| /* |
| * 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.sdk.extensions.protobuf; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| |
| import java.util.Collections; |
| import org.apache.beam.sdk.coders.CannotProvideCoderException; |
| import org.apache.beam.sdk.coders.Coder; |
| import org.apache.beam.sdk.coders.Coder.NonDeterministicException; |
| import org.apache.beam.sdk.coders.CoderException; |
| import org.apache.beam.sdk.coders.ListCoder; |
| import org.apache.beam.sdk.extensions.protobuf.Proto2CoderTestMessages.MessageA; |
| import org.apache.beam.sdk.extensions.protobuf.Proto2CoderTestMessages.MessageB; |
| import org.apache.beam.sdk.extensions.protobuf.Proto2CoderTestMessages.MessageC; |
| import org.apache.beam.sdk.extensions.protobuf.Proto2CoderTestMessages.MessageWithMap; |
| import org.apache.beam.sdk.testing.CoderProperties; |
| import org.apache.beam.sdk.util.CoderUtils; |
| import org.apache.beam.sdk.values.TypeDescriptor; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link ProtoCoder}. */ |
| @RunWith(JUnit4.class) |
| public class ProtoCoderTest { |
| |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| @Test |
| public void testFactoryMethodAgreement() throws Exception { |
| assertEquals(ProtoCoder.of(new TypeDescriptor<MessageA>() {}), ProtoCoder.of(MessageA.class)); |
| |
| assertEquals( |
| ProtoCoder.of(new TypeDescriptor<MessageA>() {}), |
| ProtoCoder.getCoderProvider() |
| .coderFor(new TypeDescriptor<MessageA>() {}, Collections.emptyList())); |
| } |
| |
| @Test |
| public void testProviderCannotProvideCoder() throws Exception { |
| thrown.expect(CannotProvideCoderException.class); |
| thrown.expectMessage("java.lang.Integer is not a subclass of com.google.protobuf.Message"); |
| |
| ProtoCoder.getCoderProvider() |
| .coderFor(new TypeDescriptor<Integer>() {}, Collections.emptyList()); |
| } |
| |
| @Test |
| public void testCoderEncodeDecodeEqual() throws Exception { |
| MessageA value = |
| MessageA.newBuilder() |
| .setField1("hello") |
| .addField2(MessageB.newBuilder().setField1(true).build()) |
| .addField2(MessageB.newBuilder().setField1(false).build()) |
| .build(); |
| CoderProperties.coderDecodeEncodeEqual(ProtoCoder.of(MessageA.class), value); |
| } |
| |
| @Test |
| public void testCoderEncodeDecodeEqualNestedContext() throws Exception { |
| MessageA value1 = |
| MessageA.newBuilder() |
| .setField1("hello") |
| .addField2(MessageB.newBuilder().setField1(true).build()) |
| .addField2(MessageB.newBuilder().setField1(false).build()) |
| .build(); |
| MessageA value2 = |
| MessageA.newBuilder() |
| .setField1("world") |
| .addField2(MessageB.newBuilder().setField1(false).build()) |
| .addField2(MessageB.newBuilder().setField1(true).build()) |
| .build(); |
| CoderProperties.coderDecodeEncodeEqual( |
| ListCoder.of(ProtoCoder.of(MessageA.class)), ImmutableList.of(value1, value2)); |
| } |
| |
| @Test |
| public void testCoderEncodeDecodeExtensionsEqual() throws Exception { |
| MessageC value = |
| MessageC.newBuilder() |
| .setExtension( |
| Proto2CoderTestMessages.field1, |
| MessageA.newBuilder() |
| .setField1("hello") |
| .addField2(MessageB.newBuilder().setField1(true).build()) |
| .build()) |
| .setExtension( |
| Proto2CoderTestMessages.field2, MessageB.newBuilder().setField1(false).build()) |
| .build(); |
| CoderProperties.coderDecodeEncodeEqual( |
| ProtoCoder.of(MessageC.class).withExtensionsFrom(Proto2CoderTestMessages.class), value); |
| } |
| |
| @Test |
| public void testCoderSerialization() throws Exception { |
| ProtoCoder<MessageA> coder = ProtoCoder.of(MessageA.class); |
| CoderProperties.coderSerializable(coder); |
| } |
| |
| @Test |
| public void testCoderExtensionsSerialization() throws Exception { |
| ProtoCoder<MessageC> coder = |
| ProtoCoder.of(MessageC.class).withExtensionsFrom(Proto2CoderTestMessages.class); |
| CoderProperties.coderSerializable(coder); |
| } |
| |
| @Test |
| public void encodeNullThrowsCoderException() throws Exception { |
| thrown.expect(CoderException.class); |
| thrown.expectMessage("cannot encode a null MessageA"); |
| |
| CoderUtils.encodeToBase64(ProtoCoder.of(MessageA.class), null); |
| } |
| |
| @Test |
| public void testDeterministicCoder() throws NonDeterministicException { |
| Coder<MessageA> coder = ProtoCoder.of(MessageA.class); |
| coder.verifyDeterministic(); |
| } |
| |
| @Test |
| public void testNonDeterministicCoder() throws NonDeterministicException { |
| thrown.expect(NonDeterministicException.class); |
| thrown.expectMessage(MessageWithMap.class.getName() + " transitively includes Map field"); |
| |
| Coder<MessageWithMap> coder = ProtoCoder.of(MessageWithMap.class); |
| coder.verifyDeterministic(); |
| } |
| |
| @Test |
| public void testNonDeterministicProperty() throws CoderException { |
| MessageWithMap.Builder msg1B = MessageWithMap.newBuilder(); |
| MessageWithMap.Builder msg2B = MessageWithMap.newBuilder(); |
| |
| // Built in reverse order but with equal contents. |
| for (int i = 0; i < 10; ++i) { |
| msg1B.getMutableField1().put("key" + i, MessageA.getDefaultInstance()); |
| msg2B.getMutableField1().put("key" + (9 - i), MessageA.getDefaultInstance()); |
| } |
| |
| // Assert the messages are equal. |
| MessageWithMap msg1 = msg1B.build(); |
| MessageWithMap msg2 = msg2B.build(); |
| assertEquals(msg2, msg1); |
| |
| // Assert the encoded messages are not equal. |
| Coder<MessageWithMap> coder = ProtoCoder.of(MessageWithMap.class); |
| assertNotEquals(CoderUtils.encodeToBase64(coder, msg2), CoderUtils.encodeToBase64(coder, msg1)); |
| } |
| } |