content: /*
   * 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.server.controller.internal;
  
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.ambari.server.controller.spi.Predicate;
  import org.apache.ambari.server.controller.spi.Request;
  import org.apache.ambari.server.controller.spi.Resource;
  import org.apache.ambari.server.controller.spi.SystemException;
  import org.apache.ambari.server.controller.utilities.PropertyHelper;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Abstract metric provider tests.
   */
  public class AbstractPropertyProviderTest {
  
  
    @Test
    public void testGetComponentMetrics() {
      Map<String, Map<String, PropertyInfo>> componentMetrics = PropertyHelper.getMetricPropertyIds(Resource.Type.HostComponent);
      AbstractPropertyProvider provider = new TestPropertyProvider(componentMetrics);
      Assert.assertEquals(componentMetrics, provider.getComponentMetrics());
    }
  
    @Test
    public void testGetPropertyInfoMap() {
      AbstractPropertyProvider provider = new TestPropertyProvider(PropertyHelper.getMetricPropertyIds(Resource.Type.HostComponent));
  
      // specific property
      Map<String, PropertyInfo> propertyInfoMap = provider.getPropertyInfoMap("NAMENODE", "metrics/cpu/cpu_aidle");
      Assert.assertEquals(1, propertyInfoMap.size());
      Assert.assertTrue(propertyInfoMap.containsKey("metrics/cpu/cpu_aidle"));
  
      // category
      propertyInfoMap = provider.getPropertyInfoMap("NAMENODE", "metrics/disk");
      Assert.assertEquals(3, propertyInfoMap.size());
      Assert.assertTrue(propertyInfoMap.containsKey("metrics/disk/disk_free"));
      Assert.assertTrue(propertyInfoMap.containsKey("metrics/disk/disk_total"));
      Assert.assertTrue(propertyInfoMap.containsKey("metrics/disk/part_max_used"));
    }
  
    @Test
    public void testGetJMXPropertyInfoMap() {
      AbstractPropertyProvider provider = new TestPropertyProvider(
        PropertyHelper.getJMXPropertyIds(Resource.Type.HostComponent));
  
      // top level category
      Map<String, PropertyInfo> propertyInfoMap = provider.getPropertyInfoMap("DATANODE", "metrics");
      Assert.assertEquals(86, propertyInfoMap.size());
  
      // specific property
      propertyInfoMap = provider.getPropertyInfoMap("DATANODE", "metrics/rpc/RpcQueueTime_avg_time");
      Assert.assertEquals(1, propertyInfoMap.size());
      Assert.assertTrue(propertyInfoMap.containsKey("metrics/rpc/RpcQueueTime_avg_time"));
  
      // category
      propertyInfoMap = provider.getPropertyInfoMap("DATANODE", "metrics/rpc/");
      Assert.assertEquals(12, propertyInfoMap.size());
      Assert.assertTrue(propertyInfoMap.containsKey("metrics/rpc/RpcQueueTime_avg_time"));
    }
  
    @Test
    public void testSubstituteArguments() throws Exception
    {
      //simple substitute
      String newPropertyId = AbstractPropertyProvider.substituteArgument("category/name1/$1/name2/$2", "$1", "foo");
      Assert.assertEquals("category/name1/foo/name2/$2", newPropertyId);
  
      newPropertyId = AbstractPropertyProvider.substituteArgument("category/name1/$1/name2/$2", "$2", "bar");
      Assert.assertEquals("category/name1/$1/name2/bar", newPropertyId);
  
      //substitute with method
      newPropertyId = AbstractPropertyProvider.substituteArgument(
          "category/name1/$1.toLowerCase()/name2/$2.toUpperCase()", "$1", "FOO");
      Assert.assertEquals("category/name1/foo/name2/$2.toUpperCase()", newPropertyId);
  
      newPropertyId = AbstractPropertyProvider.substituteArgument(
          "category/name1/$1.toLowerCase()/name2/$2.toUpperCase()", "$2", "bar");
      Assert.assertEquals("category/name1/$1.toLowerCase()/name2/BAR", newPropertyId);
  
      //substitute with chained methods
      newPropertyId = AbstractPropertyProvider.substituteArgument(
          "category/name1/$1.toLowerCase().substring(1)/name2", "$1", "FOO");
      Assert.assertEquals("category/name1/oo/name2", newPropertyId);
  
      newPropertyId = AbstractPropertyProvider.substituteArgument(
          "category/name1/$1.toLowerCase().substring(1).concat(\"_post\")/name2/$2.concat(\"_post\")", "$1", "FOO");
      newPropertyId = AbstractPropertyProvider.substituteArgument(newPropertyId, "$2", "bar");
      Assert.assertEquals("category/name1/oo_post/name2/bar_post", newPropertyId);
    }
  
    @Test
    public void testUpdateComponentMetricMapHDP1() {
      Map<String, Map<String, PropertyInfo>> componentMetrics =
        PropertyHelper.getMetricPropertyIds(Resource.Type.HostComponent);
  
      AbstractPropertyProvider provider = new TestPropertyProvider(componentMetrics);
  
      Map<String, PropertyInfo> flumeMetrics = provider.getComponentMetrics().get(
        "FLUME_HANDLER");
  
      int metricsBefore = flumeMetrics.size();
      String specificMetric = "metrics/flume/arg1/CHANNEL/arg2/ChannelCapacity";
      String specificPropertyInfoId = "arg1.CHANNEL.arg2.ChannelCapacity";
      Map<String, PropertyInfo> componentMetricMap =
        provider.getComponentMetrics().get("FLUME_HANDLER");
  
      Assert.assertNull(flumeMetrics.get(specificMetric));
  
      provider.updateComponentMetricMap(componentMetricMap, specificMetric);
  
      Assert.assertEquals(metricsBefore + 1, flumeMetrics.size());
      Assert.assertNotNull(flumeMetrics.get(specificMetric));
      Assert.assertEquals(specificPropertyInfoId,
        flumeMetrics.get(specificMetric).getPropertyId());
    }
  
  
    private static class TestPropertyProvider extends AbstractPropertyProvider {
  
      public TestPropertyProvider(Map<String, Map<String, PropertyInfo>> componentMetrics) {
        super(componentMetrics);
      }
  
      @Override
      public Set<Resource> populateResources(Set<Resource> resources, Request request, Predicate predicate) throws SystemException {
        return null;
      }
    }
  }
  