init
This commit is contained in:
615
test/javax/el/TestBeanNameELResolver.java
Normal file
615
test/javax/el/TestBeanNameELResolver.java
Normal file
@@ -0,0 +1,615 @@
|
||||
/*
|
||||
* 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 javax.el;
|
||||
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
public class TestBeanNameELResolver {
|
||||
|
||||
private static final String BEAN01_NAME = "bean01";
|
||||
private static final TesterBean BEAN01 = new TesterBean(BEAN01_NAME);
|
||||
private static final String BEAN02_NAME = "bean02";
|
||||
private static final TesterBean BEAN02 = new TesterBean(BEAN02_NAME);
|
||||
private static final String BEAN99_NAME = "bean99";
|
||||
private static final TesterBean BEAN99 = new TesterBean(BEAN99_NAME);
|
||||
|
||||
/**
|
||||
* Creates the resolver that is used for the test. All the tests use a
|
||||
* resolver with the same configuration.
|
||||
*/
|
||||
private BeanNameELResolver createBeanNameELResolver() {
|
||||
return createBeanNameELResolver(true);
|
||||
}
|
||||
|
||||
private BeanNameELResolver createBeanNameELResolver(boolean allowCreate) {
|
||||
|
||||
TesterBeanNameResolver beanNameResolver = new TesterBeanNameResolver();
|
||||
beanNameResolver.setBeanValue(BEAN01_NAME, BEAN01);
|
||||
beanNameResolver.setBeanValue(BEAN02_NAME, BEAN02);
|
||||
beanNameResolver.setAllowCreate(allowCreate);
|
||||
|
||||
BeanNameELResolver beanNameELResolver =
|
||||
new BeanNameELResolver(beanNameResolver);
|
||||
return beanNameELResolver;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a null context results in an NPE as per EL Javadoc.
|
||||
*/
|
||||
@Test(expected=NullPointerException.class)
|
||||
public void testGetValue01() {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
resolver.getValue(null, new Object(), new Object());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a valid bean is resolved.
|
||||
*/
|
||||
@Test
|
||||
public void testGetValue02() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Object result = resolver.getValue(context, null, BEAN01_NAME);
|
||||
|
||||
Assert.assertEquals(BEAN01, result);
|
||||
Assert.assertTrue(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a valid bean is not resolved if base is non-null.
|
||||
*/
|
||||
@Test
|
||||
public void testGetValue03() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Object result = resolver.getValue(context, new Object(), BEAN01_NAME);
|
||||
|
||||
Assert.assertNull(result);
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a valid bean is not resolved if property is not a String even
|
||||
* if it can be coerced to a valid bean name.
|
||||
*/
|
||||
@Test
|
||||
public void testGetValue04() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Object property = new Object() {
|
||||
@Override
|
||||
public String toString() {
|
||||
return BEAN01_NAME;
|
||||
}
|
||||
};
|
||||
|
||||
Object result = resolver.getValue(context, null, property);
|
||||
|
||||
Assert.assertNull(result);
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Beans that don't exist shouldn't return anything
|
||||
*/
|
||||
@Test
|
||||
public void testGetValue05() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Object result = resolver.getValue(context, null, BEAN99_NAME);
|
||||
|
||||
Assert.assertNull(result);
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Exception during resolution should be wrapped and re-thrown.
|
||||
*/
|
||||
@Test
|
||||
public void testGetValue06() {
|
||||
doThrowableTest(TesterBeanNameResolver.EXCEPTION_TRIGGER_NAME,
|
||||
MethodUnderTest.GET_VALUE);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Throwable during resolution should be wrapped and re-thrown.
|
||||
*/
|
||||
@Test
|
||||
public void testGetValue07() {
|
||||
doThrowableTest(TesterBeanNameResolver.THROWABLE_TRIGGER_NAME,
|
||||
MethodUnderTest.GET_VALUE);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a null context results in an NPE as per EL Javadoc.
|
||||
*/
|
||||
@Test(expected=NullPointerException.class)
|
||||
public void testSetValue01() {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
resolver.setValue(null, new Object(), new Object(), new Object());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Test replace with create enabled.
|
||||
*/
|
||||
@Test
|
||||
public void testSetValue02() {
|
||||
doSetValueCreateReplaceTest(true, BEAN01_NAME);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Test replace with create disabled.
|
||||
*/
|
||||
@Test
|
||||
public void testSetValue03() {
|
||||
doSetValueCreateReplaceTest(false, BEAN01_NAME);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Test create with create enabled.
|
||||
*/
|
||||
@Test
|
||||
public void testSetValue04() {
|
||||
doSetValueCreateReplaceTest(true, BEAN99_NAME);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Test create with create disabled.
|
||||
*/
|
||||
@Test
|
||||
public void testSetValue05() {
|
||||
doSetValueCreateReplaceTest(false, BEAN99_NAME);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Test replacing a read-only bean with create enabled.
