使用Arquillian测试安全的EJB

从历史上讲，很难对安全的EJB进行测试。到目前为止，我一直在使用诸如用Arquillian 在WildFly 8.1.x上测试安全的EJB文章中描述的JBossLoginContextFactory等专有技术来测试安全的EJB。

在本年度Devoxx中， Apache TomEE项目（轻量级Java EE应用程序服务器）的创始人David Blevins为我带来了一个小窍门，我们可以使用该技巧以一种标准方式处理Java EE安全性，该方法可在所有符合Java EE的服务器上运行。

GitHub上的javaee-testing / security提供了本文中使用的示例。

编码

要测试的代码包括一个实体和一个EJB服务，如下所示。

图书实体

@Entity
public class Book {@Id@GeneratedValue(strategy = GenerationType.IDENTITY)private Integer id;private String isbn;private String title;public Book() {}public Book(String isbn, String title) {this.isbn = isbn;this.title = title;}// getters and setters omitted for brevity
}

书架EJB服务

@Stateless
public class BookshelfService {@PersistenceContext(unitName = "bookshelfManager")private EntityManager entityManager;@RolesAllowed({ "User", "Manager" })public void addBook(Book book) {entityManager.persist(book);}@RolesAllowed({ "Manager" })public void deleteBook(Book book) {entityManager.remove(book);}@PermitAll@TransactionAttribute(TransactionAttributeType.SUPPORTS)public List<Book> getBooks() {TypedQuery<Book> query = entityManager.createQuery("SELECT b from Book as b", Book.class);return query.getResultList();}
}

测试类使用Arquillian进行集成测试，并断言尊重我们EJB上定义的安全角色。

书架服务测试

@RunWith(Arquillian.class)
public class BookshelfServiceIT {@Injectprivate BookshelfService bookshelfService;@Injectprivate BookshelfManager manager;@Injectprivate BookshelfUser user;@Deploymentpublic static JavaArchive createDeployment() throws IOException {return ShrinkWrap.create(JavaArchive.class, "javaee-testing-security.jar").addClasses(Book.class, BookshelfService.class, BookshelfManager.class, BookshelfUser.class).addAsManifestResource("META-INF/persistence.xml", "persistence.xml").addAsManifestResource(EmptyAsset.INSTANCE, ArchivePaths.create("beans.xml"));}@Testpublic void testAsManager() throws Exception {manager.call(new Callable<Book>() {@Overridepublic Book call() throws Exception {bookshelfService.addBook(new Book("978-1-4302-4626-8", "Beginning Java EE 7"));bookshelfService.addBook(new Book("978-1-4493-2829-0", "Continuous Enterprise Development in Java"));List<Book> books = bookshelfService.getBooks();Assert.assertEquals("List.size()", 2, books.size());for (Book book : books) {bookshelfService.deleteBook(book);}Assert.assertEquals("BookshelfService.getBooks()", 0, bookshelfService.getBooks().size());return null;}});}@Testpublic void testAsUser() throws Exception {user.call(new Callable<Book>() {@Overridepublic Book call() throws Exception {bookshelfService.addBook(new Book("978-1-4302-4626-8", "Beginning Java EE 7"));bookshelfService.addBook(new Book("978-1-4493-2829-0", "Continuous Enterprise Development in Java"));List<Book> books = bookshelfService.getBooks();Assert.assertEquals("List.size()", 2, books.size());for (Book book : books) {try {bookshelfService.deleteBook(book);Assert.fail("Users should not be allowed to delete");} catch (EJBAccessException e) {// Good, users cannot delete things}}// The list should not be emptyAssert.assertEquals("BookshelfService.getBooks()", 2, bookshelfService.getBooks().size());return null;}});}@Testpublic void testUnauthenticated() throws Exception {try {bookshelfService.addBook(new Book("978-1-4302-4626-8", "Beginning Java EE 7"));Assert.fail("Unauthenticated users should not be able to add books");} catch (EJBAccessException e) {// Good, unauthenticated users cannot add things}try {bookshelfService.deleteBook(null);Assert.fail("Unauthenticated users should not be allowed to delete");} catch (EJBAccessException e) {// Good, unauthenticated users cannot delete things}try {// Read access should be allowedList<Book> books = bookshelfService.getBooks();Assert.assertEquals("BookshelfService.getBooks()", 0, books.size());} catch (EJBAccessException e) {Assert.fail("Read access should be allowed");}}
}

技巧是在两个辅助EJB上，它们通过使用@RunAs标准注释允许我们的测试代码在所需的安全范围内执行。

书架经理角色

@Stateless
@RunAs("Manager")
@PermitAll
public class BookshelfManager {public <V> V call(Callable<V> callable) throws Exception {return callable.call();}
}

书架用户角色

@Stateless
@RunAs("User")
@PermitAll
public class BookshelfUser {public <V> V call(Callable<V> callable) throws Exception {return callable.call();}
}

跑步

-------------------------------------------------------T E S T S
-------------------------------------------------------
Running com.samaxes.javaeetesting.security.BookshelfServiceIT
nov 23, 2014 2:44:48 AM org.xnio.Xnio <clinit>
INFO: XNIO version 3.2.0.Beta4
nov 23, 2014 2:44:48 AM org.xnio.nio.NioXnio <clinit>
INFO: XNIO NIO Implementation Version 3.2.0.Beta4
nov 23, 2014 2:44:49 AM org.jboss.remoting3.EndpointImpl <clinit>
INFO: JBoss Remoting version (unknown)
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 36.69 sec - in com.samaxes.javaeetesting.security.BookshelfServiceITResults :Tests run: 3, Failures: 0, Errors: 0, Skipped: 0

测试愉快！