origin_agent_cluster_browsertest.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "chrome/browser/metrics/metrics_memory_details.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/network_session_configurator/common/network_switches.h"
#include "components/page_load_metrics/browser/page_load_metrics_test_waiter.h"
#include "components/variations/active_field_trials.h"
#include "content/public/browser/site_isolation_policy.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/embedded_test_server/http_request.h"
#include "net/test/embedded_test_server/http_response.h"
#include "services/network/public/cpp/features.h"
#include "url/gurl.h"

Bucket;

namespace {

class TestMemoryDetails : public MetricsMemoryDetails { … };

// Matches a container of histogram samples, for the common case where the
// histogram received just one sample.
#define HasOneSample(x) …

}  // namespace

// General browsertests for the Origin-Agent-Cluster header can be found in
// content/browser/isolated_origin_browsertest.cc. However testing metrics
// related behavior is best done from chrome/; thus, this file exists.

class OriginAgentClusterBrowserTest : public InProcessBrowserTest { … };

class OriginAgentClusterDisabledBrowserTest
    : public OriginAgentClusterBrowserTest { … };  // class OriginAgentClusterDisabledBrowserTest

IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest, Navigations) { … }

IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsSimple) { … }

// Same as OriginAgentClusterBrowserTest.ProcessCountMetricsSimple, but with
// OriginAgentCluster disabled, so no metrics should be recorded.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterDisabledBrowserTest,
                       ProcessCountMetricsSimple) { … }

// In the case where we load an OAC origin with no base-origin, we expect zero
// overhead since the isolated origin only creates a single process, and no
// process is created for the base-origin.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsNoBaseOrigin) { … }

// We expect the OAC overhead to be zero when no OAC origins are present.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsNoOACs) { … }

// Two distinct OAC sub-origins with a base-origin should have an overhead of
// two processes.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsTwoSubOrigins) { … }

// This test loads the same base-origin with an isolated sub-origin in each of
// two tabs. Each tab represents a separate BrowsingInstance, so we expect the
// OAC overhead of 1 to be counted twice.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsTwoTabs) { … }

// Make sure command-line isolated origins don't trigger the OAC metrics.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsNoCmdLineIsolation) { … }

// Make sure command-line isolated origins don't trigger the OAC metrics.
// Same as ProcessCountMetricsNoCmdLineIsolation but isolated child has OAC.
// We don't consider this as overhead because the extra process would still
// exist for this user even without OAC.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsNoCmdLineIsolationWithOAC1) { … }

// Make sure command-line isolated origins don't trigger the OAC metrics.
// Same as ProcessCountMetricsNoCmdLineIsolation but both mainframe and child
// have OAC.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsNoCmdLineIsolationWithOAC2) { … }

// Make sure command-line isolated origins don't trigger the OAC metrics.
// Same as ProcessCountMetricsNoCmdLineIsolation but mainframe has OAC.
IN_PROC_BROWSER_TEST_F(OriginAgentClusterBrowserTest,
                       ProcessCountMetricsNoCmdLineIsolationWithOAC3) { … }
chromium/chrome/browser/site_isolation/origin_agent_cluster_browsertest.cc
