Moved tests over from testsuite to core
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Arjen Poutsma
@@ -1,285 +0,0 @@
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/*
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* Copyright 2002-2008 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.util;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import junit.framework.TestCase;
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/**
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* @author Colin Sampaleanu
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* @author Juergen Hoeller
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* @since 21.11.2003
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*/
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public class MethodInvokerTests extends TestCase {
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public void testPlainMethodInvoker() throws Exception {
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// sanity check: singleton, non-static should work
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TestClass1 tc1 = new TestClass1();
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MethodInvoker mi = new MethodInvoker();
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mi.setTargetObject(tc1);
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mi.setTargetMethod("method1");
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mi.prepare();
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Integer i = (Integer) mi.invoke();
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assertEquals(1, i.intValue());
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// sanity check: check that argument count matching works
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mi = new MethodInvoker();
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mi.setTargetClass(TestClass1.class);
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mi.setTargetMethod("supertypes");
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mi.setArguments(new Object[] {new ArrayList(), new ArrayList(), "hello"});
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mi.prepare();
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assertEquals("hello", mi.invoke());
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mi = new MethodInvoker();
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mi.setTargetClass(TestClass1.class);
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mi.setTargetMethod("supertypes2");
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mi.setArguments(new Object[] {new ArrayList(), new ArrayList(), "hello", "bogus"});
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mi.prepare();
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assertEquals("hello", mi.invoke());
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// Sanity check: check that argument conversion doesn't work with plain MethodInvoker
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mi = new MethodInvoker();
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mi.setTargetClass(TestClass1.class);
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mi.setTargetMethod("supertypes2");
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mi.setArguments(new Object[] {new ArrayList(), new ArrayList(), "hello", Boolean.TRUE});
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try {
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mi.prepare();
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fail("Shouldn't have matched without argument conversion");
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}
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catch (NoSuchMethodException ex) {
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// expected
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}
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}
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public void testStringWithMethodInvoker() throws Exception {
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try {
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.setTargetObject(new Greeter());
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methodInvoker.setTargetMethod("greet");
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methodInvoker.setArguments(new Object[] {new String("no match")});
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methodInvoker.prepare();
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fail("Should have thrown a NoSuchMethodException");
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}
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catch (NoSuchMethodException e) {
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// expected
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}
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}
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public void testPurchaserWithMethodInvoker() throws Exception {
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.setTargetObject(new Greeter());
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methodInvoker.setTargetMethod("greet");
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methodInvoker.setArguments(new Object[] {new Purchaser()});
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methodInvoker.prepare();
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String greeting = (String) methodInvoker.invoke();
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assertEquals("purchaser: hello", greeting);
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}
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public void testShopperWithMethodInvoker() throws Exception {
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.setTargetObject(new Greeter());
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methodInvoker.setTargetMethod("greet");
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methodInvoker.setArguments(new Object[] {new Shopper()});
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methodInvoker.prepare();
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String greeting = (String) methodInvoker.invoke();
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assertEquals("purchaser: may I help you?", greeting);
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}
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public void testSalesmanWithMethodInvoker() throws Exception {
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.setTargetObject(new Greeter());
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methodInvoker.setTargetMethod("greet");
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methodInvoker.setArguments(new Object[] {new Salesman()});
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methodInvoker.prepare();
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String greeting = (String) methodInvoker.invoke();
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assertEquals("greetable: how are sales?", greeting);
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}
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public void testCustomerWithMethodInvoker() throws Exception {
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.setTargetObject(new Greeter());
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methodInvoker.setTargetMethod("greet");
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methodInvoker.setArguments(new Object[] {new Customer()});
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methodInvoker.prepare();
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String greeting = (String) methodInvoker.invoke();
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assertEquals("customer: good day", greeting);
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}
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public void testRegularWithMethodInvoker() throws Exception {
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.setTargetObject(new Greeter());
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methodInvoker.setTargetMethod("greet");
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methodInvoker.setArguments(new Object[] {new Regular("Kotter")});
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methodInvoker.prepare();
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String greeting = (String) methodInvoker.invoke();
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assertEquals("regular: welcome back Kotter", greeting);
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}
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public void testVIPWithMethodInvoker() throws Exception {
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.setTargetObject(new Greeter());
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methodInvoker.setTargetMethod("greet");
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methodInvoker.setArguments(new Object[] {new VIP("Fonzie")});
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methodInvoker.prepare();
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String greeting = (String) methodInvoker.invoke();
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assertEquals("regular: whassup dude?", greeting);
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}
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public static class TestClass1 {
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public static int _staticField1;
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public int _field1 = 0;
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public int method1() {
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return ++_field1;
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}
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public static int staticMethod1() {
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return ++TestClass1._staticField1;
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}
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public static void voidRetvalMethod() {
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}
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public static void nullArgument(Object arg) {
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}
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public static void intArgument(int arg) {
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}
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public static void intArguments(int[] arg) {
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}
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public static String supertypes(Collection c, Integer i) {
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return i.toString();
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}
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public static String supertypes(Collection c, List l, String s) {
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return s;
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}
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public static String supertypes2(Collection c, List l, Integer i) {
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return i.toString();
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}
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public static String supertypes2(Collection c, List l, String s, Integer i) {
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return s;
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}
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public static String supertypes2(Collection c, List l, String s, String s2) {
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return s;
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}
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}
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public static class Greeter {
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// should handle Salesman (only interface)
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public String greet(Greetable greetable) {
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return "greetable: " + greetable.getGreeting();
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}
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// should handle Shopper (beats Greetable since it is a class)
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protected String greet(Purchaser purchaser) {
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return "purchaser: " + purchaser.getGreeting();
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}
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// should handle Customer (exact match)
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String greet(Customer customer) {
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return "customer: " + customer.getGreeting();
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}
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// should handle Regular (exact) and VIP (closest match)
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private String greet(Regular regular) {
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return "regular: " + regular.getGreeting();
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}
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}
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private static interface Greetable {
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String getGreeting();
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}
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private static interface Person extends Greetable {
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}
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private static class Purchaser implements Greetable {
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public String getGreeting() {
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return "hello";
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}
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}
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private static class Shopper extends Purchaser implements Person {
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public String getGreeting() {
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return "may I help you?";
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}
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}
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private static class Salesman implements Person {
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public String getGreeting() {
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return "how are sales?";
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}
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}
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private static class Customer extends Shopper {
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public String getGreeting() {
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return "good day";
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}
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}
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private static class Regular extends Customer {
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private String name;
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public Regular(String name) {
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this.name = name;
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}
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public String getGreeting() {
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return "welcome back " + name ;
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}
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}
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private static class VIP extends Regular {
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public VIP(String name) {
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super(name);
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}
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public String getGreeting() {
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return "whassup dude?";
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}
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}
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}
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