| /* |
| * 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.testing; |
| |
| import static org.junit.Assert.assertThat; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.Collections; |
| import org.apache.beam.sdk.coders.AtomicCoder; |
| import org.apache.beam.sdk.coders.CoderException; |
| import org.apache.beam.sdk.transforms.windowing.BoundedWindow; |
| import org.apache.beam.sdk.transforms.windowing.IntervalWindow; |
| import org.apache.beam.sdk.util.SerializableUtils; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList; |
| import org.hamcrest.Matchers; |
| import org.joda.time.Instant; |
| 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 WindowSupplier}. */ |
| @RunWith(JUnit4.class) |
| public class WindowSupplierTest { |
| private final IntervalWindow window = new IntervalWindow(new Instant(0L), new Instant(100L)); |
| private final IntervalWindow otherWindow = |
| new IntervalWindow(new Instant(-100L), new Instant(100L)); |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| @Test |
| public void getReturnsProvidedWindows() { |
| assertThat( |
| WindowSupplier.of(IntervalWindow.getCoder(), ImmutableList.of(window, otherWindow)).get(), |
| Matchers.containsInAnyOrder(otherWindow, window)); |
| } |
| |
| @Test |
| public void getAfterSerialization() { |
| WindowSupplier supplier = |
| WindowSupplier.of(IntervalWindow.getCoder(), ImmutableList.of(window, otherWindow)); |
| assertThat( |
| SerializableUtils.clone(supplier).get(), Matchers.containsInAnyOrder(otherWindow, window)); |
| } |
| |
| @Test |
| public void unencodableWindowFails() { |
| thrown.expect(IllegalArgumentException.class); |
| thrown.expectMessage("Could not encode"); |
| WindowSupplier.of(new FailingCoder(), Collections.singleton(window)); |
| } |
| |
| private static class FailingCoder extends AtomicCoder<BoundedWindow> { |
| @Override |
| public void encode(BoundedWindow value, OutputStream outStream) |
| throws CoderException, IOException { |
| throw new CoderException("Test Encode Exception"); |
| } |
| |
| @Override |
| public BoundedWindow decode(InputStream inStream) throws CoderException, IOException { |
| throw new CoderException("Test Decode Exception"); |
| } |
| } |
| } |