Spring Boot 1.5.4: exclude configuration class in unit test

Question

I have a Spring Boot project, version 1.5.4, with a MongoDb configuration class:

@Configuration
public class MongoConfig {

@Value("${spring.data.mongo.client.uri:mongodb://localhost:27017/database}")
private String mongoURI;

@Bean
public MongoDbFactory mongoFactory() throws UnknownHostException{
    return new SimpleMongoDbFactory(new MongoClientURI(mongoURI));
}

@Bean
public MongoTemplate mongoTemplate() throws UnknownHostException, MongoException{
    return new MongoTemplate(mongoFactory());
}
}

In my integration test i want use Embedded Mongo (https://github.com/flapdoodle-oss/de.flapdoodle.embed.mongo).

The problem is that the MongoDb configuration class start before the initialitation of Embedded mongo and try to connect to the database, so my test fail. If i remove the MongoConfig class, all test work well.

How can i exclude it only in my test execution?

I know this is not what your question is about, but take a look at testContainers : testcontainers.org it is the solution i use for my test (mainly integration testing) , a tiny tutorial here : areguig.github.io/… — Akli REGUIG
– Akli REGUIG, Commented Oct 10, 2017 at 8:10

Varunteja · Accepted Answer · 2020-05-20 17:52:11Z

2

Exclude the MongoDB autoconfiguration by using below annotation over your test class.

@EnableAutoConfiguration(exclude={MongoAutoConfiguration.class, MongoDataAutoConfiguration.class})

Then in the same path as your test class create a configuration class and define your mongo bean over there. This will get picked up during application start up

**@Configuration
public class MockConfigurations {
@Bean
@Primary
public MongoTemplate getMongoTemplate() {
//define your bean
return mongoTemplate;
}
}**

answered May 20, 2020 at 17:52

Varunteja

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Comments

zeagord · Accepted Answer · 2017-10-10 12:56:09Z

1

Please refer the answers here. It has two ways of excluding configurations.

Spring boot: apply @Configuration to certain package only

Update 1:

Alternatively, the most efficient way that I can think of is to use Spring profiles and load the profile for the tests

Define your TestConfiguration class and import it your test class.

@RunWith(SpringRunner.class)
@SpringBootTest
@Import(MyTestConfiguration.class)
public class MyTests {

    @Test
    public void exampleTest() {
        ...
    }

}

https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-testing.html#boot-features-testing-spring-boot-applications-detecting-config

Update 2: For EmbeddedMongoAutoConfiguration please refer the detailed answers here.

How do you configure Embedded MongDB for integration testing in a Spring Boot application?

edited Oct 10, 2017 at 12:56

answered Oct 10, 2017 at 7:49

zeagord

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3 Comments

sintetico82 Over a year ago

I don't want change my main Application class just for the unit test.

sintetico82 Over a year ago

@Import(MyTestsConfiguration.class) is good solution, but i found a system that just avoid load useless class for my test.

sintetico82 Over a year ago

The proble is that i don't know how to be my MyTestsConfiguration.class, becouse i want activate the EmbeddedMongoAutoConfiguration.class

sintetico82 · Accepted Answer · 2017-10-10 08:54:30Z

0

I solved it with this configuration on my test class:

@RunWith(SpringRunner.class)
@ComponentScan({"it.app.server.dal","it.app.server.listener"})
@DataMongoTest() //mongoDB
public class ListenerTests {
   ...
}

The annotation @DataMongoTest() load my Embbedded MongoDb and with @ComponentScan i can just load the services and repositories wich i need in my test.

answered Oct 10, 2017 at 8:54

sintetico82

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1 Comment

sintetico82 Over a year ago

This solution doesn't work if i want test a Controller that access to mongodb.

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