479 lines
19 KiB
C++
479 lines
19 KiB
C++
/*
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* FocusManagerTest.cpp
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*
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* Copyright 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License").
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* You may not use this file except in compliance with the License.
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* A copy of the License is located at
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*
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* http://aws.amazon.com/apache2.0/
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*
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* or in the "license" file accompanying this file. This file is distributed
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* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include <AVSCommon/AVS/FocusState.h>
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#include "AFML/FocusManager.h"
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namespace alexaClientSDK {
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namespace afml {
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namespace test {
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using namespace avsCommon::sdkInterfaces;
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using namespace avsCommon::avs;
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/// Short time out for when callbacks are expected not to occur.
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static const auto SHORT_TIMEOUT = std::chrono::milliseconds(50);
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/// Long time out for the Channel observer to wait for the focus change callback (we should not reach this).
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static const auto DEFAULT_TIMEOUT = std::chrono::seconds(15);
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/// The dialog Channel name used in intializing the FocusManager.
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static const std::string DIALOG_CHANNEL_NAME = "DialogChannel";
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/// The alerts Channel name used in intializing the FocusManager.
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static const std::string ALERTS_CHANNEL_NAME = "AlertsChannel";
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/// The content Channel name used in intializing the FocusManager.
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static const std::string CONTENT_CHANNEL_NAME = "ContentChannel";
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/// An incorrect Channel name that is never initialized as a Channel.
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static const std::string INCORRECT_CHANNEL_NAME = "aksdjfl;aksdjfl;akdsjf";
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/// The priority of the dialog Channel used in intializing the FocusManager.
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static const unsigned int DIALOG_CHANNEL_PRIORITY = 10;
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/// The priority of the alerts Channel used in intializing the FocusManager.
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static const unsigned int ALERTS_CHANNEL_PRIORITY = 20;
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/// The priority of the content Channel used in intializing the FocusManager.
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static const unsigned int CONTENT_CHANNEL_PRIORITY = 30;
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/// Sample dialog activity id.
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static const std::string DIALOG_ACTIVITY_ID = "dialog";
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/// Sample alerts activity id.
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static const std::string ALERTS_ACTIVITY_ID = "alerts";
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/// Sample content activity id.
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static const std::string CONTENT_ACTIVITY_ID = "content";
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/// Another sample dialog activity id.
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static const std::string DIFFERENT_DIALOG_ACTIVITY_ID = "different dialog";
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/// A test observer that mocks out the ChannelObserverInterface##onFocusChanged() call.
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class TestClient : public ChannelObserverInterface {
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public:
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/**
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* Constructor.
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*/
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TestClient() : m_focusState(FocusState::NONE), m_focusChangeOccurred(false) {
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}
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/**
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* Implementation of the ChannelObserverInterface##onFocusChanged() callback.
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*
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* @param focusState The new focus state of the Channel observer.
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*/
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void onFocusChanged(FocusState focusState) override {
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std::unique_lock<std::mutex> lock(m_mutex);
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m_focusState = focusState;
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m_focusChangeOccurred = true;
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m_focusChanged.notify_one();
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}
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/**
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* Waits for the ChannelObserverInterface##onFocusChanged() callback.
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*
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* @param timeout The amount of time to wait for the callback.
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* @param focusChanged An output parameter that notifies the caller whether a callback occurred.
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* @return Returns @c true if the callback occured within the timeout period and @c false otherwise.
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*/
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FocusState waitForFocusChange(std::chrono::milliseconds timeout, bool* focusChanged) {
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std::unique_lock<std::mutex> lock(m_mutex);
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bool success = m_focusChanged.wait_for(lock, timeout, [this]() { return m_focusChangeOccurred; });
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if (!success) {
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*focusChanged = false;
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} else {
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m_focusChangeOccurred = false;
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*focusChanged = true;
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}
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return m_focusState;
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}
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private:
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/// The focus state of the observer.
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FocusState m_focusState;
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/// A lock to guard against focus state changes.
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std::mutex m_mutex;
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/// A condition variable to wait for focus changes.
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std::condition_variable m_focusChanged;
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/// A boolean flag so that we can re-use the observer even after a callback has occurred.
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bool m_focusChangeOccurred;
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};
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/// Manages testing focus changes
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class FocusChangeManager {
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public:
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/**
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* Checks that a focus change occurred and that the focus state received is the same as the expected focus state.
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*
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* @param client The Channel observer.
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* @param expectedFocusState The expected focus state.
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*/
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void assertFocusChange(std::shared_ptr<TestClient> client, FocusState expectedFocusState) {
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bool focusChanged = false;
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FocusState focusStateReceived = client->waitForFocusChange(DEFAULT_TIMEOUT, &focusChanged);
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ASSERT_TRUE(focusChanged);
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ASSERT_EQ(expectedFocusState, focusStateReceived);
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}
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/**
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* Checks that a focus change does not occur by waiting for the timeout duration.
