| /* |
| * 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.core.construction.renderer; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.apache.beam.sdk.testing.TestPipeline; |
| import org.apache.beam.sdk.transforms.Create; |
| import org.apache.beam.sdk.transforms.Sum; |
| import org.apache.beam.sdk.transforms.windowing.FixedWindows; |
| import org.apache.beam.sdk.transforms.windowing.Window; |
| import org.apache.beam.sdk.values.KV; |
| import org.apache.beam.sdk.values.TimestampedValue; |
| import org.joda.time.Duration; |
| import org.joda.time.Instant; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link PipelineDotRenderer}. */ |
| @RunWith(JUnit4.class) |
| public class PipelineDotRendererTest { |
| @Rule public final transient TestPipeline p = TestPipeline.create(); |
| |
| @Test |
| public void testEmptyPipeline() { |
| assertEquals( |
| "digraph {" |
| + " rankdir=LR" |
| + " subgraph cluster_0 {" |
| + " label = \"\"" |
| + " }" |
| + "}", |
| PipelineDotRenderer.toDotString(p).replaceAll(System.lineSeparator(), "")); |
| } |
| |
| @Test |
| public void testCompositePipeline() { |
| p.apply(Create.timestamped(TimestampedValue.of(KV.of(1, 1), new Instant(1)))) |
| .apply(Window.into(FixedWindows.of(Duration.millis(10)))) |
| .apply(Sum.integersPerKey()); |
| assertEquals( |
| "digraph {" |
| + " rankdir=LR" |
| + " subgraph cluster_0 {" |
| + " label = \"\"" |
| + " subgraph cluster_1 {" |
| + " label = \"Create.TimestampedValues\"" |
| + " subgraph cluster_2 {" |
| + " label = \"Create.TimestampedValues/Create.Values\"" |
| + " 3 [label=\"Read(CreateSource)\"]" |
| + " }" |
| + " subgraph cluster_4 {" |
| + " label = \"Create.TimestampedValues/ParDo(ConvertTimestamps)\"" |
| + " 5 [label=\"ParMultiDo(ConvertTimestamps)\"]" |
| + " 3 -> 5 [style=solid label=\"\"]" |
| + " }" |
| + " }" |
| + " subgraph cluster_6 {" |
| + " label = \"Window.Into()\"" |
| + " 7 [label=\"Window.Assign\"]" |
| + " 5 -> 7 [style=solid label=\"\"]" |
| + " }" |
| + " subgraph cluster_8 {" |
| + " label = \"Combine.perKey(SumInteger)\"" |
| + " 9 [label=\"GroupByKey\"]" |
| + " 7 -> 9 [style=solid label=\"\"]" |
| + " subgraph cluster_10 {" |
| + " label = \"Combine.perKey(SumInteger)/Combine.GroupedValues\"" |
| + " subgraph cluster_11 {" |
| + " label = \"Combine.perKey(SumInteger)/Combine.GroupedValues/ParDo(Anonymous)\"" |
| + " 12 [label=\"ParMultiDo(Anonymous)\"]" |
| + " 9 -> 12 [style=solid label=\"\"]" |
| + " }" |
| + " }" |
| + " }" |
| + " }" |
| + "}", |
| PipelineDotRenderer.toDotString(p).replaceAll(System.lineSeparator(), "")); |
| } |
| } |