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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/tether/active_host.h"
#include <memory>
#include <optional>
#include "base/functional/bind.h"
#include "base/memory/ptr_util.h"
#include "chromeos/ash/components/multidevice/remote_device_ref.h"
#include "chromeos/ash/components/multidevice/remote_device_test_util.h"
#include "chromeos/ash/components/tether/fake_tether_host_fetcher.h"
#include "components/sync_preferences/testing_pref_service_syncable.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash::tether {
namespace {
struct GetActiveHostResult {
ActiveHost::ActiveHostStatus active_host_status;
std::optional<multidevice::RemoteDeviceRef> remote_device;
std::string tether_network_guid;
std::string wifi_network_guid;
bool operator==(const GetActiveHostResult& other) const {
return active_host_status == other.active_host_status &&
remote_device == other.remote_device &&
tether_network_guid == other.tether_network_guid &&
wifi_network_guid == other.wifi_network_guid;
}
};
class TestObserver final : public ActiveHost::Observer {
public:
void OnActiveHostChanged(
const ActiveHost::ActiveHostChangeInfo& change_info) override {
host_changed_updates_.push_back(change_info);
}
std::vector<ActiveHost::ActiveHostChangeInfo>& host_changed_updates() {
return host_changed_updates_;
}
private:
std::vector<ActiveHost::ActiveHostChangeInfo> host_changed_updates_;
};
} // namespace
class ActiveHostTest : public testing::Test {
public:
ActiveHostTest()
: test_devices_(multidevice::CreateRemoteDeviceRefListForTest(4)) {}
ActiveHostTest(const ActiveHostTest&) = delete;
ActiveHostTest& operator=(const ActiveHostTest&) = delete;
void SetUp() override {
get_active_host_results_.clear();
test_pref_service_ =
std::make_unique<sync_preferences::TestingPrefServiceSyncable>();
fake_tether_host_fetcher_ =
std::make_unique<FakeTetherHostFetcher>(test_devices_[0]);
ActiveHost::RegisterPrefs(test_pref_service_->registry());
active_host_ = std::make_unique<ActiveHost>(fake_tether_host_fetcher_.get(),
test_pref_service_.get());
test_observer_ = base::WrapUnique(new TestObserver);
active_host_->AddObserver(test_observer_.get());
}
void OnActiveHostFetched(
ActiveHost::ActiveHostStatus active_host_status,
std::optional<multidevice::RemoteDeviceRef> active_host,
const std::string& tether_network_guid,
const std::string& wifi_network_guid) {
get_active_host_results_.push_back(
GetActiveHostResult{active_host_status, active_host,
tether_network_guid, wifi_network_guid});
}
void VerifyActiveHostDisconnected() {
EXPECT_EQ(ActiveHost::ActiveHostStatus::DISCONNECTED,
active_host_->GetActiveHostStatus());
EXPECT_TRUE(active_host_->GetActiveHostDeviceId().empty());
EXPECT_TRUE(active_host_->GetWifiNetworkGuid().empty());
EXPECT_TRUE(active_host_->GetTetherNetworkGuid().empty());
active_host_->GetActiveHost(base::BindOnce(
&ActiveHostTest::OnActiveHostFetched, base::Unretained(this)));
ASSERT_EQ(1u, get_active_host_results_.size());
EXPECT_EQ((GetActiveHostResult{ActiveHost::ActiveHostStatus::DISCONNECTED,
std::nullopt, std::string(), std::string()}),
get_active_host_results_[0]);
}
const multidevice::RemoteDeviceRefList test_devices_;
std::unique_ptr<sync_preferences::TestingPrefServiceSyncable>
test_pref_service_;
std::unique_ptr<FakeTetherHostFetcher> fake_tether_host_fetcher_;
std::unique_ptr<TestObserver> test_observer_;
std::vector<GetActiveHostResult> get_active_host_results_;
std::unique_ptr<ActiveHost> active_host_;
};
TEST_F(ActiveHostTest, TestDefaultValues) {
VerifyActiveHostDisconnected();
}
TEST_F(ActiveHostTest, TestDisconnected) {
active_host_->SetActiveHostDisconnected();
