CharacterConverterTest.java

/*
 * Copyright (c) 2001-2007, Inversoft Inc., All Rights Reserved
 *
 * 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.primeframework.mvc.parameter.convert.converters;

import org.apache.commons.lang3.ArrayUtils;
import org.primeframework.mvc.MockConfiguration;
import org.primeframework.mvc.parameter.convert.ConversionException;
import org.primeframework.mvc.parameter.convert.GlobalConverter;
import org.testng.annotations.Test;

import static org.testng.Assert.*;

/**
 * This tests the character converter.
 *
 * @author Brian Pontarelli
 */
public class CharacterConverterTest {
  @Test
  public void fromStrings() {
    GlobalConverter converter = new CharacterConverter(new MockConfiguration());
    Character cw = (Character) converter.convertFromStrings(Character.class, null, "testExpr", ArrayUtils.toArray((String) null));
    assertNull(cw);

    char c = (Character) converter.convertFromStrings(Character.TYPE, null, "testExpr", ArrayUtils.toArray((String) null));
    assertEquals(c, '\u0000');

    cw = (Character) converter.convertFromStrings(Character.class, null, "testExpr", ArrayUtils.toArray("c"));
    assertEquals((char) cw, 'c');

    c = (Character) converter.convertFromStrings(Character.TYPE, null, "testExpr", ArrayUtils.toArray("c"));
    assertEquals(c, 'c');

    cw = (Character) converter.convertFromStrings(Character.class, null, "testExpr", ArrayUtils.toArray(" "));
    assertNull(cw);

    c = (Character) converter.convertFromStrings(Character.TYPE, null, "testExpr", ArrayUtils.toArray(" "));
    assertEquals(c, 0);

    Character[] ca = (Character[]) converter.convertFromStrings(Character[].class, null, "testExpr", ArrayUtils.toArray("c", "d"));
    assertEquals(ca[0], (Character) 'c');
    assertEquals(ca[1], (Character) 'd');

    char[] cpa = (char[]) converter.convertFromStrings(char[].class, null, "testExpr", ArrayUtils.toArray("c", "d"));
    assertEquals(cpa[0], 'c');
    assertEquals(cpa[1], 'd');

    try {
      converter.convertFromStrings(Character.class, null, "testExpr", ArrayUtils.toArray("bad"));
      fail("Should have failed");
    } catch (ConversionException ce) {
      // Expected
    }

    try {
      converter.convertFromStrings(Character.TYPE, null, "testExpr", ArrayUtils.toArray("bad"));
      fail("Should have failed");
    } catch (ConversionException ce) {
      // Expected
    }
  }

  @Test
  public void toStrings() {
    GlobalConverter converter = new BooleanConverter(new MockConfiguration());
    String str = converter.convertToString(Character.class, null, "testExpr", null);
    assertNull(str);

    str = converter.convertToString(Character.class, null, "testExpr", 'c');
    assertEquals(str, "c");

    str = converter.convertToString(Character.TYPE, null, "testExpr", 'c');
    assertEquals(str, "c");
  }
}