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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/segmentation_platform/embedder/input_delegate/tab_session_source.h"
#include <math.h>
#include <memory>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "components/segmentation_platform/internal/execution/processing/feature_processor_state.h"
#include "components/segmentation_platform/internal/metadata/metadata_writer.h"
#include "components/segmentation_platform/public/input_context.h"
#include "components/sessions/core/serialized_navigation_entry.h"
#include "components/sessions/core/session_id.h"
#include "components/sync_sessions/synced_session.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/page_transition_types.h"
namespace segmentation_platform::processing {
namespace {
using ::testing::_;
using ::testing::Return;
constexpr char kLocalTabName[] = "local";
constexpr char kRemoteTabName1[] = "remote_1";
constexpr char kRemoteTabName2[] = "remote_2";
const base::TimeDelta kTime1 = base::Minutes(15);
const base::TimeDelta kTime2 = base::Minutes(10);
const base::TimeDelta kTime3 = base::Minutes(5);
std::unique_ptr<sync_sessions::SyncedSession> CreateNewSession(
const std::string& tab_guid,
const base::Time& session_time) {
auto session = std::make_unique<sync_sessions::SyncedSession>();
session->SetModifiedTime(session_time);
auto window = std::make_unique<sync_sessions::SyncedSessionWindow>();
auto tab = std::make_unique<sessions::SessionTab>();
tab->timestamp = session_time;
tab->guid = tab_guid;
window->wrapped_window.tabs.push_back(std::move(tab));
session->windows[SessionID::NewUnique()] = std::move(window);
return session;
}
class MockSessionSyncService : public sync_sessions::SessionSyncService {
public:
MockSessionSyncService() = default;
~MockSessionSyncService() override = default;
MOCK_METHOD(syncer::GlobalIdMapper*,
GetGlobalIdMapper,
(),
(const, override));
MOCK_METHOD(sync_sessions::OpenTabsUIDelegate*,
GetOpenTabsUIDelegate,
(),
(override));
MOCK_METHOD(base::CallbackListSubscription,
SubscribeToForeignSessionsChanged,
(const base::RepeatingClosure& cb),
(override));
MOCK_METHOD(base::WeakPtr<syncer::DataTypeControllerDelegate>,
GetControllerDelegate,
());
};
class MockOpenTabsUIDelegate : public sync_sessions::OpenTabsUIDelegate {
public:
MockOpenTabsUIDelegate() {
local_session_ =
CreateNewSession(kLocalTabName, base::Time::Now() - kTime2);
foreign_sessions_owned_.push_back(
CreateNewSession(kRemoteTabName1, base::Time::Now() - kTime1));
foreign_sessions_.push_back(foreign_sessions_owned_.back().get());
foreign_sessions_owned_.push_back(
CreateNewSession(kRemoteTabName2, base::Time::Now() - kTime3));
foreign_sessions_.push_back(foreign_sessions_owned_.back().get());
}
bool GetAllForeignSessions(
std::vector<raw_ptr<const sync_sessions::SyncedSession,
VectorExperimental>>* sessions) override {
*sessions = foreign_sessions_;
std::ranges::sort(*sessions, std::greater(),
[](const sync_sessions::SyncedSession* session) {
return session->GetModifiedTime();
});
return !sessions->empty();
}
bool GetLocalSession(
const sync_sessions::SyncedSession** local_session) override {
*local_session = local_session_.get();
return *local_session != nullptr;
}
MOCK_METHOD3(GetForeignTab,
bool(const std::string& tag,
const SessionID tab_id,
const sessions::SessionTab** tab));
MOCK_METHOD1(DeleteForeignSession, void(const std::string& tag));
MOCK_METHOD1(
GetForeignSession,
std::vector<const sessions::SessionWindow*>(const std::string& tag));
