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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "remoting/protocol/fake_connection_to_host.h"
#include "remoting/signaling/fake_signal_strategy.h"
#include "remoting/test/connection_setup_info.h"
#include "remoting/test/test_chromoting_client.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace test {
using testing::_;
// Provides base functionality for the TestChromotingClient Tests below. This
// fixture also creates an IO MessageLoop for use by the TestChromotingClient.
// Overrides a subset of the RemoteConnectionObserver interface to track
// connection status changes for result verification.
class TestChromotingClientTest : public ::testing::Test,
public RemoteConnectionObserver {
public:
TestChromotingClientTest();
~TestChromotingClientTest() override;
protected:
// testing::Test interface.
void SetUp() override;
void TearDown() override;
// Used for result verification.
bool is_connected_to_host_ = false;
protocol::ConnectionToHost::State connection_state_ =
protocol::ConnectionToHost::INITIALIZING;
protocol::ErrorCode error_code_ = protocol::OK;
// Used for simulating different conditions for the TestChromotingClient.
ConnectionSetupInfo connection_setup_info_;
FakeConnectionToHost* fake_connection_to_host_ = nullptr;
scoped_ptr<TestChromotingClient> test_chromoting_client_;
private:
// RemoteConnectionObserver interface.
void ConnectionStateChanged(protocol::ConnectionToHost::State state,
protocol::ErrorCode error_code) override;
void ConnectionReady(bool ready) override;
base::MessageLoopForIO message_loop_;
DISALLOW_COPY_AND_ASSIGN(TestChromotingClientTest);
};
TestChromotingClientTest::TestChromotingClientTest() {}
TestChromotingClientTest::~TestChromotingClientTest() {}
void TestChromotingClientTest::SetUp() {
test_chromoting_client_.reset(new TestChromotingClient());
test_chromoting_client_->AddRemoteConnectionObserver(this);
// Pass ownership of the FakeConnectionToHost to the chromoting instance but
// keep the ptr around so we can use it to simulate state changes. It will
// remain valid until |test_chromoting_client_| is destroyed.
fake_connection_to_host_ = new FakeConnectionToHost();
test_chromoting_client_->SetSignalStrategyForTests(make_scoped_ptr(
new FakeSignalStrategy("test_user@faux_address.com/123")));
test_chromoting_client_->SetConnectionToHostForTests(
make_scoped_ptr(fake_connection_to_host_));
connection_setup_info_.host_jid = "test_host@faux_address.com/321";
}
void TestChromotingClientTest::TearDown() {
test_chromoting_client_->RemoveRemoteConnectionObserver(this);
fake_connection_to_host_ = nullptr;
// The chromoting instance must be destroyed before the message loop.
test_chromoting_client_.reset();
// The IceTransportFactory destroys the PortAllocator via a DeleteSoon
// operation. If we do not allow the message loop to run here, we run the
// risk of the DeleteSoon task being dropped and incurring a memory leak.
message_loop_.RunUntilIdle();
}
void TestChromotingClientTest::ConnectionStateChanged(
protocol::ConnectionToHost::State state,
protocol::ErrorCode error_code) {
connection_state_ = state;
error_code_ = error_code;
if (state != protocol::ConnectionToHost::State::CONNECTED ||
error_code != protocol::OK) {
is_connected_to_host_ = false;
}
}
void TestChromotingClientTest::ConnectionReady(bool ready) {
if (ready) {
is_connected_to_host_ = true;
}
}
TEST_F(TestChromotingClientTest, StartConnectionAndDisconnect) {
test_chromoting_client_->StartConnection(connection_setup_info_);
EXPECT_EQ(protocol::ConnectionToHost::State::CONNECTING, connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_FALSE(is_connected_to_host_);
// Simulate an AUTHENTICATED message being sent from the Jingle session.
