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WIP: Move test to sdks/io directory.
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sdks/java/io/jdbc/src/test/java/org/apache/beam/sdk/io/text/TextIOIT.java
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <!-- | ||
| 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. | ||
| --> | ||
|
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| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
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| <modelVersion>4.0.0</modelVersion> | ||
| <build> | ||
| <plugins> | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-compiler-plugin</artifactId> | ||
| <configuration> | ||
| <source>1.8</source> | ||
| <target>1.8</target> | ||
| </configuration> | ||
| </plugin> | ||
| </plugins> | ||
| </build> | ||
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| <parent> | ||
| <groupId>org.apache.beam</groupId> | ||
| <artifactId>beam-sdks-java-io-parent</artifactId> | ||
| <version>2.3.0-SNAPSHOT</version> | ||
| <relativePath>../pom.xml</relativePath> | ||
| </parent> | ||
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| <artifactId>beam-sdks-java-io-text</artifactId> | ||
| <name>Apache Beam :: SDKs :: Java :: IO :: Text</name> | ||
| <description>IO to read and write on Text datasource.</description> | ||
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| <dependencies> | ||
| <dependency> | ||
| <groupId>org.apache.beam</groupId> | ||
| <artifactId>beam-sdks-java-core</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.apache.beam</groupId> | ||
| <artifactId>beam-runners-direct-java</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>com.google.guava</groupId> | ||
| <artifactId>guava</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>junit</groupId> | ||
| <artifactId>junit</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.hamcrest</groupId> | ||
| <artifactId>hamcrest-all</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.apache.beam</groupId> | ||
| <artifactId>beam-sdks-java-io-common</artifactId> | ||
| <scope>test</scope> | ||
| <classifier>tests</classifier> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>org.apache.beam</groupId> | ||
| <artifactId>beam-sdks-java-io-common</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| </dependencies> | ||
| </project> |
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sdks/java/io/text/src/test/java/org/apache/beam/sdk/io/text/TextIOIT.java
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| package org.apache.beam.sdk.io.text; | ||
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| import com.google.common.hash.Hashing; | ||
| import java.nio.charset.StandardCharsets; | ||
| import org.apache.beam.sdk.io.GenerateSequence; | ||
| import org.apache.beam.sdk.io.TextIO; | ||
| import org.apache.beam.sdk.io.common.HashingFn; | ||
| import org.apache.beam.sdk.testing.PAssert; | ||
| import org.apache.beam.sdk.testing.TestPipeline; | ||
| import org.apache.beam.sdk.transforms.Combine; | ||
| import org.apache.beam.sdk.transforms.MapElements; | ||
| import org.apache.beam.sdk.transforms.SerializableFunction; | ||
| import org.apache.beam.sdk.values.PCollection; | ||
| import org.apache.beam.sdk.values.TypeDescriptors; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.JUnit4; | ||
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| /** A test of {@link org.apache.beam.sdk.io.TextIO}. */ | ||
| @RunWith(JUnit4.class) | ||
| public class TextIOIT { | ||
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| private static final String FILE_BASENAME = "textioit"; | ||
| private static final long LINES_OF_TEXT_COUNT = 10000L; | ||
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| @Rule public TestPipeline pipelineWrite = TestPipeline.create(); | ||
| @Rule public TestPipeline pipelineRead = TestPipeline.create(); | ||
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| @Test | ||
| public void testWriteThenRead() { | ||
| runWrite(); | ||
| runRead(); | ||
| } | ||
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| private void runWrite() { | ||
| pipelineWrite | ||
| .apply(GenerateSequence.from(0).to(LINES_OF_TEXT_COUNT)) | ||
| .apply(MapElements.into(TypeDescriptors.strings()).via(produceTextLine())) | ||
| .apply(TextIO.write().to(FILE_BASENAME)); | ||
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| pipelineWrite.run().waitUntilFinish(); | ||
| } | ||
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| private SerializableFunction<Long, String> produceTextLine() { | ||
| return (SerializableFunction<Long, String>) | ||
| seed -> | ||
| Hashing.murmur3_128().hashString(seed.toString(), StandardCharsets.UTF_8).toString(); | ||
| } | ||
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| private void runRead() { | ||
| PCollection<String> files = | ||
| pipelineRead.apply(TextIO.read().from(String.format("%s*", FILE_BASENAME))); | ||
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| PCollection<String> consolidatedHashcode = | ||
| files.apply(Combine.globally(new HashingFn()).withoutDefaults()); | ||
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| PAssert.that(consolidatedHashcode).containsInAnyOrder("ccae48ff685c1822e9f4d510363bf018"); | ||
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| pipelineRead.run().waitUntilFinish(); | ||
| } | ||
| } | ||
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| /* | ||
| Next steps: | ||
| - use one pipeline instead of the two (investigation) | ||
| - Should we pre calculate them or calculate them during test runs? | ||
| - test setup & cleanup | ||
| - Better files destination (filesystem? path?) | ||
| - parametrize this test (data amount, filesystem, path) | ||
| */ |