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Diffstat (limited to 'src/plugins/capabilities/test/SubscriberForwarderTest.cpp')
| -rw-r--r-- | src/plugins/capabilities/test/SubscriberForwarderTest.cpp | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/plugins/capabilities/test/SubscriberForwarderTest.cpp b/src/plugins/capabilities/test/SubscriberForwarderTest.cpp new file mode 100644 index 0000000..ff438df --- /dev/null +++ b/src/plugins/capabilities/test/SubscriberForwarderTest.cpp @@ -0,0 +1,262 @@ +/* + * 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 vshl::common::interfaces; +using namespace vshl::capabilities::core; +using namespace vshl::test::common; + +namespace vshl { +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
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