rebaseline_server live queries: allow comparison against summary files within the Skia repo

gm/rebaseline_server/compare_rendered_pictures_test.py

 #!/usr/bin/python
 
 """
 Copyright 2014 Google Inc.
 
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 
 Test compare_rendered_pictures.py
 
@@ skipping 50 matching lines @@
         image_base_gs_url='gs://fakebucket/fake/path',
         diff_base_url='/static/generated-images',
         setA_label=setA_label, setB_label=setB_label)
     results_obj.get_timestamp = mock_get_timestamp
 
     gm_json.WriteToFile(
         results_obj.get_packaged_results_of_type(
             results.KEY__HEADER__RESULTS_ALL),
         os.path.join(self.output_dir_actual, 'compare_rendered_pictures.json'))
 
+  def test_repo_url(self):
+    """Use repo: URL to specify summary files."""
+    results_obj = compare_rendered_pictures.RenderedPicturesComparisons(
+        setA_dirs=[
+            'repo:gm/rebaseline_server/testdata/inputs/skp-actuals/setA'],
+        setB_dirs=[
+            'repo:gm/rebaseline_server/testdata/inputs/skp-actuals/setB'],
+        image_diff_db=imagediffdb.ImageDiffDB(self.temp_dir),
+        image_base_gs_url='gs://fakebucket/fake/path',
+        diff_base_url='/static/generated-images',
+        setA_label='setA', setB_label='setB')
+    results_obj.get_timestamp = mock_get_timestamp
+
+    gm_json.WriteToFile(
+        results_obj.get_packaged_results_of_type(
+            results.KEY__HEADER__RESULTS_ALL),
+        os.path.join(self.output_dir_actual, 'compare_rendered_pictures.json'))
+
   def _generate_skps_and_run_render_pictures(self, subdir, skpdict):
     """Generate SKPs and run render_pictures on them.
 
     Args:
       subdir: subdirectory (within self.temp_dir) to write all files into
       skpdict: {skpname: redvalue} dictionary describing the SKP files to render
     """
     out_path = os.path.join(self.temp_dir, subdir)
     os.makedirs(out_path)
     for skpname, redvalue in skpdict.iteritems():
@@ skipping 38 matching lines @@
   """Mock version of BaseComparisons.get_timestamp() for testing."""
   return 12345678
 
 
 def main():
   base_unittest.main(CompareRenderedPicturesTest)
 
 
 if __name__ == '__main__':
   main()