Add HackedEggInfo test for the the fix for pypaGH-11.

tests/packages/HackedEggInfo/setup.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+
+from setuptools import setup
+from setuptools.command import egg_info as orig_egg_info
+
+class egg_info (orig_egg_info.egg_info):
+    def run(self):
+        orig_egg_info.egg_info.run(self)
+
+
+setup(
+    name = "hackedegginfo",
+    version = '0.0.0',
+    cmdclass = {'egg_info':egg_info },
+    zip_safe = False,
+)
+

tests/test_basic.py

@@ -376,6 +376,16 @@ def test_install_with_pax_header():
     run_pip('install', 'paxpkg.tar.bz2', cwd=run_from)
 
 
+def test_install_with_hacked_egg_info():
+    """
+    test installing a package which defines its own egg_info class
+    """
+    reset_env()
+    run_from = abspath(join(here, 'packages', 'HackedEggInfo'))
+    result = run_pip('install', '.', cwd=run_from)
+    assert 'Successfully installed hackedegginfo\n' in result.stdout
+
+
 def test_install_using_install_option_and_editable():
     """
     Test installing a tool using -e and --install-option