Look for __main__ module if coverage is being run for directory #252

1 files changed, 9 insertions, 0 deletions

diff --git a/tests/test_execfile.py b/tests/test_execfile.py
index 49d6cc8c..9c2bc7d6 100644
--- a/tests/test_execfile.py
+++ b/tests/test_execfile.py
@@ -82,6 +82,15 @@ class RunFileTest(CoverageTest):
         with self.assertRaises(NoSource):
             run_python_file("xyzzy.py", [])
 
+    def test_directory_with_main(self):
+        directory_with_main = os.path.join(HERE, "with_main")
+        run_python_file(directory_with_main, [directory_with_main])
+        self.assertEqual(self.stdout(), "1\n")
+
+    def test_directory_without_main(self):
+        with self.assertRaises(NoSource):
+            directory_with_main = os.path.join(HERE, "with_main", "without")
+            run_python_file(directory_with_main, [directory_with_main])
 
 class RunPycFileTest(CoverageTest):
     """Test cases for `run_python_file`."""