[chore] : 테스트 환경 세팅 (#7)

* [chore] : 테스트 관련 의존성 추가

* [test] : 테스트 컨테이너 설정 파일 추가

* [test] : repository 테스트용 추상 클래스 추가

* [test] : controller 통합 테스트용 추상클래스 추가

* [rename] : test support 클래스들 파일 경로 수정

* [test] : testFixture 디렉토리 추가

* [chore] : 빌드를 위한 dockerfile 추가

Dockerfile

@@ -0,0 +1,4 @@
+FROM openjdk:17-jdk
+ARG JAR_FILE=build/libs/*.jar
+COPY ${JAR_FILE} app.jar
+ENTRYPOINT ["java", "-jar", "app.jar"]

build.gradle

@@ -29,9 +29,24 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-oauth2-client'
     implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'org.springframework.boot:spring-boot-starter-web'
-    compileOnly 'org.projectlombok:lombok'
+
     runtimeOnly 'com.mysql:mysql-connector-j'
+
+    // lombok 설정
+    compileOnly 'org.projectlombok:lombok'
     annotationProcessor 'org.projectlombok:lombok'
+    testCompileOnly 'org.projectlombok:lombok:1.18.22'
+    testAnnotationProcessor 'org.projectlombok:lombok:1.18.22'
+
+    // JUnit
+    testImplementation "org.junit.jupiter:junit-jupiter:5.8.1"
+
+    // TestContainer
+    testImplementation "org.testcontainers:testcontainers:1.19.5"
+    testImplementation "org.testcontainers:junit-jupiter:1.19.5"
+    // mysql 컨테이너
+    testImplementation "org.testcontainers:mysql:1.19.2"
+
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testImplementation 'org.springframework.security:spring-security-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'

src/test/java/com/dnd/gongmuin/common/fixture/QuestionPostFixture.java

@@ -0,0 +1,9 @@
+package com.dnd.gongmuin.common.fixture;
+
+import static lombok.AccessLevel.*;
+
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor(access = PRIVATE)
+public class QuestionPostFixture {
+}

src/test/java/com/dnd/gongmuin/common/support/ApiTestSupport.java

@@ -0,0 +1,26 @@
+package com.dnd.gongmuin.common.support;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+// 컨트롤러 단 통합테스트용
+@SpringBootTest
+@AutoConfigureMockMvc
+public abstract class ApiTestSupport extends TestContainerSupport {
+
+	@Autowired
+	protected MockMvc mockMvc;
+
+	@Autowired
+	protected ObjectMapper objectMapper;
+
+	protected String toJson(Object object) throws JsonProcessingException {
+		return objectMapper.writeValueAsString(object);
+	}
+
+}

src/test/java/com/dnd/gongmuin/common/support/DataJpaTestSupport.java

@@ -0,0 +1,14 @@
+package com.dnd.gongmuin.common.support;
+
+import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.context.annotation.Import;
+
+import com.dnd.gongmuin.config.TestAuditingConfig;
+
+//repository용
+@DataJpaTest
+@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
+@Import(TestAuditingConfig.class)
+public abstract class DataJpaTestSupport extends TestContainerSupport {
+}

src/test/java/com/dnd/gongmuin/common/support/TestContainerSupport.java

@@ -0,0 +1,51 @@
+package com.dnd.gongmuin.common.support;
+
+import static lombok.AccessLevel.*;
+
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.containers.JdbcDatabaseContainer;
+import org.testcontainers.containers.MySQLContainer;
+import org.testcontainers.utility.DockerImageName;
+
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor(access = PROTECTED)
+public abstract class TestContainerSupport {
+
+	private static final String MYSQL_IMAGE = "mysql:8";
+	private static final String REDIS_IMAGE = "redis:latest";
+	private static final int MYSQL_PORT = 3306;
+	private static final int REDIS_PORT = 6379;
+	private static final JdbcDatabaseContainer<?> MYSQL;
+	private static final GenericContainer<?> REDIS;
+
+	// 싱글톤
+	static {
+		MYSQL = new MySQLContainer<>(MYSQL_IMAGE)
+			.withExposedPorts(MYSQL_PORT)
+			.withReuse(true);
+
+		REDIS = new GenericContainer<>(DockerImageName.parse(REDIS_IMAGE))
+			.withExposedPorts(REDIS_PORT)
+			.withReuse(true);
+
+		MYSQL.start();
+		REDIS.start();
+	}
+
+	// 동적으로 DB 속성 할당
+	@DynamicPropertySource
+	public static void setUp(DynamicPropertyRegistry registry) {
+		registry.add("spring.data.redis.host", REDIS::getHost);
+		registry.add("spring.data.redis.port", ()
+			-> String.valueOf(REDIS.getMappedPort(REDIS_PORT)));
+
+		registry.add("spring.datasource.driver-class-name", MYSQL::getDriverClassName);
+		registry.add("spring.datasource.url", MYSQL::getJdbcUrl);
+		registry.add("spring.datasource.username", MYSQL::getUsername);
+		registry.add("spring.datasource.password", MYSQL::getPassword);
+	}
+
+}

src/test/java/com/dnd/gongmuin/config/TestAuditingConfig.java

@@ -0,0 +1,9 @@
+package com.dnd.gongmuin.config;
+
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@TestConfiguration
+@EnableJpaAuditing
+public class TestAuditingConfig {
+}