Why testing ensures reliability in FastAPI - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the FastAPI class.

FastAPI

from fastapi import [1]
app = [1]()

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

AFastAPI

BRequest

CResponse

DDepends

Attempts:

3 left

💡 Hint

Common Mistakes

Importing Request or Response instead of FastAPI.

We import FastAPI to create the app instance.

2fill in blank

medium

Complete the code to define a GET route that returns 'Hello World'.

FastAPI

@app.[1]("/")
async def read_root():
    return {"message": "Hello World"}

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

Apost

Bput

Cget

Ddelete

Attempts:

3 left

💡 Hint

Common Mistakes

Using post or put instead of get for a simple fetch route.

The get decorator defines a GET HTTP method route.

3fill in blank

hard

Fix the error in the test function to check the response status code.

FastAPI

def test_read_root(client):
    response = client.get("/")
    assert response.[1] == 200

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

Astatus

Bstatus_code

Ccode

Dstatuscode

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'status' or 'code' which do not exist on response.

The correct attribute to check HTTP status is status_code.

4fill in blank

hard

Fill both blanks to create a test client and make a GET request.

FastAPI

from fastapi.testclient import [1]
client = [1](app)
response = client.[2]("/")

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

ATestClient

Bpost

Cget

DClient

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'post' instead of 'get' for a GET request.

TestClient creates the test client, and get makes the GET request.

5fill in blank

hard

Fill all three blanks to write a test that asserts the JSON response message.

FastAPI

def test_read_root_message(client):
    response = client.get("/")
    assert response.json()[[1]] == [2]
    assert response.status_code == [3]

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

A"message"

B"Hello World"

C200

D"status"

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong JSON key or wrong status code.

The JSON key is 'message', the expected value is 'Hello World', and the status code is 200.