Définition d'un configuration de test spécifique pour Mocker le MongoTemplate

MockedMongoConfig.java

@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);

        MongoTemplate mongoTemplate = Mockito.mock(MongoTemplate.class);
        Mockito.when(mongoTemplate.getConverter()).thenReturn(mongoConverter);

        return mongoTemplate;
    }

    @Bean
    public MongoClient mongoClient() {
        MongoClient mongoClient = Mockito.mock(MongoClient.class);
        return mongoClient;
    }
}