/*
* 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.el;
import javax.el.ELContext;
import javax.el.ExpressionFactory;
import javax.el.MethodExpression;
import javax.el.ValueExpression;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import org.junit.Before;
import org.junit.Test;
import org.apache.jasper.el.ELContextImpl;
public class TestMethodExpressionImpl {
private static final String BUG53792 = "TEST_PASS";
private ExpressionFactory factory;
private ELContext context;
private TesterBeanB beanB;
@Before
public void setUp() {
factory = ExpressionFactory.newInstance();
context = new ELContextImpl();
TesterBeanA beanA = new TesterBeanA();
beanA.setName("A");
context.getVariableMapper().setVariable("beanA",
factory.createValueExpression(beanA, TesterBeanA.class));
TesterBeanAA beanAA = new TesterBeanAA();
beanAA.setName("AA");
context.getVariableMapper().setVariable("beanAA",
factory.createValueExpression(beanAA, TesterBeanAA.class));
TesterBeanAAA beanAAA = new TesterBeanAAA();
beanAAA.setName("AAA");
context.getVariableMapper().setVariable("beanAAA",
factory.createValueExpression(beanAAA, TesterBeanAAA.class));
beanB = new TesterBeanB();
beanB.setName("B");
context.getVariableMapper().setVariable("beanB",
factory.createValueExpression(beanB, TesterBeanB.class));
TesterBeanBB beanBB = new TesterBeanBB();
beanBB.setName("BB");
context.getVariableMapper().setVariable("beanBB",
factory.createValueExpression(beanBB, TesterBeanBB.class));
TesterBeanBBB beanBBB = new TesterBeanBBB();
beanBBB.setName("BBB");
context.getVariableMapper().setVariable("beanBBB",
factory.createValueExpression(beanBBB, TesterBeanBBB.class));
TesterBeanC beanC = new TesterBeanC();
context.getVariableMapper().setVariable("beanC",
factory.createValueExpression(beanC, TesterBeanC.class));
TesterBeanEnum beanEnum = new TesterBeanEnum();
context.getVariableMapper().setVariable("beanEnum",
factory.createValueExpression(beanEnum, TesterBeanEnum.class));
}
@Test
public void testIsParametersProvided() {
TesterBeanB beanB = new TesterBeanB();
beanB.setName("Tomcat");
ValueExpression var =
factory.createValueExpression(beanB, TesterBeanB.class);
context.getVariableMapper().setVariable("beanB", var);
MethodExpression me1 = factory.createMethodExpression(
context, "${beanB.getName}", String.class, new Class<?>[] {});
MethodExpression me2 = factory.createMethodExpression(
context, "${beanB.sayHello('JUnit')}", String.class,
new Class<?>[] { String.class });
assertFalse(me1.isParmetersProvided());
assertTrue(me2.isParmetersProvided());
}
@Test
public void testInvoke() {
TesterBeanB beanB = new TesterBeanB();
beanB.setName("B");
context.getVariableMapper().setVariable("beanB",
factory.createValueExpression(beanB, TesterBeanB.class));
MethodExpression me1 = factory.createMethodExpression(
context, "${beanB.getName}", String.class, new Class<?>[] {});
MethodExpression me2 = factory.createMethodExpression(
context, "${beanB.sayHello('JUnit')}", String.class,
new Class<?>[] { String.class });
MethodExpression me3 = factory.createMethodExpression(
context, "${beanB.sayHello}", String.class,
new Class<?>[] { String.class });
assertEquals("B", me1.invoke(context, null));
assertEquals("Hello JUnit from B", me2.invoke(context, null));
assertEquals("Hello JUnit from B",
me2.invoke(context, new Object[] { "JUnit2" }));
assertEquals("Hello JUnit2 from B",
me3.invoke(context, new Object[] { "JUnit2" }));
assertEquals("Hello JUnit from B",
me2.invoke(context, new Object[] { null }));
assertEquals("Hello from B",
me3.invoke(context, new Object[] { null }));
}
@Test
public void testInvokeWithSuper() {
MethodExpression me = factory.createMethodExpression(context,
"${beanA.setBean(beanBB)}", null ,
new Class<?>[] { TesterBeanB.class });
me.invoke(context, null);
ValueExpression ve = factory.createValueExpression(context,
"${beanA.bean.name}", String.class);
Object r = ve.getValue(context);
assertEquals("BB", r);
}
@Test
public void testInvokeWithSuperABNoReturnTypeNoParamTypes() {
MethodExpression me2 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanB)}", null , null);
