Parallel execution in CI in Selenium Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to run tests in parallel using pytest.

Selenium Python

pytest.main(['-n', '[1]'])

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

A4

B0

C2

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Using 0 disables parallelism.

Using 1 runs tests sequentially.

Using -n 2 tells pytest to run tests in 2 parallel workers, which enables parallel execution.

2fill in blank

medium

Complete the code to import the pytest-xdist plugin for parallel test execution.

Selenium Python

import [1]

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

Axdist

Bpytest_xdist

Cpytest_parallel

Attempts:

3 left

💡 Hint

Common Mistakes

Misspelling the plugin name.

Importing a non-existent plugin.

The correct plugin for parallel execution is pytest-xdist. Importing xdist ensures pytest can use parallel workers.

3fill in blank

hard

Fix the error in the pytest command to enable parallel execution with 3 workers.

Selenium Python

pytest.main(['-n', '[1]'])

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

A'3'

B3

C'three'

DNone

Attempts:

3 left

💡 Hint

Common Mistakes

Passing an integer instead of a string.

Using words like 'three' instead of digits.

The -n option expects a string number, so '3' is correct. Passing an integer or words causes errors.

4fill in blank

hard

Fill both blanks to create a pytest fixture that runs setup and teardown for each test in parallel.

Selenium Python

@pytest.fixture(scope=[1])
def setup_teardown():
    print('Setup')
    yield
    print('Teardown')

# Use fixture in test
def test_example(setup_teardown):
    assert 1 == 1

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

A'session'

B'function'

C'module'

D'class'

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'session' scope causes shared state across tests.

Using 'module' or 'class' scope may cause conflicts in parallel runs.

Using scope='function' runs the fixture setup and teardown for each test function, which works well with parallel tests.

5fill in blank

hard

Fill all three blanks to define a pytest command line option to control parallel workers with a default of 2.

Selenium Python

def pytest_addoption(parser):
    parser.addoption(
        '--workers',
        action='store',
        default=[1],
        help='Number of parallel workers'
    )

def pytest_configure(config):
    workers = config.getoption('[2]')
    pytest.main(['-n', [3]])

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

A'2'

B'workers'

Cworkers

D'-n'

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the option name instead of the variable to pytest.main.

Using integer instead of string for default.

Using wrong option name in getoption.

The default number of workers is set as string '2'. The option name is 'workers'. The variable workers is passed to pytest.main to run tests in parallel.