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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 # Screenshots for Cluster Telemetry purposes currently only supported on | |
25 # Linux platform. | |
26 if platform.system() != 'Linux': | |
nednguyen
2017/06/09 18:11:09
You would want to do @decorators.Enabled('linux')
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27 return | |
28 | |
29 page_set = self.CreateStorySetFromFileInUnittestDataDir('blank.html') | |
30 measurement = screenshot.Screenshot(self._png_outdir) | |
31 self.RunMeasurement(measurement, page_set, options=self._options) | |
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)) | |
nednguyen
2017/06/09 18:11:09
In general, test should not leave files around aft
lchoi
2017/06/09 18:16:51
I'm pretty sure the tearDown() fn above takes care
nednguyen
2017/06/09 18:22:59
Ah right. Sorry that i missed the tearDown
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