/**
 * JBoss, Home of Professional Open Source
 *
 * Copyright 2011, 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.seam.validation.di;

import static org.junit.Assert.assertEquals;

import java.io.File;
import java.util.Set;

import javax.enterprise.inject.spi.BeanManager;
import javax.inject.Inject;
import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.solder.beanManager.BeanManagerLocator;
import org.jboss.seam.validation.InjectingConstraintValidatorFactory;
import org.jboss.seam.validation.di.constraint.ValidHello;
import org.jboss.seam.validation.di.service.HelloWorldService;
import org.jboss.seam.validation.testutil.StaticBeanManagerProvider;
import org.jboss.shrinkwrap.api.ArchivePaths;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Test;
import org.junit.runner.RunWith;

/**
 * Test for {@link InjectingConstraintValidatorFactory}.
 * 
 * @author Gunnar Morling
 * 
 */
@RunWith(Arquillian.class)
public class InjectingConstraintValidatorFactoryTest {

    @Inject
    private Validator validator;

    @Inject
    private BeanManager beanManager;

    @Deployment
    public static JavaArchive createTestArchive() throws Exception {
        return ShrinkWrap
                .create(JavaArchive.class, "test.jar")
                .addAsManifestResource(EmptyAsset.INSTANCE, ArchivePaths.create("beans.xml"))
                .addAsManifestResource(new File("src/main/resources/META-INF/services/javax.enterprise.inject.spi.Extension"))
                .addAsManifestResource(
                        new File("src/test/resources/META-INF/services/org.jboss.solder.beanManager.BeanManagerProvider"))
                .addPackage(InjectingConstraintValidatorFactoryTest.class.getPackage())
                .addPackage(HelloWorldService.class.getPackage()).addPackage(ValidHello.class.getPackage());
    }

    @Test
    public void constraintValidatorWithInjectedDependency() {

        Set<ConstraintViolation<Model>> violations = validator.validate(new Model());
        assertEquals(2, violations.size());
    }

    /**
     * <p>
     * The {@link Validator} is not retrieved via CDI, but using the plain Bean Validation API. Nevertheless
     * {@link InjectingConstraintValidatorFactory} is configured in <code>validation.xml</code>.
     * </p>
     * <p>
     * In this case the {@link BeanManager} used in <code>InjectingConstraintValidatorFactory</code> is obtained via
     * {@link BeanManagerLocator}.
     * </p>
     * <p>
     * An example for this scenario would be a validation triggered by JSF which retrieves the validator in that way.
     * </p>
     * 
     * @see SEAMVALIDATE-14
     */
    @Test
    public void unmanagedValidator() {
        // set the BM to be returned by BeanManagerLocator (normally the BM would be retrieved from JNDI)
        StaticBeanManagerProvider.setBeanManager(beanManager);

        Validator unmanagedValidator = Validation.buildDefaultValidatorFactory().getValidator();
        Set<ConstraintViolation<Model>> violations = unmanagedValidator.validate(new Model());
        assertEquals(2, violations.size());

    }

    /**
     * <p>
     * The {@link Validator} is not retrieved via CDI, but using the plain Bean Validation API. Nevertheless
     * {@link InjectingConstraintValidatorFactory} is configured in <code>validation.xml</code>.
     * </p>
     * <p>
     * In this case the {@link BeanManager} used in <code>InjectingConstraintValidatorFactory</code> is obtained via
     * {@link BeanManagerLocator}, but no <code>BeanManager</code> can be found there. An exception is expected in this case as
     * <code>InjectingConstraintValidatorFactory</code> can't be used without a bean manager.
     * </p>
     * 
     * @see SEAMVALIDATE-14
     */
    @Test(expected = IllegalStateException.class)
    public void unmanagedValidatorWithoutBeanManager() {
        StaticBeanManagerProvider.setBeanManager(null);

        Validator unmanagedValidator = Validation.buildDefaultValidatorFactory().getValidator();
        unmanagedValidator.validate(new Model());
    }

}