FieldReadParameterTest.java :  » Web-Framework » vraptor » org » vraptor » introspector » Java Open Source

package org.vraptor.introspector;

import java.lang.reflect.Field;

import junit.framework.TestCase;

import org.vraptor.LogicRequest;
import org.vraptor.annotations.Conversion;
import org.vraptor.annotations.Read;
import org.vraptor.component.FieldAnnotation;
import org.vraptor.converter.ConversionException;
import org.vraptor.converter.Converter;

/**
 * Tests for the read parameter class.
 * 
 * @author Guilherme Silveira
 */
public class FieldReadParameterTest extends TestCase {

  public class OverridenStringConverter implements Converter {

    public Object convert(String value, Class<?> type, LogicRequest context) throws ConversionException {
      return String.format("{%s}", value);
    }

    public Class<?>[] getSupportedTypes() {
      return new Class[] { String.class };
    }

  }

  @Read
  @SuppressWarnings("unused")
  private String test1;

  @Read(key = "test", create = true)
  @Conversion(OverridenStringConverter.class)
  @SuppressWarnings("unused")
  private String test2;

  private FieldReadParameter param = new FieldReadParameter(getField("test1"));

  private FieldReadParameter param2 = new FieldReadParameter(getField("test2"));

  public void testKey() {
    assertEquals("test1", param.getKey());
    assertEquals("test", param2.getKey());
  }

  private FieldAnnotation<Read> getField(String name) {
    Field f = null;
    try {
      f = FieldReadParameterTest.class.getDeclaredField(name);
    } catch (SecurityException e) {
      e.printStackTrace();
    } catch (NoSuchFieldException e) {
      e.printStackTrace();
    }
    return new FieldAnnotation<Read>(f.getAnnotation(Read.class), f);
  }

  public void testShouldInstantiateInternal() {
    assertFalse(param.mightCreate());
  }

  public void testShouldntInstantiateInternal() {
    assertTrue(param2.mightCreate());
  }

  public void testNoOverridenConverter() {
    assertNull(param.getOverridenConverter());
  }

  public void testOverridenConverter() {
    assertEquals(OverridenStringConverter.class, param2.getOverridenConverter());
  }

}