OLD | NEW |
---|---|
(Empty) | |
1 # Copyright 2017 The Chromium Authors. All rights reserved. | |
2 # Use of this source code is governed by a BSD-style license that can be | |
3 # found in the LICENSE file. | |
4 | |
5 import shutil | |
6 import tempfile | |
7 | |
8 from telemetry.testing import options_for_unittests | |
9 from telemetry.testing import page_test_test_case | |
10 | |
11 from measurements import screenshot | |
12 | |
13 class ScreenshotUnitTest(page_test_test_case.PageTestTestCase): | |
14 | |
15 def setUp(self): | |
16 self._options = options_for_unittests.GetCopy() | |
17 self._png_outdir = tempfile.mkdtemp('_png_test') | |
18 | |
19 def tearDown(self): | |
20 shutil.rmtree(self._png_outdir) | |
21 | |
22 def testPixelDiff(self): | |
23 page_set = self.CreateStorySetFromFileInUnittestDataDir('blank.html') | |
24 measurement = screenshot.Screenshot(self._png_outdir) | |
25 results = self.RunMeasurement(measurement, page_set, options=self._options) | |
26 | |
27 # Screenshots are not supported on all platforms | |
28 if results.failures: | |
wkorman
2017/06/08 17:57:53
Looks like we still need to figure out some way to
| |
29 assert 'not supported' in results.failures[0].exc_info[1].message | |
30 return | |
31 | |
32 saved_picture_count = results.FindAllPageSpecificValuesNamed( | |
33 'saved_picture_count') | |
34 self.assertEquals(len(saved_picture_count), 1) | |
35 self.assertGreater(saved_picture_count[0].GetRepresentativeNumber(), 0) | |
OLD | NEW |