MOCK_METHOD2(GetForeignSessionTabs,
bool(const std::string& tag,
std::vector<const sessions::SessionTab*>* tabs));
private:
std::vector<std::unique_ptr<sync_sessions::SyncedSession>>
foreign_sessions_owned_;
std::vector<raw_ptr<const sync_sessions::SyncedSession, VectorExperimental>>
foreign_sessions_;
std::unique_ptr<sync_sessions::SyncedSession> local_session_;
};
} // namespace
class TabSessionSourceTest : public testing::Test {
public:
TabSessionSourceTest() = default;
~TabSessionSourceTest() override = default;
void SetUp() override {
Test::SetUp();
tab_fetcher_ = std::make_unique<TabFetcher>(&session_sync_service_);
tab_source_ = std::make_unique<TabSessionSource>(&session_sync_service_,
tab_fetcher_.get());
EXPECT_CALL(session_sync_service_, GetOpenTabsUIDelegate())
.WillRepeatedly(Return(&open_tabs_delegate_));
}
void TearDown() override {
Test::TearDown();
tab_source_.reset();
}
Tensor GetResult(const std::string& session_tag, const SessionID& tab_id) {
scoped_refptr<InputContext> input_context =
base::MakeRefCounted<InputContext>();
input_context->metadata_args.emplace(
"session_tag", processing::ProcessedValue(session_tag));
input_context->metadata_args.emplace(
"tab_id", processing::ProcessedValue(tab_id.id()));
proto::SegmentationModelMetadata metadata;
MetadataWriter writer(&metadata);
proto::CustomInput* input =
writer.AddCustomInput(MetadataWriter::CustomInput{
.tensor_length = 7,
.fill_policy = proto::CustomInput::FILL_TAB_METRICS,
.name = "tab"});
FeatureProcessorState state;
state.set_input_context_for_testing(input_context);
base::RunLoop wait;
Tensor result;
tab_source_->Process(*input, state,
base::BindOnce(
[](Tensor* result, base::OnceClosure quit_closure,
bool success, Tensor features) {
result->swap(features);
std::move(quit_closure).Run();
},
&result, wait.QuitClosure()));
wait.Run();
return result;
}
protected:
base::test::TaskEnvironment task_env_;
MockSessionSyncService session_sync_service_;
std::unique_ptr<TabFetcher> tab_fetcher_;
MockOpenTabsUIDelegate open_tabs_delegate_;
std::unique_ptr<TabSessionSource> tab_source_;
};
TEST_F(TabSessionSourceTest, Bucketize) {
EXPECT_NEAR(TabSessionSource::BucketizeExp(0, /*max_buckets*/50), 0, 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeLinear(0, /*max_buckets*/10), 0, 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeExp(1, /*max_buckets*/50), 1, 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeLinear(1, /*max_buckets*/10), 1, 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeExp(5, /*max_buckets*/50), 4, 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeLinear(5, /*max_buckets*/10), 5, 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeExp(10, /*max_buckets*/50), 8, 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeLinear(10, /*max_buckets*/10), 10, 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeExp(pow(2, 60), /*max_buckets*/50), pow(2, 50), 0.01);
EXPECT_NEAR(TabSessionSource::BucketizeLinear(16, /*max_buckets*/10), 10, 0.01);
}
TEST_F(TabSessionSourceTest, ProcessLocal) {
const sync_sessions::SyncedSession* local_session = nullptr;
ASSERT_TRUE(session_sync_service_.GetOpenTabsUIDelegate()->GetLocalSession(
&local_session));
auto& picked_tab =
local_session->windows.begin()->second->wrapped_window.tabs[0];
const base::TimeDelta kNavTime1 = base::Seconds(40);
const base::TimeDelta kNavTime2 = base::Seconds(25);
picked_tab->navigations.emplace_back();
picked_tab->navigations.back().set_timestamp(base::Time::Now() - kNavTime1);
picked_tab->navigations.emplace_back();
