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PARQUET-2418: Add integration test for BYTE_STREAM_SPLIT (#1255)
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78 changes: 78 additions & 0 deletions
78
parquet-hadoop/src/test/java/org/apache/parquet/hadoop/InterOpTester.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* | ||
| * 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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| package org.apache.parquet.hadoop; | ||
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| import java.io.IOException; | ||
| import okhttp3.OkHttpClient; | ||
| import okhttp3.Request; | ||
| import okhttp3.Response; | ||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.FSDataOutputStream; | ||
| import org.apache.hadoop.fs.FileSystem; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| public class InterOpTester { | ||
| private static final String PARQUET_TESTING_REPO = "https://github.com/apache/parquet-testing/raw/"; | ||
| private static final String PARQUET_TESTING_PATH = "target/parquet-testing/"; | ||
| private static final Logger LOG = LoggerFactory.getLogger(InterOpTester.class); | ||
| private OkHttpClient httpClient = new OkHttpClient(); | ||
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| public Path GetInterOpFile(String fileName, String changeset) throws IOException { | ||
| return GetInterOpFile(fileName, changeset, "data"); | ||
| } | ||
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| /** | ||
| * Get interOp file from parquet-testing repo, possibly downloading it. | ||
| * | ||
| * @param fileName The name of the file to get. | ||
| * @param changeset The changeset ID in the parquet-testing repo. | ||
| * @param subdir The subdirectory the file lives in inside the repo (for example "data"). | ||
| * @return Path The local path to the interOp file. | ||
| */ | ||
| public Path GetInterOpFile(String fileName, String changeset, String subdir) throws IOException { | ||
| Path rootPath = new Path(PARQUET_TESTING_PATH, subdir); | ||
| Configuration conf = new Configuration(); | ||
| FileSystem fs = rootPath.getFileSystem(conf); | ||
| if (!fs.exists(rootPath)) { | ||
| LOG.info("Create folder for interOp files: " + rootPath); | ||
| if (!fs.mkdirs(rootPath)) { | ||
| throw new IOException("Cannot create path " + rootPath); | ||
| } | ||
| } | ||
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| Path file = new Path(rootPath, fileName); | ||
| if (!fs.exists(file)) { | ||
| String downloadUrl = String.format("%s/%s/%s/%s", PARQUET_TESTING_REPO, changeset, subdir, fileName); | ||
| LOG.info("Download interOp file: " + downloadUrl); | ||
| Request request = new Request.Builder().url(downloadUrl).build(); | ||
| try (Response response = httpClient.newCall(request).execute()) { | ||
| if (!response.isSuccessful()) { | ||
| throw new IOException("Failed to download file: " + response); | ||
| } | ||
| try (FSDataOutputStream fdos = fs.create(file)) { | ||
| fdos.write(response.body().bytes()); | ||
| } | ||
| } | ||
| } | ||
| return file; | ||
| } | ||
| } |
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73
parquet-hadoop/src/test/java/org/apache/parquet/hadoop/TestInterOpReadByteStreamSplit.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| /* | ||
| * 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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| package org.apache.parquet.hadoop; | ||
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| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertTrue; | ||
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| import java.io.IOException; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.parquet.example.data.Group; | ||
| import org.apache.parquet.hadoop.example.GroupReadSupport; | ||
| import org.junit.Test; | ||
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| public class TestInterOpReadByteStreamSplit { | ||
| private InterOpTester interop = new InterOpTester(); | ||
| private static final String FLOATS_FILE = "byte_stream_split.zstd.parquet"; | ||
| private static final String CHANGESET = "4cb3cff"; | ||
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| @Test | ||
| public void testReadFloats() throws IOException { | ||
| Path floatsFile = interop.GetInterOpFile(FLOATS_FILE, CHANGESET); | ||
| final int expectRows = 300; | ||
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| try (ParquetReader<Group> reader = | ||
| ParquetReader.builder(new GroupReadSupport(), floatsFile).build()) { | ||
| for (int i = 0; i < expectRows; ++i) { | ||
| Group group = reader.read(); | ||
| assertTrue(group != null); | ||
| float fval = group.getFloat("f32", 0); | ||
| double dval = group.getDouble("f64", 0); | ||
| // Values are from the normal distribution | ||
| assertTrue(Math.abs(fval) < 4.0); | ||
| assertTrue(Math.abs(dval) < 4.0); | ||
| switch (i) { | ||
| case 0: | ||
| assertEquals(1.7640524f, fval, 0.0); | ||
| assertEquals(-1.3065268517353166, dval, 0.0); | ||
| break; | ||
| case 1: | ||
| assertEquals(0.4001572f, fval, 0.0); | ||
| assertEquals(1.658130679618188, dval, 0.0); | ||
| break; | ||
| case expectRows - 2: | ||
| assertEquals(-0.39944902f, fval, 0.0); | ||
| assertEquals(-0.9301565025243212, dval, 0.0); | ||
| break; | ||
| case expectRows - 1: | ||
| assertEquals(0.37005588f, fval, 0.0); | ||
| assertEquals(-0.17858909208732915, dval, 0.0); | ||
| break; | ||
| } | ||
| } | ||
| assertTrue(reader.read() == null); | ||
| } | ||
| } | ||
| } |
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