compare_to_expectations_test.py revision 31d0b3d806a1aa86b7edaa442b3821f5d548e184 
1#!/usr/bin/python
2
3"""
4Copyright 2013 Google Inc.
5
6Use of this source code is governed by a BSD-style license that can be
7found in the LICENSE file.
8
9Test compare_to_expectations.py
10
11TODO(epoger): Create a command to update the expected results (in
12self._output_dir_expected) when appropriate.  For now, you should:
131. examine the results in self._output_dir_actual and make sure they are ok
142. rm -rf self._output_dir_expected
153. mv self._output_dir_actual self._output_dir_expected
16Although, if you're using an SVN checkout, this will blow away .svn directories
17within self._output_dir_expected, which wouldn't be good...
18
19"""
20
21import os
22import sys
23
24# Imports from within Skia
25import base_unittest
26import compare_to_expectations
27import results
28import gm_json  # must import results first, so that gm_json will be in sys.path
29
30
31class CompareToExpectationsTest(base_unittest.TestCase):
32
33  def test_gm(self):
34    """Process results of a GM run with the ExpectationComparisons object."""
35    results_obj = compare_to_expectations.ExpectationComparisons(
36        actuals_root=os.path.join(self._input_dir, 'gm-actuals'),
37        expected_root=os.path.join(self._input_dir, 'gm-expectations'),
38        generated_images_root=self._temp_dir,
39        diff_base_url='/static/generated-images')
40    results_obj.get_timestamp = mock_get_timestamp
41    gm_json.WriteToFile(
42        results_obj.get_packaged_results_of_type(
43            results.KEY__HEADER__RESULTS_ALL),
44        os.path.join(self._output_dir_actual, 'gm.json'))
45
46
47def mock_get_timestamp():
48  """Mock version of BaseComparisons.get_timestamp() for testing."""
49  return 12345678
50
51
52def main():
53  base_unittest.main(CompareToExpectationsTest)
54
55
56if __name__ == '__main__':
57  main()
58