/*
    * 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.time;
  
  import static org.junit.Assert.assertEquals;
  
  import java.time.LocalDateTime;
  import java.time.format.DateTimeFormatter;
  import java.util.Locale;
  
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.experimental.theories.DataPoints;
  import org.junit.experimental.theories.Theories;
  import org.junit.experimental.theories.Theory;
  import org.junit.rules.ExpectedException;
  import org.junit.runner.RunWith;
  import org.supercsv.cellprocessor.ift.CellProcessor;
  import org.supercsv.cellprocessor.time.mock.IdentityTransform;
  import org.supercsv.exception.SuperCsvCellProcessorException;
  
  /**
   * Tests the ParseLocalDateTime cell processor.
   */
  @RunWith(Theories.class)
  public class ParseLocalDateTimeTest {
  
  	@Rule public ExpectedException exception = ExpectedException.none();
  
  	@DataPoints public static final LocalDateTime[] localDateTimes = { LocalDateTime.of(2013, 10, 25, 1, 2, 3) };
  
  	@DataPoints public static final DateTimeFormatter[] formats = { DateTimeFormatter.ISO_LOCAL_DATE_TIME,
  		DateTimeFormatter.ofPattern("eee MMM dd yyyy HH:mm:ss"),
  		DateTimeFormatter.ofPattern("eee MMM dd yyyy HH:mm:ss", Locale.CHINA) };
  
  	@DataPoints public static ParseLocalDateTime[] processors = { new ParseLocalDateTime(),
  		new ParseLocalDateTime(DateTimeFormatter.ISO_LOCAL_DATE_TIME, new IdentityTransform()),
  		new ParseLocalDateTime(new IdentityTransform()),
  		new ParseLocalDateTime(DateTimeFormatter.ISO_LOCAL_DATE_TIME) };
  
  	@Theory
  	public void testValidLocalDateTime(final ParseLocalDateTime p, final LocalDateTime localDateTime) {
  		assertEquals(localDateTime, p.execute(localDateTime.toString(), SuperCsvTestUtils.ANONYMOUS_CSVCONTEXT));
  	}
  
  	@Theory
  	public void testFormats(final LocalDateTime localDateTime, final DateTimeFormatter formatter) {
  		final ParseLocalDateTime p = new ParseLocalDateTime(formatter);
  		assertEquals(localDateTime, p.execute(localDateTime.format(formatter), SuperCsvTestUtils.ANONYMOUS_CSVCONTEXT));
  	}
  
  	@Theory
  	public void testNullInput(final ParseLocalDateTime p) {
  		exception.expect(SuperCsvCellProcessorException.class);
  		exception.expectMessage("this processor does not accept null input - "
  			+ "if the column is optional then chain an Optional() processor before this one");
  		p.execute(null, SuperCsvTestUtils.ANONYMOUS_CSVCONTEXT);
  	}
  
  	@Theory
  	public void testNonStringInput(final ParseLocalDateTime p) {
  		exception.expect(SuperCsvCellProcessorException.class);
  		exception.expectMessage("the input value should be of type java.lang.String but is java.lang.Integer");
  		p.execute(123, SuperCsvTestUtils.ANONYMOUS_CSVCONTEXT);
  	}
  
  	@Theory
  	public void testUnparsableString(final ParseLocalDateTime p) {
  		exception.expect(SuperCsvCellProcessorException.class);
  		exception.expectMessage("Failed to parse value");
  		p.execute("not valid", SuperCsvTestUtils.ANONYMOUS_CSVCONTEXT);
  	}
  
  	@Test
  	public void testConstructor2WithNullNext() {
  		exception.expect(NullPointerException.class);
  		new ParseLocalDateTime((CellProcessor) null);
  	}
  
  	@Test
  	public void testConstructor3WithNullFormatter() {
  		exception.expect(NullPointerException.class);
  		new ParseLocalDateTime((DateTimeFormatter) null);
  	}
  
  	@Test
 	public void testConstructor4WithNullFormatter() {
 		exception.expect(NullPointerException.class);
 		new ParseLocalDateTime(null, new IdentityTransform());
 	}
 
 	@Test
 	public void testConstructor4WithNullNext() {
 		exception.expect(NullPointerException.class);
 		new ParseLocalDateTime(DateTimeFormatter.ISO_LOCAL_DATE_TIME, null);
 	}
 
 }