| /* |
| * 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.beam.runners.flink.translation.types; |
| |
| import static org.hamcrest.core.Is.is; |
| import static org.junit.Assert.assertThat; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import org.apache.beam.runners.flink.translation.types.CoderTypeSerializer.CoderTypeSerializerConfigSnapshot; |
| import org.apache.beam.sdk.coders.AtomicCoder; |
| import org.apache.beam.sdk.coders.Coder; |
| import org.apache.beam.sdk.coders.CoderException; |
| import org.apache.beam.sdk.coders.StringUtf8Coder; |
| import org.apache.flink.api.common.typeutils.ComparatorTestBase; |
| import org.apache.flink.api.common.typeutils.TypeSerializerConfigSnapshot; |
| import org.junit.Test; |
| |
| /** Tests {@link CoderTypeSerializer}. */ |
| public class CoderTypeSerializerTest { |
| |
| @Test |
| public void shouldWriteAndReadSnapshotForAnonymousClassCoder() throws Exception { |
| AtomicCoder<String> anonymousClassCoder = |
| new AtomicCoder<String>() { |
| |
| @Override |
| public void encode(String value, OutputStream outStream) |
| throws CoderException, IOException {} |
| |
| @Override |
| public String decode(InputStream inStream) throws CoderException, IOException { |
| return ""; |
| } |
| }; |
| |
| testWriteAndReadConfigSnapshot(anonymousClassCoder); |
| } |
| |
| @Test |
| public void shouldWriteAndReadSnapshotForConcreteClassCoder() throws Exception { |
| Coder<String> concreteClassCoder = StringUtf8Coder.of(); |
| testWriteAndReadConfigSnapshot(concreteClassCoder); |
| } |
| |
| private void testWriteAndReadConfigSnapshot(Coder<String> coder) throws IOException { |
| CoderTypeSerializer<String> serializer = new CoderTypeSerializer<>(coder); |
| |
| TypeSerializerConfigSnapshot writtenSnapshot = serializer.snapshotConfiguration(); |
| ComparatorTestBase.TestOutputView outView = new ComparatorTestBase.TestOutputView(); |
| writtenSnapshot.write(outView); |
| |
| TypeSerializerConfigSnapshot readSnapshot = new CoderTypeSerializerConfigSnapshot<>(); |
| readSnapshot.read(outView.getInputView()); |
| |
| assertThat(readSnapshot, is(writtenSnapshot)); |
| } |
| } |