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*
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* @param client The Channel observer.
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*/
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void assertNoFocusChange(std::shared_ptr<TestClient> client) {
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bool focusChanged = false;
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// Will wait for the short timeout duration before succeeding
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client->waitForFocusChange(SHORT_TIMEOUT, &focusChanged);
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ASSERT_FALSE(focusChanged);
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}
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};
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/// Test fixture for testing FocusManager.
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class FocusManagerTest
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: public ::testing::Test
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, public FocusChangeManager {
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protected:
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/// The FocusManager.
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std::shared_ptr<FocusManager> m_focusManager;
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/// A client that acquires the dialog Channel.
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std::shared_ptr<TestClient> dialogClient;
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/// Another client that acquires the dialog Channel.
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std::shared_ptr<TestClient> anotherDialogClient;
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/// A client that acquires the alerts Channel.
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std::shared_ptr<TestClient> alertsClient;
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/// A client that acquires the content Channel.
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std::shared_ptr<TestClient> contentClient;
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virtual void SetUp() {
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FocusManager::ChannelConfiguration dialogChannelConfig{DIALOG_CHANNEL_NAME, DIALOG_CHANNEL_PRIORITY};
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FocusManager::ChannelConfiguration alertsChannelConfig{ALERTS_CHANNEL_NAME, ALERTS_CHANNEL_PRIORITY};
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FocusManager::ChannelConfiguration contentChannelConfig{CONTENT_CHANNEL_NAME, CONTENT_CHANNEL_PRIORITY};
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std::vector<FocusManager::ChannelConfiguration> channelConfigurations{
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dialogChannelConfig, alertsChannelConfig, contentChannelConfig};
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m_focusManager = std::make_shared<FocusManager>(channelConfigurations);
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dialogClient = std::make_shared<TestClient>();
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alertsClient = std::make_shared<TestClient>();
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contentClient = std::make_shared<TestClient>();
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anotherDialogClient = std::make_shared<TestClient>();
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}
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};
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/// Tests acquireChannel with an invalid Channel name, expecting no focus changes to be made.
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TEST_F(FocusManagerTest, acquireInvalidChannelName) {
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ASSERT_FALSE(m_focusManager->acquireChannel(INCORRECT_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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}
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/// Tests acquireChannel, expecting to get Foreground status since no other Channels are active.
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TEST_F(FocusManagerTest, acquireChannelWithNoOtherChannelsActive) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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}
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/**
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* Tests acquireChannel with two Channels. The lower priority Channel should get Background focus and the higher
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* priority Channel should get Foreground focus.
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*/
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TEST_F(FocusManagerTest, acquireLowerPriorityChannelWithOneHigherPriorityChannelTaken) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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ASSERT_TRUE(m_focusManager->acquireChannel(ALERTS_CHANNEL_NAME, alertsClient, ALERTS_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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assertFocusChange(alertsClient, FocusState::BACKGROUND);
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}
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/**
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* Tests acquireChannel with three Channels. The two lowest priority Channels should get Background focus while the
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* highest priority Channel should be Foreground focused.
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*/
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TEST_F(FocusManagerTest, aquireLowerPriorityChannelWithTwoHigherPriorityChannelsTaken) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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ASSERT_TRUE(m_focusManager->acquireChannel(ALERTS_CHANNEL_NAME, alertsClient, ALERTS_ACTIVITY_ID));
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ASSERT_TRUE(m_focusManager->acquireChannel(CONTENT_CHANNEL_NAME, contentClient, CONTENT_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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assertFocusChange(alertsClient, FocusState::BACKGROUND);
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assertFocusChange(contentClient, FocusState::BACKGROUND);
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}
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/**
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* Tests acquireChannel with a high priority Channel while a low priority Channel is already taken. The lower priority
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* Channel should at first be Foreground focused and then get a change to Background focus while the higher priority
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* should be Foreground focused.
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*/
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TEST_F(FocusManagerTest, acquireHigherPriorityChannelWithOneLowerPriorityChannelTaken) {
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ASSERT_TRUE(m_focusManager->acquireChannel(CONTENT_CHANNEL_NAME, contentClient, CONTENT_ACTIVITY_ID));
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assertFocusChange(contentClient, FocusState::FOREGROUND);
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(contentClient, FocusState::BACKGROUND);
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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}
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/**
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* Tests acquireChannel with a single Channel. The original observer should be notified to stop and the new observer
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* should obtain Foreground focus.
