/*
    * 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.hadoop.hbase.security.access;
  
  import static org.junit.Assert.assertEquals;
  
  import java.util.Arrays;
  import java.util.HashSet;
  import java.util.Set;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.hbase.HBaseConfiguration;
  import org.apache.hadoop.hbase.testclassification.SmallTests;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  
  /**
   * Tests the SecureBulkLoadEndpoint code.
   */
  @Category(SmallTests.class)
  public class TestSecureBulkLoadEndpoint {
  
    @Test
    public void testFileSystemsWithoutPermissionSupport() {
      final Configuration emptyConf = new Configuration(false);
      final Configuration defaultConf = HBaseConfiguration.create();
  
      final Set<String> expectedDefaultIgnoredSchemes = new HashSet<>(
          Arrays.asList(
            StringUtils.split(SecureBulkLoadEndpoint.FS_WITHOUT_SUPPORT_PERMISSION_DEFAULT, ',')));
  
      final SecureBulkLoadEndpoint endpoint = new SecureBulkLoadEndpoint();
  
      // Empty configuration should return the default list of schemes
      Set<String> defaultIgnoredSchemes = endpoint.getFileSystemSchemesWithoutPermissionSupport(
          emptyConf);
      assertEquals(defaultIgnoredSchemes, expectedDefaultIgnoredSchemes);
  
      // Default configuration (unset) should be the default list of schemes
      defaultIgnoredSchemes = endpoint.getFileSystemSchemesWithoutPermissionSupport(defaultConf);
      assertEquals(defaultIgnoredSchemes, expectedDefaultIgnoredSchemes);
  
      defaultConf.set(SecureBulkLoadEndpoint.FS_WITHOUT_SUPPORT_PERMISSION_KEY, "foo,bar");
      defaultIgnoredSchemes = endpoint.getFileSystemSchemesWithoutPermissionSupport(defaultConf);
      assertEquals(defaultIgnoredSchemes, new HashSet<String>(Arrays.asList("foo", "bar")));
    }
  }