/*
    * 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 java.util.Locale;
  
  import org.joda.time.DateTime;
  import org.joda.time.DateTimeZone;
  import org.joda.time.format.DateTimeFormatter;
  import org.joda.time.format.ISODateTimeFormat;
  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 FmtDateTime cell processor.
   */
  public class FmtDateTimeTest {
  
  	private static final String DATE_TIME_FORMAT = "yyyy-MM-dd'T'hh:mm:ss.SSSZZ";
  	private static final String DATE_TIME_STRING = "2013-10-25T01:02:03.000+10:00";
  	private static final DateTime DATE_TIME = new DateTime(2013, 10, 25, 1, 2,
  			3, 0, DateTimeZone.forOffsetHours(10));
  
  	private FmtDateTime processor1;
  	private FmtDateTime processor2;
  	private FmtDateTime processor3;
  	private FmtDateTime processor4;
  	private FmtDateTime processorChain1;
  	private FmtDateTime processorChain2;
  	private FmtDateTime processorChain3;
  	private FmtDateTime processorChain4;
  	private List<FmtDateTime> processors;
  	private DateTimeFormatter formatter;
  
  	@Before
  	public void setUp() {
  		formatter = ISODateTimeFormat.dateTime();
  		processor1 = new FmtDateTime();
  		processor2 = new FmtDateTime(formatter);
  		processor3 = new FmtDateTime(DATE_TIME_FORMAT);
  		processor4 = new FmtDateTime(DATE_TIME_FORMAT, Locale.ENGLISH);
  		processorChain1 = new FmtDateTime(new IdentityTransform());
  		processorChain2 = new FmtDateTime(formatter, new IdentityTransform());
  		processorChain3 = new FmtDateTime(DATE_TIME_FORMAT,
  				new IdentityTransform());
  		processorChain4 = new FmtDateTime(DATE_TIME_FORMAT, Locale.ENGLISH,
  				new IdentityTransform());
  		processors = Arrays.asList(processor1, processor2, processor3,
  				processor4, processorChain1, processorChain2, processorChain3,
  				processorChain4);
  	}
  
  	@Test
  	public void testValidDateTimeString() {
  		for (CellProcessor p : processors) {
  			assertEquals(DATE_TIME_STRING,
  					p.execute(DATE_TIME, 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 testNonDateTimeInput() {
 		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.DateTime but is java.lang.Integer",
 						e.getMessage());
 			}
 		}
 	}
 
 	@Test
 	public void testInvalidDateFormat() {
 		final CellProcessor p = new FmtDateTime("not valid");
 		try {
 			p.execute(DATE_TIME, ANONYMOUS_CSVCONTEXT);
 			fail("expecting SuperCsvCellProcessorException");
 		} catch (SuperCsvCellProcessorException e) {
 			assertEquals("Failed to format value as a DateTime", e.getMessage());
 		}
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor2WithNullNext() {
 		new FmtDateTime((CellProcessor) null);
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor3WithNullFormatter() {
 		new FmtDateTime((DateTimeFormatter) null);
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor4WithNullFormatter() {
 		new FmtDateTime((DateTimeFormatter) null, new IdentityTransform());
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor4WithNullNext() {
 		new FmtDateTime(formatter, null);
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor5WithNullPattern() {
 		new FmtDateTime((String) null);
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor6WithNullPattern() {
 		new FmtDateTime((String) null, new IdentityTransform());
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor6WithNullNext() {
 		new FmtDateTime(DATE_TIME_FORMAT, (CellProcessor) null);
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor7WithNullPattern() {
 		new FmtDateTime((String) null, Locale.ENGLISH, new IdentityTransform());
 	}
 
 	@Test(expected = NullPointerException.class)
 	public void testConstructor7WithNullNext() {
 		new FmtDateTime(DATE_TIME_FORMAT, Locale.ENGLISH, (CellProcessor) null);
 	}
 
 }