/*
    * 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.joda;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  import static org.supercsv.cellprocessor.joda.SuperCsvTestUtils.ANONYMOUS_CSVCONTEXT;
  
  import java.util.Arrays;
  import java.util.List;
  
  import org.joda.time.Period;
  import org.joda.time.format.ISOPeriodFormat;
  import org.joda.time.format.PeriodFormatter;
  import org.junit.Before;
  import org.junit.Test;
  import org.supercsv.cellprocessor.ift.CellProcessor;
  import org.supercsv.cellprocessor.joda.mock.IdentityTransform;
  import org.supercsv.exception.SuperCsvCellProcessorException;
  
  /**
   * Tests the FmtPeriod cell processor.
   */
  public class FmtPeriodTest {
  
  	private static final String PERIOD_STRING = "P1Y2M3DT4H5M6S";
  	private static final Period PERIOD = new Period(1, 2, 0, 3, 4, 5, 6, 0);
  
  	private FmtPeriod processor1;
  	private FmtPeriod processor2;
  	private FmtPeriod processorChain1;
  	private FmtPeriod processorChain2;
  	private List<FmtPeriod> processors;
  	private PeriodFormatter formatter;
  
  	@Before
  	public void setUp() {
  		formatter = ISOPeriodFormat.standard();
  		processor1 = new FmtPeriod();
  		processor2 = new FmtPeriod(formatter);
  		processorChain1 = new FmtPeriod(new IdentityTransform());
  		processorChain2 = new FmtPeriod(formatter, new IdentityTransform());
  		processors = Arrays.asList(processor1, processor2, processorChain1,
  				processorChain2);
  	}
  
  	@Test
  	public void testValidPeriodString() {
  		for (CellProcessor p : processors) {
  			assertEquals(PERIOD_STRING, p.execute(PERIOD, ANONYMOUS_CSVCONTEXT));
  		}
  	}
  
  	@Test
  	public void testNullInput() {
  		for (CellProcessor p : processors) {
  			try {
  				p.execute(null, ANONYMOUS_CSVCONTEXT);
  				fail("expecting SuperCsvCellProcessorException");
  			} catch (SuperCsvCellProcessorException e) {
  				assertEquals(
  						"this processor does not accept null input - "
  								+ "if the column is optional then chain an Optional() processor before this one",
  						e.getMessage());
  			}
  		}
  	}
  
  	@Test
  	public void testNonPeriodInput() {
  		for (CellProcessor p : processors) {
  			try {
  				p.execute(123, ANONYMOUS_CSVCONTEXT);
  				fail("expecting SuperCsvCellProcessorException");
  			} catch (SuperCsvCellProcessorException e) {
  				assertEquals(
  						"the input value should be of type org.joda.time.Period but is java.lang.Integer",
  						e.getMessage());
  			}
  		}
  	}
  
  	@Test(expected = NullPointerException.class)
  	public void testConstructor2WithNullNext() {
  		new FmtPeriod((CellProcessor) null);
  	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor3WithNullFormatter() {
 		new FmtPeriod((PeriodFormatter) null);
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor4WithNullFormatter() {
 		new FmtPeriod((PeriodFormatter) null, new IdentityTransform());
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor4WithNullNext() {
 		new FmtPeriod(formatter, null);
 	}
 
 }