AbstractJPATest.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package cn.orz.pascal.blog.dao;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.transaction.UserTransaction;

/**
 *
 * @author hiro
 */
public class AbstractJPATest {

    public AbstractJPATest() {
    }
    @PersistenceContext
    EntityManager em;
    @Inject
    UserTransaction utx;

    /**
     * delete entites record.
     *
     * @param <T> entity type.
     * @param entity entity type class.
     * @throws Exception
     */
    protected <T> void clearData(Class<T> entity) throws Exception {
        utx.begin();
        em.joinTransaction();
        System.out.println("Dumping old records...");
        em.createQuery("delete from " + entity.getSimpleName()).executeUpdate();
        utx.commit();
    }

    /**
     * simle list sort by property.
     *
     * @param <T> entity type.
     * @param list base list.
     * @param property sort key property name.
     * @return sorted new list.
     */
    protected <T> List<T> simpleSort(List<T> list, final String property) {
        List<T> result = new ArrayList<T>(list);

        Collections.sort(result, new Comparator<T>() {

            @Override
            public int compare(T o1, T o2) {
                try {
                    Method m = o1.getClass().getMethod("get" + property, null);
                    Comparable value1 = (Comparable) m.invoke(o1, null);
                    Comparable value2 = (Comparable) m.invoke(o2, null);

                    return value1.compareTo(value2);
                } catch (NoSuchMethodException ex) {
                    throw new RuntimeException(ex);
                } catch (SecurityException ex) {
                    throw new RuntimeException(ex);
                } catch (IllegalAccessException ex) {
                    throw new RuntimeException(ex);
                } catch (IllegalArgumentException ex) {
                    throw new RuntimeException(ex);
                } catch (InvocationTargetException ex) {
                    throw new RuntimeException(ex);
                }
            }
        });

        return result;
    }
}

ArticleFacadeTest.java

/*
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 * and open the template in the editor.
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package cn.orz.pascal.blog.dao;

import cn.orz.pascal.blog.entity.Article;
import static org.junit.Assert.*;
import static org.hamcrest.CoreMatchers.*;
import static org.hamcrest.Matchers.greaterThan;
import org.junit.*;
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.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Test;
import org.junit.runner.RunWith;


import javax.ejb.EJB;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.transaction.UserTransaction;


@RunWith(Arquillian.class)
public class ArticleFacadeTest {

    @PersistenceContext
    EntityManager em;
    @Inject
    UserTransaction utx;

    public ArticleFacadeTest() {
    }

    @Deployment
    public static Archive<?> createDeployment() {
        return ShrinkWrap.create(WebArchive.class, "test.war").
                addPackage(Article.class.getPackage()).
                addPackage(ArticleFacade.class.getPackage()).
                addAsResource("META-INF/persistence.xml").
                addAsWebInfResource(EmptyAsset.INSTANCE, "beans.xml");
    }
    @EJB
    ArticleFacade articleFacade;

    @Test
    public void count0_Test() throws Exception {
        assertThat(articleFacade.count(), is(0));
    }
}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>cn.orz.pascal</groupId>
    <artifactId>Blog</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <name>Blog</name>

    <properties>
        <endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.jboss.arquillian</groupId>
                <artifactId>arquillian-bom</artifactId>
                <version>1.0.0.Final</version>
                <scope>import</scope>
                <type>pom</type>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <repositories>
        <repository>
            <id>jboss-deprecated-repository</id>
            <name>JBoss Deprecated Maven Repository</name>
            <url>https://repository.jboss.org/nexus/content/repositories/deprecated/</url>
            <layout>default</layout>
            <releases>
                <enabled>true</enabled>
                <updatePolicy>never</updatePolicy>
            </releases>
            <snapshots>
                <enabled>false</enabled>
                <updatePolicy>never</updatePolicy>
            </snapshots>
        </repository>
        <repository>
            <id>JBOSS_NEXUS</id>
            <url>http://repository.jboss.org/nexus/content/groups/public</url>
        </repository>
        <repository>
            <url>http://download.eclipse.org/rt/eclipselink/maven.repo/</url>
            <id>eclipselink</id>
            <layout>default</layout>
            <name>Repository for library Library[eclipselink]</name>
        </repository>
    </repositories>

    <dependencies>
        <dependency>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>eclipselink</artifactId>
            <version>2.3.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>javax.persistence</artifactId>
            <version>2.0.3</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>org.eclipse.persistence.jpa.modelgen.processor</artifactId>
            <version>2.3.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.glassfish.main.extras</groupId>
            <artifactId>glassfish-embedded-all</artifactId>
            <version>3.1.2</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-web-api</artifactId>
            <version>6.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.hamcrest</groupId>
            <artifactId>hamcrest-all</artifactId>
            <version>1.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.jboss.arquillian.junit</groupId>
            <artifactId>arquillian-junit-container</artifactId>
            <version>1.0.0.Final</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.jboss.arquillian.container</groupId>
            <artifactId>arquillian-glassfish-embedded-3.1</artifactId>
            <version>1.0.0.Final-SNAPSHOT</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                    <compilerArguments>
                        <endorseddirs>${endorsed.dir}</endorseddirs>
                    </compilerArguments>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.1.1</version>
                <configuration>
                    <failOnMissingWebXml>false</failOnMissingWebXml>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <version>2.1</version>
                <executions>
                    <execution>
                        <phase>validate</phase>
                        <goals>
                            <goal>copy</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>${endorsed.dir}</outputDirectory>
                            <silent>true</silent>
                            <artifactItems>
                                <artifactItem>
                                    <groupId>javax</groupId>
                                    <artifactId>javaee-endorsed-api</artifactId>
                                    <version>6.0</version>
                                    <type>jar</type>
                                </artifactItem>
                            </artifactItems>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>