Coverage reporting in Flask - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start coverage measurement in a Flask app test.

Flask

import coverage
cov = coverage.[1]()
cov.start()

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

ACoverage

Bstart

Ccoverage

Drun

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase 'coverage' instead of 'Coverage'

Calling 'start' instead of creating the coverage object

The Coverage() class from the coverage module is used to create a coverage object.

2fill in blank

medium

Complete the code to stop coverage measurement and save the report.

Flask

cov.stop()
cov.[1]()

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

Astart

Breport

Cerase

Dsave

Attempts:

3 left

💡 Hint

Common Mistakes

Calling 'report' instead of 'save' before generating the report

Calling 'start' again instead of saving

After stopping coverage, save() writes the collected data to disk.

3fill in blank

hard

Fix the error in generating an HTML coverage report.

Flask

cov.[1](directory='coverage_html_report')

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

Ahtml_reporter

Bhtml_report

Chtml_reporter_dir

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'html_reporter' or similar incorrect method names

Passing wrong argument names

The correct method to generate an HTML report is html_report().

4fill in blank

hard

Fill both blanks to create a coverage report for specific files and omit tests.

Flask

cov = coverage.Coverage(source=[[1]], omit=[[2]])

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

A'app'

B'tests/*'

C'main.py'

D'docs/*'

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'tests/*' as source instead of omit

Omitting the app folder instead of tests

The source parameter specifies the app folder, and omit excludes test files.

5fill in blank

hard

Fill all three blanks to correctly configure coverage to start, stop, and save in a Flask test setup.

Flask

cov = coverage.[1](branch=True)
cov.[2]()
# run tests
cov.[3]()

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

ACoverage

Bstart

Csave

Dstop

Attempts:

3 left

💡 Hint

Common Mistakes

Calling 'save()' before stopping coverage

Not creating the coverage object properly

Create a coverage object with Coverage(), then start() before tests, and stop() after tests.