Object r2 = me2.invoke(context, null);
assertEquals("AB: Hello A from B", r2.toString());
}
@Test
public void testInvokeWithSuperABReturnTypeNoParamTypes() {
MethodExpression me3 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanB)}", String.class , null);
Object r3 = me3.invoke(context, null);
assertEquals("AB: Hello A from B", r3.toString());
}
@Test
public void testInvokeWithSuperABNoReturnTypeParamTypes() {
MethodExpression me4 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanB)}", null ,
new Class<?>[] {TesterBeanA.class, TesterBeanB.class});
Object r4 = me4.invoke(context, null);
assertEquals("AB: Hello A from B", r4.toString());
}
@Test
public void testInvokeWithSuperABReturnTypeParamTypes() {
MethodExpression me5 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanB)}", String.class ,
new Class<?>[] {TesterBeanA.class, TesterBeanB.class});
Object r5 = me5.invoke(context, null);
assertEquals("AB: Hello A from B", r5.toString());
}
@Test
public void testInvokeWithSuperABB() {
MethodExpression me6 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanBB)}", null , null);
Object r6 = me6.invoke(context, null);
assertEquals("ABB: Hello A from BB", r6.toString());
}
@Test
public void testInvokeWithSuperABBB() {
MethodExpression me7 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanBBB)}", null , null);
Object r7 = me7.invoke(context, null);
assertEquals("ABB: Hello A from BBB", r7.toString());
}
@Test
public void testInvokeWithSuperAAB() {
MethodExpression me8 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAA,beanB)}", null , null);
Object r8 = me8.invoke(context, null);
assertEquals("AAB: Hello AA from B", r8.toString());
}
@Test
public void testInvokeWithSuperAABB() {
MethodExpression me9 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAA,beanBB)}", null , null);
Exception e = null;
try {
me9.invoke(context, null);
} catch (Exception e1) {
e = e1;
}
// Expected to fail
assertNotNull(e);
}
@Test
public void testInvokeWithSuperAABBB() {
// The Java compiler reports this as ambiguous. Using the parameter that
// matches exactly seems reasonable to limit the scope of the method
// search so the EL will find a match.
MethodExpression me10 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAA,beanBBB)}", null , null);
Object r10 = me10.invoke(context, null);
assertEquals("AAB: Hello AA from BBB", r10.toString());
}
@Test
public void testInvokeWithSuperAAAB() {
MethodExpression me11 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAAA,beanB)}", null , null);
Object r11 = me11.invoke(context, null);
assertEquals("AAB: Hello AAA from B", r11.toString());
}
@Test
public void testInvokeWithSuperAAABB() {
// The Java compiler reports this as ambiguous. Using the parameter that
// matches exactly seems reasonable to limit the scope of the method
// search so the EL will find a match.
MethodExpression me12 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAAA,beanBB)}", null , null);
Object r12 = me12.invoke(context, null);
assertEquals("ABB: Hello AAA from BB", r12.toString());
}
@Test
public void testInvokeWithSuperAAABBB() {
MethodExpression me13 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAAA,beanBBB)}", null , null);
Exception e = null;
try {
me13.invoke(context, null);
} catch (Exception e1) {
e = e1;
}
// Expected to fail
assertNotNull(e);
}
@Test
public void testInvokeWithVarArgsAB() throws Exception {
MethodExpression me1 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanB,beanB)}", null , null);
Exception e = null;
try {
me1.invoke(context, null);
} catch (Exception e1) {
e = e1;
}
// Expected to fail
assertNotNull(e);
}
@Test
public void testInvokeWithVarArgsABB() throws Exception {
MethodExpression me2 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanBB,beanBB)}", null , null);
Object r2 = me2.invoke(context, null);
assertEquals("ABB[]: Hello A from BB, BB", r2.toString());
}
@Test
public void testInvokeWithVarArgsABBB() throws Exception {
MethodExpression me3 = factory.createMethodExpression(context,
