Support for identifying traffic type in data use ascriber

chrome/browser/data_use_measurement/chrome_data_use_ascriber_unittest.cc

 // Copyright 2016 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.
 
 #include "chrome/browser/data_use_measurement/chrome_data_use_ascriber.h"
 
 #include <list>
 #include <memory>
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "components/data_use_measurement/core/data_use_recorder.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/common/browser_side_navigation_policy.h"
 #include "content/public/common/previews_state.h"
 #include "content/public/common/process_type.h"
 #include "content/public/test/mock_resource_context.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 int kRenderProcessId = 1;
 int kRenderFrameId = 2;
 int kRequestId = 3;
+void* kNavigationHandle = &kNavigationHandle;
 }
 
 namespace data_use_measurement {
 
 class ChromeDataUseAscriberTest : public testing::Test {
  protected:
   ChromeDataUseAscriberTest()
       : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP),
         resource_context_(new content::MockResourceContext(&context_)) {}
 
@@ skipping 127 matching lines @@
                                  -1);
   ascriber()->RenderFrameHostChanged(kRenderProcessId, kRenderFrameId,
                                      kRenderProcessId + 1, kRenderFrameId + 1);
   ascriber()->RenderFrameDeleted(kRenderProcessId, kRenderFrameId, -1, -1);
 
   ascriber()->WasShownOrHidden(kRenderProcessId + 1, kRenderFrameId + 1, true);
   ascriber()->RenderFrameDeleted(kRenderProcessId + 1, kRenderFrameId + 1, -1,
                                  -1);
 }
 
+TEST_F(ChromeDataUseAscriberTest, MainFrameNavigation) {
+  if (content::IsBrowserSideNavigationEnabled())
+    return;
+
+  std::unique_ptr<net::URLRequest> request = CreateNewRequest(
+      "http://test.com", true, kRequestId, kRenderProcessId, kRenderFrameId);
+
+  // Mainframe is created.
+  ascriber()->RenderFrameCreated(kRenderProcessId, kRenderFrameId, -1, -1);
+  EXPECT_EQ(1u, recorders().size());
+
+  // Request should cause a recorder to be created.
+  ascriber()->OnBeforeUrlRequest(request.get());
+  EXPECT_EQ(2u, recorders().size());
+
+  // Navigation starts.
+  ascriber()->DidStartMainFrameNavigation(GURL("http://test.com"),
+                                          kRenderProcessId, kRenderFrameId,
+                                          kNavigationHandle);
+
+  ascriber()->ReadyToCommitMainFrameNavigation(
+      GURL("http://mobile.test.com"),
+      content::GlobalRequestID(kRenderProcessId, 0), kRenderProcessId,
+      kRenderFrameId, false, kNavigationHandle);
+
+  // Navigation commit should merge the two data use recorder entries.
+  EXPECT_EQ(1u, recorders().size());
+  auto& recorder_entry = recorders().front();
+  EXPECT_EQ(RenderFrameHostID(kRenderProcessId, kRenderFrameId),
+            recorder_entry.main_frame_id());
+  EXPECT_EQ(content::GlobalRequestID(kRenderProcessId, 0),
+            recorder_entry.main_frame_request_id());
+  EXPECT_EQ(GURL("http://mobile.test.com"), recorder_entry.data_use().url());
+  EXPECT_EQ(DataUse::TrafficType::USER_TRAFFIC,
+            recorder_entry.data_use().traffic_type());
+
+  ascriber()->RenderFrameDeleted(kRenderProcessId, kRenderFrameId, -1, -1);
+  ascriber()->OnUrlRequestDestroyed(request.get());
+
+  EXPECT_EQ(0u, recorders().size());
+}
+
 }  // namespace data_use_measurement