Add failing test case for installing when there are symlinks to directories

tests/data/packages/symlinks/docs

@@ -0,0 +1 @@
+doc

tests/data/packages/symlinks/setup.cfg

@@ -0,0 +1,3 @@
+[egg_info]
+tag_build = dev
+tag_svn_revision = true

tests/data/packages/symlinks/setup.py

@@ -0,0 +1,8 @@
+from setuptools import setup
+
+version = '0.1'
+
+setup(name='symlinks',
+      version=version,
+      packages=["symlinks"],
+      )

tests/data/packages/symlinks/symlinks/__init__.py

@@ -0,0 +1 @@
+#

tests/functional/test_install.py

@@ -208,6 +208,18 @@ def test_install_from_local_directory(script, data):
     assert egg_info_folder in result.files_created, str(result)
 
 
+def test_install_from_local_directory_with_symlinks_to_directories(script, data):
+    """
+    Test installing from a local directory containing symlinks to directories.
+    """
+    to_install = data.packages.join("symlinks")
+    result = script.pip('install', to_install, expect_error=False)
+    pkg_folder = script.site_packages/'symlinks'
+    egg_info_folder = script.site_packages/'symlinks-0.1dev-py%s.egg-info' % pyversion
+    assert pkg_folder in result.files_created, str(result.stdout)
+    assert egg_info_folder in result.files_created, str(result)
+
+
 def test_install_from_local_directory_with_no_setup_py(script, data):
     """
     Test installing from a local directory with no 'setup.py'.