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package org.apache.velocity.test;
/*
* 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.
*/
import junit.framework.Test;
import junit.framework.TestSuite;
import org.apache.velocity.test.misc.TestLogger;
import org.apache.velocity.util.introspection.Introspector;
import java.lang.reflect.Method;
/**
* Test case for the Velocity Introspector which uses
* the Java Reflection API to determine the correct
* signature of the methods used in VTL templates.
*
* This should be split into separate tests for each
* of the methods searched for but this is a start
* for now.
*
* @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
* @version $Id$
*/
public class IntrospectorTestCase extends BaseTestCase
{
private static MethodProvider mp;
private Introspector introspector;
@Override
public void setUp()
{
mp = new MethodProvider();
log = new TestLogger();
introspector = new Introspector(log);
}
/**
* Creates a new instance.
*/
public IntrospectorTestCase (String name)
{
super(name);
}
/**
* Get the containing <code>TestSuite</code>. This is always
* <code>VelocityTestSuite</code>.
*
* @return The <code>TestSuite</code> to run.
*/
public static Test suite ()
{
return new TestSuite(IntrospectorTestCase.class);
}
public void testIntrospectorBoolean()
throws Exception
{
// Test boolean primitive.
Object[] booleanParams = {Boolean.TRUE};
String type = "boolean";
Method method = introspector.getMethod(
MethodProvider.class, type + "Method", booleanParams);
String result = (String) method.invoke(mp, booleanParams);
assertEquals("Method could not be found", type, result);
}
public void testIntrospectorByte()
throws Exception
{
// Test byte primitive.
Object[] byteParams = { new Byte("1") };
String type = "byte";
Method method = introspector.getMethod(
MethodProvider.class, type + "Method", byteParams);
String result = (String) method.invoke(mp, byteParams);
assertEquals("Method could not be found", type, result);
}
public void testIntrospectorChar()
throws Exception
{
// Test char primitive.
Object[] characterParams = {'a'};
String type = "character";
Method method = introspector.getMethod(
MethodProvider.class, type + "Method", characterParams);
String result = (String) method.invoke(mp, characterParams);
assertEquals("Method could not be found", type, result);
}
public void testIntrospectorDouble()
throws Exception
{
// Test double primitive.
Object[] doubleParams = { 1.0 };
String type = "double";
Method method = introspector.getMethod(
MethodProvider.class, type + "Method", doubleParams);
String result = (String) method.invoke(mp, doubleParams);
assertEquals("Method could not be found", type, result);
}
public void testIntrospectorFloat()
throws Exception
{
// Test float primitive.
Object[] floatParams = { 1.0f };
String type = "float";
Method method = introspector.getMethod(
MethodProvider.class, type + "Method", floatParams);
String result = (String) method.invoke(mp, floatParams);
assertEquals("Method could not be found", type, result);
}
public void testIntrospectorInteger()
throws Exception
{
// Test integer primitive.
Object[] integerParams = { 1 };
String type = "integer";
Method method = introspector.getMethod(
MethodProvider.class, type + "Method", integerParams);
String result = (String) method.invoke(mp, integerParams);
assertEquals("Method could not be found", type, result);
}
public void testIntrospectorPrimitiveLong()
throws Exception
{
// Test long primitive.
Object[] longParams = { 1L };
String type = "long";
Method method = introspector.getMethod(
MethodProvider.class, type + "Method", longParams);
String result = (String) method.invoke(mp, longParams);
assertEquals("Method could not be found", type, result);
}
public void testIntrospectorPrimitiveShort()
throws Exception
{
// Test short primitive.
Object[] shortParams = {(short) 1};
String type = "short";
Method method = introspector.getMethod(
MethodProvider.class, type + "Method", shortParams);
String result = (String) method.invoke(mp, shortParams);
assertEquals("Method could not be found", type, result);
}
public void testIntrospectorUntouchable()
throws Exception
{
// Test untouchable
Object[] params = {};
Method method = introspector.getMethod(
MethodProvider.class, "untouchable", params);
assertNull("able to access a private-access method.", method);
}
public void testIntrospectorReallyUntouchable()
throws Exception
{
// Test really untouchable
Object[] params = {};
Method method = introspector.getMethod(
MethodProvider.class, "reallyuntouchable", params);
assertNull("able to access a private-access method.", method);
}
public static class MethodProvider
{
/*
* Methods with native parameter types.
*/
public String booleanMethod (boolean p) { return "boolean"; }
public String byteMethod (byte p) { return "byte"; }
public String characterMethod (char p) { return "character"; }
public String doubleMethod (double p) { return "double"; }
public String floatMethod (float p) { return "float"; }
public String integerMethod (int p) { return "integer"; }
public String longMethod (long p) { return "long"; }
public String shortMethod (short p) { return "short"; }
String untouchable() { return "yech";}
// don't remove! Used through introspection for testing!
private String reallyuntouchable() { return "yech!"; }
}
}
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