Testing authentication in FastAPI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the FastAPI testing client.

FastAPI

from fastapi.testclient import [1]

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

AClientTest

BFastClient

CTestClient

DTestFastClient

Attempts:

3 left

💡 Hint

Common Mistakes

Using a wrong class name like ClientTest or FastClient.

Trying to import from fastapi.client instead of fastapi.testclient.

The TestClient is the correct class to import for testing FastAPI apps.

2fill in blank

medium

Complete the code to create a test client for the FastAPI app named 'app'.

FastAPI

client = [1](app)

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

ATestClient

BFastClient

CClientTest

DAppClient

Attempts:

3 left

💡 Hint

Common Mistakes

Using a class name that does not exist like FastClient or ClientTest.

Trying to call the app instance instead of the test client class.

You create a test client by calling TestClient with the FastAPI app instance.

3fill in blank

hard

Fix the error in the test function to send a GET request to '/login'.

FastAPI

def test_login():
    response = client.[1]('/login')
    assert response.status_code == 200

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

Aget

Bsend

Cpost

Drequest

Attempts:

3 left

💡 Hint

Common Mistakes

Using post instead of get for a GET route.

Trying to use a method named send or request which do not exist.

The method to send a GET request is get. Using post or others will not match the GET route.

4fill in blank

hard

Fill both blanks to send a POST request with JSON data to '/token'.

FastAPI

def test_token():
    response = client.[1]('/token', json=[2])
    assert response.status_code == 200

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

Apost

B{'username': 'user', 'password': 'pass'}

C{'user': 'user', 'pass': 'pass'}

Dget

Attempts:

3 left

💡 Hint

Common Mistakes

Using GET method instead of POST.

Using wrong keys in the JSON data like 'user' or 'pass'.

To send JSON data in a POST request, use post method and pass the correct dictionary with keys 'username' and 'password'.

5fill in blank

hard

Fill all three blanks to check the token response contains 'access_token' and is a string.

FastAPI

def test_token_response():
    response = client.post('/token', json={'username': 'user', 'password': 'pass'})
    data = response.json()
    assert '[1]' in data
    assert isinstance(data['[2]'], [3])

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

Aaccess_token

Btoken

Cstr

Dint

Attempts:

3 left

💡 Hint

Common Mistakes

Checking for wrong key names like 'token'.

Using int instead of str for the token type.

The response JSON should contain the key 'access_token' and its value should be a string type.