SpringOne 2GX 2013 - Spring Testing

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© 2013 SpringOne 2GX. All rights reserved. Do not distribute without permission.
Spring Testing
Mattias Severson

Agenda
• Basic Spring Testing
• Embedded Database
• Transactions
• Proﬁles
• Controller Tests
• Server Integration Tests
2

3
Mattias

Bank App
4

AccountService
BankController
ImmutableAccount
AccountEntityAccountRepository
5
Architecture

Basics
6

jUnit Test
public class AccountServiceTest {
AccountService aService;
@Before
public void setUp() {
aService = new Account...

public class AccountServiceTest {
@Autowired
AccountService aService;
@Test
public void testDoSomething() {
aService.doSom...

@ContextConfiguration("/application-context.xml")
public class AccountServiceTest {
@Autowired
AccountService aService;
@T...

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/application-context.xml")
public class AccountServiceTest ...

• Caches ApplicationContext
–static memory
–unique context configuration
–within the same test suite
• All tests execute i...

• @Before / @After
–Mockito.reset(mockObject)
–EasyMock.reset(mockObject)
• @DirtiesContext
12
Mocked Beans

Embedded DB
13
AccountRepository AccountEntity

XML Config
<jdbc:embedded-database id="dataSource" type="HSQL">
<jdbc:script location="classpath:db-schema.sql"/>
<jdbc:sc...

Java Config
@Configuration
public class EmbeddedDbConfig {
@Bean
public DataSource dataSource() {
return new EmbeddedDatab...

Demo
16

Transactions
17

Tx Test
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/application-context.xml")
public class AccountServ...

Tx Annotations
• @TransactionConﬁguration
• @BeforeTransaction
• @AfterTransaction
• @Rollback
19

Avoid False Positives
• Always flush() before validation!
–JPA
• entityManager.flush();
–Hibernate
• sessionFactory.getCur...

Demo
21

No Transactions?
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("...")
public class AccountRepositoryTest {...

Spring Profiles
23

XML Profiles
<beans ...>
<bean id="dataSource">

</bean>
<bean id="dataSource">
<!-- Production d...

Tests and Profiles
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(“/application-context.xml”)
public class ...

Demo
28
AccountRepository AccountEntity
AccountService ImmutableAccount

web.xml
<web-app ...>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</...

ApplicationContext
AnnotationConfigApplicationContext ctx =
new AnnotationConfigApplicationContext();
ctx.getEnvironment()...

Env Property
System.getProperty(“spring.profiles.active”);
mvn -Dspring.profiles.active=testProfile
31

Default Profiles
ctx.getEnvironment().setDefaultProfiles("...");
System.getProperty("spring.profiles.default");
32
<contex...

Test Controller AccountRepository
AccountService
AccountEntity
ImmutableAccount
BankController
34

Spring MVC Test Framework
• Call Controllers through DispatcherServlet
• MockHttpServletRequest
• MockHttpServletResponse
...

MockMvc
MockMvc mockMvc = MockMvcBuilders
.standaloneSetup(new BankController())
.build();
36
MockMvc mockMvc = MockMvcBui...

Assertions
mockMvc.perform(get("/url")
.accept(MediaType.APPLICATION_XML))
.andExpect(response().status().isOk())
.andExpe...

@WebAppConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/application-context.xml")
@WebAppConf...

Demo
39

Testing Views
• Supported templates
–JSON
–XML
–Velocity
–Thymeleaf
• Except JSP
40

Server Integration Tests
41

appCtx
Spring Integration Test
42
Embedded
DB
txMngr
test
dataSrc

App Server
appCtx
Server Integration Test
43
Embedded
DB
txMngr
test
dataSrc
HTTP

App Server
App Server
44
appCtx
DB
txMngrdataSrc
testAppCtx
dataSrc
test
HTTP

jetty-maven-plugin
<executions>
<execution>
<id>start-jetty</id>
<phase>pre-integration-test</phase>
<goals>
<goal>run</go...

maven-failsafe-plugin
**/IT*.java
**/*IT.java
**/*ITCase.java
46

Test RESTful API
47
• RestTemplate
• Selenium
• HttpClient
• ...

$REST Assured @Test public void shouldGetSingleAccount() { expect(). statusCode(HttpStatus.SC_OK). contentType(ContentType....$

Demo
49

Questions?
50

Learn More. Stay Connected.
Talk to us on Twitter: @springcentral
Find session replays on YouTube: spring.io/video
@mattia...

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