VerifyActiveHostDisconnected();
}
TEST_F(ActiveHostTest, TestConnecting) {
active_host_->SetActiveHostConnecting(test_devices_[0].GetDeviceId(),
"tetherNetworkGuid");
EXPECT_EQ(ActiveHost::ActiveHostStatus::CONNECTING,
active_host_->GetActiveHostStatus());
EXPECT_EQ(test_devices_[0].GetDeviceId(),
active_host_->GetActiveHostDeviceId());
EXPECT_EQ("tetherNetworkGuid", active_host_->GetTetherNetworkGuid());
EXPECT_TRUE(active_host_->GetWifiNetworkGuid().empty());
active_host_->GetActiveHost(base::BindOnce(
&ActiveHostTest::OnActiveHostFetched, base::Unretained(this)));
ASSERT_EQ(1u, get_active_host_results_.size());
EXPECT_EQ(
(GetActiveHostResult{
ActiveHost::ActiveHostStatus::CONNECTING,
std::make_optional<multidevice::RemoteDeviceRef>(test_devices_[0]),
"tetherNetworkGuid", std::string()}),
get_active_host_results_[0]);
}
TEST_F(ActiveHostTest, TestConnected) {
active_host_->SetActiveHostConnected(test_devices_[0].GetDeviceId(),
"tetherNetworkGuid", "wifiNetworkGuid");
EXPECT_EQ(ActiveHost::ActiveHostStatus::CONNECTED,
active_host_->GetActiveHostStatus());
EXPECT_EQ(test_devices_[0].GetDeviceId(),
active_host_->GetActiveHostDeviceId());
EXPECT_EQ("tetherNetworkGuid", active_host_->GetTetherNetworkGuid());
EXPECT_EQ("wifiNetworkGuid", active_host_->GetWifiNetworkGuid());
active_host_->GetActiveHost(base::BindOnce(
&ActiveHostTest::OnActiveHostFetched, base::Unretained(this)));
ASSERT_EQ(1u, get_active_host_results_.size());
EXPECT_EQ(
(GetActiveHostResult{
ActiveHost::ActiveHostStatus::CONNECTED,
std::make_optional<multidevice::RemoteDeviceRef>(test_devices_[0]),
"tetherNetworkGuid", "wifiNetworkGuid"}),
get_active_host_results_[0]);
}
TEST_F(ActiveHostTest, TestObserverCalls) {
// Start as DISCONNECTED.
EXPECT_FALSE(test_observer_->host_changed_updates().size());
// Go to DISCONNECTED again. This should not cause an observer callback to be
// invoked.
active_host_->SetActiveHostDisconnected();
EXPECT_FALSE(test_observer_->host_changed_updates().size());
// Transition to CONNECTING.
active_host_->SetActiveHostConnecting(test_devices_[0].GetDeviceId(),
"tetherNetworkGuid");
EXPECT_EQ(1u, test_observer_->host_changed_updates().size());
EXPECT_EQ(
ActiveHost::ActiveHostChangeInfo(
ActiveHost::ActiveHostStatus::CONNECTING,
ActiveHost::ActiveHostStatus::DISCONNECTED,
std::make_optional<multidevice::RemoteDeviceRef>(test_devices_[0]),
"" /* old_active_host_id */,
"tetherNetworkGuid" /* new_tether_network_guid */,
"" /* old_tether_network_id */, "" /* new_wifi_network_guid */,
"" /* old_wifi_network_guid */),
test_observer_->host_changed_updates()[0]);
// Transition to CONNECTED.
active_host_->SetActiveHostConnected(test_devices_[0].GetDeviceId(),
"tetherNetworkGuid", "wifiNetworkGuid");
EXPECT_EQ(2u, test_observer_->host_changed_updates().size());
EXPECT_EQ(
ActiveHost::ActiveHostChangeInfo(
ActiveHost::ActiveHostStatus::CONNECTED,
ActiveHost::ActiveHostStatus::CONNECTING,
std::make_optional<multidevice::RemoteDeviceRef>(test_devices_[0]),
test_devices_[0].GetDeviceId(), "tetherNetworkGuid",
"tetherNetworkGuid", "wifiNetworkGuid",
"" /* old_wifi_network_guid */),
test_observer_->host_changed_updates()[1]);
// Transition to DISCONNECTED.
active_host_->SetActiveHostDisconnected();
EXPECT_EQ(3u, test_observer_->host_changed_updates().size());
EXPECT_EQ(ActiveHost::ActiveHostChangeInfo(
ActiveHost::ActiveHostStatus::DISCONNECTED,
ActiveHost::ActiveHostStatus::CONNECTED, std::nullopt,
test_devices_[0].GetDeviceId(),
"" /* new_tether_network_guid */, "tetherNetworkGuid",
"" /* new_wifi_network_guid */, "wifiNetworkGuid"),
test_observer_->host_changed_updates()[2]);
}
} // namespace ash::tether
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