/**
 * 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.ambari.view.utils.hdfs;

import org.apache.ambari.view.ViewContext;
import org.apache.ambari.view.cluster.Cluster;
import org.easymock.EasyMockSupport;
import org.junit.Test;

import java.util.HashMap;
import java.util.Map;

import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.junit.Assert.*;

public class ConfigurationBuilderTest extends EasyMockSupport {
  @Test
  public void testAddProtocolMissing() throws Exception {
    String normalized = ConfigurationBuilder.addProtocolIfMissing("namenode.example.com:50070");
    assertEquals(normalized, "webhdfs://namenode.example.com:50070");
  }

  @Test
  public void testAddProtocolPresent() throws Exception {
    String normalized = ConfigurationBuilder.addProtocolIfMissing("webhdfs://namenode.example.com");
    assertEquals(normalized, "webhdfs://namenode.example.com");
  }

  @Test
  public void testAddPortMissing() throws Exception {
    String normalized = ConfigurationBuilder.addPortIfMissing("webhdfs://namenode.example.com");
    assertEquals(normalized, "webhdfs://namenode.example.com:50070");
  }

  @Test
  public void testAddPortPresent() throws Exception {
    String normalized = ConfigurationBuilder.addPortIfMissing("webhdfs://namenode.example.com:50070");
    assertEquals(normalized, "webhdfs://namenode.example.com:50070");
  }

  @Test
  public void testGetEncryptionKeyProviderUri() throws Exception {
    //For View with an associated cluster must return the following KeyProvider
    //For View with NO cluster associated with it, getEncryptionKeyProviderUri() won't be called

    String keyProvider = "kms://http@localhost:16000/kms";
    Cluster cluster = createNiceMock(Cluster.class);
    expect(cluster.getConfigurationValue("hdfs-site", "dfs.encryption.key.provider.uri")).andReturn(keyProvider);
    replay(cluster);

    ViewContext viewContext = createNiceMock(ViewContext.class);
    expect(viewContext.getCluster()).andReturn(cluster);
    Map<String, String> instanceProperties = new HashMap<>();
    expect(viewContext.getProperties()).andReturn(instanceProperties).anyTimes();
    replay(viewContext);

    ConfigurationBuilder configurationBuilder = new ConfigurationBuilder(viewContext);
    String encryptionKeyProviderUri = configurationBuilder.getEncryptionKeyProviderUri();

    assertEquals(encryptionKeyProviderUri, keyProvider);
  }
}