network_request_metrics_browsertest.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <memory>
#include <string>
#include <vector>

#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/browser/download/download_prefs.h"
#include "chrome/browser/predictors/loading_predictor_config.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/metrics/content/subprocess_metrics_provider.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/download_test_observer.h"
#include "content/public/test/test_navigation_observer.h"
#include "net/base/filename_util.h"
#include "net/base/net_errors.h"
#include "net/http/http_connection_info.h"
#include "net/test/embedded_test_server/controllable_http_response.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/mojom/loader/resource_load_info.mojom.h"
#include "ui/base/window_open_disposition.h"
#include "url/gurl.h"

namespace content {
namespace {

// Used for the main frame, in subresource tests.
constexpr char kUninterestingMainFramePath[] = …;

// Used for the "interesting" request individual tests focus on.
constexpr char kInterestingPath[] = …;

enum class RequestType { … };

enum class HeadersReceived { … };

enum class NetworkAccessed { … };

// Utility class to wait until the main resource load is complete. This is to
// make sure, in the cancel tests, the main resource is fully loaded before the
// navigation is cancelled, to ensure the main frame load histograms are in a
// consistent state, and can be checked at the end of each test. To avoid races,
// create this class before starting a navigation.
class WaitForMainFrameResourceObserver : public content::WebContentsObserver { … };

// This test fixture tests code in content/. The fixture itself is in chrome/
// because SubprocessMetricsProvider is a chrome-only test class.
class NetworkRequestMetricsBrowserTest
    : public InProcessBrowserTest,
      public testing::WithParamInterface<RequestType> { … };

// Testing before headers / during body is most interesting in the frame case,
// as it checks the before and after commit case, which follow very different
// paths.
IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest,
                       NetErrorBeforeHeaders) { … }

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest, NetErrorDuringBody) { … }

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest, CancelBeforeHeaders) { … }

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest, CancelDuringBody) { … }

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest,
                       InterruptedBeforeHeaders) { … }

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest,
                       InterruptedCancelDuringBody) { … }

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest, SuccessWithBody) { … }

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest, SuccessWithEmptyBody) { … }

// Downloads should not be logged (Either as successes or failures).
IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest, Download) { … }

// A few tests for file:// URLs, so that URLs not handled by the network service
// itself have some coverage.

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest, FileURLError) { … }

IN_PROC_BROWSER_TEST_P(NetworkRequestMetricsBrowserTest, FileURLSuccess) { … }

INSTANTIATE_TEST_SUITE_P(…);

}  //  namespace
}  // namespace content
chromium/chrome/browser/net/network_request_metrics_browsertest.cc
