Move top_20 tests to a separate suite

tools/chrome_proxy/integration_tests/chrome_proxy_metrics_unittest.py

 # 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 base64
 import unittest
 
+from common import chrome_proxy_metrics as common_metrics
+from common import network_metrics_unittest as network_unittest
 from integration_tests import chrome_proxy_metrics as metrics
-from integration_tests import network_metrics_unittest as network_unittest
 from telemetry.unittest_util import test_page_test_results
 
 TEST_EXTRA_VIA_HEADER = '1.1 EXTRA_VIA_HEADER'
 
 # Timeline events used in tests.
 # An HTML not via proxy.
 EVENT_HTML_DIRECT = network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.html1',
     response_headers={
         'Content-Type': 'text/html',
         'Content-Length': str(len(network_unittest.HTML_BODY)),
         },
     body=network_unittest.HTML_BODY)
 
 # An HTML via proxy.
 EVENT_HTML_PROXY_VIA = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.html2',
     response_headers={
         'Content-Type': 'text/html',
         'Content-Encoding': 'gzip',
         'X-Original-Content-Length': str(len(network_unittest.HTML_BODY)),
-        'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER,
+        'Via': '1.1 ' + common_metrics.CHROME_PROXY_VIA_HEADER,
         },
     body=network_unittest.HTML_BODY,
     remote_port=443))
 
 # An HTML via proxy with extra header.
 EVENT_HTML_PROXY_EXTRA_VIA = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.html2',
     response_headers={
         'Content-Type': 'text/html',
         'Content-Encoding': 'gzip',
         'X-Original-Content-Length': str(len(network_unittest.HTML_BODY)),
-        'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER + ", " +
+        'Via': '1.1 ' + common_metrics.CHROME_PROXY_VIA_HEADER + ", " +
         TEST_EXTRA_VIA_HEADER,
         },
     body=network_unittest.HTML_BODY,
     remote_port=443))
 
 # An HTML via the HTTP fallback proxy.
 EVENT_HTML_PROXY_VIA_HTTP_FALLBACK = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.html2',
     response_headers={
         'Content-Type': 'text/html',
         'Content-Encoding': 'gzip',
         'X-Original-Content-Length': str(len(network_unittest.HTML_BODY)),
-        'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER,
+        'Via': '1.1 ' + common_metrics.CHROME_PROXY_VIA_HEADER,
         },
     body=network_unittest.HTML_BODY,
     remote_port=80))
 
 # An image via proxy with Via header.
 EVENT_IMAGE_PROXY_VIA = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.image',
     response_headers={
         'Content-Type': 'image/jpeg',
         'Content-Encoding': 'gzip',
         'X-Original-Content-Length': str(network_unittest.IMAGE_OCL),
-        'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER,
+        'Via': '1.1 ' + common_metrics.CHROME_PROXY_VIA_HEADER,
         },
     body=base64.b64encode(network_unittest.IMAGE_BODY),
     base64_encoded_body=True,
     remote_port=443))
 
 # An image via the HTTP fallback proxy.
 EVENT_IMAGE_PROXY_VIA_HTTP_FALLBACK = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.image',
     response_headers={
         'Content-Type': 'image/jpeg',
         'Content-Encoding': 'gzip',
         'X-Original-Content-Length': str(network_unittest.IMAGE_OCL),
-        'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER,
+        'Via': '1.1 ' + common_metrics.CHROME_PROXY_VIA_HEADER,
         },
     body=base64.b64encode(network_unittest.IMAGE_BODY),
     base64_encoded_body=True,
     remote_port=80))
 
 # An image via proxy with Via header and it is cached.
 EVENT_IMAGE_PROXY_CACHED = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.image',
     response_headers={
         'Content-Type': 'image/jpeg',
         'Content-Encoding': 'gzip',
         'X-Original-Content-Length': str(network_unittest.IMAGE_OCL),
-        'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER,
+        'Via': '1.1 ' + common_metrics.CHROME_PROXY_VIA_HEADER,
         },
     body=base64.b64encode(network_unittest.IMAGE_BODY),
     base64_encoded_body=True,
     served_from_cache=True))
 
