org.apache.drill.exec.dotdrill.TestDotDrillUtil.java Source code

Java tutorial

Introduction

Here is the source code for org.apache.drill.exec.dotdrill.TestDotDrillUtil.java

Source

/*
 * 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.drill.exec.dotdrill;

import java.io.File;
import java.nio.file.Paths;
import java.nio.file.Files;
import java.util.List;

import static org.junit.Assert.assertTrue;

import org.apache.drill.exec.store.dfs.DrillFileSystem;
import org.apache.drill.test.BaseDirTestWatcher;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;

public class TestDotDrillUtil {

    private static File tempDir;
    private static Path tempPath;
    private static DrillFileSystem dfs;

    @ClassRule
    public static final BaseDirTestWatcher dirTestWatcher = new BaseDirTestWatcher();

    @BeforeClass
    public static void setup() throws Exception {
        Configuration conf = new Configuration();
        conf.set(FileSystem.FS_DEFAULT_NAME_KEY, FileSystem.DEFAULT_FS);
        dfs = new DrillFileSystem(conf);
        tempDir = dirTestWatcher.getTmpDir();
        tempPath = new Path(tempDir.getAbsolutePath());
    }

    @Test //DRILL-6640
    public void testViewFileStatus() throws Exception {
        List<DotDrillFile> dotDrillFiles;

        Files.createFile(Paths.get(tempDir + "/test1.view.drill"));
        Files.createFile(Paths.get(tempDir + "/test2.view.drill"));
        Files.createFile(Paths.get(tempDir + "/test1.txt"));

        // Check for view file by passing file name without extension
        dotDrillFiles = DotDrillUtil.getDotDrills(dfs, tempPath, "test1", DotDrillType.VIEW);
        assertTrue(dotDrillFiles.size() == 1);

        // Check for dot drill file by passing full name
        dotDrillFiles = DotDrillUtil.getDotDrills(dfs, tempPath, "test1.view.drill");
        assertTrue(dotDrillFiles.size() == 1);

        // Check for dot drill files by passing pattern *.drill
        dotDrillFiles = DotDrillUtil.getDotDrills(dfs, tempPath, "*.drill");
        assertTrue(dotDrillFiles.size() >= 2);

        // Check for non existent file
        dotDrillFiles = DotDrillUtil.getDotDrills(dfs, tempPath, "junkfile", DotDrillType.VIEW);
        assertTrue(dotDrillFiles.size() == 0);

        // Check for existing file which is not a drill view file
        dotDrillFiles = DotDrillUtil.getDotDrills(dfs, tempPath, "test1.txt", DotDrillType.VIEW);
        assertTrue(dotDrillFiles.size() == 0);

        // Check for views files by passing file name having glob without any extension
        dotDrillFiles = DotDrillUtil.getDotDrills(dfs, tempPath, "test*", DotDrillType.VIEW);
        assertTrue(dotDrillFiles.size() >= 2);
    }

    @Test //DRILL-6640
    public void testDotFilesStatus() throws Exception {
        String filePrefix = "sample";
        //Creating different Dot Drill files supported for base file name "sample"
        for (DotDrillType dotType : DotDrillType.values()) {
            Files.createFile(Paths.get(tempDir + "/" + filePrefix + dotType.getEnding()));
        }
        // Check Dot File count for "sample" file created for available Drill dot types
        List<DotDrillFile> dotDrillFiles = DotDrillUtil.getDotDrills(dfs, tempPath, "sample");
        assertTrue(dotDrillFiles.size() == DotDrillType.values().length);
    }

}