--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/Scripts/webkitpy/python24/versioning_unittest.py	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,134 @@
+# Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Contains unit tests for versioning.py."""
+
+import logging
+import unittest
+
+from webkitpy.common.system.logtesting import LogTesting
+from webkitpy.python24.versioning import check_version
+from webkitpy.python24.versioning import compare_version
+
+class MockSys(object):
+
+    """A mock sys module for passing to version-checking methods."""
+
+    def __init__(self, current_version):
+        """Create an instance.
+
+        current_version: A version string with major, minor, and micro
+                         version parts.
+
+        """
+        version_info = current_version.split(".")
+        version_info = map(int, version_info)
+
+        self.version = current_version + " Version details."
+        self.version_info = version_info
+
+
+class CompareVersionTest(unittest.TestCase):
+
+    """Tests compare_version()."""
+
+    def _mock_sys(self, current_version):
+        return MockSys(current_version)
+
+    def test_default_minimum_version(self):
+        """Test the configured minimum version that webkitpy supports."""
+        (comparison, current_version, min_version) = compare_version()
+        self.assertEquals(min_version, "2.5")
+
+    def compare_version(self, target_version, current_version=None):
+        """Call compare_version()."""
+        if current_version is None:
+            current_version = "2.5.3"
+        mock_sys = self._mock_sys(current_version)
+        return compare_version(mock_sys, target_version)
+
+    def compare(self, target_version, current_version=None):
+        """Call compare_version(), and return the comparison."""
+        return self.compare_version(target_version, current_version)[0]
+
+    def test_returned_current_version(self):
+        """Test the current_version return value."""
+        current_version = self.compare_version("2.5")[1]
+        self.assertEquals(current_version, "2.5.3")
+
+    def test_returned_target_version(self):
+        """Test the current_version return value."""
+        target_version = self.compare_version("2.5")[2]
+        self.assertEquals(target_version, "2.5")
+
+    def test_target_version_major(self):
+        """Test major version for target."""
+        self.assertEquals(-1, self.compare("3"))
+        self.assertEquals(0, self.compare("2"))
+        self.assertEquals(1, self.compare("2", "3.0.0"))
+
+    def test_target_version_minor(self):
+        """Test minor version for target."""
+        self.assertEquals(-1, self.compare("2.6"))
+        self.assertEquals(0, self.compare("2.5"))
+        self.assertEquals(1, self.compare("2.4"))
+
+    def test_target_version_micro(self):
+        """Test minor version for target."""
+        self.assertEquals(-1, self.compare("2.5.4"))
+        self.assertEquals(0, self.compare("2.5.3"))
+        self.assertEquals(1, self.compare("2.5.2"))
+
+
+class CheckVersionTest(unittest.TestCase):
+
+    """Tests check_version()."""
+
+    def setUp(self):
+        self._log = LogTesting.setUp(self)
+
+    def tearDown(self):
+        self._log.tearDown()
+
+    def _check_version(self, minimum_version):
+        """Call check_version()."""
+        mock_sys = MockSys("2.5.3")
+        return check_version(sysmodule=mock_sys, target_version=minimum_version)
+
+    def test_true_return_value(self):
+        """Test the configured minimum version that webkitpy supports."""
+        is_current = self._check_version("2.4")
+        self.assertEquals(True, is_current)
+        self._log.assertMessages([])  # No warning was logged.
+
+    def test_false_return_value(self):
+        """Test the configured minimum version that webkitpy supports."""
+        is_current = self._check_version("2.6")
+        self.assertEquals(False, is_current)
+        expected_message = ('WARNING: WebKit Python scripts do not support '
+                            'your current Python version (2.5.3).  '
+                            'The minimum supported version is 2.6.\n  '
+                            'See the following page to upgrade your Python '
+                            'version:\n\n    '
+                            'http://trac.webkit.org/wiki/PythonGuidelines\n\n')
+        self._log.assertMessages([expected_message])
+