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.alerts;
  
  import static org.apache.ambari.server.state.AlertState.CRITICAL;
  import static org.apache.ambari.server.state.AlertState.OK;
  import static org.apache.ambari.server.state.AlertState.UNKNOWN;
  import static org.apache.ambari.server.state.AlertState.WARNING;
  import static org.hamcrest.core.Is.is;
  import static org.junit.Assert.assertThat;
  
  import org.apache.ambari.server.state.AlertState;
  import org.junit.Test;
  
  public class ThresholdTest {
    @Test
    public void testBetweenOkAndWarnIsOk_dirUp() throws Exception {
      Threshold threshold = new Threshold(10.0, 20.0, 30.0);
      assertState(threshold, OK, 10, 15, 19);
    }
  
    @Test
    public void testBetweenWarnAndCritIsWarn_dirUp() throws Exception {
      Threshold threshold = new Threshold(10.0, 20.0, 30.0);
      assertState(threshold, WARNING, 20, 25, 29);
    }
  
    @Test
    public void testAboveCritIsCrit_dirUp() throws Exception {
      Threshold threshold = new Threshold(10.0, 20.0, 30.0);
      assertState(threshold, CRITICAL, 30, 40, 99999);
    }
  
    @Test
    public void testBelowOkIsUnknown_dirUp() throws Exception {
      Threshold threshold = new Threshold(10.0, 20, 30);
      assertState(threshold, UNKNOWN, 9, 2, -99999);
    }
  
    @Test
    public void testBelowCritIsCrit_dirDown() throws Exception {
      Threshold threshold = new Threshold(40.0, 30.0, 20.0);
      assertState(threshold, CRITICAL, 20, 15, 2, -99999);
    }
  
    @Test
    public void testBetweenWarnAndCritIsWarn_dirDown() throws Exception {
      Threshold threshold = new Threshold(40.0, 30.0, 20.0);
      assertState(threshold, WARNING, 30, 25, 21);
    }
  
    @Test
    public void testBetweenOkAndWarnIsOk_dirDown() throws Exception {
      Threshold threshold = new Threshold(40.0, 30.0, 20.0);
      assertState(threshold, OK, 40, 35, 31);
    }
  
    @Test
    public void testAboveOkIsUnknown_dirDown() throws Exception {
      Threshold threshold = new Threshold(40.0, 30.0, 20.0);
      assertState(threshold, UNKNOWN, 41, 50, 9999);
    }
  
    @Test
    public void testOkIsOptional() throws Exception {
      Threshold threshold = new Threshold(null, 20.0, 30.0);
      assertState(threshold, OK, 10, 15, 19);
    }
  
    private void assertState(Threshold threshold, AlertState expectedState, int... values) {
      for (int value: values) {
        assertThat(expectedState, is(threshold.state(value)));
      }
    }
  }