|
||||
*/
|
||||
@Test(expected=PropertyNotWritableException.class)
|
||||
public void testSetValue06() {
|
||||
doSetValueCreateReplaceTest(true,
|
||||
TesterBeanNameResolver.READ_ONLY_NAME);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Test replacing a read-only bean with create disable.
|
||||
*/
|
||||
@Test(expected=PropertyNotWritableException.class)
|
||||
public void testSetValue07() {
|
||||
doSetValueCreateReplaceTest(false,
|
||||
TesterBeanNameResolver.READ_ONLY_NAME);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Exception during resolution should be wrapped and re-thrown.
|
||||
*/
|
||||
@Test
|
||||
public void testSetValue08() {
|
||||
doThrowableTest(TesterBeanNameResolver.EXCEPTION_TRIGGER_NAME,
|
||||
MethodUnderTest.SET_VALUE);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Throwable during resolution should be wrapped and re-thrown.
|
||||
*/
|
||||
@Test
|
||||
public void testSetValue09() {
|
||||
doThrowableTest(TesterBeanNameResolver.THROWABLE_TRIGGER_NAME,
|
||||
MethodUnderTest.SET_VALUE);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a null context results in an NPE as per EL Javadoc.
|
||||
*/
|
||||
@Test(expected=NullPointerException.class)
|
||||
public void testGetType01() {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
resolver.getType(null, new Object(), new Object());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a valid bean is resolved.
|
||||
*/
|
||||
@Test
|
||||
public void testGetType02() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Class<?> result = resolver.getType(context, null, BEAN01_NAME);
|
||||
|
||||
Assert.assertEquals(BEAN01.getClass(), result);
|
||||
Assert.assertTrue(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a valid bean is not resolved if base is non-null.
|
||||
*/
|
||||
@Test
|
||||
public void testGetType03() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Class<?> result = resolver.getType(context, new Object(), BEAN01_NAME);
|
||||
|
||||
Assert.assertNull(result);
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a valid bean is not resolved if property is not a String even
|
||||
* if it can be coerced to a valid bean name.
|
||||
*/
|
||||
@Test
|
||||
public void testGetType04() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Object property = new Object() {
|
||||
@Override
|
||||
public String toString() {
|
||||
return BEAN01_NAME;
|
||||
}
|
||||
};
|
||||
|
||||
Class<?> result = resolver.getType(context, null, property);
|
||||
|
||||
Assert.assertNull(result);
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Beans that don't exist shouldn't return anything
|
||||
*/
|
||||
@Test
|
||||
public void testGetType05() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Class<?> result = resolver.getType(context, null, BEAN99_NAME);
|
||||
|
||||
Assert.assertNull(result);
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Exception during resolution should be wrapped and re-thrown.
|
||||
*/
|
||||
@Test
|
||||
public void testGetType06() {
|
||||
doThrowableTest(TesterBeanNameResolver.EXCEPTION_TRIGGER_NAME,
|
||||
MethodUnderTest.GET_TYPE);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Throwable during resolution should be wrapped and re-thrown.
|
||||
*/
|
||||
@Test
|
||||
public void testGetType07() {
|
||||
doThrowableTest(TesterBeanNameResolver.THROWABLE_TRIGGER_NAME,
|
||||
MethodUnderTest.GET_TYPE);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a null context results in an NPE as per EL Javadoc.
|
||||
*/
|
||||
@Test(expected=NullPointerException.class)
|
||||
public void testIsReadOnly01() {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
resolver.isReadOnly(null, new Object(), new Object());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a writable bean is reported as writable.
|
||||
*/
|
||||
@Test
|
||||
public void testIsReadOnly02() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
boolean result = resolver.isReadOnly(context, null, BEAN01_NAME);
|
||||
|
||||
Assert.assertFalse(result);
|
||||
Assert.assertTrue(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a read-only bean is reported as not writable.
|
||||
*/
|
||||
@Test
|
||||
public void testIsReadOnly03() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
boolean result = resolver.isReadOnly(context, null,
|
||||
TesterBeanNameResolver.READ_ONLY_NAME);
|
||||
|
||||
Assert.assertTrue(result);
|
||||
Assert.assertTrue(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a valid bean is not resolved if base is non-null.
|
||||
*/
|
||||
@Test
|
||||
public void testIsReadOnly04() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
resolver.isReadOnly(context, new Object(), BEAN01_NAME);
|
||||
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests that a valid bean is not resolved if property is not a String even
|
||||
* if it can be coerced to a valid bean name.
|
||||
*/
|
||||
@Test
|
||||
public void testIsReadOnly05() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Object property = new Object() {
|
||||
@Override
|
||||
public String toString() {
|
||||
return BEAN01_NAME;
|
||||
}
|
||||
};
|
||||
|
||||
resolver.isReadOnly(context, null, property);
|
||||
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Beans that don't exist should not resolve
|
||||
*/
|
||||
@Test
|
||||
public void testIsReadOnly06() {
|
||||
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
resolver.isReadOnly(context, null, BEAN99_NAME);
|
||||
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Exception during resolution should be wrapped and re-thrown.