 # An image fetched directly.
 EVENT_IMAGE_DIRECT = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.image',
     response_headers={
         'Content-Type': 'image/jpeg',
         'Content-Encoding': 'gzip',
         },
     body=base64.b64encode(network_unittest.IMAGE_BODY),
     base64_encoded_body=True))
 
 # A safe-browsing malware response.
 EVENT_MALWARE_PROXY = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.malware',
     response_headers={
         'X-Malware-Url': '1',
-        'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER,
+        'Via': '1.1 ' + common_metrics.CHROME_PROXY_VIA_HEADER,
         'Location': 'http://test.malware',
         },
     status=307))
 
 # An HTML via proxy with the Via header.
 EVENT_IMAGE_BYPASS = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.image',
     response_headers={
         'Chrome-Proxy': 'bypass=1',
         'Content-Type': 'text/html',
-        'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER,
+        'Via': '1.1 ' + common_metrics.CHROME_PROXY_VIA_HEADER,
         },
     status=502))
 
 # An image fetched directly.
 EVENT_IMAGE_DIRECT = (
     network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
     url='http://test.image',
     response_headers={
         'Content-Type': 'image/jpeg',
         'Content-Encoding': 'gzip',
         },
     body=base64.b64encode(network_unittest.IMAGE_BODY),
     base64_encoded_body=True))
 
 
 class ChromeProxyMetricTest(unittest.TestCase):
 
   _test_proxy_info = {}
 
   def _StubGetProxyInfo(self, info):
     def stub(unused_tab, unused_url=''):  # pylint: disable=W0613
       return ChromeProxyMetricTest._test_proxy_info
     metrics.GetProxyInfoFromNetworkInternals = stub
     ChromeProxyMetricTest._test_proxy_info = info
 
-  def testChromeProxyResponse(self):
-    # An https non-proxy response.
-    resp = metrics.ChromeProxyResponse(
-        network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
-            url='https://test.url',
-            response_headers={
-                'Content-Type': 'text/html',
-                'Content-Length': str(len(network_unittest.HTML_BODY)),
-                'Via': 'some other via',
-                },
-            body=network_unittest.HTML_BODY))
-    self.assertFalse(resp.ShouldHaveChromeProxyViaHeader())
-    self.assertFalse(resp.HasChromeProxyViaHeader())
-    self.assertTrue(resp.IsValidByViaHeader())
-
-    # A proxied JPEG image response
-    resp = metrics.ChromeProxyResponse(
-        network_unittest.NetworkMetricTest.MakeNetworkTimelineEvent(
-            url='http://test.image',
-            response_headers={
-                'Content-Type': 'image/jpeg',
-                'Content-Encoding': 'gzip',
-                'Via': '1.1 ' + metrics.CHROME_PROXY_VIA_HEADER,
-                'X-Original-Content-Length': str(network_unittest.IMAGE_OCL),
-                },
-            body=base64.b64encode(network_unittest.IMAGE_BODY),
-            base64_encoded_body=True))
-    self.assertTrue(resp.ShouldHaveChromeProxyViaHeader())
-    self.assertTrue(resp.HasChromeProxyViaHeader())
-    self.assertTrue(resp.IsValidByViaHeader())
-
-  def testChromeProxyMetricForDataSaving(self):
-    metric = metrics.ChromeProxyMetric()
-    events = [
-        EVENT_HTML_DIRECT,
-        EVENT_HTML_PROXY_VIA,
-        EVENT_IMAGE_PROXY_CACHED,
-        EVENT_IMAGE_DIRECT]
-    metric.SetEvents(events)
-
-    self.assertTrue(len(events), len(list(metric.IterResponses(None))))
-    results = test_page_test_results.TestPageTestResults(self)
-
-    metric.AddResultsForDataSaving(None, results)
-    results.AssertHasPageSpecificScalarValue('resources_via_proxy', 'count', 2)
-    results.AssertHasPageSpecificScalarValue('resources_from_cache', 'count', 1)
-    results.AssertHasPageSpecificScalarValue('resources_direct', 'count', 2)
-
-    # Passing in zero responses should cause a failure.
-    metric.SetEvents([])
-    no_responses_exception = False
-    try:
-      metric.AddResultsForDataSaving(None, results)
-    except metrics.ChromeProxyMetricException:
-      no_responses_exception = True
-    self.assertTrue(no_responses_exception)
-
   def testChromeProxyMetricForHeaderValidation(self):
     metric = metrics.ChromeProxyMetric()
     metric.SetEvents([
         EVENT_HTML_DIRECT,
         EVENT_HTML_PROXY_VIA,
         EVENT_IMAGE_PROXY_CACHED,
         EVENT_IMAGE_DIRECT])
 
     results = test_page_test_results.TestPageTestResults(self)
 
     missing_via_exception = False
     try:
       metric.AddResultsForHeaderValidation(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       missing_via_exception = True
     # Only the HTTP image response does not have a valid Via header.
     self.assertTrue(missing_via_exception)
 