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*/
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TEST_F(FocusManagerTest, kickOutActivityOnSameChannel) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, anotherDialogClient, DIFFERENT_DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::NONE);
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assertFocusChange(anotherDialogClient, FocusState::FOREGROUND);
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}
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/**
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* Tests releaseChannel with a single Channel. The observer should be notified to stop.
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*/
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TEST_F(FocusManagerTest, simpleReleaseChannel) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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ASSERT_TRUE(m_focusManager->releaseChannel(DIALOG_CHANNEL_NAME, dialogClient).get());
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assertFocusChange(dialogClient, FocusState::NONE);
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}
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/**
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* Tests releaseChannel on a Channel with an incorrect observer. The client should not receive any callback.
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*/
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TEST_F(FocusManagerTest, simpleReleaseChannelWithIncorrectObserver) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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ASSERT_FALSE(m_focusManager->releaseChannel(CONTENT_CHANNEL_NAME, dialogClient).get());
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ASSERT_FALSE(m_focusManager->releaseChannel(DIALOG_CHANNEL_NAME, contentClient).get());
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assertNoFocusChange(dialogClient);
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assertNoFocusChange(contentClient);
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}
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/**
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* Tests releaseChannel of the Foreground focused Channel while another Channel is taken. The originally Background
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* focused Channel should be notified to come to the Foreground while the originally Foreground focused Channel should
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* be notified to stop.
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*/
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TEST_F(FocusManagerTest, releaseForegroundChannelWhileBackgroundChannelTaken) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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ASSERT_TRUE(m_focusManager->acquireChannel(CONTENT_CHANNEL_NAME, contentClient, CONTENT_ACTIVITY_ID));
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assertFocusChange(contentClient, FocusState::BACKGROUND);
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ASSERT_TRUE(m_focusManager->releaseChannel(DIALOG_CHANNEL_NAME, dialogClient).get());
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assertFocusChange(dialogClient, FocusState::NONE);
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assertFocusChange(contentClient, FocusState::FOREGROUND);
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}
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/**
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* Tests stopForegroundActivity with a single Channel. The observer should be notified to stop.
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*/
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TEST_F(FocusManagerTest, simpleNonTargetedStop) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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m_focusManager->stopForegroundActivity();
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assertFocusChange(dialogClient, FocusState::NONE);
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}
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/**
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* Tests stopForegroundActivity with a three active Channels. The Foreground Channel observer should be notified to
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* stop each time and the next highest priority background Channel should be brought to the foreground each time.
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*/
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TEST_F(FocusManagerTest, threeNonTargetedStopsWithThreeActivitiesHappening) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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ASSERT_TRUE(m_focusManager->acquireChannel(ALERTS_CHANNEL_NAME, alertsClient, ALERTS_ACTIVITY_ID));
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assertFocusChange(alertsClient, FocusState::BACKGROUND);
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ASSERT_TRUE(m_focusManager->acquireChannel(CONTENT_CHANNEL_NAME, contentClient, CONTENT_ACTIVITY_ID));
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assertFocusChange(contentClient, FocusState::BACKGROUND);
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m_focusManager->stopForegroundActivity();
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assertFocusChange(dialogClient, FocusState::NONE);
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assertFocusChange(alertsClient, FocusState::FOREGROUND);
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m_focusManager->stopForegroundActivity();
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assertFocusChange(alertsClient, FocusState::NONE);
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assertFocusChange(contentClient, FocusState::FOREGROUND);
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m_focusManager->stopForegroundActivity();
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assertFocusChange(contentClient, FocusState::NONE);
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}
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/**
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* Tests stopForegroundActivity with a single Channel. The next client to request a different Channel should be given
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* foreground focus.
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*/
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TEST_F(FocusManagerTest, stopForegroundActivityAndAcquireDifferentChannel) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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m_focusManager->stopForegroundActivity();
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assertFocusChange(dialogClient, FocusState::NONE);
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ASSERT_TRUE(m_focusManager->acquireChannel(CONTENT_CHANNEL_NAME, contentClient, CONTENT_ACTIVITY_ID));
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assertFocusChange(contentClient, FocusState::FOREGROUND);
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}
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/**
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* Tests stopForegroundActivity with a single Channel. The next client to request the same Channel should be given
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* foreground focus.
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*/
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TEST_F(FocusManagerTest, stopForegroundActivityAndAcquireSameChannel) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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m_focusManager->stopForegroundActivity();
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assertFocusChange(dialogClient, FocusState::NONE);
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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}
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/**
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* Tests releaseChannel with the background Channel while there is a foreground Channel. The foreground Channel
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* should remain foregrounded while the background Channel's observer should be notified to stop.
