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implement demo code for how-to-mock-aws-s3-integration-tests

This commit is contained in:
vlad fernoaga 2024-02-19 15:22:17 +02:00
parent 72cd365b26
commit c977f8f738
3 changed files with 175 additions and 0 deletions
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28
aws-modules/aws-s3/pom.xml
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@ -20,6 +20,12 @@
<artifactId>s3</artifactId>
<version>${aws.java.sdk.version}</version>
</dependency>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>url-connection-client</artifactId>
<version>${aws.java.sdk.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-io</groupId>
@ -37,12 +43,34 @@
<artifactId>commons-codec</artifactId>
<version>${commons-codec-version}</version>
</dependency>
<!-- adobe s3mock -->
<dependency>
<groupId>com.adobe.testing</groupId>
<artifactId>s3mock</artifactId>
<version>${com.adobe.testing.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.adobe.testing</groupId>
<artifactId>s3mock-testcontainers</artifactId>
<version>${com.adobe.testing.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.testcontainers</groupId>
<artifactId>junit-jupiter</artifactId>
<version>${org.testcontainers.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<aws.java.sdk.version>2.20.52</aws.java.sdk.version>
<commons-codec-version>1.10.L001</commons-codec-version>
<jets3t-version>0.9.4.0006L</jets3t-version>
<com.adobe.testing.version>3.3.0</com.adobe.testing.version>
<org.testcontainers.version>1.19.4</org.testcontainers.version>
</properties>
</project>

65
aws-modules/aws-s3/src/main/java/com/baeldung/s3/S3CrudService.java Normal file
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@ -0,0 +1,65 @@
package com.baeldung.s3;
import java.util.Optional;
import software.amazon.awssdk.core.ResponseBytes;
import software.amazon.awssdk.core.sync.RequestBody;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.CreateBucketRequest;
import software.amazon.awssdk.services.s3.model.DeleteObjectRequest;
import software.amazon.awssdk.services.s3.model.GetObjectRequest;
import software.amazon.awssdk.services.s3.model.GetObjectResponse;
import software.amazon.awssdk.services.s3.model.PutObjectRequest;
import software.amazon.awssdk.services.s3.model.S3Exception;
public class S3CrudService {
private final S3Client s3Client;
public S3CrudService(S3Client s3Client) {
this.s3Client = s3Client;
}
public void createBucket(String bucketName) {
CreateBucketRequest bucketRequest = CreateBucketRequest.builder()
.bucket(bucketName)
.build();
s3Client.createBucket(bucketRequest);
}
public void createObject(String bucketName, File inMemoryObject) {
PutObjectRequest request = PutObjectRequest.builder()
.bucket(bucketName)
.key(inMemoryObject.getName())
.build();
s3Client.putObject(request, RequestBody.fromByteBuffer(inMemoryObject.getContent()));
}
public Optional<byte[]> getObject(String bucketName, String objectKey) {
try {
GetObjectRequest getObjectRequest = GetObjectRequest.builder()
.bucket(bucketName)
.key(objectKey)
.build();
ResponseBytes<GetObjectResponse> responseResponseBytes = s3Client.getObjectAsBytes(getObjectRequest);
return Optional.of(responseResponseBytes.asByteArray());
} catch (S3Exception e) {
return Optional.empty();
}
}
public boolean deleteObject(String bucketName, String objectKey) {
try {
DeleteObjectRequest deleteObjectRequest = DeleteObjectRequest.builder()
.bucket(bucketName)
.key(objectKey)
.build();
s3Client.deleteObject(deleteObjectRequest);
return true;
} catch (S3Exception e) {
return false;
}
}
}

82
aws-modules/aws-s3/src/test/java/com/baeldung/s3/S3CrudServiceIntegrationTest.java Normal file
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@ -0,0 +1,82 @@
package com.baeldung.s3;
import static org.assertj.core.api.Assertions.assertThat;
import static software.amazon.awssdk.http.SdkHttpConfigurationOption.TRUST_ALL_CERTIFICATES;
import java.net.URI;
import java.util.Arrays;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.testcontainers.junit.jupiter.Container;
import org.testcontainers.junit.jupiter.Testcontainers;
import com.adobe.testing.s3mock.testcontainers.S3MockContainer;
import software.amazon.awssdk.http.urlconnection.UrlConnectionHttpClient;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.S3Configuration;
import software.amazon.awssdk.utils.AttributeMap;
// This live test needs a running Docker instance so that a S3Mock Container can be started
@Testcontainers
public class S3CrudServiceIntegrationTest {
private static final String TEST_BUCKET_NAME = "test-bucket";
@Container
private final S3MockContainer s3Mock = new S3MockContainer("latest");
private S3Client s3Client;
@BeforeEach
void setUp() {
var endpoint = s3Mock.getHttpsEndpoint();
var serviceConfig = S3Configuration.builder()
.pathStyleAccessEnabled(true)
.build();
var httpClient = UrlConnectionHttpClient.builder()
.buildWithDefaults(AttributeMap.builder()
.put(TRUST_ALL_CERTIFICATES, Boolean.TRUE)
.build());
s3Client = S3Client.builder()
.endpointOverride(URI.create(endpoint))
.serviceConfiguration(serviceConfig)
.httpClient(httpClient)
.build();
}
@Test
void whenVerifyingCreationOfS3Bucket_thenCorrect() {
var s3CrudService = new S3CrudService(s3Client);
s3CrudService.createBucket(TEST_BUCKET_NAME);
var createdBucketName = s3Client.listBuckets()
.buckets()
.get(0)
.name();
assertThat(TEST_BUCKET_NAME).isEqualTo(createdBucketName);
}
@Test
void whenCreatingAnObjectOnS3Bucket_thenSameObjectIsRetrived() {
var s3CrudService = new S3CrudService(s3Client);
s3CrudService.createBucket(TEST_BUCKET_NAME);
var fileToSave = FileGenerator.generateFiles(1, 100)
.get(0);
s3CrudService.createObject(TEST_BUCKET_NAME, fileToSave);
var savedFileContent = s3CrudService.getObject(TEST_BUCKET_NAME, fileToSave.getName());
assertThat(Arrays.equals(fileToSave.getContent()
.array(), savedFileContent.orElse(new byte[]{}))).isTrue();
s3CrudService.deleteObject(TEST_BUCKET_NAME,fileToSave.getName());
var deletedFileContent = s3CrudService.getObject(TEST_BUCKET_NAME, fileToSave.getName());
assertThat(deletedFileContent).isEmpty();
}
}