picked_tab->navigations.back().set_timestamp(base::Time::Now() - kNavTime2);
picked_tab->navigations.back().set_transition_type(
ui::PAGE_TRANSITION_AUTO_SUBFRAME);
picked_tab->current_navigation_index = 1;
SessionID id = picked_tab->tab_id;
EXPECT_CALL(open_tabs_delegate_, GetForeignTab(_, _, _))
.WillOnce([&picked_tab](const std::string& tag, SessionID tab_id,
const sessions::SessionTab** tab) {
*tab = picked_tab.get();
return true;
});
EXPECT_CALL(open_tabs_delegate_, GetForeignSession(_))
.WillOnce([&local_session](const std::string& tag) {
std::vector<const sessions::SessionWindow*> windows;
for (const auto& [window_id, window] : local_session->windows) {
windows.push_back(&window->wrapped_window);
}
return windows;
});
Tensor result = GetResult(local_session->GetSessionTag(), id);
EXPECT_NEAR(result[TabSessionSource::kInputTimeSinceModifiedSec].float_val,
TabSessionSource::BucketizeExp(kTime2.InSecondsF(), 50), 0.001);
EXPECT_NEAR(result[TabSessionSource::kInputTimeSinceLastNavSec].float_val,
TabSessionSource::BucketizeExp(kNavTime2.InSecondsF(), 50),
0.001);
EXPECT_NEAR(result[TabSessionSource::kInputTimeSinceFirstNavSec].float_val,
TabSessionSource::BucketizeExp(kNavTime1.InSecondsF(), 50),
0.001);
EXPECT_NEAR(result[TabSessionSource::kInputLastTransitionType].float_val,
static_cast<int>(ui::PAGE_TRANSITION_AUTO_SUBFRAME), 0.001);
EXPECT_NEAR(result[TabSessionSource::kInputTabRankInSession].float_val, 0,
0.001);
EXPECT_NEAR(result[TabSessionSource::kInputSessionRank].float_val, 1, 0.001);
}
TEST_F(TabSessionSourceTest, ProcessForeign) {
std::vector<raw_ptr<const sync_sessions::SyncedSession, VectorExperimental>>
foreign_sessions;
ASSERT_TRUE(
session_sync_service_.GetOpenTabsUIDelegate()->GetAllForeignSessions(
&foreign_sessions));
const auto* picked_session = foreign_sessions[0].get();
auto& picked_tab =
picked_session->windows.begin()->second->wrapped_window.tabs[0];
const base::TimeDelta kNavTime1 = base::Seconds(40);
picked_tab->navigations.emplace_back();
picked_tab->navigations.back().set_timestamp(base::Time::Now() - kNavTime1);
picked_tab->current_navigation_index = 1;
SessionID id = picked_tab->tab_id;
EXPECT_CALL(open_tabs_delegate_, GetForeignTab(_, _, _))
.WillOnce([&picked_tab](const std::string& tag, SessionID tab_id,
const sessions::SessionTab** tab) {
*tab = picked_tab.get();
return true;
});
EXPECT_CALL(open_tabs_delegate_, GetForeignSession(_))
.WillOnce([&picked_session](const std::string& tag) {
std::vector<const sessions::SessionWindow*> windows;
for (const auto& [window_id, window] : picked_session->windows) {
windows.push_back(&window->wrapped_window);
}
return windows;
});
Tensor result = GetResult(picked_session->GetSessionTag(), id);
EXPECT_NEAR(result[TabSessionSource::kInputTimeSinceModifiedSec].float_val,
TabSessionSource::BucketizeExp(kTime3.InSecondsF(), 50), 0.001);
EXPECT_NEAR(result[TabSessionSource::kInputTimeSinceLastNavSec].float_val,
TabSessionSource::BucketizeExp(kNavTime1.InSecondsF(), 50),
0.001);
EXPECT_NEAR(result[TabSessionSource::kInputTimeSinceFirstNavSec].float_val,
TabSessionSource::BucketizeExp(kNavTime1.InSecondsF(), 50),
0.001);
EXPECT_NEAR(result[TabSessionSource::kInputLastTransitionType].float_val,
static_cast<int>(ui::PAGE_TRANSITION_TYPED), 0.001);
EXPECT_NEAR(result[TabSessionSource::kInputTabRankInSession].float_val, 0,
0.001);
EXPECT_NEAR(result[TabSessionSource::kInputSessionRank].float_val, 0, 0.001);
}
} // namespace segmentation_platform::processing
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