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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 "remoting/test/connection_time_observer.h"
#include <utility>
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace test {
class ConnectionTimeObserverTest : public ::testing::Test {
public:
ConnectionTimeObserverTest();
~ConnectionTimeObserverTest() override;
protected:
// Test interface.
void SetUp() override;
// A map of fake times to calculate TimeDelta between two states.
std::map<protocol::ConnectionToHost::State, base::TimeTicks> test_map_;
// Observes and saves the times when the chromoting connection state changes.
scoped_ptr<ConnectionTimeObserver> connection_time_observer_;
private:
DISALLOW_COPY_AND_ASSIGN(ConnectionTimeObserverTest);
};
ConnectionTimeObserverTest::ConnectionTimeObserverTest() {
}
ConnectionTimeObserverTest::~ConnectionTimeObserverTest() {
}
void ConnectionTimeObserverTest::SetUp() {
connection_time_observer_.reset(new ConnectionTimeObserver());
base::TimeTicks now = base::TimeTicks::Now();
test_map_.insert(std::make_pair(
protocol::ConnectionToHost::State::INITIALIZING,
now + base::TimeDelta::FromMilliseconds(10)));
test_map_.insert(std::make_pair(
protocol::ConnectionToHost::State::CONNECTING,
now + base::TimeDelta::FromMilliseconds(20)));
test_map_.insert(std::make_pair(
protocol::ConnectionToHost::State::AUTHENTICATED,
now + base::TimeDelta::FromMilliseconds(30)));
test_map_.insert(std::make_pair(
protocol::ConnectionToHost::State::CONNECTED,
now + base::TimeDelta::FromMilliseconds(40)));
test_map_.insert(std::make_pair(
protocol::ConnectionToHost::State::CLOSED,
now + base::TimeDelta::FromMilliseconds(50)));
connection_time_observer_->SetTransitionTimesMapForTest(test_map_);
}
TEST_F(ConnectionTimeObserverTest, ChromotingConnectionSuccess) {
EXPECT_EQ(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::INITIALIZING,
protocol::ConnectionToHost::State::CONNECTING).InMilliseconds(), 10);
EXPECT_EQ(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::CONNECTING,
protocol::ConnectionToHost::State::AUTHENTICATED).InMilliseconds(), 10);
EXPECT_EQ(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::AUTHENTICATED,
protocol::ConnectionToHost::State::CONNECTED).InMilliseconds(), 10);
EXPECT_EQ(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::CONNECTED,
protocol::ConnectionToHost::State::CLOSED).InMilliseconds(), 10);
}
TEST_F(ConnectionTimeObserverTest, StartStateNotFound) {
EXPECT_TRUE(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::FAILED,
protocol::ConnectionToHost::State::CLOSED).is_max());
}
TEST_F(ConnectionTimeObserverTest, EndStateNotFound) {
EXPECT_TRUE(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::INITIALIZING,
protocol::ConnectionToHost::State::FAILED).is_max());
}
TEST_F(ConnectionTimeObserverTest, NegativeTransitionDelay) {
EXPECT_TRUE(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::CLOSED,
protocol::ConnectionToHost::State::INITIALIZING).is_max());
}
TEST_F(ConnectionTimeObserverTest, TestOnConnectionStateChangedWithTestMap) {
// Should fail to find FAILED.
EXPECT_TRUE(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::INITIALIZING,
protocol::ConnectionToHost::State::FAILED).is_max());
// Registers the time at which FAILED state occurred into the map.
connection_time_observer_->ConnectionStateChanged(
protocol::ConnectionToHost::State::FAILED,
protocol::ErrorCode::PEER_IS_OFFLINE);
EXPECT_FALSE(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::INITIALIZING,
protocol::ConnectionToHost::State::FAILED).is_zero());
}
TEST_F(ConnectionTimeObserverTest, TestOnConnectionStateChangedWithoutTestMap) {
connection_time_observer_->SetTransitionTimesMapForTest(
std::map<protocol::ConnectionToHost::State, base::TimeTicks>());
base::MessageLoopForIO message_loop;
base::RunLoop run_loop;
// Should fail to find INITIALIZING in an empty map.
EXPECT_TRUE(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::INITIALIZING,
protocol::ConnectionToHost::State::FAILED).is_max());
connection_time_observer_->ConnectionStateChanged(
protocol::ConnectionToHost::State::INITIALIZING,
protocol::ErrorCode::OK);
connection_time_observer_->ConnectionStateChanged(
protocol::ConnectionToHost::State::CONNECTING,
protocol::ErrorCode::OK);
connection_time_observer_->ConnectionStateChanged(
protocol::ConnectionToHost::State::AUTHENTICATED,
protocol::ErrorCode::OK);
// Wait for 10 milliseconds for CONNECTED state.
// Note: This test can only guarantee a positive TimeDelta between a previous
// state and the CONNECTED state. Prior states have non-deterministic times
// between each other.
base::Timer timer(true, false);
timer.Start(FROM_HERE,
base::TimeDelta::FromMilliseconds(10),
run_loop.QuitClosure());
run_loop.Run();
connection_time_observer_->ConnectionStateChanged(
protocol::ConnectionToHost::State::CONNECTED,
protocol::ErrorCode::OK);
// Verify that the time waited is positive and at least 10 milliseconds.
EXPECT_GE(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::AUTHENTICATED,
protocol::ConnectionToHost::State::CONNECTED).InMilliseconds(), 10);
}
TEST_F(ConnectionTimeObserverTest, TestOnConnectionStateDataDoesNotChange) {
base::TimeDelta first_time_delta =
connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::INITIALIZING,
protocol::ConnectionToHost::State::CONNECTED);
// This check makes sure that the two states are actually found.
EXPECT_FALSE(first_time_delta.is_zero());
// The initial data should not change and should log an error.
connection_time_observer_->ConnectionStateChanged(
protocol::ConnectionToHost::State::CONNECTED, protocol::ErrorCode::OK);
EXPECT_EQ(connection_time_observer_->GetStateTransitionTime(
protocol::ConnectionToHost::State::INITIALIZING,
protocol::ConnectionToHost::State::CONNECTED), first_time_delta);
}
} // namespace test
} // namespace remoting
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