| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.samza.system.descriptors; |
| |
| import java.util.Collections; |
| import org.apache.samza.system.descriptors.examples.serde.ExampleSimpleInputDescriptor; |
| import org.apache.samza.system.descriptors.examples.serde.ExampleSimpleOutputDescriptor; |
| import org.apache.samza.system.descriptors.examples.serde.ExampleSimpleSystemDescriptor; |
| import org.apache.samza.serializers.IntegerSerde; |
| import org.apache.samza.system.SystemStreamMetadata; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| public class TestSimpleInputDescriptor { |
| @Test |
| public void testAPIUsage() { |
| // does not assert anything, but acts as a compile-time check on expected descriptor type parameters |
| // and validates that the method calls can be chained. |
| ExampleSimpleSystemDescriptor kafkaSystem = |
| new ExampleSimpleSystemDescriptor("kafka-system") |
| .withSystemConfigs(Collections.emptyMap()); |
| ExampleSimpleInputDescriptor<Integer> input1 = kafkaSystem.getInputDescriptor("input1", new IntegerSerde()); |
| ExampleSimpleOutputDescriptor<Integer> output1 = kafkaSystem.getOutputDescriptor("output1", new IntegerSerde()); |
| |
| input1 |
| .shouldBootstrap() |
| .withOffsetDefault(SystemStreamMetadata.OffsetType.NEWEST) |
| .withPriority(1) |
| .shouldResetOffset() |
| .withStreamConfigs(Collections.emptyMap()); |
| |
| output1 |
| .withStreamConfigs(Collections.emptyMap()); |
| } |
| |
| @Test |
| public void testISDObjectsWithOverrides() { |
| ExampleSimpleSystemDescriptor ssd = new ExampleSimpleSystemDescriptor("kafka-system"); |
| IntegerSerde streamSerde = new IntegerSerde(); |
| ExampleSimpleInputDescriptor<Integer> isd = ssd.getInputDescriptor("input-stream", streamSerde); |
| |
| assertEquals(streamSerde, isd.getSerde()); |
| assertFalse(isd.getTransformer().isPresent()); |
| } |
| } |