Added an svn test module (needs fixing)

Added a small externals example for tests (currently not used)

--HG--
extra : rebase_source : 5f2b31f8aa68a4b4f30e071b8b4bdad98c2cc595

setuptools/tests/test_svn.py

+# -*- coding: utf-8 -*-
+"""svn tests"""
+
+
+import os
+import sys
+import tempfile
+import unittest
+import shutil
+import stat
+
+import setuptools.command.egg_info as egg_info
+#requires python >= 2.4
+from subprocess import call as _call
+
+def _remove_dir(target):
+    
+    #on windows this seems to a problem
+    for dir_path, dirs, files in os.walk(target):
+        os.chmod(dir_path, stat.S_IWRITE)
+        for filename in files:
+            os.chmod(os.path.join(dir_path, filename), stat.S_IWRITE)
+    shutil.rmtree(target)
+
+class TestEmptySvn(unittest.TestCase):
+
+
+
+    def setUp(self):
+        self.temp_dir = tempfile.mkdtemp()
+        self.old_cwd = os.getcwd()
+        os.chdir(self.temp_dir)
+        #apparently there is a standing bug in python about having
+        #to use shell=True in windows to get a path search.
+        if _call(['svnadmin', 'create', 'svn'], shell=(sys.platform == 'win32')):
+            raise 'Failed to create SVN repository'
+
+        self.svnrepo = os.path.join(self.temp_dir, 'svn')
+
+        if _call(['svn', 'checkout', 'file:///' + self.svnrepo.replace('\\','/'), 'co']):
+            os.chdir(self.old_cwd)
+            _remove_dir(self.temp_dir)
+            raise 'Failed to checkout SVN repository'
+
+        os.chdir(os.path.join(self.temp_dir, 'co'))
+
+    def tearDown(self):
+        os.chdir(self.old_cwd)
+        _remove_dir(self.temp_dir)
+
+    def test_can_get_revision_empty(self):
+        """Check that svn revision can be retrieved from an working set on an empty repository."""
+        self.assertEquals('0', egg_info._get_svn_revision())
+
+    def test_can_get_revision_single_commit(self):
+        """Check that svn revision can be retrieved from an working set on an empty repository."""
+    
+        open('README', 'w').close()
+        exitcode = _call(['svn', 'add', 'README'], shell=(sys.platform == 'win32'))
+        self.assertEqual(0, exitcode)
+        
+        exitcode = _call(['svn', 'commit', '-m', '"README added"'], shell=(sys.platform == 'win32'))
+        self.assertEqual(0, exitcode)
+
+        exitcode = _call(['svn', 'update'], shell=(sys.platform == 'win32'))
+        self.assertEqual(0, exitcode)
+
+        self.assertEquals('1', egg_info._get_svn_revision())
+
+
+def test_suite():
+    return unittest.defaultTestLoader.loadTestsFromName(__name__)
+