| /* |
| * 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 org.apache.beam.sdk.transforms.windowing.BoundedWindow; |
| import org.apache.beam.sdk.transforms.windowing.GlobalWindow; |
| import org.apache.beam.sdk.transforms.windowing.IncompatibleWindowException; |
| import org.apache.beam.sdk.transforms.windowing.IntervalWindow; |
| import org.apache.beam.sdk.transforms.windowing.WindowFn; |
| import org.apache.beam.vendor.guava.v20_0.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 StaticWindows}. */ |
| @RunWith(JUnit4.class) |
| public class StaticWindowsTest { |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| private final IntervalWindow first = new IntervalWindow(new Instant(0), new Instant(100_000L)); |
| private final IntervalWindow second = |
| new IntervalWindow(new Instant(1_000_000L), GlobalWindow.INSTANCE.maxTimestamp()); |
| |
| @Test |
| public void singleWindowSucceeds() throws Exception { |
| WindowFn<Object, BoundedWindow> fn = StaticWindows.of(IntervalWindow.getCoder(), first); |
| assertThat(WindowFnTestUtils.assignedWindows(fn, 100L), Matchers.contains(first)); |
| assertThat(WindowFnTestUtils.assignedWindows(fn, -100L), Matchers.contains(first)); |
| } |
| |
| @Test |
| public void multipleWindowsSucceeds() throws Exception { |
| WindowFn<Object, BoundedWindow> fn = |
| StaticWindows.of(IntervalWindow.getCoder(), ImmutableList.of(first, second)); |
| assertThat( |
| WindowFnTestUtils.assignedWindows(fn, 100L), Matchers.containsInAnyOrder(first, second)); |
| assertThat( |
| WindowFnTestUtils.assignedWindows(fn, 1_000_000_000L), |
| Matchers.containsInAnyOrder(first, second)); |
| assertThat( |
| WindowFnTestUtils.assignedWindows(fn, -100L), Matchers.containsInAnyOrder(first, second)); |
| } |
| |
| @Test |
| public void getSideInputWindowIdentity() { |
| WindowFn<Object, BoundedWindow> fn = |
| StaticWindows.of(IntervalWindow.getCoder(), ImmutableList.of(first, second)); |
| |
| assertThat(fn.getDefaultWindowMappingFn().getSideInputWindow(first), Matchers.equalTo(first)); |
| assertThat(fn.getDefaultWindowMappingFn().getSideInputWindow(second), Matchers.equalTo(second)); |
| } |
| |
| @Test |
| public void getSideInputWindowNotPresent() { |
| WindowFn<Object, BoundedWindow> fn = |
| StaticWindows.of(IntervalWindow.getCoder(), ImmutableList.of(second)); |
| thrown.expect(IllegalArgumentException.class); |
| thrown.expectMessage("contains"); |
| fn.getDefaultWindowMappingFn().getSideInputWindow(first); |
| } |
| |
| @Test |
| public void emptyIterableThrows() { |
| thrown.expect(IllegalArgumentException.class); |
| thrown.expectMessage("may not be empty"); |
| StaticWindows.of(GlobalWindow.Coder.INSTANCE, ImmutableList.of()); |
| } |
| |
| @Test |
| public void testCompatibility() throws IncompatibleWindowException { |
| StaticWindows staticWindows = |
| StaticWindows.of(IntervalWindow.getCoder(), ImmutableList.of(first, second)); |
| staticWindows.verifyCompatibility( |
| StaticWindows.of(IntervalWindow.getCoder(), ImmutableList.of(first, second))); |
| thrown.expect(IncompatibleWindowException.class); |
| staticWindows.verifyCompatibility( |
| StaticWindows.of(IntervalWindow.getCoder(), ImmutableList.of(first))); |
| } |
| } |