tests.egg_info: Test absolute egg-base install

Make sure this copies the appropriate metadata into EGG-INFO.  This
test currently fails, but the next commit fixes setuptools so it will
pass.

setuptools/tests/test_egg_info.py

 
+import distutils.core
 import os
 import sys
 import tempfile
 import shutil
+import stat
 import unittest
 
 import pkg_resources
@@ -35,6 +37,20 @@ class TestEggInfo(unittest.TestCase):
         entries_f.write(entries)
         entries_f.close()
 
+    def _create_project(self):
+        with open('setup.py', 'w') as f:
+            f.write('from setuptools import setup\n')
+            f.write('\n')
+            f.write('setup(\n')
+            f.write("    name='foo',\n")
+            f.write("    py_modules=['hello'],\n")
+            f.write("    entry_points={'console_scripts': ['hi = hello.run']},\n")
+            f.write('    zip_safe=False,\n')
+            f.write('    )\n')
+        with open('hello.py', 'w') as f:
+            f.write('def run():\n')
+            f.write("    print('hello')\n")
+
     @skipIf(not test_svn._svn_check, "No SVN to text, in the first place")
     def test_version_10_format(self):
         """
@@ -81,6 +97,48 @@ class TestEggInfo(unittest.TestCase):
 
         self.assertEqual(rev, '89000')
 
+    def test_egg_base_installed_egg_info(self):
+        self._create_project()
+        temp_dir = tempfile.mkdtemp(prefix='setuptools-test.')
+        os.chmod(temp_dir, stat.S_IRWXU)
+        try:
+            paths = {}
+            for dirname in ['home', 'lib', 'scripts', 'data', 'egg-base']:
+                paths[dirname] = os.path.join(temp_dir, dirname)
+                os.mkdir(paths[dirname])
+            config = os.path.join(paths['home'], '.pydistutils.cfg')
+            with open(config, 'w') as f:
+                f.write('[egg_info]\n')
+                f.write('egg-base = %s\n' % paths['egg-base'])
+            environ = os.environ.copy()
+            environ['HOME'] = paths['home']
+            code, data = environment.run_setup_py(
+                cmd=[
+                    'install', '--home', paths['home'],
+                    '--install-lib', paths['lib'],
+                    '--install-scripts', paths['scripts'],
+                    '--install-data', paths['data']],
+                pypath=':'.join([paths['lib'], self.old_cwd]),
+                data_stream=1,
+                env=environ)
+            if code:
+                raise AssertionError(data)
+            egg_info = None
+            for dirpath, dirnames, filenames in os.walk(paths['lib']):
+                if os.path.basename(dirpath) == 'EGG-INFO':
+                    egg_info = sorted(filenames)
+            self.assertEqual(
+                egg_info,
+                ['PKG-INFO',
+                 'SOURCES.txt',
+                 'dependency_links.txt',
+                 'entry_points.txt',
+                 'not-zip-safe',
+                 'top_level.txt'])
+        finally:
+            shutil.rmtree(temp_dir)
+
+
 DUMMY_SOURCE_TXT = """CHANGES.txt
 CONTRIBUTORS.txt
 HISTORY.txt