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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/metrics/perf/windowed_incognito_observer.h"
#include "base/test/bind.h"
#include "chrome/test/base/test_browser_window.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace metrics {
namespace {
// Allows access to some private methods for testing.
class TestWindowedIncognitoMonitor : public WindowedIncognitoMonitor {
public:
TestWindowedIncognitoMonitor() : WindowedIncognitoMonitor() {}
TestWindowedIncognitoMonitor(const TestWindowedIncognitoMonitor&) = delete;
TestWindowedIncognitoMonitor& operator=(const TestWindowedIncognitoMonitor&) =
delete;
int num_on_browser_added() { return num_on_browser_added_; }
int num_on_browser_removed() { return num_on_browser_removed_; }
using WindowedIncognitoMonitor::num_active_incognito_windows;
using WindowedIncognitoMonitor::num_incognito_window_opened;
private:
// BrowserListObserver implementation.
void OnBrowserAdded(Browser* browser) override {
num_on_browser_added_++;
WindowedIncognitoMonitor::OnBrowserAdded(browser);
}
void OnBrowserRemoved(Browser* browser) override {
num_on_browser_removed_++;
WindowedIncognitoMonitor::OnBrowserRemoved(browser);
}
int num_on_browser_added_ = 0;
int num_on_browser_removed_ = 0;
};
} // namespace
class WindowedIncognitoMonitorTest : public testing::Test {
public:
WindowedIncognitoMonitorTest() = default;
WindowedIncognitoMonitorTest(const WindowedIncognitoMonitorTest&) = delete;
WindowedIncognitoMonitorTest& operator=(const WindowedIncognitoMonitorTest&) =
delete;
void SetUp() override {
// Instantiate a testing profile.
TestingProfile::Builder profile_builder;
profile_ = profile_builder.Build();
incognito_monitor_ = std::make_unique<TestWindowedIncognitoMonitor>();
}
void TearDown() override {
incognito_monitor_.reset();
profile_.reset();
}
size_t OpenBrowserWindow(bool incognito) {
auto browser_window = std::make_unique<TestBrowserWindow>();
Profile* browser_profile =
incognito ? profile_->GetPrimaryOTRProfile(/*create_if_needed=*/true)
: profile_.get();
Browser::CreateParams params(browser_profile, true);
params.type = Browser::TYPE_NORMAL;
params.window = browser_window.get();
auto browser = Browser::DeprecatedCreateOwnedForTesting(params);
size_t handle = next_browser_id++;
open_browsers_[handle] =
std::make_pair(std::move(browser_window), std::move(browser));
return handle;
}
// Closes the browser window with the given handle.
void CloseBrowserWindow(size_t handle) {
auto it = open_browsers_.find(handle);
ASSERT_FALSE(it == open_browsers_.end());
open_browsers_.erase(it);
}
protected:
content::BrowserTaskEnvironment task_environment_;
// The associated testing browser profile.
std::unique_ptr<TestingProfile> profile_;
// Keep track of the open browsers and accompanying windows.
std::unordered_map<
size_t,
std::pair<std::unique_ptr<TestBrowserWindow>, std::unique_ptr<Browser>>>
open_browsers_;
static size_t next_browser_id;
std::unique_ptr<TestWindowedIncognitoMonitor> incognito_monitor_;
};
size_t WindowedIncognitoMonitorTest::next_browser_id = 1;
// Test that BrowserListObserver callbacks work as expected.
TEST_F(WindowedIncognitoMonitorTest, CheckSetup) {
// Open a normal window.
size_t window1 = OpenBrowserWindow(false);
EXPECT_EQ(incognito_monitor_->num_on_browser_added(), 1);
EXPECT_EQ(incognito_monitor_->num_on_browser_removed(), 0);
// Close the normal window.
CloseBrowserWindow(window1);
EXPECT_EQ(incognito_monitor_->num_on_browser_added(), 1);
EXPECT_EQ(incognito_monitor_->num_on_browser_removed(), 1);
// Open an incognito window.
size_t window2 = OpenBrowserWindow(true);
EXPECT_EQ(incognito_monitor_->num_on_browser_added(), 2);
EXPECT_EQ(incognito_monitor_->num_on_browser_removed(), 1);
// Open a normal window.
size_t window3 = OpenBrowserWindow(false);
EXPECT_EQ(incognito_monitor_->num_on_browser_added(), 3);
EXPECT_EQ(incognito_monitor_->num_on_browser_removed(), 1);
// Close the normal window.
