Add test capturing failure when find_packages no longer follows symlinks. Ref #195

--HG--
extra : amend_source : 4efa6b87d3acaefebdfcc953e78a452ffc1f160d

setuptools.egg-info/requires.txt

 
 
-[ssl:sys_platform=='win32']
-wincertstore==0.2
-
 [certs]
-certifi==1.0.1
\ No newline at end of file
+certifi==1.0.1
+
+[ssl:sys_platform=='win32']
+wincertstore==0.2
\ No newline at end of file

setuptools/tests/test_find_packages.py

 """Tests for setuptools.find_packages()."""
 import os
+import sys
 import shutil
 import tempfile
 import unittest
+import platform
 
 import setuptools
 from setuptools import find_packages
+from setuptools.tests.py26compat import skipIf
 
 find_420_packages = setuptools.PEP420PackageFinder.find
 
+def has_symlink():
+    bad_symlink = (
+        # Windows symlink directory detection is broken on Python 3.2
+        platform.system() == 'Windows' and sys.version_info[:2] == (3,2)
+    )
+    return hasattr(os, 'symlink') and not bad_symlink
+
 class TestFindPackages(unittest.TestCase):
 
     def setUp(self):
@@ -99,6 +109,21 @@ class TestFindPackages(unittest.TestCase):
         packages = find_packages(self.dist_dir)
         self.assertTrue('build.pkg' not in packages)
 
+    @skipIf(not has_symlink(), 'Symlink support required')
+    def test_symlinked_packages_are_included(self):
+        """
+        A symbolically-linked directory should be treated like any other
+        directory when matched as a package.
+
+        Create a link from lpkg -> pkg.
+        """
+        self._touch('__init__.py', self.pkg_dir)
+        linked_pkg = os.path.join(self.dist_dir, 'lpkg')
+        os.symlink('pkg', linked_pkg)
+        assert os.path.isdir(linked_pkg)
+        packages = find_packages(self.dist_dir)
+        self.assertTrue('lpkg' in packages)
+
     def _assert_packages(self, actual, expected):
         self.assertEqual(set(actual), set(expected))