Revert "Revert "delete old things!""

gm/rebaseline_server/imagediffdb_test.py

-#!/usr/bin/python
-
-"""
-Copyright 2013 Google Inc.
-
-Use of this source code is governed by a BSD-style license that can be
-found in the LICENSE file.
-
-Test imagediffdb.py
-"""
-
-# System-level imports
-import shutil
-import tempfile
-import unittest
-
-# Local imports
-import imagediffdb
-
-
-IMG_URL_BASE = ('http://chromium-skia-gm.commondatastorage.googleapis.com/gm/'
-                'bitmap-64bitMD5/')
-
-
-class ImageDiffDbTest(unittest.TestCase):
-
-  def setUp(self):
-    self.temp_dir = tempfile.mkdtemp()
-    self.maxDiff = None
-
-  def tearDown(self):
-    shutil.rmtree(self.temp_dir)
-
-  def shortDescription(self):
-    """Tell unittest framework to not print docstrings for test cases."""
-    return None
-
-  def test_sanitize_locator(self):
-    """Test _sanitize_locator()."""
-    # pylint: disable=W0212
-    self.assertEqual(imagediffdb._sanitize_locator('simple'), 'simple')
-    self.assertEqual(imagediffdb._sanitize_locator(1234), '1234')
-    self.assertEqual(imagediffdb._sanitize_locator('one/two'),  'one_two')
-    self.assertEqual(imagediffdb._sanitize_locator('one\\two'), 'one_two')
-    self.assertEqual(imagediffdb._sanitize_locator('one_two'),  'one_two')
-
-  def test_simple(self):
-    """Test ImageDiffDB, downloading real known images from Google Storage.
-
-    TODO(epoger): Instead of hitting Google Storage, we should read image
-    files from local disk using a file:// IMG_URL_BASE.
-    """
-    # params for each self-test:
-    # 0. expected image locator
-    # 1. expected image URL
-    # 2. actual image locator
-    # 3. actual image URL
-    # 4. expected percent_pixels_differing (as a string, to 4 decimal places)
-    # 5. expected perceptual difference (as a string, to 4 decimal places)
-    # 6. expected max_diff_per_channel
-    selftests = [
-        [
-            'arcofzorro/16206093933823793653',
-            IMG_URL_BASE + 'arcofzorro/16206093933823793653.png',
-            'arcofzorro/13786535001616823825',
-            IMG_URL_BASE + 'arcofzorro/13786535001616823825.png',
-            '0.0662', '0.0662', [255, 255, 247],
-        ],
-        [
-            'gradients_degenerate_2pt/10552995703607727960',
-            IMG_URL_BASE + 'gradients_degenerate_2pt/10552995703607727960.png',
-            'gradients_degenerate_2pt/11198253335583713230',
-            IMG_URL_BASE + 'gradients_degenerate_2pt/11198253335583713230.png',
-            '100.0000', '100.0000', [255, 0, 255],
-        ],
-    ]
-
-    # Add all image pairs to the database
-    db = imagediffdb.ImageDiffDB(self.temp_dir)
-    for selftest in selftests:
-      db.add_image_pair(
-          expected_image_locator=selftest[0], expected_image_url=selftest[1],
-          actual_image_locator=selftest[2],   actual_image_url=selftest[3])
-
-    # Fetch each image pair from the database
-    for selftest in selftests:
-      record = db.get_diff_record(expected_image_locator=selftest[0],
-                                  actual_image_locator=selftest[2])
-      self.assertEqual('%.4f' % record.get_percent_pixels_differing(),
-                       selftest[4])
-      self.assertEqual('%.4f' % record.get_perceptual_difference(), selftest[5])
-      self.assertEqual(record.get_max_diff_per_channel(), selftest[6])
-
-
-def main():
-  suite = unittest.TestLoader().loadTestsFromTestCase(ImageDiffDbTest)
-  unittest.TextTestRunner(verbosity=2).run(suite)
-
-
-if __name__ == '__main__':
-  main()