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// Copyright 2016 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/disconnect_tethering_operation.h"
#include <memory>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/simple_test_clock.h"
#include "base/time/time.h"
#include "base/timer/mock_timer.h"
#include "chromeos/ash/components/multidevice/remote_device_test_util.h"
#include "chromeos/ash/components/tether/fake_host_connection.h"
#include "chromeos/ash/components/tether/message_wrapper.h"
#include "chromeos/ash/components/tether/proto/tether.pb.h"
#include "chromeos/ash/components/timer_factory/fake_timer_factory.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash::tether {
namespace {
constexpr base::TimeDelta kDisconnectTetheringRequestTime = base::Seconds(3);
// Used to verify the DisonnectTetheringOperation notifies the observer when
// appropriate.
class MockOperationObserver : public DisconnectTetheringOperation::Observer {
public:
MockOperationObserver() = default;
MockOperationObserver(const MockOperationObserver&) = delete;
MockOperationObserver& operator=(const MockOperationObserver&) = delete;
~MockOperationObserver() = default;
MOCK_METHOD2(OnOperationFinished, void(const std::string&, bool));
};
} // namespace
class DisconnectTetheringOperationTest : public testing::Test {
public:
DisconnectTetheringOperationTest(const DisconnectTetheringOperationTest&) =
delete;
DisconnectTetheringOperationTest& operator=(
const DisconnectTetheringOperationTest&) = delete;
protected:
DisconnectTetheringOperationTest()
: tether_host_(TetherHost(multidevice::CreateRemoteDeviceRefForTest())) {}
void SetUp() override {
fake_host_connection_factory_ =
std::make_unique<FakeHostConnection::Factory>();
operation_ = base::WrapUnique(new DisconnectTetheringOperation(
tether_host_, fake_host_connection_factory_.get()));
operation_->AddObserver(&mock_observer_);
operation_->SetTimerFactoryForTest(
std::make_unique<ash::timer_factory::FakeTimerFactory>());
test_clock_.SetNow(base::Time::UnixEpoch());
operation_->SetClockForTest(&test_clock_);
}
const TetherHost tether_host_;
std::unique_ptr<FakeHostConnection::Factory> fake_host_connection_factory_;
base::SimpleTestClock test_clock_;
MockOperationObserver mock_observer_;
base::HistogramTester histogram_tester_;
std::unique_ptr<DisconnectTetheringOperation> operation_;
};
TEST_F(DisconnectTetheringOperationTest, TestSuccess) {
// Setup the connection.
fake_host_connection_factory_->SetupConnectionAttempt(tether_host_);
// Verify that the Observer is called with success and the correct
// parameters.
EXPECT_CALL(mock_observer_, OnOperationFinished(tether_host_.GetDeviceId(),
true /* successful */));
// Initialize the operation.
operation_->Initialize();
// Advance the clock in order to verify a non-zero request duration is
// recorded and verified (below).
test_clock_.Advance(kDisconnectTetheringRequestTime);
fake_host_connection_factory_->GetActiveConnection(tether_host_.GetDeviceId())
->FinishSendingMessages();
// Verify the request duration metric is recorded.
histogram_tester_.ExpectTimeBucketCount(
"InstantTethering.Performance.DisconnectTetheringRequestDuration",
kDisconnectTetheringRequestTime, 1);
}
TEST_F(DisconnectTetheringOperationTest, TestFailure) {
// Verify that the observer is called with failure and the correct parameters.
EXPECT_CALL(mock_observer_, OnOperationFinished(tether_host_.GetDeviceId(),
false /* successful */));
// Setup a connection to be returned.
fake_host_connection_factory_->SetupConnectionAttempt(tether_host_);
// Start the operation.
operation_->Initialize();
// Disconnect before allowing messages to send.
fake_host_connection_factory_->GetActiveConnection(tether_host_.GetDeviceId())
->Close();
histogram_tester_.ExpectTotalCount(
"InstantTethering.Performance.DisconnectTetheringRequestDuration", 0);
}
// Tests that the DisonnectTetheringRequest message is sent to the remote device
// once the communication channel is connected and authenticated.
TEST_F(DisconnectTetheringOperationTest,
DisconnectRequestSentOnceAuthenticated) {
// Setup the connection.
fake_host_connection_factory_->SetupConnectionAttempt(tether_host_);
// Initialize the operation.
operation_->Initialize();
// Verify the DisconnectTetheringRequest message is sent.
auto message_wrapper =
std::make_unique<MessageWrapper>(DisconnectTetheringRequest());
std::string expected_payload = message_wrapper->ToRawMessage();
auto& sent_messages = fake_host_connection_factory_
->GetActiveConnection(tether_host_.GetDeviceId())
->sent_messages();
EXPECT_EQ(1u, sent_messages.size());
EXPECT_EQ(expected_payload, sent_messages[0].first->ToRawMessage());
}
} // namespace ash::tether
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