/*
    * 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.commons.cli2.validation;
  
  import java.util.Arrays;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Set;
  import java.util.TreeSet;
  
  import junit.framework.TestCase;
  
  import org.apache.commons.cli2.resource.ResourceConstants;
  import org.apache.commons.cli2.resource.ResourceHelper;
  
  public class EnumValidatorTest
      extends TestCase {
      private final static ResourceHelper resources = ResourceHelper.getResourceHelper();
      private final Set enumSet = new TreeSet(Arrays.asList(new Object[] { "red", "green", "blue" }));
  
      public void testValidate()
          throws InvalidArgumentException {
          final Object[] array = new Object[] { "red", "green" };
  
          {
              final List list = Arrays.asList(array);
              final EnumValidator validator = new EnumValidator(enumSet);
              assertEquals("valid values are incorrect", enumSet, validator.getValidValues());
              validator.validate(list);
  
              final Iterator i = list.iterator();
              assertEquals("red", i.next());
              assertEquals("green", i.next());
              assertFalse(i.hasNext());
          }
      }
  
      public void testNonMember() {
          final Object[] array = new Object[] { "red", "pink" };
          final List list = Arrays.asList(array);
          final EnumValidator validator = new EnumValidator(enumSet);
  
          try {
              validator.validate(list);
              fail("InvalidArgumentException");
          } catch (InvalidArgumentException e) {
              assertEquals(resources.getMessage(ResourceConstants.ENUM_ILLEGAL_VALUE,
                                                new Object[] { "pink", validator.getValuesAsString() }),
                           e.getMessage());
          }
      }
  }