test: Presigned Url 생성 테스트 작성 (#209)

* [#208] dependency: testcontainer, localstack 의존성 추가

* [#208] test: PresignedUrlService 테스트 작성

build.gradle

@@ -57,6 +57,12 @@ dependencies {
     testImplementation 'io.rest-assured:rest-assured:5.3.0'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
 
+    // TestContainer
+    testImplementation 'org.testcontainers:junit-jupiter'
+
+    // LocalStack
+    testImplementation 'org.testcontainers:localstack'
+
     testCompileOnly 'org.projectlombok:lombok'
     testAnnotationProcessor 'org.projectlombok:lombok'
 }

src/main/java/com/mallang/common/infra/s3/PresignedUrlService.java

@@ -4,7 +4,6 @@
 import java.util.UUID;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
-import software.amazon.awssdk.services.s3.model.PutObjectRequest;
 import software.amazon.awssdk.services.s3.presigner.S3Presigner;
 import software.amazon.awssdk.services.s3.presigner.model.PresignedPutObjectRequest;
 import software.amazon.awssdk.services.s3.presigner.model.PutObjectPresignRequest;
@@ -29,14 +28,14 @@ private String createImageName(String imageExtension) {
 
     private String createPresignedUrl(String imageName) {
         try (S3Presigner presigner = presignerBuilder.build()) {
-            PutObjectRequest objectRequest = PutObjectRequest.builder()
-                    .bucket(s3Property.bucket())
-                    .key(s3Property.imagePath() + imageName)
-                    .build();
             PutObjectPresignRequest presignRequest = PutObjectPresignRequest.builder()
                     .signatureDuration(Duration.ofMinutes(s3Property.presignedUrlExpiresMinutes()))
-                    .putObjectRequest(objectRequest)
-                    .build();
+                    .putObjectRequest(builder -> builder
+                            .bucket(s3Property.bucket())
+                            .key(s3Property.imagePath() + imageName)
+                            .build()
+                    ).build();
+
             PresignedPutObjectRequest presignedRequest = presigner.presignPutObject(presignRequest);
             return presignedRequest.url().toExternalForm();
         }

src/test/java/com/mallang/common/infra/s3/PresignedUrlServiceTest.java

@@ -0,0 +1,57 @@
+package com.mallang.common.infra.s3;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.DisplayNameGeneration;
+import org.junit.jupiter.api.DisplayNameGenerator.ReplaceUnderscores;
+import org.junit.jupiter.api.Test;
+import org.testcontainers.containers.localstack.LocalStackContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+import org.testcontainers.utility.DockerImageName;
+import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
+import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.presigner.S3Presigner;
+import software.amazon.awssdk.services.s3.presigner.S3Presigner.Builder;
+
+
+@Testcontainers
+@DisplayName("프리사인즈 URL 서비스 (PresignedUrlService) 은(는)")
+@SuppressWarnings("NonAsciiCharacters")
+@DisplayNameGeneration(ReplaceUnderscores.class)
+class PresignedUrlServiceTest {
+
+    @Container
+    public LocalStackContainer localStackContainer = new LocalStackContainer(
+            DockerImageName.parse("localstack/localstack"))
+            .withServices(LocalStackContainer.Service.S3);
+
+    @Test
+    void 이미지_확장자를_받아_이미지_이름을_UUID로_생성_후_프리사인드_URL을_생성하여_반환한다() {
+        // given
+        AwsBasicCredentials awsBasicCredentials = AwsBasicCredentials.create(
+                localStackContainer.getAccessKey(),
+                localStackContainer.getSecretKey()
+        );
+        Builder presignerBuilder = S3Presigner.builder()
+                .credentialsProvider(StaticCredentialsProvider.create(awsBasicCredentials))
+                .region(Region.of(localStackContainer.getRegion()));
+        PresignedUrlService service = new PresignedUrlService(
+                presignerBuilder,
+                new AwsS3Property("mallang-bucket", "images/", 10)
+        );
+
+        // when
+        CreatePresignedUrlResponse response = service.create("img");
+
+        // then
+        assertThat(response.presignedUrl()).contains(
+                "https://mallang-bucket.s3.amazonaws.com/",
+                "images/" + response.imageName(),
+                ".img",
+                "X-Amz-Expires=" + 60 * 10
+        );
+    }
+}