Software Passion Summit 2012 - Testing of Spring

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Testing of Spring
Mattias Severson

Mattias
http://blog.jayway.com/

Agenda

• Basic Spring Testing
• Embedded Database
• Transactions
• Proﬁles
• Controller Test

Bank App

AccountRepository AccountEntity

AccountRepository
AccountService
AccountEntity
ImmutableAccount

AccountRepository
AccountService
BankController
AccountEntity
ImmutableAccount

Basics

jUnit test
public class ExampleTest {
Example example;
@Before
public void setUp() {
example = new ExampleImpl();
}
@Test
...

@Autowired
public class ExampleTest {
@Autowired
Example example;
@Test
public void testDoSomething() {
example.doSomethin...

@ContextConfiguration
@ContextConﬁguration("/application-context.xml")
public class ExampleTest {
@Autowired
Example examp...

@ContextConfiguration
@ContextConﬁguration("classes=TestConﬁg.class")
public class ExampleTest {
@Autowired
Example exampl...

@ContextConfiguration
@ContextConﬁguration("/application-context.xml")
public class ExampleTest {
@Autowired
Example examp...

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

@ContextConfiguration
• Caches ApplicationContext
• unique context conﬁguration
• within the same test suite
• All tests e...

@ContextConfiguration
• @Before / @After
• Mockito.reset(mockObject)
• EasyMock.reset(mockObject)
• @DirtiesContext

Embedded DB
AccountRepository AccountEntity

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

Demo

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

Transactions

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

Tx Annotations
@TransactionConﬁguration
@BeforeTransaction
@AfterTransaction
@Rollback

Demo

Spring Profiles

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

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

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

Demo
AccountRepository
AccountService
AccountEntity
ImmutableAccount

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

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

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

Default profiles
ctx.getEnvironment().setDefaultProﬁles("...");
<beans proﬁle="default">

</beans>
S...

Test Controller
AccountRepository
AccountService
BankController
AccountEntity
ImmutableAccount

Demo

spring-test-mvc

XML config
MockMvc mockMvc = MockMvcBuilders
.xmlConfigSetup("classpath:appContext.xml")
.activateProfiles(...)
.configureWeb...

Java config
MockMvc mockMvc = MockMvcBuilders
.annotationConfigSetup(WebConfig.class)
.activateProfiles(...)
.configureWebAppR...

Manual config
MockMvc mockMvc = MockMvcBuilders
.standaloneSetup(new BankController())
.setMessageConverters(...)
.setVali...

Test
mockMvc.perform(get("/")
.accept(MediaType.APPLICATION_JSON))
.andExpect(response().status().isOk())
.andExpect(respo...

Demo

Integration tests

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

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

Conclusions

• Basic Spring Testing
• Embedded database
• Transactions
• Proﬁles
• Controller Test

Questions?

http://blog.jayway.com/

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