/*
    * Copyright 2007 Kasper B. Graversen
    * 
    * Licensed 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.supercsv.cellprocessor.constraint;
  
  import static org.junit.Assert.assertEquals;
  import static org.supercsv.SuperCsvTestUtils.ANONYMOUS_CSVCONTEXT;
  
  import java.util.Arrays;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.supercsv.cellprocessor.ift.CellProcessor;
  import org.supercsv.exception.SuperCsvConstraintViolationException;
  import org.supercsv.mock.IdentityTransform;
  
  /**
   * Tests the Unique constraint.
   * 
   * @author Kasper B. Graversen
   * @author James Bassett
   */
  public class UniqueTest {
  	
  	private CellProcessor processor;
  	private CellProcessor processorChain;
  	
  	/**
  	 * Sets up the processors for the test using all constructor combinations.
  	 */
  	@Before
  	public void setUp() {
  		processor = new Unique();
  		processorChain = new Unique(new IdentityTransform());
  	}
  	
  	/**
  	 * Tests unchained/chained execution with valid (unique) String input.
  	 */
  	@Test
  	public void testValidStringInput() {
  		for( String input : Arrays.asList("1", "2", "3", "4", "5") ) {
  			assertEquals(input, processor.execute(input, ANONYMOUS_CSVCONTEXT));
  			assertEquals(input, processorChain.execute(input, ANONYMOUS_CSVCONTEXT));
  		}
  		
  	}
  	
  	/**
  	 * Tests unchained/chained execution with valid (unique) Integer input.
  	 */
  	@Test
  	public void testValidIntegerInput() {
  		for( Integer input : Arrays.asList(1, 2, 3, 4, 5) ) {
  			assertEquals(input, processor.execute(input, ANONYMOUS_CSVCONTEXT));
  			assertEquals(input, processorChain.execute(input, ANONYMOUS_CSVCONTEXT));
  		}
  		
  	}
  	
  	/**
  	 * Tests invalid (non-unique) String input.
  	 */
  	@Test(expected = SuperCsvConstraintViolationException.class)
  	public void testInvalidStringInput() {
  		assertEquals("duplicate", processor.execute("duplicate", ANONYMOUS_CSVCONTEXT));
  		processor.execute("duplicate", ANONYMOUS_CSVCONTEXT);
  	}
  	
  	/**
  	 * Tests invalid (non-unique) Integer input.
  	 */
  	@Test(expected = SuperCsvConstraintViolationException.class)
  	public void testInvalidIntegerInput() {
  		assertEquals(Integer.valueOf(99), processor.execute(Integer.valueOf(99), ANONYMOUS_CSVCONTEXT));
  		processor.execute(Integer.valueOf(99), ANONYMOUS_CSVCONTEXT);
  		
  	}
  }