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// Copyright 2021 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/sessions/session_service_log.h"
#include <stddef.h>
#include <list>
#include <memory>
#include <optional>
#include "base/command_line.h"
#include "base/containers/adapters.h"
#include "base/memory/raw_ptr.h"
#include "build/build_config.h"
#include "chrome/browser/prefs/session_startup_pref.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/resource_coordinator/session_restore_policy.h"
#include "chrome/browser/sessions/session_restore_test_helper.h"
#include "chrome/browser/sessions/session_restore_test_utils.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/startup/startup_types.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/keep_alive_registry/keep_alive_types.h"
#include "components/keep_alive_registry/scoped_keep_alive.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "ui/base/page_transition_types.h"
class SessionServiceLogTest : public InProcessBrowserTest {
public:
SessionServiceLogTest() = default;
~SessionServiceLogTest() override = default;
protected:
#if BUILDFLAG(IS_CHROMEOS)
void SetUpCommandLine(base::CommandLine* command_line) override {
// TODO(nkostylev): Investigate if we can remove this switch.
command_line->AppendSwitch(switches::kCreateBrowserOnStartupForTests);
}
#endif
void PreRunTestOnMainThread() override {
InProcessBrowserTest::PreRunTestOnMainThread();
ASSERT_TRUE(browser());
profile_ = browser()->profile();
ASSERT_TRUE(profile_);
}
void SetUpOnMainThread() override {
SessionStartupPref pref(SessionStartupPref::LAST);
SessionStartupPref::SetStartupPref(browser()->profile(), pref);
}
std::optional<SessionServiceEvent> FindMostRecentEventOfType(
SessionServiceEventLogType type) const {
auto events = GetSessionServiceEvents(profile_);
for (const SessionServiceEvent& event : base::Reversed(events)) {
if (event.type == type)
return event;
}
return std::nullopt;
}
std::list<SessionServiceEvent>::reverse_iterator
AdvanceToMostRecentEventOfType(
const std::list<SessionServiceEvent>& events,
std::list<SessionServiceEvent>::reverse_iterator start,
SessionServiceEventLogType type) {
while (start != events.rend() && start->type != type)
++start;
return start;
}
int GetEventCountOfType(SessionServiceEventLogType type) const {
int count = 0;
for (const auto& event : GetSessionServiceEvents(profile_)) {
if (event.type == type)
++count;
}
return count;
}
protected:
// Cached as browser() may be destroyed.
raw_ptr<Profile, AcrossTasksDanglingUntriaged> profile_ = nullptr;
std::unique_ptr<ScopedKeepAlive> keep_alive_;
};
IN_PROC_BROWSER_TEST_F(SessionServiceLogTest, ExitEvent) {
// A start event should always be logged.
EXPECT_TRUE(FindMostRecentEventOfType(SessionServiceEventLogType::kStart));
ui_test_utils::NavigateToURLWithDisposition(
browser(), GURL(url::kAboutBlankURL),
WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
ui_test_utils::NavigateToURLWithDisposition(
browser(), GURL(url::kAboutBlankURL),
WindowOpenDisposition::NEW_BACKGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
EXPECT_FALSE(FindMostRecentEventOfType(SessionServiceEventLogType::kExit));
const int tab_count = browser()->tab_strip_model()->count();
CloseBrowserSynchronously(browser());
auto exit_event =
FindMostRecentEventOfType(SessionServiceEventLogType::kExit);
ASSERT_TRUE(exit_event);
EXPECT_EQ(1, exit_event->data.exit.window_count);
EXPECT_EQ(tab_count, exit_event->data.exit.tab_count);
}
IN_PROC_BROWSER_TEST_F(SessionServiceLogTest, PRE_RestoreEvent) {
// A start event should always be logged.
EXPECT_TRUE(FindMostRecentEventOfType(SessionServiceEventLogType::kStart));
ui_test_utils::NavigateToURLWithDisposition(
browser(), GURL(url::kAboutBlankURL),
WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
ui_test_utils::NavigateToURLWithDisposition(
browser(), GURL(url::kAboutBlankURL),
WindowOpenDisposition::NEW_BACKGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
Browser* new_browser = chrome::OpenEmptyWindow(profile_);
ASSERT_EQ(2u, BrowserList::GetInstance()->size());
ui_test_utils::NavigateToURLWithDisposition(
new_browser, GURL(url::kAboutBlankURL),
WindowOpenDisposition::CURRENT_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
}
IN_PROC_BROWSER_TEST_F(SessionServiceLogTest, RestoreEvent) {
auto events = GetSessionServiceEvents(profile_);
// There should be a restore.
auto iter = events.rbegin();
iter = AdvanceToMostRecentEventOfType(events, iter,
SessionServiceEventLogType::kRestore);
ASSERT_TRUE(iter != events.rend());
EXPECT_EQ(2, iter->data.restore.window_count);
EXPECT_EQ(4, iter->data.restore.tab_count);
// Preceded by a start (for this test).
iter = AdvanceToMostRecentEventOfType(events, iter,
SessionServiceEventLogType::kStart);
ASSERT_TRUE(iter != events.rend());
// Exit.
iter = AdvanceToMostRecentEventOfType(events, iter,
SessionServiceEventLogType::kExit);
ASSERT_TRUE(iter != events.rend());
EXPECT_EQ(2, iter->data.exit.window_count);
EXPECT_EQ(4, iter->data.exit.tab_count);
// And another start from PRE_ test.
iter = AdvanceToMostRecentEventOfType(events, iter,
SessionServiceEventLogType::kStart);
ASSERT_TRUE(iter != events.rend());
}
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