api/src/test/java/javax/faces/convert/EnumConverterTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 javax.faces.convert;

import javax.faces.component.UIInput;
import javax.faces.context.FacesContext;

import org.apache.shale.test.base.AbstractJsfTestCase;

/**
 * This testcase test <code>javax.faces.convert.EnumConverter</code>.
 * 
 * @author Michael Kurz (latest modification by $Author$)
 * @version $Revision$ $Date$
 */
public class EnumConverterTest extends AbstractJsfTestCase {
    private enum testEnum {ITEM1, ITEM2};
    private EnumConverter converter;
    
    public EnumConverterTest(String name) {
        super(name);
    }
    
    protected void setUp() throws Exception {
        super.setUp();
        converter = new EnumConverter(testEnum.class);
    }

    protected void tearDown() throws Exception {
        super.tearDown();
        converter = null;
    }

    /**
     * Test method for
     * {@link javax.faces.convert.EnumConverter#getAsObject(FacesContext, javax.faces.component.UIComponent, String)}.
     */
    public void testGetAsObject() {
        UIInput input = new UIInput();
        Object convertedObj = converter.getAsObject(FacesContext.getCurrentInstance(), input, "ITEM2");
        assertEquals(convertedObj, testEnum.ITEM2);
    }

    /**
     * Test method for
     * {@link javax.faces.convert.EnumConverter#getAsObject(FacesContext, javax.faces.component.UIComponent, String)}.
     */
    public void testGetAsObjectNull() {
        UIInput input = new UIInput();
           Object convertedObj = converter.getAsObject(FacesContext.getCurrentInstance(), input, null);
           assertNull(convertedObj);
    }
    
    /**
     * Test method for
     * {@link javax.faces.convert.EnumConverter#getAsObject(FacesContext, javax.faces.component.UIComponent, String)}.
     */
    public void testGetAsObjectNoEnum() {
        UIInput input = new UIInput();
        try {
            converter.getAsObject(FacesContext.getCurrentInstance(), input, "NO_ENUM_CONST");
            fail("Converter exception should be thrown");
        } catch (ConverterException e) {
            // should be thrown
        }
    }

    /**
     * Test method for
     * {@link javax.faces.convert.EnumConverter#getAsObject(FacesContext, javax.faces.component.UIComponent, String)}.
     */
    public void testGetAsObjectNoClassSet() {
        Converter testConverter = new EnumConverter();
        UIInput input = new UIInput();
        try {
            testConverter.getAsObject(FacesContext.getCurrentInstance(), input, "ITEM2");
            fail("Converter exception should be thrown");
        } catch (ConverterException e) {
            // should be thrown
        }
    }
    
    /**
     * Test method for
     * {@link javax.faces.convert.EnumConverter#getAsString(FacesContext, javax.faces.component.UIComponent, Object)}.
     */
    public void testGetAsString() {
        UIInput input = new UIInput();
        String convertedStr = converter.getAsString(FacesContext.getCurrentInstance(), input, testEnum.ITEM1);
        assertEquals(convertedStr, testEnum.ITEM1.toString());
    }

    /**
     * Test method for
     * {@link javax.faces.convert.EnumConverter#getAsString(FacesContext, javax.faces.component.UIComponent, Object)}.
     */
    public void testGetAsStringNull() {
        UIInput input = new UIInput();
        String convertedStr = converter.getAsString(FacesContext.getCurrentInstance(), input, null);
        assertEquals(convertedStr, "");
    }

    /**
     * Test method for
     * {@link javax.faces.convert.EnumConverter#getAsString(FacesContext, javax.faces.component.UIComponent, Object)}.
     */
    public void testGetAsStringNoEnum() {
        UIInput input = new UIInput();
        String convertedStr = converter.getAsString(FacesContext.getCurrentInstance(), input, "HALLO");
        assertEquals(convertedStr, "HALLO");
    }

    /**
     * Test method for
     * {@link javax.faces.convert.EnumConverter#getAsString(FacesContext, javax.faces.component.UIComponent, Object)}.
     */
    public void testGetAsStringNoClassSet() {
        Converter testConverter = new EnumConverter();
        UIInput input = new UIInput();
        try {
            testConverter.getAsString(FacesContext.getCurrentInstance(), input, testEnum.ITEM1);
            fail("Converter exception should be thrown");
        } catch (ConverterException e) {
            // should be thrown
        }
    }
}