def testNetworkMetricResults(self):
events = [
# A plain text HTML.
self.MakeNetworkTimelineEvent(url='http://test.html1',
response_headers={
'Content-Type':
'text/html',
'Content-Length':
str(len(HTML_BODY)),
},
body=HTML_BODY),
# A compressed HTML.
self.MakeNetworkTimelineEvent(url='http://test.html2',
response_headers={
'Content-Type':
'text/html',
'Content-Encoding':
'gzip',
'X-Original-Content-Length':
str(len(HTML_BODY)),
},
body=HTML_BODY),
# A base64 encoded image.
self.MakeNetworkTimelineEvent(url='http://test.image',
response_headers={
'Content-Type':
'image/jpeg',
'Content-Encoding':
'gzip',
'X-Original-Content-Length':
str(IMAGE_OCL),
},
body=base64.b64encode(IMAGE_BODY),
base64_encoded_body=True),
]
metric = network.NetworkMetric()
metric._events = events
metric.compute_data_saving = True
self.assertTrue(len(events), len(list(metric.IterResponses(None))))
results = test_page_measurement_results.TestPageMeasurementResults(
self)
metric.AddResults(None, results)
cl = len(HTML_BODY) + GZIPPED_HTML_LEN + len(IMAGE_BODY)
results.AssertHasPageSpecificScalarValue('content_length', 'bytes', cl)
ocl = len(HTML_BODY) + len(HTML_BODY) + IMAGE_OCL
results.AssertHasPageSpecificScalarValue('original_content_length',
'bytes', ocl)
saving_percent = float(ocl - cl) * 100 / ocl
results.AssertHasPageSpecificScalarValue('data_saving', 'percent',
saving_percent)
def WillStartBrowser(self, platform):
self._power_metric = power.PowerMetric(platform)
self._network_metric = network.NetworkMetric(platform)
