content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.underfs.s3a;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertThrows;
  import static org.junit.Assert.assertTrue;
  
  import alluxio.conf.AlluxioConfiguration;
  import alluxio.conf.Configuration;
  import alluxio.underfs.UnderFileSystem;
  import alluxio.underfs.UnderFileSystemConfiguration;
  import alluxio.underfs.UnderFileSystemFactory;
  import alluxio.underfs.UnderFileSystemFactoryRegistry;
  
  import org.junit.Test;
  
  /**
   * Unit tests for the {@link S3AUnderFileSystemFactory}.
   */
  public class S3AUnderFileSystemFactoryTest {
    private final String mS3APath = "s3a://test-bucket/path";
    private final String mS3Path = "s3://test-bucket/path";
    private final String mS3NPath = "s3n://test-bucket/path";
    private final AlluxioConfiguration mAlluxioConf = Configuration.global();
    private final UnderFileSystemConfiguration mConf =
        UnderFileSystemConfiguration.defaults(mAlluxioConf);
    private final UnderFileSystemFactory mFactory1 =
        UnderFileSystemFactoryRegistry.find(mS3APath, mAlluxioConf);
  
    @Test
    public void factory() {
      UnderFileSystemFactory factory2 = UnderFileSystemFactoryRegistry.find(
          mS3Path, mAlluxioConf);
      UnderFileSystemFactory factory3 = UnderFileSystemFactoryRegistry.find(
          mS3NPath, mAlluxioConf);
  
      assertNotNull(mFactory1);
      assertNotNull(factory2);
      assertNull(factory3);
    }
  
    @Test
    public void createInstanceWithNullPath() {
      Exception e = assertThrows(NullPointerException.class, () -> mFactory1.create(
          null, mConf));
      assertTrue(e.getMessage().contains("Unable to create UnderFileSystem instance: URI "
          + "path should not be null"));
    }
  
    @Test
    public void createInstanceWithPath() {
      UnderFileSystem ufs = mFactory1.create(mS3APath, mConf);
      assertNotNull(ufs);
      assertTrue(ufs instanceof S3AUnderFileSystem);
    }
  
    @Test
    public void supportsPath() {
      assertTrue(mFactory1.supportsPath(mS3APath));
      assertTrue(mFactory1.supportsPath(mS3Path));
      assertFalse(mFactory1.supportsPath(mS3NPath));
      assertFalse(mFactory1.supportsPath(null));
      assertFalse(mFactory1.supportsPath("Invalid_Path"));
      assertFalse(mFactory1.supportsPath("hdfs://test-bucket/path"));
    }
  }
  