Testing forms and POST data in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to send a POST request with form data using Flask's test client.

Flask

with app.test_client() as client:
    response = client.post('/submit', data=[1])
    assert response.status_code == 200

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

A['name', 'Alice']

B'name=Alice'

CNone

D{'name': 'Alice'}

Attempts:

3 left

💡 Hint

Common Mistakes

Passing a list instead of a dictionary

Passing a string instead of a dictionary

The data parameter expects a dictionary representing form fields and values.

2fill in blank

medium

Complete the code to check the response contains the submitted form value.

Flask

with app.test_client() as client:
    response = client.post('/submit', data={'username': 'bob'})
    assert [1] in response.get_data(as_text=True)

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

A'form'

B'bob'

C'submit'

D'username'

Attempts:

3 left

💡 Hint

Common Mistakes

Checking for the field name instead of the value

Not converting response data to text

We check if the submitted value 'bob' appears in the response text.

3fill in blank

hard

Fix the error in the test code to correctly simulate a form POST with Flask test client.

Flask

response = client.post('/login', [1]='user=admin&pass=1234')

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

Adata

Bjson

Cquery_string

Dheaders

Attempts:

3 left

💡 Hint

Common Mistakes

Using json parameter for form data

Using query_string for POST data

Form data must be sent using the data parameter, not json or others.

4fill in blank

hard

Fill both blanks to send form data and check the response status code.

Flask

with app.test_client() as client:
    response = client.post('/register', data=[1])
    assert response.status_code == [2]

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

A{'email': '[e-mail]'}

B{'email': '[e-mail]'}

C200

D201

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong status code

Passing form data as a string

We send form data as a dictionary and expect HTTP status code 200 for success.

5fill in blank

hard

Fill all three blanks to test a form POST and verify the response contains the submitted username.

Flask

with app.test_client() as client:
    response = client.post('/profile', data=[1])
    content = response.get_data(as_text=True)
    assert [2] in content
    assert response.status_code == [3]

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

A{'username': 'charlie'}

B'charlie'

C200

D404

Attempts:

3 left

💡 Hint

Common Mistakes

Checking for wrong string in response

Expecting wrong status code

We send the username in form data, check that username appears in response text, and expect status 200.