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# Copyright 2014 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 json
import os
import shutil
import StringIO
import tempfile
import unittest
from telemetry import story
from telemetry import benchmark
from telemetry.internal.results import json_output_formatter
from telemetry.internal.results import page_test_results
from telemetry import page as page_module
from telemetry.timeline import trace_data
from telemetry.value import improvement_direction
from telemetry.value import scalar
from telemetry.value import trace
def _MakeStorySet():
story_set = story.StorySet(base_dir=os.path.dirname(__file__))
story_set.AddStory(
page_module.Page('http://www.foo.com/', story_set, story_set.base_dir))
story_set.AddStory(
page_module.Page('http://www.bar.com/', story_set, story_set.base_dir))
return story_set
def _HasPage(pages, page):
return pages.get(page.id, None) != None
def _HasValueNamed(values, name):
return len([x for x in values if x['name'] == name]) == 1
class JsonOutputFormatterTest(unittest.TestCase):
def setUp(self):
self._output = StringIO.StringIO()
self._story_set = _MakeStorySet()
self._formatter = json_output_formatter.JsonOutputFormatter(
self._output,
benchmark.BenchmarkMetadata('benchmark_name'))
def testOutputAndParse(self):
results = page_test_results.PageTestResults()
self._output.truncate(0)
results.WillRunPage(self._story_set[0])
v0 = scalar.ScalarValue(results.current_page, 'foo', 'seconds', 3,
improvement_direction=improvement_direction.DOWN)
results.AddValue(v0)
results.DidRunPage(self._story_set[0])
self._formatter.Format(results)
json.loads(self._output.getvalue())
def testAsDictBaseKeys(self):
results = page_test_results.PageTestResults()
d = json_output_formatter.ResultsAsDict(results,
self._formatter.benchmark_metadata)
self.assertEquals(d['format_version'], '0.2')
self.assertEquals(d['next_version'], '0.3')
self.assertEquals(d['benchmark_metadata']['name'], 'benchmark_name')
def testAsDictWithOnePage(self):
results = page_test_results.PageTestResults()
results.WillRunPage(self._story_set[0])
v0 = scalar.ScalarValue(results.current_page, 'foo', 'seconds', 3,
improvement_direction=improvement_direction.DOWN)
results.AddValue(v0)
results.DidRunPage(self._story_set[0])
d = json_output_formatter.ResultsAsDict(results,
self._formatter.benchmark_metadata)
self.assertTrue(_HasPage(d['pages'], self._story_set[0]))
self.assertTrue(_HasValueNamed(d['per_page_values'], 'foo'))
def testAsDictWithTraceValue(self):
tempdir = tempfile.mkdtemp()
try:
results = page_test_results.PageTestResults()
results.WillRunPage(self._story_set[0])
v0 = trace.TraceValue(
results.current_page,
trace_data.CreateTraceDataFromRawData([{'event': 'test'}]))
results.AddValue(v0)
results.DidRunPage(self._story_set[0])
results._SerializeTracesToDirPath(tempdir)
d = json_output_formatter.ResultsAsDict(results,
self._formatter.benchmark_metadata)
self.assertTrue(_HasPage(d['pages'], self._story_set[0]))
self.assertTrue(_HasValueNamed(d['per_page_values'], 'trace'))
self.assertEquals(len(d['files']), 1)
output_trace_path = d['files'].values()[0]
self.assertTrue(output_trace_path.startswith(tempdir))
self.assertTrue(os.path.exists(output_trace_path))
finally:
shutil.rmtree(tempdir)
def testAsDictWithTwoPages(self):
results = page_test_results.PageTestResults()
results.WillRunPage(self._story_set[0])
v0 = scalar.ScalarValue(results.current_page, 'foo', 'seconds', 3,
improvement_direction=improvement_direction.DOWN)
results.AddValue(v0)
results.DidRunPage(self._story_set[0])
results.WillRunPage(self._story_set[1])
v1 = scalar.ScalarValue(results.current_page, 'bar', 'seconds', 4,
improvement_direction=improvement_direction.DOWN)
results.AddValue(v1)
results.DidRunPage(self._story_set[1])
d = json_output_formatter.ResultsAsDict(results,
self._formatter.benchmark_metadata)
self.assertTrue(_HasPage(d['pages'], self._story_set[0]))
self.assertTrue(_HasPage(d['pages'], self._story_set[1]))
self.assertTrue(_HasValueNamed(d['per_page_values'], 'foo'))
self.assertTrue(_HasValueNamed(d['per_page_values'], 'bar'))
def testAsDictWithSummaryValueOnly(self):
results = page_test_results.PageTestResults()
v = scalar.ScalarValue(None, 'baz', 'seconds', 5,
improvement_direction=improvement_direction.DOWN)
results.AddSummaryValue(v)
d = json_output_formatter.ResultsAsDict(results,
self._formatter.benchmark_metadata)
self.assertFalse(d['pages'])
self.assertTrue(_HasValueNamed(d['summary_values'], 'baz'))
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