TestRestTemplate for full integration in Spring Boot - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to autowire TestRestTemplate in a Spring Boot test class.

Spring Boot

@Autowired
private [1] restTemplate;

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ATestRestTemplate

BWebClient

CRestTemplate

DHttpClient

Attempts:

3 left

💡 Hint

Common Mistakes

Using RestTemplate instead of TestRestTemplate

Using WebClient which is reactive

Using HttpClient which is not Spring-specific

TestRestTemplate is the correct class to autowire for integration testing in Spring Boot.

2fill in blank

medium

Complete the code to send a GET request to '/api/items' using TestRestTemplate.

Spring Boot

ResponseEntity<String> response = restTemplate.[1]("/api/items");

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AgetForEntity

BpostForEntity

Cexchange

Dput

Attempts:

3 left

💡 Hint

Common Mistakes

Using postForEntity for GET requests

Using put which is for updates

Using exchange without specifying HTTP method

getForEntity sends a GET request and returns a ResponseEntity.

3fill in blank

hard

Fix the error in the assertion to check if the response status is 200 OK.

Spring Boot

assertEquals(HttpStatus.[1], response.getStatusCode());

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ANOT_FOUND

BCREATED

COK

DBAD_REQUEST

Attempts:

3 left

💡 Hint

Common Mistakes

Using NOT_FOUND (404) instead of OK

Using BAD_REQUEST (400)

Using CREATED (201) which is for POST

HttpStatus.OK represents the 200 status code for successful GET requests.

4fill in blank

hard

Fill both blanks to send a POST request with a JSON body and receive a response as a String.

Spring Boot

ResponseEntity<String> response = restTemplate.[1]("/api/items", [2], String.class);

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ApostForEntity

BnewItem

CgetForEntity

DHttpEntity

Attempts:

3 left

💡 Hint

Common Mistakes

Using getForEntity for POST

Trying to use HttpEntity with postForEntity (pass body directly)

Confusing newItem as a method

postForEntity sends a POST request. Pass the request body (newItem) directly as an object or JSON string.

5fill in blank

hard

Fill all three blanks to create a TestRestTemplate with basic authentication and send a GET request.

Spring Boot

TestRestTemplate restTemplate = new TestRestTemplate().withBasicAuth("[1]", "[2]");
ResponseEntity<String> response = restTemplate.[3]("/api/secure");

Drag options to blanks, or click blank then click option'

Auser

Bpassword

CgetForEntity

DpostForEntity

Attempts:

3 left

💡 Hint

Common Mistakes

Using postForEntity for GET requests

Swapping username and password

Leaving authentication blank

Use new TestRestTemplate().withBasicAuth(username, password) for basic auth. getForEntity sends a GET request.