| /* |
| * 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.coders; |
| |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| 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.Lists; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.primitives.UnsignedBytes; |
| import org.joda.time.Instant; |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link InstantCoder}. */ |
| @RunWith(JUnit4.class) |
| public class InstantCoderTest { |
| |
| private static final InstantCoder TEST_CODER = InstantCoder.of(); |
| |
| private static final List<Long> TEST_TIMESTAMPS = |
| Arrays.asList(0L, 1L, -1L, -255L, 256L, Long.MIN_VALUE, Long.MAX_VALUE); |
| |
| private static final List<Instant> TEST_VALUES; |
| |
| static { |
| TEST_VALUES = Lists.newArrayList(); |
| for (long timestamp : TEST_TIMESTAMPS) { |
| TEST_VALUES.add(new Instant(timestamp)); |
| } |
| } |
| |
| @Test |
| public void testBasicEncoding() throws Exception { |
| for (Instant value : TEST_VALUES) { |
| CoderProperties.coderDecodeEncodeEqual(TEST_CODER, value); |
| } |
| } |
| |
| @Test |
| public void testOrderedEncoding() throws Exception { |
| List<Long> sortedTimestamps = new ArrayList<>(TEST_TIMESTAMPS); |
| Collections.sort(sortedTimestamps); |
| |
| List<byte[]> encodings = new ArrayList<>(sortedTimestamps.size()); |
| for (long timestamp : sortedTimestamps) { |
| encodings.add(CoderUtils.encodeToByteArray(TEST_CODER, new Instant(timestamp))); |
| } |
| |
| // Verify that the encodings were already sorted, since they were generated |
| // in the correct order. |
| List<byte[]> sortedEncodings = new ArrayList<>(encodings); |
| sortedEncodings.sort(UnsignedBytes.lexicographicalComparator()); |
| |
| Assert.assertEquals(encodings, sortedEncodings); |
| } |
| |
| /** |
| * Generated data to check that the wire format has not changed. To regenerate, see {@link |
| * org.apache.beam.sdk.coders.PrintBase64Encodings}. |
| */ |
| private static final List<String> TEST_ENCODINGS = |
| Arrays.asList( |
| "gAAAAAAAAAA", |
| "gAAAAAAAAAE", |
| "f_________8", |
| "f________wE", |
| "gAAAAAAAAQA", |
| "AAAAAAAAAAA", |
| "__________8"); |
| |
| @Test |
| public void testWireFormatEncode() throws Exception { |
| CoderProperties.coderEncodesBase64(TEST_CODER, TEST_VALUES, TEST_ENCODINGS); |
| } |
| |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| @Test |
| public void encodeNullThrowsCoderException() throws Exception { |
| thrown.expect(CoderException.class); |
| thrown.expectMessage("cannot encode a null Instant"); |
| |
| CoderUtils.encodeToBase64(TEST_CODER, null); |
| } |
| |
| @Test |
| public void testEncodedTypeDescriptor() throws Exception { |
| assertThat(TEST_CODER.getEncodedTypeDescriptor(), equalTo(TypeDescriptor.of(Instant.class))); |
| } |
| } |