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-rw-r--r--src/plugins/capabilities/test/SubscriberForwarderTest.cpp262
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diff --git a/src/plugins/capabilities/test/SubscriberForwarderTest.cpp b/src/plugins/capabilities/test/SubscriberForwarderTest.cpp
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+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ * http://aws.amazon.com/apache2.0/
+ *
+ * or in the "license" file accompanying this file. This file is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+#include <gtest/gtest.h>
+
+#include "capabilities/core/include/SubscriberForwarder.h"
+
+#include "test/common/ConsoleLogger.h"
+#include "test/mocks/AFBApiMock.h"
+#include "test/mocks/AFBEventMock.h"
+#include "test/mocks/AFBRequestMock.h"
+#include "test/mocks/CapabilityMock.h"
+
+using namespace vshlcapabilities::common::interfaces;
+using namespace vshlcapabilities::capabilities::core;
+using namespace vshlcapabilities::test::common;
+
+namespace vshlcapabilities {
+namespace test {
+
+class SubscriberForwarderTest : public ::testing::Test {
+protected:
+ void SetUp() override {
+ mConsoleLogger = std::make_shared<ConsoleLogger>();
+ mAfbApi = std::make_shared<::testing::StrictMock<AFBApiMock>>();
+
+ mEventCreatorFn = [](const std::string& eventName) -> std::shared_ptr<IAFBApi::IAFBEvent> {
+ std::shared_ptr<AFBEventMock> mockEvent(new ::testing::StrictMock<AFBEventMock>());
+ mockEvent->setName(eventName);
+ return mockEvent;
+ };
+ }
+
+ std::shared_ptr<SubscriberForwarder> createSubscriberForwarder(
+ std::shared_ptr<::testing::StrictMock<CapabilityMock>> capability) {
+ EXPECT_CALL(*capability, getUpstreamMessages()).Times(1);
+ EXPECT_CALL(*capability, getDownstreamMessages()).Times(1);
+
+ return SubscriberForwarder::create(mConsoleLogger, mAfbApi, capability);
+ }
+
+ std::shared_ptr<::testing::StrictMock<AFBApiMock>> mAfbApi;
+ std::shared_ptr<ConsoleLogger> mConsoleLogger;
+ std::function<std::shared_ptr<IAFBApi::IAFBEvent>(const std::string&)> mEventCreatorFn;
+ std::shared_ptr<::testing::StrictMock<AFBEventMock>> mAfbEventMock;
+};
+
+TEST_F(SubscriberForwarderTest, failsInitializationOnInvalidParams) {
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+
+ auto forwarder = SubscriberForwarder::create(mConsoleLogger, mAfbApi, nullptr);
+ ASSERT_EQ(forwarder, nullptr);
+
+ forwarder = SubscriberForwarder::create(mConsoleLogger, nullptr, capability);
+ ASSERT_EQ(forwarder, nullptr);
+
+ forwarder = SubscriberForwarder::create(nullptr, mAfbApi, capability);
+ ASSERT_EQ(forwarder, nullptr);
+}
+
+TEST_F(SubscriberForwarderTest, initializesCorrectly) {
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+ auto forwarder = createSubscriberForwarder(capability);
+
+ ASSERT_NE(forwarder, nullptr);
+}
+
+TEST_F(SubscriberForwarderTest, createsEventsOnInitialization) {
+ ON_CALL(*mAfbApi, createEvent(::testing::_)).WillByDefault(::testing::Invoke(mEventCreatorFn));
+
+ std::list<std::string> upstreamEvents({"up-ev1", "up-ev2"});
+ std::list<std::string> downstreamEvents({"down-ev1", "down-ev2"});
+
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+ ON_CALL(*capability, getUpstreamMessages()).WillByDefault(::testing::Return(upstreamEvents));
+ ON_CALL(*capability, getDownstreamMessages()).WillByDefault(::testing::Return(downstreamEvents));
+
+ auto itCapability = upstreamEvents.begin();
+ EXPECT_CALL(*mAfbApi, createEvent(*itCapability)).Times(1);
+ itCapability++;
+ EXPECT_CALL(*mAfbApi, createEvent(*itCapability)).Times(1);
+
+ itCapability = downstreamEvents.begin();
+ EXPECT_CALL(*mAfbApi, createEvent(*itCapability)).Times(1);
+ itCapability++;
+ EXPECT_CALL(*mAfbApi, createEvent(*itCapability)).Times(1);
+
+ auto forwarder = createSubscriberForwarder(capability);
+ ASSERT_NE(forwarder, nullptr);
+}
+
+TEST_F(SubscriberForwarderTest, canNotSubscribeToNonExistentEvents) {
+ ON_CALL(*mAfbApi, createEvent(::testing::_)).WillByDefault(::testing::Invoke(mEventCreatorFn));
+ EXPECT_CALL(*mAfbApi, createEvent(::testing::_)).Times(4);
+
+ std::list<std::string> upstreamEvents({"up-ev1", "up-ev2"});
+ std::list<std::string> downstreamEvents({"down-ev1", "down-ev2"});
+
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+ ON_CALL(*capability, getUpstreamMessages()).WillByDefault(::testing::Return(upstreamEvents));
+ ON_CALL(*capability, getDownstreamMessages()).WillByDefault(::testing::Return(downstreamEvents));
+
+ auto forwarder = createSubscriberForwarder(capability);
+ ASSERT_NE(forwarder, nullptr);
+
+ auto nonExistentEvents = std::list<std::string>({"non", "existent", "events"});
+ auto itCapability = nonExistentEvents.begin();
+ auto request = std::make_shared<::testing::StrictMock<AFBRequestMock>>();
+ ASSERT_FALSE(forwarder->subscribe(*request, *itCapability++));
+ ASSERT_FALSE(forwarder->subscribe(*request, *itCapability++));
+ ASSERT_FALSE(forwarder->subscribe(*request, *itCapability++));
+}
+
+TEST_F(SubscriberForwarderTest, canNotSubscribeOnEventCreationFailure) {
+ // Fail the event creation and return null event.
