feat: add integration tests for ApartmentRepository using Testcontainers with MongoDB

backend/pom.xml

@@ -81,6 +81,11 @@
 			<artifactId>spring-security-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.testcontainers</groupId>
+			<artifactId>testcontainers-mongodb</artifactId>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 
 	<build>
@@ -107,6 +112,17 @@
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
 			</plugin>
+			<plugin>
+				<artifactId>maven-failsafe-plugin</artifactId>
+				<executions>
+					<execution>
+						<goals>
+							<goal>integration-test</goal>
+							<goal>verify</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
 			<plugin>
 				<groupId>org.jacoco</groupId>
 				<artifactId>jacoco-maven-plugin</artifactId>

backend/src/test/java/fr/nessar/lmnporganizer/backend/integration/ApartmentPersistenceIT.java

@@ -0,0 +1,70 @@
+package fr.nessar.lmnporganizer.backend.integration;
+
+import fr.nessar.lmnporganizer.backend.model.Apartment;
+import fr.nessar.lmnporganizer.backend.repository.ApartmentRepository;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringBootConfiguration;
+import org.springframework.boot.autoconfigure.AutoConfigurationPackage;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.mongodb.MongoDBContainer;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@SpringBootTest(
+        classes = ApartmentPersistenceIT.MongoTestApplication.class,
+        webEnvironment = SpringBootTest.WebEnvironment.NONE
+)
+class ApartmentPersistenceIT {
+
+    private static final MongoDBContainer mongoDb = startMongoDb();
+
+    @Autowired
+    private ApartmentRepository apartmentRepository;
+
+    @BeforeEach
+    @AfterEach
+    void clearApartments() {
+        apartmentRepository.deleteAll();
+    }
+
+    @DynamicPropertySource
+    static void configureMongoDb(DynamicPropertyRegistry registry) {
+        if (mongoDb != null) {
+            registry.add("spring.mongodb.uri", () -> mongoDb.getConnectionString() + "/lmnp-integration");
+        }
+    }
+
+    @Test
+    void savesAndLoadsAnApartmentWithMongoDB() {
+        Apartment saved = apartmentRepository.save(new Apartment(null, "default-landlord", "Studio République",
+                "12 rue de la République, Lyon", 150000, "Deuxième étage"));
+
+        Apartment apartment = apartmentRepository.findById(saved.getId()).orElseThrow();
+        assertThat(apartment.getBailleurId()).isEqualTo("default-landlord");
+        assertThat(apartment.getAddress()).isEqualTo("12 rue de la République, Lyon");
+    }
+
+    private static MongoDBContainer startMongoDb() {
+        if (System.getenv("SPRING_MONGODB_URI") != null) {
+            return null;
+        }
+
+        MongoDBContainer container = new MongoDBContainer("mongo:8.0");
+        container.start();
+        return container;
+    }
+
+    @SpringBootConfiguration
+    @EnableAutoConfiguration
+    @AutoConfigurationPackage(basePackageClasses = Apartment.class)
+    @EnableMongoRepositories(basePackageClasses = ApartmentRepository.class)
+    static class MongoTestApplication {
+    }
+}