| // Copyright (C) 2019 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License 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. |
| |
| package com.googlesource.gerrit.plugins.multisite.kafka.consumer; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.gson.Gson; |
| import com.googlesource.gerrit.plugins.multisite.broker.GsonProvider; |
| import java.util.UUID; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class KafkaEventDeserializerTest { |
| private KafkaEventDeserializer deserializer; |
| |
| @Before |
| public void setUp() { |
| final Gson gson = new GsonProvider().get(); |
| deserializer = new KafkaEventDeserializer(gson); |
| } |
| |
| @Test |
| public void kafkaEventDeserializerShouldParseAKafkaEvent() { |
| final UUID eventId = UUID.randomUUID(); |
| final String eventType = "event-type"; |
| final UUID sourceInstanceId = UUID.randomUUID(); |
| final long eventCreatedOn = 10L; |
| final String eventJson = |
| String.format( |
| "{ " |
| + "\"header\": { \"eventId\": \"%s\", \"eventType\": \"%s\", \"sourceInstanceId\": \"%s\", \"eventCreatedOn\": %d }," |
| + "\"body\": {}" |
| + "}", |
| eventId, eventType, sourceInstanceId, eventCreatedOn); |
| final SourceAwareEventWrapper event = deserializer.deserialize("ignored", eventJson.getBytes()); |
| |
| assertThat(event.getBody().entrySet()).isEmpty(); |
| assertThat(event.getHeader().getEventId()).isEqualTo(eventId); |
| assertThat(event.getHeader().getEventType()).isEqualTo(eventType); |
| assertThat(event.getHeader().getSourceInstanceId()).isEqualTo(sourceInstanceId); |
| assertThat(event.getHeader().getEventCreatedOn()).isEqualTo(eventCreatedOn); |
| } |
| |
| @Test(expected = RuntimeException.class) |
| public void kafkaEventDeserializerShouldFailForInvalidJson() { |
| deserializer.deserialize("ignored", "this is not a JSON string".getBytes()); |
| } |
| |
| @Test(expected = RuntimeException.class) |
| public void kafkaEventDeserializerShouldFailForInvalidObjectButValidJSON() { |
| deserializer.deserialize("ignored", "{}".getBytes()); |
| } |
| } |