+ ON_CALL(*mAfbApi, createEvent(::testing::_)).WillByDefault(::testing::Return(nullptr));
+ EXPECT_CALL(*mAfbApi, createEvent(::testing::_)).Times(4);
+
+ std::list<std::string> upstreamEvents({"up-ev1", "up-ev2"});
+ std::list<std::string> downstreamEvents({"down-ev1", "down-ev2"});
+
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+ ON_CALL(*capability, getUpstreamMessages()).WillByDefault(::testing::Return(upstreamEvents));
+ ON_CALL(*capability, getDownstreamMessages()).WillByDefault(::testing::Return(downstreamEvents));
+
+ auto forwarder = createSubscriberForwarder(capability);
+ ASSERT_NE(forwarder, nullptr);
+
+ auto itCapability = downstreamEvents.begin();
+ auto request = std::make_shared<::testing::StrictMock<AFBRequestMock>>();
+ std::string payload = "The answer to life the universe and everything = 42";
+ ASSERT_FALSE(forwarder->subscribe(*request, *itCapability++));
+ ASSERT_FALSE(forwarder->subscribe(*request, *itCapability++));
+ itCapability = upstreamEvents.begin();
+ ASSERT_FALSE(forwarder->subscribe(*request, *itCapability++));
+ ASSERT_FALSE(forwarder->subscribe(*request, *itCapability++));
+}
+
+TEST_F(SubscriberForwarderTest, canSubscribeToEvents) {
+ std::shared_ptr<AFBEventMock> mockEvent(new ::testing::StrictMock<AFBEventMock>());
+ ON_CALL(*mockEvent, subscribe(::testing::_)).WillByDefault(::testing::Return(true));
+ EXPECT_CALL(*mockEvent, subscribe(::testing::_)).Times(4);
+ auto eventCreator = [mockEvent](const std::string& eventName) -> std::shared_ptr<IAFBApi::IAFBEvent> {
+ return mockEvent;
+ };
+
+ ON_CALL(*mAfbApi, createEvent(::testing::_)).WillByDefault(::testing::Invoke(eventCreator));
+ EXPECT_CALL(*mAfbApi, createEvent(::testing::_)).Times(4);
+
+ std::list<std::string> upstreamEvents({"up-ev1", "up-ev2"});
+ std::list<std::string> downstreamEvents({"down-ev1", "down-ev2"});
+
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+ ON_CALL(*capability, getUpstreamMessages()).WillByDefault(::testing::Return(upstreamEvents));
+ ON_CALL(*capability, getDownstreamMessages()).WillByDefault(::testing::Return(downstreamEvents));
+
+ auto forwarder = createSubscriberForwarder(capability);
+ ASSERT_NE(forwarder, nullptr);
+
+ auto itCapability = downstreamEvents.begin();
+ auto request = std::make_shared<::testing::StrictMock<AFBRequestMock>>();
+ ASSERT_TRUE(forwarder->subscribe(*request, *itCapability++));
+ ASSERT_TRUE(forwarder->subscribe(*request, *itCapability));
+ itCapability = upstreamEvents.begin();
+ ASSERT_TRUE(forwarder->subscribe(*request, *itCapability++));
+ ASSERT_TRUE(forwarder->subscribe(*request, *itCapability));
+}
+
+TEST_F(SubscriberForwarderTest, canNotPublishNonExistentEvents) {
+ std::shared_ptr<AFBEventMock> mockEvent(new ::testing::StrictMock<AFBEventMock>());
+ EXPECT_CALL(*mockEvent, publishEvent(::testing::_)).Times(0);
+ auto eventCreator = [mockEvent](const std::string& eventName) -> std::shared_ptr<IAFBApi::IAFBEvent> {
+ return mockEvent;
+ };
+
+ ON_CALL(*mAfbApi, createEvent(::testing::_)).WillByDefault(::testing::Invoke(eventCreator));
+ EXPECT_CALL(*mAfbApi, createEvent(::testing::_)).Times(4);
+
+ std::list<std::string> upstreamEvents({"up-ev1", "up-ev2"});
+ std::list<std::string> downstreamEvents({"down-ev1", "down-ev2"});
+
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+ ON_CALL(*capability, getUpstreamMessages()).WillByDefault(::testing::Return(upstreamEvents));
