1 files changed, 96 insertions, 0 deletions
diff --git a/src/plugins/capabilities/test/CapabilityMessagingServiceTest.cpp b/src/plugins/capabilities/test/CapabilityMessagingServiceTest.cpp
new file mode 100644
index 0000000..5d3971d
--- /dev/null
+++ b/src/plugins/capabilities/test/CapabilityMessagingServiceTest.cpp
@@ -0,0 +1,96 @@
+/*
+ * 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/CapabilityMessagingService.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;
+using namespace vshlcapabilities::test::common;
+
+namespace vshlcapabilities {
+namespace test {
+
+class CapabilityMessagingServiceTest : public ::testing::Test {
+protected:
+    void SetUp() override {
+        mConsoleLogger = std::make_shared<ConsoleLogger>();
+        mAfbApi = std::make_shared<::testing::NiceMock<AFBApiMock>>();
+    }
+
+    std::shared_ptr<::testing::NiceMock<AFBApiMock>> mAfbApi;
+    std::shared_ptr<ConsoleLogger> mConsoleLogger;
+};
+
+TEST_F(CapabilityMessagingServiceTest, failsInitializationOnInvalidParams) {
+    auto service = CapabilityMessagingService::create(mConsoleLogger, nullptr);
+    ASSERT_EQ(service, nullptr);
+
+    service = CapabilityMessagingService::create(nullptr, mAfbApi);
+    ASSERT_EQ(service, nullptr);
+}
+
+TEST_F(CapabilityMessagingServiceTest, initializesSuccessfully) {
+    auto service = CapabilityMessagingService::create(mConsoleLogger, mAfbApi);
+    ASSERT_NE(service, nullptr);
+}
+
+TEST_F(CapabilityMessagingServiceTest, canSubscribeAndPublishCapabilityEvents) {
+    auto service = CapabilityMessagingService::create(mConsoleLogger, mAfbApi);
+
+    auto capability = std::make_shared<::testing::NiceMock<CapabilityMock>>();
+    std::list<std::string> upstreamEvents({"up-ev1", "up-ev2"});
+    std::list<std::string> downstreamEvents({"down-ev1", "down-ev2"});
+    std::string capabilityName = "weather";
+
+    ON_CALL(*capability, getName()).WillByDefault(::testing::Return(capabilityName));
+    ON_CALL(*capability, getUpstreamMessages()).WillByDefault(::testing::Return(upstreamEvents));
+    ON_CALL(*capability, getDownstreamMessages()).WillByDefault(::testing::Return(downstreamEvents));
+
+    // We don't care if and how many times subscribe method is called on event.
+    std::shared_ptr<AFBEventMock> mockEvent(new ::testing::NiceMock<AFBEventMock>());
+    ON_CALL(*mockEvent, subscribe(::testing::_)).WillByDefault(::testing::Return(true));
+    ON_CALL(*mockEvent, publishEvent(::testing::_)).WillByDefault(::testing::Return(true));
+    auto eventCreator = [mockEvent](const std::string& eventName) -> std::shared_ptr<IAFBApi::IAFBEvent> {
+        mockEvent->setName(eventName);
+        return mockEvent;
+    };
+
+    ON_CALL(*mAfbApi, createEvent(::testing::_)).WillByDefault(::testing::Invoke(eventCreator));
+
+    auto request = std::make_shared<::testing::StrictMock<AFBRequestMock>>();
+    std::string payload = "The answer to life the universe and everything = 42";
+
+    bool result = service->publish(capability, *upstreamEvents.begin(), payload);
+    ASSERT_FALSE(result);  // Without subscribing to the event. Publish should fail.
+
+    result = service->subscribe(*request, capability, *upstreamEvents.begin());
+    ASSERT_TRUE(result);
+
+    result = service->subscribe(*request, capability, *downstreamEvents.begin());
+    ASSERT_TRUE(result);
+
+    result = service->publish(capability, *downstreamEvents.begin(), payload);
+    ASSERT_TRUE(result);
+}
+
+}  // namespace test
+}  // namespace vshl
+\ No newline at end of file