     # Two events with valid Via headers.
     metric.SetEvents([
         EVENT_HTML_PROXY_VIA,
         EVENT_IMAGE_PROXY_CACHED])
     metric.AddResultsForHeaderValidation(None, results)
     results.AssertHasPageSpecificScalarValue('checked_via_header', 'count', 2)
 
     # Passing in zero responses should cause a failure.
     metric.SetEvents([])
     no_responses_exception = False
     try:
       metric.AddResultsForHeaderValidation(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       no_responses_exception = True
     self.assertTrue(no_responses_exception)
 
   def testChromeProxyMetricForExtraViaHeader(self):
     metric = metrics.ChromeProxyMetric()
     metric.SetEvents([EVENT_HTML_DIRECT,
                       EVENT_HTML_PROXY_EXTRA_VIA])
     results = test_page_test_results.TestPageTestResults(self)
     metric.AddResultsForExtraViaHeader(None, results, TEST_EXTRA_VIA_HEADER)
     # The direct page should not count an extra via header, but should also not
     # throw an exception.
     results.AssertHasPageSpecificScalarValue('extra_via_header', 'count', 1)
 
     metric.SetEvents([EVENT_HTML_PROXY_VIA])
     exception_occurred = False
     try:
       metric.AddResultsForExtraViaHeader(None, results, TEST_EXTRA_VIA_HEADER)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       exception_occurred = True
     # The response had the chrome proxy via header, but not the extra expected
     # via header.
     self.assertTrue(exception_occurred)
 
   def testChromeProxyMetricForBypass(self):
     metric = metrics.ChromeProxyMetric()
     metric.SetEvents([
         EVENT_HTML_DIRECT,
         EVENT_HTML_PROXY_VIA,
         EVENT_IMAGE_PROXY_CACHED,
         EVENT_IMAGE_DIRECT])
     results = test_page_test_results.TestPageTestResults(self)
 
     bypass_exception = False
     try:
       metric.AddResultsForBypass(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       bypass_exception = True
     # Two of the first three events have Via headers.
     self.assertTrue(bypass_exception)
 
     # Use directly fetched image only. It is treated as bypassed.
     metric.SetEvents([EVENT_IMAGE_DIRECT])
     metric.AddResultsForBypass(None, results)
     results.AssertHasPageSpecificScalarValue('bypass', 'count', 1)
 
     # Passing in zero responses should cause a failure.
     metric.SetEvents([])
     no_responses_exception = False
     try:
       metric.AddResultsForBypass(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       no_responses_exception = True
     self.assertTrue(no_responses_exception)
 
   def testChromeProxyMetricForCorsBypass(self):
     metric = metrics.ChromeProxyMetric()
     metric.SetEvents([EVENT_HTML_PROXY_VIA,
                       EVENT_IMAGE_BYPASS,
                       EVENT_IMAGE_DIRECT])
     results = test_page_test_results.TestPageTestResults(self)
     metric.AddResultsForCorsBypass(None, results)
     results.AssertHasPageSpecificScalarValue('cors_bypass', 'count', 1)
 
     # Passing in zero responses should cause a failure.
     metric.SetEvents([])
     no_responses_exception = False
     try:
       metric.AddResultsForCorsBypass(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       no_responses_exception = True
     self.assertTrue(no_responses_exception)
 
   def testChromeProxyMetricForBlockOnce(self):
     metric = metrics.ChromeProxyMetric()
     metric.SetEvents([EVENT_HTML_DIRECT,
                       EVENT_IMAGE_PROXY_VIA])
     results = test_page_test_results.TestPageTestResults(self)
     metric.AddResultsForBlockOnce(None, results)
     results.AssertHasPageSpecificScalarValue('eligible_responses', 'count', 2)
     results.AssertHasPageSpecificScalarValue('bypass', 'count', 1)
 
     metric.SetEvents([EVENT_HTML_DIRECT,
                       EVENT_IMAGE_DIRECT])
     exception_occurred = False
     try:
       metric.AddResultsForBlockOnce(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       exception_occurred = True
     # The second response was over direct, but was expected via proxy.
     self.assertTrue(exception_occurred)
 
