src/tools/perf/measurements/skpicture_printer_unittest.py

   1 # Copyright 2014 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 import shutil
   5 import tempfile
   6
   7 from measurements import skpicture_printer
   8 from telemetry.page import page_measurement_unittest_base
   9 from telemetry.unittest import options_for_unittests
  10
  11
  12 class SkpicturePrinterUnitTest(
  13       page_measurement_unittest_base.PageMeasurementUnitTestBase):
  14   def setUp(self):
  15     self._options = options_for_unittests.GetCopy()
  16     self._options.skp_outdir = tempfile.mkdtemp('_skp_test')
  17
  18   def tearDown(self):
  19     shutil.rmtree(self._options.skp_outdir)
  20
  21   def testSkpicturePrinter(self):
  22     ps = self.CreatePageSetFromFileInUnittestDataDir('blank.html')
  23     measurement = skpicture_printer.SkpicturePrinter()
  24     results = self.RunMeasurement(measurement, ps, options=self._options)
  25
  26     # Picture printing is not supported on all platforms.
  27     if results.failures:
  28       assert 'not supported' in results.failures[0][1]
  29       return
  30
  31     saved_picture_count = results.FindAllPageSpecificValuesNamed(
  32         'saved_picture_count')
  33     self.assertEquals(len(saved_picture_count), 1)
  34     self.assertGreater(saved_picture_count[0].GetRepresentativeNumber(), 0)