -z not recognized", self.command_line, ['-z'])
+
+    def testBadActionCombinations(self):
+        self.assertRaisesMsg(Exception, "You can't specify the 'erase' and 'annotate' options at the same time.", self.command_line, ['-e', '-a'])
+        self.assertRaisesMsg(Exception, "You can't specify the 'erase' and 'report' options at the same time.", self.command_line, ['-e', '-r'])
+        self.assertRaisesMsg(Exception, "You can't specify the 'erase' and 'combine' options at the same time.", self.command_line, ['-e', '-c'])
+        self.assertRaisesMsg(Exception, "You can't specify the 'execute' and 'annotate' options at the same time.", self.command_line, ['-x', '-a'])
+        self.assertRaisesMsg(Exception, "You can't specify the 'execute' and 'report' options at the same time.", self.command_line, ['-x', '-r'])
+        self.assertRaisesMsg(Exception, "You can't specify the 'execute' and 'combine' options at the same time.", self.command_line, ['-x', '-c'])
+
+    def testNeedAction(self):
+        self.assertRaisesMsg(Exception, "You must specify at least one of -e, -x, -c, -r, -a, or -b.", self.command_line, ['-p'])
+
+    def testArglessActions(self):
+        self.assertRaisesMsg(Exception, "Unexpected arguments: foo bar", self.command_line, ['-e', 'foo', 'bar'])
+        self.assertRaisesMsg(Exception, "Unexpected arguments: baz quux", self.command_line, ['-c', 'baz', 'quux'])
+
+
+if __name__ == '__main__':
+    unittest.main()