org.apache.druid.storage.azure.AzureDataSegmentPullerTest.java Source code

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Here is the source code for org.apache.druid.storage.azure.AzureDataSegmentPullerTest.java

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/*
 * 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.druid.storage.azure;

import com.microsoft.azure.storage.StorageException;
import org.apache.druid.java.util.common.FileUtils;
import org.apache.druid.segment.loading.SegmentLoadingException;
import org.easymock.EasyMockSupport;
import org.junit.Before;
import org.junit.Test;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.nio.file.Files;

import static org.easymock.EasyMock.expect;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

public class AzureDataSegmentPullerTest extends EasyMockSupport {

    private static final String SEGMENT_FILE_NAME = "segment";
    private static final String containerName = "container";
    private static final String blobPath = "/path/to/storage/index.zip";
    private AzureStorage azureStorage;

    @Before
    public void before() {
        azureStorage = createMock(AzureStorage.class);
    }

    @Test
    public void testZIPUncompress()
            throws SegmentLoadingException, URISyntaxException, StorageException, IOException {
        final String value = "bucket";
        final File pulledFile = AzureTestUtils.createZipTempFile(SEGMENT_FILE_NAME, value);
        final File toDir = Files.createTempDirectory("druid").toFile();
        try {
            final InputStream zipStream = new FileInputStream(pulledFile);

            expect(azureStorage.getBlobInputStream(containerName, blobPath)).andReturn(zipStream);

            replayAll();

            AzureDataSegmentPuller puller = new AzureDataSegmentPuller(azureStorage);

            FileUtils.FileCopyResult result = puller.getSegmentFiles(containerName, blobPath, toDir);

            File expected = new File(toDir, SEGMENT_FILE_NAME);
            assertEquals(value.length(), result.size());
            assertTrue(expected.exists());
            assertEquals(value.length(), expected.length());

            verifyAll();
        } finally {
            pulledFile.delete();
            org.apache.commons.io.FileUtils.deleteDirectory(toDir);
        }
    }

    @Test(expected = RuntimeException.class)
    public void testDeleteOutputDirectoryWhenErrorIsRaisedPullingSegmentFiles()
            throws IOException, URISyntaxException, StorageException, SegmentLoadingException {

        final File outDir = Files.createTempDirectory("druid").toFile();
        try {
            expect(azureStorage.getBlobInputStream(containerName, blobPath))
                    .andThrow(new URISyntaxException("error", "error", 404));

            replayAll();

            AzureDataSegmentPuller puller = new AzureDataSegmentPuller(azureStorage);

            puller.getSegmentFiles(containerName, blobPath, outDir);

            assertFalse(outDir.exists());

            verifyAll();
        } finally {
            org.apache.commons.io.FileUtils.deleteDirectory(outDir);
        }

    }
}