+ ON_CALL(*capability, getDownstreamMessages()).WillByDefault(::testing::Return(downstreamEvents));
+
+ auto forwarder = createSubscriberForwarder(capability);
+ ASSERT_NE(forwarder, nullptr);
+
+ auto nonExistentEvents = std::list<std::string>({"non", "existent", "events"});
+ auto itCapability = nonExistentEvents.begin();
+ ASSERT_FALSE(forwarder->forwardMessage(*itCapability++, "My-Payload"));
+ ASSERT_FALSE(forwarder->forwardMessage(*itCapability++, "My-Payload"));
+ ASSERT_FALSE(forwarder->forwardMessage(*itCapability++, "My-Payload"));
+}
+
+TEST_F(SubscriberForwarderTest, canNotPublishOnEventCreationFailure) {
+ // Fail the event creation and return null event.
+ ON_CALL(*mAfbApi, createEvent(::testing::_)).WillByDefault(::testing::Return(nullptr));
+ EXPECT_CALL(*mAfbApi, createEvent(::testing::_)).Times(4);
+
+ std::list<std::string> upstreamEvents({"up-ev1", "up-ev2"});
+ std::list<std::string> downstreamEvents({"down-ev1", "down-ev2"});
+
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+ ON_CALL(*capability, getUpstreamMessages()).WillByDefault(::testing::Return(upstreamEvents));
+ ON_CALL(*capability, getDownstreamMessages()).WillByDefault(::testing::Return(downstreamEvents));
+
+ auto forwarder = createSubscriberForwarder(capability);
+ ASSERT_NE(forwarder, nullptr);
+
+ auto itCapability = downstreamEvents.begin();
+ std::string payload = "The answer to life the universe and everything = 42";
+ ASSERT_FALSE(forwarder->forwardMessage(*itCapability++, payload));
+ ASSERT_FALSE(forwarder->forwardMessage(*itCapability++, payload));
+ itCapability = upstreamEvents.begin();
+ ASSERT_FALSE(forwarder->forwardMessage(*itCapability++, payload));
+ ASSERT_FALSE(forwarder->forwardMessage(*itCapability++, payload));
+}
+
+TEST_F(SubscriberForwarderTest, canPublishEvents) {
+ std::shared_ptr<AFBEventMock> mockEvent(new ::testing::StrictMock<AFBEventMock>());
+ ON_CALL(*mockEvent, publishEvent(::testing::_)).WillByDefault(::testing::Return(true));
+ EXPECT_CALL(*mockEvent, publishEvent(::testing::_)).Times(4);
+ auto eventCreator = [mockEvent](const std::string& eventName) -> std::shared_ptr<IAFBApi::IAFBEvent> {
+ return mockEvent;
+ };
+
+ ON_CALL(*mAfbApi, createEvent(::testing::_)).WillByDefault(::testing::Invoke(eventCreator));
+ EXPECT_CALL(*mAfbApi, createEvent(::testing::_)).Times(4);
+
+ std::list<std::string> upstreamEvents({"up-ev1", "up-ev2"});
+ std::list<std::string> downstreamEvents({"down-ev1", "down-ev2"});
+
+ auto capability = std::make_shared<::testing::StrictMock<CapabilityMock>>();
+ ON_CALL(*capability, getUpstreamMessages()).WillByDefault(::testing::Return(upstreamEvents));
+ ON_CALL(*capability, getDownstreamMessages()).WillByDefault(::testing::Return(downstreamEvents));
+
+ auto forwarder = createSubscriberForwarder(capability);
+ ASSERT_NE(forwarder, nullptr);
+
+ auto itCapability = downstreamEvents.begin();
+ std::string payload = "The answer to life the universe and everything = 42";
+ ASSERT_TRUE(forwarder->forwardMessage(*itCapability++, payload));
+ ASSERT_TRUE(forwarder->forwardMessage(*itCapability++, payload));
+ itCapability = upstreamEvents.begin();
+ ASSERT_TRUE(forwarder->forwardMessage(*itCapability++, payload));
+ ASSERT_TRUE(forwarder->forwardMessage(*itCapability++, payload));
+}
+
+} // namespace test
+} // namespace vshl \ No newline at end of file