[Solved] Given this test code snippet for a REST API endpoint:response = client.get('/users/123') assert response.status_code == 200 assert 'id' in response.json() assert response.... | Rest API

Rest API - API Testing and Monitoring

Given this test code snippet for a REST API endpoint:

response = client.get('/users/123')
assert response.status_code == 200
assert 'id' in response.json()
assert response.json()['id'] == 123

What does this test validate about the API contract?

AThe API returns status 200 and correct user id in JSON response.

BThe API returns status 404 for missing users.

CThe API accepts POST requests at /users/123.

DThe API returns an empty JSON response.

Step-by-Step Solution

Solution:

Step 1: Analyze the test assertions
The test checks that the response status code is 200 and the JSON response contains an 'id' key equal to 123.
Step 2: Understand what this means for the API contract
This confirms the API returns successful status and correct user data as per contract.
Final Answer:
The API returns status 200 and correct user id in JSON response. -> Option A
Quick Check:
Test checks status 200 and user id = 123 [OK]

Quick Trick: Check status and key-value in JSON to validate contract [OK]

Common Mistakes:

MISTAKES

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