src/tools/telemetry/telemetry/value/failure_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
   5 import os
   6 import sys
   7 import traceback
   8 import unittest
   9
  10 from telemetry import value
  11 from telemetry.page import page_set
  12 from telemetry.value import failure
  13
  14
  15 class TestBase(unittest.TestCase):
  16   def setUp(self):
  17     self.page_set = page_set.PageSet(file_path=os.path.dirname(__file__))
  18     self.page_set.AddPageWithDefaultRunNavigate("http://www.bar.com/")
  19
  20   @property
  21   def pages(self):
  22     return self.page_set.pages
  23
  24 class ValueTest(TestBase):
  25   def testName(self):
  26     v0 = failure.FailureValue.FromMessage(self.pages[0], 'Failure')
  27     self.assertEquals('Exception', v0.name)
  28     try:
  29       raise NotImplementedError()
  30     except Exception:
  31       v1 = failure.FailureValue(self.pages[0], sys.exc_info())
  32     self.assertEquals('NotImplementedError', v1.name)
  33
  34   def testBuildbotAndRepresentativeValue(self):
  35     v = failure.FailureValue.FromMessage(self.pages[0], 'Failure')
  36     self.assertIsNone(v.GetBuildbotValue())
  37     self.assertIsNone(v.GetBuildbotDataType(
  38         value.COMPUTED_PER_PAGE_SUMMARY_OUTPUT_CONTEXT))
  39     self.assertIsNone(v.GetChartAndTraceNameForPerPageResult())
  40     self.assertIsNone(v.GetRepresentativeNumber())
  41     self.assertIsNone(v.GetRepresentativeString())
  42
  43   def testAsDict(self):
  44     v = failure.FailureValue.FromMessage(self.pages[0], 'Failure')
  45     d = v.AsDictWithoutBaseClassEntries()
  46     self.assertTrue(d['value'].find('Exception: Failure') > -1)
  47
  48   def testFromDict(self):
  49     try:
  50       raise Exception('test')
  51     except Exception:
  52       exc_info = sys.exc_info()
  53     d = {
  54       'type': 'failure',
  55       'name': exc_info[0].__name__,
  56       'units': '',
  57       'value': ''.join(traceback.format_exception(*exc_info))
  58     }
  59     v = value.Value.FromDict(d, {})
  60
  61     self.assertTrue(isinstance(v, failure.FailureValue))
  62     self.assertEquals(v.name, 'Exception')