Initial checkin of media test matrix class, which will be used for media perf test later.

chrome/test/functional/media_test_matrix_unittest.py

+#!/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.
+
+import os
+import random
+import unittest
+
+from media_test_matrix import MediaTestMatrix
+
+
+class MediaTestMatrixTest(unittest.TestCase):
+  """Unit test for MediaTestMatrix class."""
+
+  def _ReadCSVFile(self):
+    """Reads CSV file for test and returns a media test matrix object.
+
+    Returns:
+      a media test matrix.
+    """
+    matrix = MediaTestMatrix()
+    # Pyauto.DataDir() method is not used to avoid dependency to pyauto.
+    data_file = os.path.join(os.pardir, 'data', 'media',
+                             'media_matrix_data.csv')
+    matrix.ReadData(data_file)
+    return matrix
+
+  def testGenerateAllMediaInfosInCompactForm(self):
+    matrix = self._ReadCSVFile()
+    # Get video data only case.
+    media_test_matrix_list = matrix.GenerateAllMediaInfosInCompactForm(True)
+    self.assertEqual(len(media_test_matrix_list), 249,
+                     'total number of elements in the returned list is wrong')
+    # Get all media data.
+    media_test_matrix_list = matrix.GenerateAllMediaInfosInCompactForm(False)
+    self.assertEqual(len(media_test_matrix_list), 466,
+                     'total number of elements in the returned list is wrong')
+    mobile_test_info = MediaTestMatrix.LookForMediaInfoInCompactFormByNickName(
+        media_test_matrix_list, 'mobile0.webm')
+    self.assertEqual(mobile_test_info[1], 'mobile0.webm',
+                     'the nickname of the returned element is wrong')
+
+  def testGenerateAllMediaInfos(self):
+    matrix = self._ReadCSVFile()
+    # Get video data only case.
+    media_test_matrix_list = matrix.GenerateAllMediaInfos(True)
+    self.assertEqual(len(media_test_matrix_list), 249,
+                     'total number of elements in the returned list is wrong')
+    # Get all media data.
+    media_test_matrix_list = matrix.GenerateAllMediaInfos(False)
+    self.assertEqual(len(media_test_matrix_list), 466,
+                     'total number of elements in the returned list is wrong')
+    (info, url, link, tag, is_video, nickname) = (
+        matrix.GenerateRandomMediaInfo())
+    self.assertTrue(info is not None,
+                    'randomly generated media info does not have spec')
+    self.assertTrue(url is not None,
+                    'randomly generated media info does not have url')
+    self.assertTrue(link is not None,
+                    'randomly generated media info does not have link')
+    self.assertTrue(tag is not None,
+                    'randomly generated media info does not have tag')
+    self.assertTrue(nickname is not None,
+                    'randomly generated media info does not have nickname')
+
+
+if __name__ == '__main__':
+    unittest.main()