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 * Copyright 2010, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.jboss.weld.tests.beanManager.injectionPoint;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Arrays;

import javax.enterprise.inject.Default;
import javax.enterprise.inject.spi.AnnotatedConstructor;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedParameter;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.inject.Inject;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.BeanArchive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.weld.test.util.Utils;
import org.jboss.weld.tests.util.BeanUtilities;
import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(Arquillian.class)
public class CreateInjectionPointTest {

    @Inject
    private BeanManager manager;

    @Deployment
    public static Archive<?> getDeployment() {
        return ShrinkWrap.create(BeanArchive.class, Utils.getDeploymentNameAsHash(CreateInjectionPointTest.class)).addPackage(Book.class.getPackage()).addClass(BeanUtilities.class);
    }

    @Test
    public void testField() {
        AnnotatedType<?> type = manager.createAnnotatedType(Library.class);
        assertEquals(1, type.getFields().size());
        AnnotatedField<?> field = type.getFields().iterator().next();
        InjectionPoint ip = manager.createInjectionPoint(field);
        validateParameterizedType(ip.getType(), Book.class, String.class);
        BeanUtilities.verifyQualifierTypes(ip.getQualifiers(), Monograph.class, Fictional.class);
        assertNull(ip.getBean());
        assertEquals(field.getJavaMember(), ip.getMember());
        assertNotNull(ip.getAnnotated());
        assertFalse(ip.isDelegate());
        assertTrue(ip.isTransient());
    }

    @Test
    public void testConstructorParameter() {
        AnnotatedType<?> type = manager.createAnnotatedType(Library.class);
        assertEquals(1, type.getConstructors().size());
        AnnotatedConstructor<?> constructor = type.getConstructors().iterator().next();
        AnnotatedParameter<?> parameter = constructor.getParameters().get(1);
        InjectionPoint ip = manager.createInjectionPoint(parameter);
        validateParameterizedType(ip.getType(), Book.class, String.class);
        BeanUtilities.verifyQualifierTypes(ip.getQualifiers(), Fictional.class);
        assertNull(ip.getBean());
        assertEquals(constructor.getJavaMember(), ip.getMember());
        assertNotNull(ip.getAnnotated());
        assertFalse(ip.isDelegate());
        assertFalse(ip.isTransient());
    }

    @Test
    public void testMethodParameter() {
        AnnotatedType<?> type = manager.createAnnotatedType(Library.class);
        assertEquals(1, type.getMethods().size());
        AnnotatedMethod<?> method = type.getMethods().iterator().next();
        AnnotatedParameter<?> parameter = method.getParameters().get(2);
        InjectionPoint ip = manager.createInjectionPoint(parameter);
        validateParameterizedType(ip.getType(), Book.class, Integer.class);
        BeanUtilities.verifyQualifierTypes(ip.getQualifiers(), Default.class);
        assertNull(ip.getBean());
        assertEquals(method.getJavaMember(), ip.getMember());
        assertNotNull(ip.getAnnotated());
        assertFalse(ip.isDelegate());
        assertFalse(ip.isTransient());
    }

    private static void validateParameterizedType(Type type, Class<?> rawType, Type... types) {
        assertTrue(type instanceof ParameterizedType);
        ParameterizedType parameterized = (ParameterizedType) type;
        assertEquals(rawType, parameterized.getRawType());
        assertTrue(Arrays.equals(types, parameterized.getActualTypeArguments()));
    }
}