Intial checkin of layout test analyzer.

media/tools/layout_tests/test_expectations_history_unittest.py

Index: media/tools/layout_tests/test_expectations_history_unittest.py
diff --git a/media/tools/layout_tests/test_expectations_history_unittest.py b/media/tools/layout_tests/test_expectations_history_unittest.py
new file mode 100644
index 0000000000000000000000000000000000000000..a005b82d95a72a03f4f9e353b1f0a486f052a283
--- /dev/null
+++ b/media/tools/layout_tests/test_expectations_history_unittest.py
@@ -0,0 +1,60 @@
+#!/usr/bin/python
+# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from datetime import datetime
+from datetime import timedelta
+import time
+import unittest
+
+
+from test_expectations_history import TestExpectationsHistory
+
+
+class TestTestExpectationsHistory(unittest.TestCase):
+  """Unit tests for the TestExpectationsHistory class."""
+
+  def AssertTestName(self, result_list, testname):
+    """Assert test name in the result_list.
+
+    Args:
+      result_list: a result list of tuples returned by
+          |GetDiffBetweenTimesOnly1Diff()|. Each tuple consists of
+          (old_rev, new_rev, author, date, message, lines) where
+          |lines| are the entries in the test expectation file.
+      testname: a testname string.
+
+    Returns:
+      True if the result contains the testname, False otherwise.
+    """
+    for (_, _, _, _, _, lines) in result_list:
+      if any([testname in line for line in lines]):
+        return True
+    return False
+
+  def testGetDiffBetweenTimes(self):
+    t = (2011, 8, 20, 0, 0, 0, 0, 0, 0)
+    ctime = time.mktime(t)
+    t = (2011, 8, 19, 0, 0, 0, 0, 0, 0)
+    ptime = time.mktime(t)
+    testname = 'fast/css/getComputedStyle/computed-style-without-renderer.html'
+    testname_list = [testname]
+    result_list = TestExpectationsHistory.GetDiffBetweenTimes(
+        ctime, ptime, testname_list)
+    self.assertTrue(self.AssertTestName(result_list, testname))
+
+  def testGetDiffBetweenTimesOnly1Diff(self):
+    ptime = datetime.strptime('2011-08-19-23', '%Y-%m-%d-%H')
+    ptime = time.mktime(ptime.timetuple())
+    ctime = datetime.strptime('2011-08-20-00', '%Y-%m-%d-%H')
+    ctime = time.mktime(ctime.timetuple())
+    testname = 'fast/css/getComputedStyle/computed-style-without-renderer.html'
+    testname_list = [testname]
+    result_list = TestExpectationsHistory.GetDiffBetweenTimes(
+        ctime, ptime, testname_list)
+    self.assertTrue(self.AssertTestName(result_list, testname))
+
+
+if __name__ == '__main__':
+  unittest.main()