     # Passing in zero responses should cause a failure.
     metric.SetEvents([])
     no_responses_exception = False
     try:
       metric.AddResultsForBlockOnce(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       no_responses_exception = True
     self.assertTrue(no_responses_exception)
 
   def testChromeProxyMetricForSafebrowsingOn(self):
     metric = metrics.ChromeProxyMetric()
     metric.SetEvents([EVENT_MALWARE_PROXY])
     results = test_page_test_results.TestPageTestResults(self)
 
     metric.AddResultsForSafebrowsingOn(None, results)
     results.AssertHasPageSpecificScalarValue(
@@ skipping 12 matching lines @@
                       EVENT_IMAGE_PROXY_VIA_HTTP_FALLBACK])
     results = test_page_test_results.TestPageTestResults(self)
     metric.AddResultsForHTTPFallback(None, results)
     results.AssertHasPageSpecificScalarValue('via_fallback', 'count', 2)
 
     metric.SetEvents([EVENT_HTML_PROXY_VIA,
                       EVENT_IMAGE_PROXY_VIA])
     exception_occurred = False
     try:
       metric.AddResultsForHTTPFallback(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       exception_occurred = True
     # The responses came through the SPDY proxy, but were expected through the
     # HTTP fallback proxy.
     self.assertTrue(exception_occurred)
 
     # Passing in zero responses should cause a failure.
     metric.SetEvents([])
     no_responses_exception = False
     try:
       metric.AddResultsForHTTPFallback(None, results)
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       no_responses_exception = True
     self.assertTrue(no_responses_exception)
 
   def testChromeProxyMetricForHTTPToDirectFallback(self):
     metric = metrics.ChromeProxyMetric()
     metric.SetEvents([EVENT_HTML_PROXY_VIA_HTTP_FALLBACK,
                       EVENT_HTML_DIRECT,
                       EVENT_IMAGE_DIRECT])
     results = test_page_test_results.TestPageTestResults(self)
     metric.AddResultsForHTTPToDirectFallback(None, results, 'test.html2')
     results.AssertHasPageSpecificScalarValue('via_fallback', 'count', 1)
     results.AssertHasPageSpecificScalarValue('bypass', 'count', 2)
 
     metric.SetEvents([EVENT_HTML_PROXY_VIA,
                       EVENT_HTML_DIRECT])
     exception_occurred = False
     try:
       metric.AddResultsForHTTPToDirectFallback(None, results, 'test.html2')
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       exception_occurred = True
     # The first response was expected through the HTTP fallback proxy.
     self.assertTrue(exception_occurred)
 
     metric.SetEvents([EVENT_HTML_PROXY_VIA_HTTP_FALLBACK,
                       EVENT_HTML_PROXY_VIA_HTTP_FALLBACK,
                       EVENT_IMAGE_PROXY_VIA_HTTP_FALLBACK])
     exception_occurred = False
     try:
       metric.AddResultsForHTTPToDirectFallback(None, results, 'test.html2')
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       exception_occurred = True
     # All but the first response were expected to be over direct.
     self.assertTrue(exception_occurred)
 
     metric.SetEvents([EVENT_HTML_DIRECT,
                       EVENT_HTML_DIRECT,
                       EVENT_IMAGE_DIRECT])
     exception_occurred = False
     try:
       metric.AddResultsForHTTPToDirectFallback(None, results, 'test.html2')
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       exception_occurred = True
     # The first response was expected through the HTTP fallback proxy.
     self.assertTrue(exception_occurred)
 
     # Passing in zero responses should cause a failure.
     metric.SetEvents([])
     no_responses_exception = False
     try:
       metric.AddResultsForHTTPToDirectFallback(None, results, 'test.html2')
-    except metrics.ChromeProxyMetricException:
+    except common_metrics.ChromeProxyMetricException:
       no_responses_exception = True
     self.assertTrue(no_responses_exception)
+