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*/
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TEST_F(FocusManagerTest, releaseBackgroundChannelWhileTwoChannelsTaken) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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ASSERT_TRUE(m_focusManager->acquireChannel(CONTENT_CHANNEL_NAME, contentClient, CONTENT_ACTIVITY_ID));
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assertFocusChange(contentClient, FocusState::BACKGROUND);
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ASSERT_TRUE(m_focusManager->releaseChannel(CONTENT_CHANNEL_NAME, contentClient).get());
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assertFocusChange(contentClient, FocusState::NONE);
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assertNoFocusChange(dialogClient);
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}
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/**
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* Tests acquireChannel of an already active foreground Channel while another Channel is also active. The original
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* observer of the foreground be notified to stop and the new observer of the Channel will be notified that it has
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* Foreground focus. The originally backgrounded Channel should not change focus.
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*/
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TEST_F(FocusManagerTest, kickOutActivityOnSameChannelWhileOtherChannelsActive) {
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, dialogClient, DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::FOREGROUND);
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ASSERT_TRUE(m_focusManager->acquireChannel(CONTENT_CHANNEL_NAME, contentClient, CONTENT_ACTIVITY_ID));
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assertFocusChange(contentClient, FocusState::BACKGROUND);
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ASSERT_TRUE(m_focusManager->acquireChannel(DIALOG_CHANNEL_NAME, anotherDialogClient, DIFFERENT_DIALOG_ACTIVITY_ID));
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assertFocusChange(dialogClient, FocusState::NONE);
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assertFocusChange(anotherDialogClient, FocusState::FOREGROUND);
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assertNoFocusChange(contentClient);
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}
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/// Test fixture for testing Channel.
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class ChannelTest
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: public ::testing::Test
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, public FocusChangeManager {
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protected:
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/// A test client that used to observe Channels.
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std::shared_ptr<TestClient> clientA;
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/// A test client that used to observe Channels.
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std::shared_ptr<TestClient> clientB;
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/// A test Channel.
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std::shared_ptr<Channel> testChannel;
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virtual void SetUp() {
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clientA = std::make_shared<TestClient>();
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clientB = std::make_shared<TestClient>();
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testChannel = std::make_shared<Channel>(DIALOG_CHANNEL_PRIORITY);
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}
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};
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/// Tests the that the getPriority method of Channel works properly.
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TEST_F(ChannelTest, getPriority) {
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ASSERT_EQ(testChannel->getPriority(), DIALOG_CHANNEL_PRIORITY);
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}
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/// Tests that an old observer is kicked out on a Channel when a new observer is set.
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TEST_F(ChannelTest, kickoutOldObserver) {
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testChannel->setObserver(clientA);
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testChannel->setFocus(FocusState::FOREGROUND);
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assertFocusChange(clientA, FocusState::FOREGROUND);
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testChannel->setObserver(clientB);
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assertFocusChange(clientA, FocusState::NONE);
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}
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/// Tests that the observer properly gets notified of focus changes.
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TEST_F(ChannelTest, setObserverThenSetFocus) {
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testChannel->setObserver(clientA);
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testChannel->setFocus(FocusState::FOREGROUND);
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assertFocusChange(clientA, FocusState::FOREGROUND);
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testChannel->setFocus(FocusState::BACKGROUND);
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assertFocusChange(clientA, FocusState::BACKGROUND);
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testChannel->setFocus(FocusState::NONE);
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assertFocusChange(clientA, FocusState::NONE);
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}
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/// Tests that Channels are compared properly
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TEST_F(ChannelTest, priorityComparison) {
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std::shared_ptr<Channel> lowerPriorityChannel = std::make_shared<Channel>(CONTENT_CHANNEL_PRIORITY);
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ASSERT_TRUE(*testChannel > *lowerPriorityChannel);
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ASSERT_FALSE(*lowerPriorityChannel > *testChannel);
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}
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/**
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* Tests that the stopActivity method on Channel works properly and that observers are stopped if the activity id
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* matches the the Channel's activity and doesn't get stopped if the ids don't match.
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*/
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TEST_F(ChannelTest, testStopActivity) {
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testChannel->setActivityId(DIALOG_ACTIVITY_ID);
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testChannel->setObserver(clientA);
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testChannel->setFocus(FocusState::FOREGROUND);
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assertFocusChange(clientA, FocusState::FOREGROUND);
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ASSERT_FALSE(testChannel->stopActivity(CONTENT_ACTIVITY_ID));
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assertNoFocusChange(clientA);
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ASSERT_TRUE(testChannel->stopActivity(DIALOG_ACTIVITY_ID));
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assertFocusChange(clientA, FocusState::NONE);
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}
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} // namespace test
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} // namespace afml
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} // namespace alexaClientSDK
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