Index: tools/perf/contrib/cluster_telemetry/screenshot_unittest.py |
diff --git a/tools/perf/contrib/cluster_telemetry/screenshot_unittest.py b/tools/perf/contrib/cluster_telemetry/screenshot_unittest.py |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bd7210443c27c4f362a090d09695c728180db359 |
--- /dev/null |
+++ b/tools/perf/contrib/cluster_telemetry/screenshot_unittest.py |
@@ -0,0 +1,36 @@ |
+# Copyright 2017 The Chromium Authors. All rights reserved. |
+# Use of this source code is governed by a BSD-style license that can be |
+# found in the LICENSE file. |
+ |
+import os |
+import platform |
+import shutil |
+import tempfile |
+ |
+from telemetry.testing import options_for_unittests |
+from telemetry.testing import page_test_test_case |
+from contrib.cluster_telemetry import screenshot |
+ |
+class ScreenshotUnitTest(page_test_test_case.PageTestTestCase): |
+ |
+ def setUp(self): |
+ self._options = options_for_unittests.GetCopy() |
+ self._png_outdir = tempfile.mkdtemp('_png_test') |
+ |
+ def tearDown(self): |
+ shutil.rmtree(self._png_outdir) |
+ |
+ def testScreenshot(self): |
+ page_set = self.CreateStorySetFromFileInUnittestDataDir('blank.html') |
+ measurement = screenshot.Screenshot(self._png_outdir) |
+ results = self.RunMeasurement(measurement, page_set, options=self._options) |
+ |
+ # Screenshots not supported if failure occurs on Linux |
+ 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
|
+ assert 'not supported' in results.failures[0].exc_info[1].message |
+ return |
+ |
+ path = self._png_outdir + '/' + page_set.stories[0].file_safe_name + '.png' |
+ self.assertTrue(os.path.exists(path)) |
+ self.assertTrue(os.path.isfile(path)) |
+ self.assertTrue(os.access(path, os.R_OK)) |