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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 os | |
6 import platform | |
7 import shutil | |
8 import tempfile | |
9 | |
10 from telemetry.testing import options_for_unittests | |
11 from telemetry.testing import page_test_test_case | |
12 from contrib.cluster_telemetry import screenshot | |
13 | |
14 class ScreenshotUnitTest(page_test_test_case.PageTestTestCase): | |
15 | |
16 def setUp(self): | |
17 self._options = options_for_unittests.GetCopy() | |
18 self._png_outdir = tempfile.mkdtemp('_png_test') | |
19 | |
20 def tearDown(self): | |
21 shutil.rmtree(self._png_outdir) | |
22 | |
23 def testScreenshot(self): | |
24 page_set = self.CreateStorySetFromFileInUnittestDataDir('blank.html') | |
25 measurement = screenshot.Screenshot(self._png_outdir) | |
26 results = self.RunMeasurement(measurement, page_set, options=self._options) | |
27 | |
28 # Screenshots not supported if failure occurs on Linux | |
29 if results.failures and platform.system() == 'Linux': | |
wkorman
2017/06/08 23:14:41
Don't we want the inverse? If it's Linux, we want
| |
30 assert 'not supported' in results.failures[0].exc_info[1].message | |
31 return | |
32 | |
33 path = self._png_outdir + '/' + page_set.stories[0].file_safe_name + '.png' | |
34 self.assertTrue(os.path.exists(path)) | |
35 self.assertTrue(os.path.isfile(path)) | |
36 self.assertTrue(os.access(path, os.R_OK)) | |
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