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Couchbase Mock으로 쉽게 테스트하기

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들어가며

  • Couchbase Repository의 Test Code는 적재된 Data에 의존성이 매우 높았습니다.

해당 데이터가 삭제가 된다면..?

  • 해당 Test Code는 언제나 실패할 수 있었습니다.
  • 위와 같은 문제를 해결하기 위해 Couchbase를 Mocking 방법을 기록하기 위해 글을 작성합니다.

How to install? 🧐

  • Maven pom.xml에 추가하기
<!-- https://mvnrepository.com/artifact/com.couchbase.mock/CouchbaseMock -->
<dependency>
    <groupId>com.couchbase.mock</groupId>
    <artifactId>CouchbaseMock</artifactId>
    <version>1.5.19</version>
    <scope>test</scope>
</dependency>

How to use? 🎮

CouchbaseMock을 생성 & 실행합니다.

private void createMock(String name,String password) throws Exception {
        bucketConfiguration.numNodes = 1;
        bucketConfiguration.numReplicas = 1;
        bucketConfiguration.numVBuckets = 1024;
        bucketConfiguration.type = Bucket.BucketType.COUCHBASE;
        bucketConfiguration.name = name;
        bucketConfiguration.password = password;
 
        ArrayList<BucketConfiguration> configList = new ArrayList<BucketConfiguration>();
        configList.add(bucketConfiguration);
 
        couchbaseMock = new CouchbaseMock(0, configList);
        couchbaseMock.start();
        couchbaseMock.waitForStartup();
    }

CouchbaseMock Bucket을 얻습니다.

private void createBucket(@NotNull String bucketName) {
   int httpPort = couchbaseMock.getHttpPort();
   int carrierPort = couchbaseMock.getCarrierPort(bucketName);
   cluster = CouchbaseCluster.create(DefaultCouchbaseEnvironment.builder()
         .bootstrapCarrierDirectPort(carrierPort)
         .bootstrapHttpDirectPort(httpPort)
         .build(), "couchbase://127.0.0.1");
   bucket = cluster.openBucket(bucketName);
}

CouchbaseMock Bucket에 대해 CRUD를 사용하시면 됩니다.

public void test() {
    bucket.upsert(JsonDocument.create("DOCUMENT::123", doc));
}

CouchbaseMock 종료 방법

@After
public void tearDown() {
  if (cluster != null) {  // Close to Cluster
      cluster.disconnect();
   }
   if (couchbaseMock != null) {  // Close to Mock Couchbase
      couchbaseMock.stop();
   }
}

CouchbaseMock에서 제공하는 Test Code

Reference

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