"${beanC.sayHello(beanA,beanBBB,beanBBB)}", null , null);
Object r3 = me3.invoke(context, null);
assertEquals("ABB[]: Hello A from BBB, BBB", r3.toString());
}
@Test
public void testInvokeWithVarArgsAAB() throws Exception {
MethodExpression me4 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAA,beanB,beanB)}", null , null);
Exception e = null;
try {
me4.invoke(context, null);
} catch (Exception e1) {
e = e1;
}
// Expected to fail
assertNotNull(e);
}
@Test
public void testInvokeWithVarArgsAABB() throws Exception {
MethodExpression me5 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAA,beanBB,beanBB)}", null , null);
Object r5 = me5.invoke(context, null);
assertEquals("ABB[]: Hello AA from BB, BB", r5.toString());
}
@Test
public void testInvokeWithVarArgsAABBB() throws Exception {
MethodExpression me6 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAA,beanBBB,beanBBB)}", null , null);
Object r6 = me6.invoke(context, null);
assertEquals("ABB[]: Hello AA from BBB, BBB", r6.toString());
}
@Test
public void testInvokeWithVarArgsAAAB() throws Exception {
MethodExpression me7 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAAA,beanB,beanB)}", null , null);
Exception e = null;
try {
me7.invoke(context, null);
} catch (Exception e1) {
e = e1;
}
// Expected to fail
assertNotNull(e);
}
@Test
public void testInvokeWithVarArgsAAABB() throws Exception {
MethodExpression me8 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAAA,beanBB,beanBB)}", null , null);
Object r8 = me8.invoke(context, null);
assertEquals("ABB[]: Hello AAA from BB, BB", r8.toString());
}
@Test
public void testInvokeWithVarArgsAAABBB() throws Exception {
MethodExpression me9 = factory.createMethodExpression(context,
"${beanC.sayHello(beanAAA,beanBBB,beanBBB)}", null , null);
Object r9 = me9.invoke(context, null);
assertEquals("ABB[]: Hello AAA from BBB, BBB", r9.toString());
}
/*
* This is also tested implicitly in numerous places elsewhere in this
* class.
*/
@Test
public void testBug49655() throws Exception {
// This is the call the failed
MethodExpression me = factory.createMethodExpression(context,
"#{beanA.setName('New value')}", null, null);
// The rest is to check it worked correctly
me.invoke(context, null);
ValueExpression ve = factory.createValueExpression(context,
"#{beanA.name}", java.lang.String.class);
assertEquals("New value", ve.getValue(context));
}
@Test
public void testBugPrimitives() throws Exception {
MethodExpression me = factory.createMethodExpression(context,
"${beanA.setValLong(5)}", null, null);
me.invoke(context, null);
ValueExpression ve = factory.createValueExpression(context,
"#{beanA.valLong}", java.lang.String.class);
assertEquals("5", ve.getValue(context));
}
@Test
public void testBug50449a() throws Exception {
MethodExpression me1 = factory.createMethodExpression(context,
"${beanB.sayHello()}", null, null);
String actual = (String) me1.invoke(context, null);
assertEquals("Hello from B", actual);
}
@Test
public void testBug50449b() throws Exception {
MethodExpression me1 = factory.createMethodExpression(context,
"${beanB.sayHello('Tomcat')}", null, null);
String actual = (String) me1.invoke(context, null);
assertEquals("Hello Tomcat from B", actual);
}
@Test
public void testBug50790a() throws Exception {
ValueExpression ve = factory.createValueExpression(context,
"#{beanAA.name.contains(beanA.name)}", java.lang.Boolean.class);
Boolean actual = (Boolean) ve.getValue(context);
assertEquals(Boolean.TRUE, actual);
}
@Test
public void testBug50790b() throws Exception {
ValueExpression ve = factory.createValueExpression(context,
"#{beanA.name.contains(beanAA.name)}", java.lang.Boolean.class);
Boolean actual = (Boolean) ve.getValue(context);
assertEquals(Boolean.FALSE, actual);
}
@Test
public void testBug52445a() {
MethodExpression me = factory.createMethodExpression(context,
"${beanA.setBean(beanBB)}", null ,
new Class<?>[] { TesterBeanB.class });
me.invoke(context, null);
MethodExpression me1 = factory.createMethodExpression(context,
"${beanA.bean.sayHello()}", null, null);