|
||||
*/
|
||||
@Test
|
||||
public void testIsReadOnly07() {
|
||||
doThrowableTest(TesterBeanNameResolver.EXCEPTION_TRIGGER_NAME,
|
||||
MethodUnderTest.IS_READ_ONLY);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Throwable during resolution should be wrapped and re-thrown.
|
||||
*/
|
||||
@Test
|
||||
public void testIsReadOnly08() {
|
||||
doThrowableTest(TesterBeanNameResolver.THROWABLE_TRIGGER_NAME,
|
||||
MethodUnderTest.IS_READ_ONLY);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Confirm it returns null for 'valid' input.
|
||||
*/
|
||||
public void testGetFeatureDescriptors01() {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Object result = resolver.getFeatureDescriptors(context, null);
|
||||
|
||||
Assert.assertNull(result);
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Confirm it returns null for invalid input.
|
||||
*/
|
||||
public void testGetFeatureDescriptors02() {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
|
||||
Object result = resolver.getFeatureDescriptors(null, new Object());
|
||||
|
||||
Assert.assertNull(result);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Confirm it returns String.class for 'valid' input.
|
||||
*/
|
||||
public void testGetCommonPropertyType01() {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
Object result = resolver.getCommonPropertyType(context, null);
|
||||
|
||||
Assert.assertNull(result);
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Confirm it returns String.class for invalid input.
|
||||
*/
|
||||
public void testGetCommonPropertyType02() {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
|
||||
Object result = resolver.getCommonPropertyType(null, new Object());
|
||||
|
||||
Assert.assertNull(result);
|
||||
}
|
||||
|
||||
|
||||
private void doThrowableTest(String trigger, MethodUnderTest method) {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver();
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
ELException elException = null;
|
||||
try {
|
||||
switch (method) {
|
||||
case GET_VALUE: {
|
||||
resolver.getValue(context, null, trigger);
|
||||
break;
|
||||
}
|
||||
case SET_VALUE: {
|
||||
resolver.setValue(context, null, trigger, new Object());
|
||||
break;
|
||||
}
|
||||
case GET_TYPE: {
|
||||
resolver.getType(context, null, trigger);
|
||||
break;
|
||||
}
|
||||
case IS_READ_ONLY: {
|
||||
resolver.isReadOnly(context, null, trigger);
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
// Should never happen
|
||||
Assert.fail("Missing case for method");
|
||||
}
|
||||
}
|
||||
|
||||
} catch (ELException e) {
|
||||
elException = e;
|
||||
}
|
||||
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
Assert.assertNotNull(elException);
|
||||
|
||||
Throwable cause = elException.getCause();
|
||||
Assert.assertNotNull(cause);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Tests adding/replacing beans beans
|
||||
*/
|
||||
private void doSetValueCreateReplaceTest(boolean canCreate,
|
||||
String beanName) {
|
||||
BeanNameELResolver resolver = createBeanNameELResolver(canCreate);
|
||||
ELContext context =
|
||||
new StandardELContext(ELManager.getExpressionFactory());
|
||||
|
||||
// Get bean one to be sure it has been replaced when testing replace
|
||||
Object bean = resolver.getValue(context, null, BEAN01_NAME);
|
||||
|
||||
Assert.assertTrue(context.isPropertyResolved());
|
||||
Assert.assertEquals(BEAN01, bean);
|
||||
|
||||
// Reset context
|
||||
context.setPropertyResolved(false);
|
||||
|
||||
// Replace BEAN01
|
||||
resolver.setValue(context, null, beanName, BEAN99);
|
||||
if (canCreate || BEAN01_NAME.equals(beanName)) {
|
||||
Assert.assertTrue(context.isPropertyResolved());
|
||||
|
||||
// Obtain BEAN01 again
|
||||
context.setPropertyResolved(false);
|
||||
bean = resolver.getValue(context, null, beanName);
|
||||
|
||||
Assert.assertTrue(context.isPropertyResolved());
|
||||
Assert.assertEquals(BEAN99, bean);
|
||||
} else {
|
||||
Assert.assertFalse(context.isPropertyResolved());
|
||||
|
||||
// Obtain BEAN01 again
|
||||
context.setPropertyResolved(false);
|
||||
bean = resolver.getValue(context, null, BEAN01_NAME);
|
||||
|
||||
Assert.assertTrue(context.isPropertyResolved());
|
||||
Assert.assertEquals(BEAN01, bean);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
private enum MethodUnderTest {
|
||||
GET_VALUE,
|
||||
SET_VALUE,
|
||||
GET_TYPE,
|
||||
IS_READ_ONLY
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user