Automated merge with ssh://bitbucket.org/ned/coveragepy

1 files changed, 7 insertions, 0 deletions

diff --git a/test/test_codeunit.py b/test/test_codeunit.py
index b543949c..a568fe56 100644
--- a/test/test_codeunit.py
+++ b/test/test_codeunit.py
@@ -89,7 +89,14 @@ class CodeUnitTest(CoverageTest):
         assert bcu > acu and bcu >= acu and bcu != acu
 
     def test_egg(self):
+        # Test that we can get files out of eggs, and read their source files.
+        # The egg1 module is installed by an action in igor.py.
         import egg1, egg1.egg1
+        # Verify that we really imported from an egg.  If we did, then the
+        # __file__ won't be an actual file, because one of the "directories"
+        # in the path is actually the .egg zip file.
+        self.assert_doesnt_exist(egg1.__file__)
+
         cu = code_unit_factory([egg1, egg1.egg1], FileLocator())
         self.assertEqual(cu[0].source_file().read(), "")
         self.assertEqual(cu[1].source_file().read().split("\n")[0],