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Commons Beanutils example source code file (BeanToPropertyValueTransformerTestCase.java)

This example Commons Beanutils source code file (BeanToPropertyValueTransformerTestCase.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Beanutils tags/keywords

arrayindexoutofboundsexception, arrayindexoutofboundsexception, beantopropertyvaluetransformer, beantopropertyvaluetransformer, beantopropertyvaluetransformertestcase, byte, float, illegalargumentexception, illegalargumentexception, integer, long, should, testbean, testbean

The Commons Beanutils BeanToPropertyValueTransformerTestCase.java source code

/*
 * 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 org.apache.commons.beanutils;

import junit.framework.TestCase;


/**
 * Test cases for <code>BeanToPropertyValueTransformer.
 *
 * @author Norm Deane
 */
public class BeanToPropertyValueTransformerTestCase extends TestCase {
   
    private static final Integer expectedIntegerValue = new Integer(123);
    private static final Long expectedLongValue = new Long(123);
    private static final Float expectedFloatValue = new Float(123.123f);
    private static final Double expectedDoubleValue = new Double(567879.12344d);
    private static final Boolean expectedBooleanValue = Boolean.TRUE;
    private static final Byte expectedByteValue = new Byte("12");

    /**
     * Constructor for BeanToPropertyValueTransformerTestCase.
     *
     * @param name Name of this test case.
     */
    public BeanToPropertyValueTransformerTestCase(String name) {
        super(name);
    }

    /**
     * Test transform with simple String property.
     */
    public void testTransformWithSimpleStringProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("stringProperty");
        TestBean testBean = new TestBean("foo");
        assertEquals("foo", transformer.transform(testBean));
    }

    /**
     * Test transform with simple String property and null value.
     *
     */
    public void testTransformWithSimpleStringPropertyAndNullValue() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("stringProperty");
        TestBean testBean = new TestBean((String) null);
        assertNull(transformer.transform(testBean));
    }

    /**
     * Test transform with simple int property.
     */
    public void testTransformWithSimpleIntProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("intProperty");
        TestBean testBean = new TestBean(expectedIntegerValue.intValue());
        assertEquals(expectedIntegerValue, transformer.transform(testBean));
    }

    /**
     * Test transform with simple long property.
     */
    public void testTransformWithSimpleLongProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("longProperty");
        TestBean testBean = new TestBean();
        testBean.setLongProperty(expectedLongValue.longValue());
        assertEquals(expectedLongValue, transformer.transform(testBean));
    }

    /**
     * Test transform with simple float property.
     */
    public void testTransformWithSimpleFloatProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("floatProperty");
        TestBean testBean = new TestBean(expectedFloatValue.floatValue());
        assertEquals(expectedFloatValue, transformer.transform(testBean));
    }

    /**
     * Test transform with simple double property.
     */
    public void testTransformWithSimpleDoubleProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("doubleProperty");
        TestBean testBean = new TestBean(expectedDoubleValue.doubleValue());
        assertEquals(expectedDoubleValue, transformer.transform(testBean));
    }

    /**
     * Test transform with simple byte property.
     */
    public void testTransformWithSimpleByteProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("byteProperty");
        TestBean testBean = new TestBean();
        testBean.setByteProperty(expectedByteValue.byteValue());
        assertEquals(expectedByteValue, transformer.transform(testBean));
    }

    /**
     * Test transform with simple boolean property.
     */
    public void testTransformWithSimpleBooleanProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("booleanProperty");
        TestBean testBean = new TestBean(expectedBooleanValue.booleanValue());
        assertEquals(expectedBooleanValue, transformer.transform(testBean));
    }

    /**
     * Test transform with write only property.
     */
    public void testTransformWithWriteOnlyProperty() {
        try {
            new BeanToPropertyValueTransformer("writeOnlyProperty").transform(new TestBean());
        } catch (IllegalArgumentException e) { 
            /* This is what should happen */
        }
    }

    /**
     * Test transform with read only property.
     */
    public void testTransformWithReadOnlyProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("readOnlyProperty");
        TestBean testBean = new TestBean();
        assertEquals(testBean.getReadOnlyProperty(), transformer.transform(testBean));
    }

    /**
     * Test transform with invalid property.
     */
    public void testTransformWithInvalidProperty() {
        try {
            new BeanToPropertyValueTransformer("bogusProperty").transform(new TestBean());
        } catch (IllegalArgumentException e) { 
            /* This is what should happen */
        }
    }

    /**
     * Test transform with nested property.
     */
    public void testTransformWithNestedProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("anotherNested.stringProperty");
        TestBean testBean = new TestBean();
        TestBean nestedBean = new TestBean("foo");
        testBean.setAnotherNested(nestedBean);
        assertEquals("foo", transformer.transform(testBean));
    }

    /**
     * Test transform with mapped property.
     */
    public void testTransformWithMappedProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("mappedProperty(test-key)");
        TestBean testBean = new TestBean();

        // try a valid key
        testBean.setMappedProperty("test-key", "test-value");
        assertEquals("test-value", transformer.transform(testBean));

        // now try an invalid key
        transformer = new BeanToPropertyValueTransformer("mappedProperty(bogus-key)");
        assertEquals(null, transformer.transform(testBean));
    }

    /**
     * Test transform with indexed property.
     */
    public void testTransformWithIndexedProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("intIndexed[0]");
        TestBean testBean = new TestBean();
        testBean.setIntIndexed(0, expectedIntegerValue.intValue());
        assertEquals(expectedIntegerValue, transformer.transform(testBean));

        // test index out of range
        transformer = new BeanToPropertyValueTransformer("intIndexed[9999]");

        try {
            transformer.transform(testBean);
            fail("Should have thrown an ArrayIndexOutOfBoundsException");
        } catch (ArrayIndexOutOfBoundsException e) { 
            /* this is what should happen */
        }
    }

    /**
     * Test transform with nested indexed property.
     */
    public void testTransformWithNestedIndexedProperty() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("anotherNested.intIndexed[0]");
        TestBean testBean = new TestBean();
        TestBean nestedBean = new TestBean();
        nestedBean.setIntIndexed(0, expectedIntegerValue.intValue());
        testBean.setAnotherNested(nestedBean);
        assertEquals(expectedIntegerValue, transformer.transform(testBean));
    }

    /**
     * Test transform with null in property path.
     */
    public void testTransformWithNullInPath() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("anotherNested.stringProperty");

        try {
            transformer.transform(new TestBean());
            fail("Should have throw IllegalArgumentException");
        } catch (IllegalArgumentException e) { 
            /* ignore this is what should happen */
        }
    }

    /**
     * Test transform with null in property path and ignore = true.
     */
    public void testTransformWithNullInPathAndIgnoreTrue() {
        BeanToPropertyValueTransformer transformer = 
            new BeanToPropertyValueTransformer("anotherNested.stringProperty",true);
        assertEquals(null, transformer.transform(new TestBean()));
    }
}

Other Commons Beanutils examples (source code examples)

Here is a short list of links related to this Commons Beanutils BeanToPropertyValueTransformerTestCase.java source code file:

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