CloseBrowserWindow(window3);
EXPECT_EQ(incognito_monitor_->num_on_browser_added(), 3);
EXPECT_EQ(incognito_monitor_->num_on_browser_removed(), 2);
// Close the incognito window.
CloseBrowserWindow(window2);
EXPECT_EQ(incognito_monitor_->num_on_browser_added(), 3);
EXPECT_EQ(incognito_monitor_->num_on_browser_removed(), 3);
}
// Test that incognito window state is recorded correctly.
TEST_F(WindowedIncognitoMonitorTest, NumIncognitoWindow) {
// Open a normal window. This doesn't affect incognito state.
size_t window1 = OpenBrowserWindow(false);
EXPECT_EQ(incognito_monitor_->num_active_incognito_windows(), 0);
EXPECT_EQ(incognito_monitor_->num_incognito_window_opened(), 0U);
// Close the normal window.
CloseBrowserWindow(window1);
EXPECT_EQ(incognito_monitor_->num_active_incognito_windows(), 0);
EXPECT_EQ(incognito_monitor_->num_incognito_window_opened(), 0U);
// Open an incognito window.
size_t window2 = OpenBrowserWindow(true);
EXPECT_EQ(incognito_monitor_->num_active_incognito_windows(), 1);
EXPECT_EQ(incognito_monitor_->num_incognito_window_opened(), 1U);
// Open another incognito window.
size_t window3 = OpenBrowserWindow(true);
EXPECT_EQ(incognito_monitor_->num_active_incognito_windows(), 2);
EXPECT_EQ(incognito_monitor_->num_incognito_window_opened(), 2U);
// Close an incognito window.
CloseBrowserWindow(window3);
EXPECT_EQ(incognito_monitor_->num_active_incognito_windows(), 1);
EXPECT_EQ(incognito_monitor_->num_incognito_window_opened(), 2U);
// Close the final incognito window.
CloseBrowserWindow(window2);
EXPECT_EQ(incognito_monitor_->num_active_incognito_windows(), 0);
EXPECT_EQ(incognito_monitor_->num_incognito_window_opened(), 2U);
}
// Test that WindowedIncognitoObserver returns the correct incognito state.
TEST_F(WindowedIncognitoMonitorTest, IncognitoObserver) {
auto observer1 = incognito_monitor_->CreateObserver();
EXPECT_FALSE(observer1->IncognitoActive());
EXPECT_FALSE(observer1->IncognitoLaunched());
// Open an incognito window.
size_t window1 = OpenBrowserWindow(true);
EXPECT_TRUE(observer1->IncognitoActive());
EXPECT_TRUE(observer1->IncognitoLaunched());
// |observer2| is created after incognito window is opened.
auto observer2 = incognito_monitor_->CreateObserver();
EXPECT_TRUE(observer2->IncognitoActive());
EXPECT_FALSE(observer2->IncognitoLaunched());
// Open another incognito window.
size_t window2 = OpenBrowserWindow(true);
EXPECT_TRUE(observer1->IncognitoActive());
EXPECT_TRUE(observer1->IncognitoLaunched());
EXPECT_TRUE(observer2->IncognitoActive());
EXPECT_TRUE(observer2->IncognitoLaunched());
// Close all incognito windows.
CloseBrowserWindow(window1);
CloseBrowserWindow(window2);
EXPECT_FALSE(observer1->IncognitoActive());
EXPECT_TRUE(observer1->IncognitoLaunched());
EXPECT_FALSE(observer2->IncognitoActive());
EXPECT_TRUE(observer2->IncognitoLaunched());
// An observer created now should not see incognito active of launched.
auto observer3 = incognito_monitor_->CreateObserver();
EXPECT_FALSE(observer3->IncognitoActive());
EXPECT_FALSE(observer3->IncognitoLaunched());
size_t window3 = OpenBrowserWindow(true);
EXPECT_TRUE(observer3->IncognitoActive());
EXPECT_TRUE(observer3->IncognitoLaunched());
CloseBrowserWindow(window3);
EXPECT_FALSE(observer3->IncognitoActive());
EXPECT_TRUE(observer3->IncognitoLaunched());
}
} // namespace metrics
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