/*
* Copyright 2002-2008 the original author or authors.
*
* 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.springframework.test.util;
import junit.framework.TestCase;
import org.springframework.test.AssertThrows;
import org.springframework.test.util.subpackage.Person;
/**
* JUnit 3.8 based unit tests for {@link ReflectionTestUtils}.
*
* @author Sam Brannen
* @author Juergen Hoeller
*/
public class ReflectionTestUtilsTests extends TestCase {
protected static final Float PI = new Float((float) 22 / 7);
public void testSetField() throws Exception {
final Person person = new Person();
// Standard
ReflectionTestUtils.setField(person, "id", new Long(99), long.class);
ReflectionTestUtils.setField(person, "name", "Tom");
ReflectionTestUtils.setField(person, "age", new Integer(42));
ReflectionTestUtils.setField(person, "eyeColor", "blue", String.class);
ReflectionTestUtils.setField(person, "likesPets", Boolean.TRUE);
ReflectionTestUtils.setField(person, "favoriteNumber", PI, Number.class);
assertEquals("Verifying that the person's ID (private field in a superclass) was set.", 99, person.getId());
assertEquals("Verifying that the person's name (protected field) was set.", "Tom", person.getName());
assertEquals("Verifying that the person's age (private field) was set.", 42, person.getAge());
assertEquals("Verifying that the person's eye color (package private field) was set.", "blue",
person.getEyeColor());
assertEquals("Verifying that the person's 'likes pets' flag (package private boolean field) was set.", true,
person.likesPets());
assertEquals("Verifying that the person's 'favorite number' (package field) was set.", PI,
person.getFavoriteNumber());
assertEquals(new Long(99), ReflectionTestUtils.getField(person, "id"));
assertEquals("Tom", ReflectionTestUtils.getField(person, "name"));
assertEquals(new Integer(42), ReflectionTestUtils.getField(person, "age"));
assertEquals("blue", ReflectionTestUtils.getField(person, "eyeColor"));
assertEquals(Boolean.TRUE, ReflectionTestUtils.getField(person, "likesPets"));
assertEquals(PI, ReflectionTestUtils.getField(person, "favoriteNumber"));
// Null - non-primitives
ReflectionTestUtils.setField(person, "name", null, String.class);
ReflectionTestUtils.setField(person, "eyeColor", null, String.class);
ReflectionTestUtils.setField(person, "favoriteNumber", null, Number.class);
assertNull("Verifying that the person's name (protected field) was set.", person.getName());
assertNull("Verifying that the person's eye color (package private field) was set.", person.getEyeColor());
assertNull("Verifying that the person's 'favorite number' (package field) was set.", person.getFavoriteNumber());
// Null - primitives
new AssertThrows(IllegalArgumentException.class,
"Calling setField() with NULL for a primitive type should throw an IllegalArgumentException.") {
public void test() throws Exception {
ReflectionTestUtils.setField(person, "id", null, long.class);
}
}.runTest();
new AssertThrows(IllegalArgumentException.class,
"Calling setField() with NULL for a primitive type should throw an IllegalArgumentException.") {
public void test() throws Exception {
ReflectionTestUtils.setField(person, "age", null, int.class);
}
}.runTest();
new AssertThrows(IllegalArgumentException.class,
"Calling setField() with NULL for a primitive type should throw an IllegalArgumentException.") {
public void test() throws Exception {
ReflectionTestUtils.setField(person, "likesPets", null, boolean.class);
}
}.runTest();
}
public void testInvokeSetterMethod() throws Exception {
final Person person = new Person();
// Standard - properties
ReflectionTestUtils.invokeSetterMethod(person, "id", new Long(99), long.class);
ReflectionTestUtils.invokeSetterMethod(person, "name", "Tom");
ReflectionTestUtils.invokeSetterMethod(person, "age", new Integer(42));
ReflectionTestUtils.invokeSetterMethod(person, "eyeColor", "blue", String.class);
ReflectionTestUtils.invokeSetterMethod(person, "likesPets", Boolean.TRUE);
ReflectionTestUtils.invokeSetterMethod(person, "favoriteNumber", PI, Number.class);
assertEquals("Verifying that the person's ID (protected method in a superclass) was set.", 99, person.getId());
assertEquals("Verifying that the person's name (private method) was set.", "Tom", person.getName());
