lhauspie

<?xml version="1.0" encoding="UTF-8"?>
<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>com.github.lhauspie</groupId>
	<artifactId>mongodb-junit-demo</artifactId>
	<version>1.0.0-SNAPSHOT</version>
	<packaging>jar</packaging>

lhauspie

public class ProductRepositoryImpl implements ProductCustomRepository {

    public static final String CODE = "code";
    public static final String LABEL = "label";
    public static final String DESCRIPTION = "description";
    public static final String PRICE = "price";

    @Autowired
    private MongoTemplate mongoTemplate;

lhauspie

public interface ProductRepository extends MongoRepository<Product, String>, ProductCustomRepository {
    Product findForUpdateById(String id);
}

lhauspie

public interface ProductCustomRepository {
    Collection<Product> search(SearchQuery query);
}

lhauspie

@SpringBootTest
@RunWith(SpringRunner.class)
public class ProductRepositoryUnitTest {
    @Autowired
    private ProductRepository productRepo;

    @MockBean
    private MongoTemplate mongoTemplate;

    @Test

lhauspie

Caused by: java.lang.NullPointerException
	at org.springframework.data.mongodb.repository.support.MongoRepositoryFactory.<init>(MongoRepositoryFactory.java:73)
	at org.springframework.data.mongodb.repository.support.MongoRepositoryFactoryBean.getFactoryInstance(MongoRepositoryFactoryBean.java:104)
	at org.springframework.data.mongodb.repository.support.MongoRepositoryFactoryBean.createRepositoryFactory(MongoRepositoryFactoryBean.java:88)
	at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:248)
	at org.springframework.data.mongodb.repository.support.MongoRepositoryFactoryBean.afterPropertiesSet(MongoRepositoryFactoryBean.java:117)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
	... 93 more

lhauspie

@SpringBootTest
@RunWith(SpringRunner.class)
public class ProductRepositoryUnitTest {
    @MockBean
    private MongoConverter mongoConverter;
    
    [...]
    
    @Test
    public void searchProductTest() {

lhauspie

@TestConfiguration
public class MockedMongoConfig {

    @Bean
    public MongoTemplate mongoTemplate() {
        MongoMappingContext mappingContext = new MongoMappingContext();

        MongoConverter mongoConverter = Mockito.mock(MongoConverter.class);
        Mockito.when(mongoConverter.getMappingContext()).then(ignoredInvocation -> mappingContext);

lhauspie

@SpringBootTest
@RunWith(SpringRunner.class)
public class ProductRepositoryIntegrationTest {
    @Autowired
    private ProductRepository productRepo;

    @Autowired
    private MongoTemplate mongoTemplate;

    @Test

lhauspie

ava.lang.AssertionError: 
Expected size:<0> but was:<1> in:
<[Product(id=599cb8cde50e2262d67575c1, code=CODE, label=LABEL, description=DESCRIPTION, price=1234.0)]>

	at com.github.lhauspie.mongodb.junit.demo.repository.ProductRepositoryIntegrationTest.searchProductTest(ProductRepositoryIntegrationTest.java:32)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  ...