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

[Nirnimesh, 2011/03/20 09:14:06]

nit: Please leave a blank line after all the system imports and below your local
imports

[imasaki1, 2011/03/20 16:17:16]

Done.

+from media_test_matrix import MediaTestMatrix
+
+
+class MediaTestMatrixTest(unittest.TestCase):
+  """Unit test for MediaTestMatrix class."""
+
+  def __ReadCSVFile(self):

[Nirnimesh, 2011/03/20 09:14:06]

nit: use single underscore

[imasaki1, 2011/03/20 16:17:16]

Done.

+    """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('..', 'data', 'media', 'media_matrix_data.csv')

[Nirnimesh, 2011/03/20 09:14:06]

use os.pardir instead of '..'

[imasaki1, 2011/03/20 16:17:16]

Done.

+    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")

[Nirnimesh, 2011/03/20 09:14:06]

nit: use single quote char ' please
Repeat elsewhere in this script

[imasaki1, 2011/03/20 16:17:16]

Done.

+    (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")
+

[Nirnimesh, 2011/03/20 09:14:06]

leave another blank line here.
Need 2 blank lines at global scope

[imasaki1, 2011/03/20 16:17:16]

Done.

+if __name__ == '__main__':
+    unittest.main()