ch.ralscha.extdirectspring.util.MethodInfoCacheTest.java Source code

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Here is the source code for ch.ralscha.extdirectspring.util.MethodInfoCacheTest.java

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/**
 * Copyright 2010-2014 Ralph Schaer <ralphschaer@gmail.com>
 *
 * Licensed 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 ch.ralscha.extdirectspring.util;

import static org.fest.assertions.api.Assertions.assertThat;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import nl.jqno.equalsverifier.EqualsVerifier;

import org.junit.Test;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import ch.ralscha.extdirectspring.annotation.ExtDirectMethod;

public class MethodInfoCacheTest {

    @Test
    public void verifyEquals() {
        EqualsVerifier.forClass(MethodInfoCache.Key.class).verify();
    }

    @Test
    @ExtDirectMethod
    public void testPutAndGet() throws SecurityException, NoSuchMethodException {
        MethodInfoCache methodInfoCache = new MethodInfoCache();

        Method thisMethod = getClass().getMethod("testPutAndGet", (Class<?>[]) null);

        methodInfoCache.put("methodCacheTest", getClass(), thisMethod, null);
        assertThat(methodInfoCache.get("methodCacheTest", "testPu")).isNull();
        assertThat(methodInfoCache.get("methodCacheTes", "testPut")).isNull();
        assertThat(methodInfoCache.get("methodCacheTest", "testPutAndGet").getMethod()).isEqualTo(thisMethod);
    }

    @Test
    public void testKey() {
        MethodInfoCache.Key key1 = new MethodInfoCache.Key("bean", "method");
        MethodInfoCache.Key key2 = new MethodInfoCache.Key("bean", "otherMethod");
        MethodInfoCache.Key key3 = new MethodInfoCache.Key("otherBean", "otherMethod");

        assertThat(key1.equals(key1)).isTrue();
        assertThat(key2.equals(key2)).isTrue();
        assertThat(key3.equals(key3)).isTrue();

        assertThat(key1.equals(key2)).isFalse();
        assertThat(key1.equals(key3)).isFalse();

        assertThat(key1.equals("test")).isFalse();
    }

    @Test
    public void testFindMethodWithAnnotation() {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("/testApplicationContextB.xml");
        MethodInfoCache methodInfoCache = context.getBean(MethodInfoCache.class);

        MethodInfo methodBInfo = methodInfoCache.get("springManagedBean", "methodB");
        Method methodBWithAnnotation = MethodInfo.findMethodWithAnnotation(methodBInfo.getMethod(),
                ExtDirectMethod.class);
        assertThat(methodBWithAnnotation).isEqualTo(methodBInfo.getMethod());

        MethodInfo methodSubBInfo = methodInfoCache.get("springManagedSubBean", "methodB");
        methodBWithAnnotation = MethodInfo.findMethodWithAnnotation(methodSubBInfo.getMethod(),
                ExtDirectMethod.class);
        assertThat(methodSubBInfo.getMethod().equals(methodBWithAnnotation)).isFalse();
        assertThat(methodBInfo.getMethod().equals(methodBWithAnnotation)).isTrue();
        context.close();
    }

    @Test(expected = NullPointerException.class)
    public void testInvokeWithNull()
            throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
        ClassPathXmlApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext(
                "/testApplicationContextB.xml");
        ExtDirectSpringUtil.invoke(null, null, null, null);
        classPathXmlApplicationContext.close();
    }

    @Test(expected = NoSuchBeanDefinitionException.class)
    public void testNonExistingBeanAndMethod()
            throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("/testApplicationContextB.xml");
        MethodInfoCache methodInfoCache = context.getBean(MethodInfoCache.class);
        MethodInfo info = methodInfoCache.get("springManagedBeanA", "methodA");
        ExtDirectSpringUtil.invoke(context, "springManagedBeanA", info, null);
        context.close();
    }

    @Test(expected = NullPointerException.class)
    public void testExistingWithouEdsAnnotation()
            throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
        MethodInfoCache methodInfoCache = new MethodInfoCache();
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("/testApplicationContextB.xml");
        MethodInfo info = methodInfoCache.get("springManagedBean", "methodA");
        ExtDirectSpringUtil.invoke(context, "springManagedBean", info, null);
        context.close();
    }

    @Test
    public void testFindMethodAndInvoke()
            throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {

        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("/testApplicationContextB.xml");
        MethodInfoCache methodInfoCache = context.getBean(MethodInfoCache.class);

        MethodInfo infoB = methodInfoCache.get("springManagedBean", "methodB");

        assertThat((Boolean) ExtDirectSpringUtil.invoke(context, "springManagedBean", infoB, null)).isFalse();
        assertThat((Boolean) ExtDirectSpringUtil.invoke(context, "springManagedBean", infoB, null)).isFalse();

        MethodInfo infoSum = methodInfoCache.get("springManagedBean", "sum");

        assertThat(ExtDirectSpringUtil.invoke(context, "springManagedBean", infoSum, new Object[] { 1, 2 }))
                .isEqualTo(Integer.valueOf(3));
        assertThat(ExtDirectSpringUtil.invoke(context, "springManagedBean", infoSum, new Object[] { 6, 3 }))
                .isEqualTo(Integer.valueOf(9));

        assertThat(methodInfoCache.get("springManagedBean", "methodC")).isNull();
        context.close();
    }

}