fake_connection_to_host_->SignalStateChange(protocol::Session::AUTHENTICATED,
protocol::OK);
EXPECT_EQ(protocol::ConnectionToHost::State::AUTHENTICATED,
connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_FALSE(is_connected_to_host_);
// Simulate a ACCEPTED message being sent from the Jingle session.
fake_connection_to_host_->SignalStateChange(protocol::Session::ACCEPTED,
protocol::OK);
EXPECT_EQ(protocol::ConnectionToHost::State::CONNECTED, connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_FALSE(is_connected_to_host_);
fake_connection_to_host_->SignalConnectionReady(true);
EXPECT_EQ(protocol::ConnectionToHost::State::CONNECTED, connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_TRUE(is_connected_to_host_);
test_chromoting_client_->EndConnection();
EXPECT_EQ(protocol::ConnectionToHost::State::CLOSED, connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_FALSE(is_connected_to_host_);
}
TEST_F(TestChromotingClientTest,
StartConnectionThenFailWithAuthenticationError) {
test_chromoting_client_->StartConnection(connection_setup_info_);
EXPECT_EQ(protocol::ConnectionToHost::State::CONNECTING, connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_FALSE(is_connected_to_host_);
fake_connection_to_host_->SignalStateChange(protocol::Session::FAILED,
protocol::AUTHENTICATION_FAILED);
EXPECT_EQ(protocol::ConnectionToHost::State::FAILED, connection_state_);
EXPECT_EQ(protocol::ErrorCode::AUTHENTICATION_FAILED, error_code_);
EXPECT_FALSE(is_connected_to_host_);
// Close the connection via the TestChromotingClient and verify the error
// state is persisted.
test_chromoting_client_->EndConnection();
EXPECT_EQ(protocol::ConnectionToHost::State::FAILED, connection_state_);
EXPECT_EQ(protocol::ErrorCode::AUTHENTICATION_FAILED, error_code_);
EXPECT_FALSE(is_connected_to_host_);
}
TEST_F(TestChromotingClientTest, StartConnectionThenFailWithUnknownError) {
test_chromoting_client_->StartConnection(connection_setup_info_);
EXPECT_EQ(protocol::ConnectionToHost::State::CONNECTING, connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_FALSE(is_connected_to_host_);
// Simulate an AUTHENTICATED message being sent from the Jingle session.
fake_connection_to_host_->SignalStateChange(protocol::Session::AUTHENTICATED,
protocol::OK);
EXPECT_EQ(protocol::ConnectionToHost::State::AUTHENTICATED,
connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_FALSE(is_connected_to_host_);
// Simulate a ACCEPTED message being sent from the Jingle session.
fake_connection_to_host_->SignalStateChange(protocol::Session::ACCEPTED,
protocol::OK);
EXPECT_EQ(protocol::ConnectionToHost::State::CONNECTED, connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_FALSE(is_connected_to_host_);
fake_connection_to_host_->SignalConnectionReady(true);
EXPECT_EQ(protocol::ConnectionToHost::State::CONNECTED, connection_state_);
EXPECT_EQ(protocol::OK, error_code_);
EXPECT_TRUE(is_connected_to_host_);
fake_connection_to_host_->SignalStateChange(protocol::Session::FAILED,
protocol::UNKNOWN_ERROR);
EXPECT_EQ(protocol::ConnectionToHost::State::FAILED, connection_state_);
EXPECT_EQ(protocol::ErrorCode::UNKNOWN_ERROR, error_code_);
EXPECT_FALSE(is_connected_to_host_);
// Close the connection via the TestChromotingClient and verify the error
// state is persisted.
test_chromoting_client_->EndConnection();
EXPECT_EQ(protocol::ConnectionToHost::State::FAILED, connection_state_);
EXPECT_EQ(protocol::ErrorCode::UNKNOWN_ERROR, error_code_);
EXPECT_FALSE(is_connected_to_host_);
}
} // namespace test
} // namespace remoting
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