String actual = (String) me1.invoke(context, null);
assertEquals("Hello from BB", actual);
}
@Test
public void testBug52970() {
MethodExpression me = factory.createMethodExpression(context,
"${beanEnum.submit('APPLE')}", null ,
new Class<?>[] { TesterBeanEnum.class });
me.invoke(context, null);
ValueExpression ve = factory.createValueExpression(context,
"#{beanEnum.lastSubmitted}", TesterEnum.class);
TesterEnum actual = (TesterEnum) ve.getValue(context);
assertEquals(TesterEnum.APPLE, actual);
}
@Test
public void testBug53792a() {
MethodExpression me = factory.createMethodExpression(context,
"${beanA.setBean(beanB)}", null ,
new Class<?>[] { TesterBeanB.class });
me.invoke(context, null);
me = factory.createMethodExpression(context,
"${beanB.setName('" + BUG53792 + "')}", null ,
new Class<?>[] { TesterBeanB.class });
me.invoke(context, null);
ValueExpression ve = factory.createValueExpression(context,
"#{beanA.getBean().name}", java.lang.String.class);
String actual = (String) ve.getValue(context);
assertEquals(BUG53792, actual);
}
@Test
public void testBug53792b() {
MethodExpression me = factory.createMethodExpression(context,
"${beanA.setBean(beanB)}", null ,
new Class<?>[] { TesterBeanB.class });
me.invoke(context, null);
me = factory.createMethodExpression(context,
"${beanB.setName('" + BUG53792 + "')}", null ,
new Class<?>[] { TesterBeanB.class });
me.invoke(context, null);
ValueExpression ve = factory.createValueExpression(context,
"#{beanA.getBean().name.length()}", java.lang.Integer.class);
Integer actual = (Integer) ve.getValue(context);
assertEquals(Integer.valueOf(BUG53792.length()), actual);
}
@Test
public void testBug53792c() {
MethodExpression me = factory.createMethodExpression(context,
"#{beanB.sayHello().length()}", null, new Class<?>[] {});
Integer result = (Integer) me.invoke(context, null);
assertEquals(beanB.sayHello().length(), result.intValue());
}
@Test
public void testBug53792d() {
MethodExpression me = factory.createMethodExpression(context,
"#{beanB.sayHello().length()}", null, new Class<?>[] {});
Integer result = (Integer) me.invoke(context, new Object[] { "foo" });
assertEquals(beanB.sayHello().length(), result.intValue());
}
@Test
public void testBug56797a() {
MethodExpression me = factory.createMethodExpression(context,
"${beanAA.echo1('Hello World!')}", null , null);
Object r = me.invoke(context, null);
assertEquals("AA1Hello World!", r.toString());
}
@Test
public void testBug56797b() {
MethodExpression me = factory.createMethodExpression(context,
"${beanAA.echo2('Hello World!')}", null , null);
Object r = me.invoke(context, null);
assertEquals("AA2Hello World!", r.toString());
}
@Test(expected=IllegalArgumentException.class)
public void testBug57855a() {
MethodExpression me = factory.createMethodExpression(context,
"${beanAA.echo2}", null , new Class[]{String.class});
me.invoke(context, new Object[0]);
}
@Test(expected=IllegalArgumentException.class)
public void testBug57855b() {
MethodExpression me = factory.createMethodExpression(context,
"${beanAA.echo2}", null , new Class[]{String.class});
me.invoke(context, null);
}
@Test
public void testBug57855c() {
MethodExpression me = factory.createMethodExpression(context,
"${beanB.echo}", null , new Class[]{String.class});
me.invoke(context, null);
}
@Test
public void testBug57855d() {
MethodExpression me = factory.createMethodExpression(context,
"${beanB.echo}", null , new Class[]{String.class});
Object r = me.invoke(context, new String[] { "aaa" });
assertEquals("aaa", r.toString());
}
@Test
public void testBug57855e() {
MethodExpression me = factory.createMethodExpression(context,
"${beanB.echo}", null , new Class[]{String.class});
Object r = me.invoke(context, new String[] { "aaa", "bbb" });
assertEquals("aaa, bbb", r.toString());
}
@Test(expected=IllegalArgumentException.class)
public void testBug60844() {
MethodExpression me2 = factory.createMethodExpression(context,
"${beanC.sayHello}", null , new Class[]{ TesterBeanA.class, TesterBeanB.class});
me2.invoke(context, new Object[] { new Object() });
}
}