[Solved] You wrote this integration test code: response = requests.get('http://api.example.com/items') assert response.status_code == 200 assert response.... | Rest API

Rest API - API Testing and Monitoring

You wrote this integration test code:

response = requests.get('http://api.example.com/items')
assert response.status_code == 200
assert response.json()['items']

But the test fails with a KeyError on 'items'. What is the likely cause?

AThe URL is incorrect and returns 404

BThe requests library is not imported

CThe status code is not 200

DThe response JSON does not contain the key 'items'

Step-by-Step Solution

Solution:

Step 1: Understand KeyError cause
A KeyError means the key 'items' is missing in the JSON response.
Step 2: Analyze test failure reason
Since status code is asserted as 200, the URL is likely correct and requests imported. The error is missing 'items' key in JSON.
Final Answer:
The response JSON does not contain the key 'items' -> Option D
Quick Check:
KeyError means missing key in JSON [OK]

Quick Trick: KeyError means JSON key missing, not URL or import error [OK]

Common Mistakes:

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You wrote this integration test code: