package com.coderising.litestruts; import java.lang.reflect.Field; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; public class ReflectionUtilTest { @Before public void setUp() throws Exception { } @After public void tearDown() throws Exception { } @Test public void testGetSetterMethod() throws Exception { String name = "com.coderising.litestruts.LoginAction"; Class<?> clz = Class.forName(name); List<Method> methods = ReflectionUtil.getSetterMethods(clz); Assert.assertEquals(2, methods.size()); List<String> expectedNames = new ArrayList<>(); expectedNames.add("setName"); expectedNames.add("setPassword"); Set<String> acctualNames = new HashSet<>(); for(Method m : methods){ acctualNames.add(m.getName()); } Assert.assertTrue(acctualNames.containsAll(expectedNames)); } @Test public void testSetParameters() throws Exception{ String name = "com.coderising.litestruts.LoginAction"; Class<?> clz = Class.forName(name); Object o = clz.newInstance(); Map<String, String> params = new HashMap<String, String>(); params.put("name", "test"); params.put("password", "1234"); ReflectionUtil.setParameters(o,params); Field f = clz.getDeclaredField("name"); f.setAccessible(true); Assert.assertEquals("test", f.get(o)); f = clz.getDeclaredField("password"); f.setAccessible(true); Assert.assertEquals("1234", f.get(o)); } @Test public void testGetGetterMethod() throws Exception{ String name = "com.coderising.litestruts.LoginAction"; Class<?> clz = Class.forName(name); List<Method> methods = ReflectionUtil.getGetterMethods(clz); Assert.assertEquals(3, methods.size()); List<String> expectedNames = new ArrayList<>(); expectedNames.add("getMessage"); expectedNames.add("getName"); expectedNames.add("getPassword"); Set<String> acctualNames = new HashSet<>(); for(Method m : methods){ acctualNames.add(m.getName()); } Assert.assertTrue(acctualNames.containsAll(expectedNames)); } @Test public void testGetParameters() throws Exception { String name = "com.coderising.litestruts.LoginAction"; Class<?> clz = Class.forName(name); LoginAction action = (LoginAction) clz.newInstance(); action.setName("test"); action.setPassword("123456"); Map<String, Object> params = ReflectionUtil.getParameterMap(action); Assert.assertEquals(3, params.size()); Assert.assertEquals(null, params.get("message")); Assert.assertEquals("test", params.get("name")); Assert.assertEquals("123456", params.get("password")); } }