assertEquals("Verifying that the person's age (protected method) was set.", 42, person.getAge());
assertEquals("Verifying that the person's eye color (package private method) was set.", "blue",
person.getEyeColor());
assertEquals("Verifying that the person's 'likes pets' flag (protected method for a boolean) was set.", true,
person.likesPets());
assertEquals("Verifying that the person's 'favorite number' (protected method for a Number) was set.", PI,
person.getFavoriteNumber());
assertEquals(new Long(99), ReflectionTestUtils.invokeGetterMethod(person, "id"));
assertEquals("Tom", ReflectionTestUtils.invokeGetterMethod(person, "name"));
assertEquals(new Integer(42), ReflectionTestUtils.invokeGetterMethod(person, "age"));
assertEquals("blue", ReflectionTestUtils.invokeGetterMethod(person, "eyeColor"));
assertEquals(Boolean.TRUE, ReflectionTestUtils.invokeGetterMethod(person, "likesPets"));
assertEquals(PI, ReflectionTestUtils.invokeGetterMethod(person, "favoriteNumber"));
// Standard - setter methods
ReflectionTestUtils.invokeSetterMethod(person, "setId", new Long(1), long.class);
ReflectionTestUtils.invokeSetterMethod(person, "setName", "Jerry", String.class);
ReflectionTestUtils.invokeSetterMethod(person, "setAge", new Integer(33), int.class);
ReflectionTestUtils.invokeSetterMethod(person, "setEyeColor", "green", String.class);
ReflectionTestUtils.invokeSetterMethod(person, "setLikesPets", Boolean.FALSE, boolean.class);
ReflectionTestUtils.invokeSetterMethod(person, "setFavoriteNumber", new Integer(42), Number.class);
assertEquals("Verifying that the person's ID (protected method in a superclass) was set.", 1, person.getId());
assertEquals("Verifying that the person's name (private method) was set.", "Jerry", person.getName());
assertEquals("Verifying that the person's age (protected method) was set.", 33, person.getAge());
assertEquals("Verifying that the person's eye color (package private method) was set.", "green",
person.getEyeColor());
assertEquals("Verifying that the person's 'likes pets' flag (protected method for a boolean) was set.", false,
person.likesPets());
assertEquals("Verifying that the person's 'favorite number' (protected method for a Number) was set.",
new Integer(42), person.getFavoriteNumber());
assertEquals(new Long(1), ReflectionTestUtils.invokeGetterMethod(person, "getId"));
assertEquals("Jerry", ReflectionTestUtils.invokeGetterMethod(person, "getName"));
assertEquals(new Integer(33), ReflectionTestUtils.invokeGetterMethod(person, "getAge"));
assertEquals("green", ReflectionTestUtils.invokeGetterMethod(person, "getEyeColor"));
assertEquals(Boolean.FALSE, ReflectionTestUtils.invokeGetterMethod(person, "likesPets"));
assertEquals(new Integer(42), ReflectionTestUtils.invokeGetterMethod(person, "getFavoriteNumber"));
// Null - non-primitives
ReflectionTestUtils.invokeSetterMethod(person, "name", null, String.class);
ReflectionTestUtils.invokeSetterMethod(person, "eyeColor", null, String.class);
ReflectionTestUtils.invokeSetterMethod(person, "favoriteNumber", null, Number.class);
assertNull("Verifying that the person's name (private method) was set.", person.getName());
assertNull("Verifying that the person's eye color (package private method) was set.", person.getEyeColor());
assertNull("Verifying that the person's 'favorite number' (protected method for a Number) was set.",
person.getFavoriteNumber());
// Null - primitives
new AssertThrows(RuntimeException.class,
"Calling invokeSetterMethod() with NULL for a primitive type should throw an IllegalArgumentException.") {
public void test() throws Exception {
ReflectionTestUtils.invokeSetterMethod(person, "id", null, long.class);
}
}.runTest();
new AssertThrows(RuntimeException.class,
"Calling invokeSetterMethod() with NULL for a primitive type should throw an IllegalArgumentException.") {
public void test() throws Exception {
ReflectionTestUtils.invokeSetterMethod(person, "age", null, int.class);
}
}.runTest();
new AssertThrows(RuntimeException.class,
"Calling invokeSetterMethod() with NULL for a primitive type should throw an IllegalArgumentException.") {
public void test() throws Exception {
ReflectionTestUtils.invokeSetterMethod(person, "likesPets", null, boolean.class);
}
}.runTest();
}
}