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How to use pytest_cmdline_preparse method in Pytest

Best Python code snippet using pytest

plugin.py

Source:plugin.py

1from pathlib import PurePath2import pytest3from .logger import Logger4def pytest_cmdline_preparse(config, args):5    if [x for x in args if x.startswith('--html')]:6        style_path = PurePath(config.rootdir) / 'model/helpers/style.css'7        args.append(f'--css={style_path}')8@pytest.mark.optionalhook9def pytest_html_results_table_header(cells):10    cells.pop()11@pytest.mark.optionalhook12def pytest_html_results_table_row(report, cells):13    cells.pop()14@pytest.mark.optionalhook15def pytest_html_results_table_html(report, data):16    if report.passed:17        del data[-1]18@pytest.mark.hookwrapper...

vulture_whitelist.py

Source:vulture_whitelist.py

1"""Vulture whitelist to avoid false positives."""2class Whitelist:3    """Helper class that allows mocking Python objects."""4    def __getattr__(self, _):5        """Mocking magic method __getattr__."""6        pass7whitelist_logging = Whitelist()8whitelist_logging.raiseExceptions9whitelist_cli = Whitelist()10whitelist_cli.run.h11whitelist_Config = Whitelist()  # noqa: N81612whitelist_Config.__new__13whitelist_transports_clustershell = Whitelist()14whitelist_transports_clustershell.BaseEventHandler.kwargs15whitelist_backends_openstack = Whitelist()16whitelist_backends_openstack.TestOpenStackQuery.test_execute_all.nova_client.return_value.servers.list.side_effect17whitelist_tests_integration_conftest = Whitelist()18whitelist_tests_integration_conftest.pytest_cmdline_preparse19whitelist_tests_integration_conftest.pytest_runtest_makereport20whitelist_tests_integration_test_cli_TestCLI = Whitelist()  # noqa: N816...

conftest.py

Source:conftest.py

2import os3import pytest4# #}5# {# pkglts, test.pytest_cmdline_preparse6def pytest_cmdline_preparse(args):7    pass8# #}9# {# pkglts, test.pytest_addoption10def pytest_addoption(parser):11    parser.addoption("--runslow", action="store_true",12                     default=False, help="run slow tests")13# #}14# {# pkglts, test.pytest_collection15def pytest_collection_modifyitems(config, items):16    if not config.getoption("--runslow"):  # skip slow tests17        skip_slow = pytest.mark.skip(reason="need --runslow option to run")18        for item in items:19            if "slow" in item.keywords:20                item.add_marker(skip_slow)...

test_hookspec_generator.py

Source:test_hookspec_generator.py

1import pytest2import _pytest.hookspec3from doc_pytest_flow_chart import hookspec_generator4def test_hookspec(monkeypatch):5    def pytest_cmdline_preparse(6        plugin: "_PluggyPlugin", manager: "PytestPluginManager"7    ) -> None:8        pass9    monkeypatch.setattr(10        _pytest.hookspec, "pytest_cmdline_preparse", pytest_cmdline_preparse11    )12    assert (13        "def pytest_cmdline_preparse(plugin, manager)"14        in hookspec_generator.get_conftest_file()...

Pytest Tutorial

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Chapters

What is pytest
Pytest installation: Want to start pytest from scratch? See how to install and configure pytest for Python automation testing.
Run first test with pytest framework: Follow this step-by-step tutorial to write and run your first pytest script.
Parallel testing with pytest: A hands-on guide to parallel testing with pytest to improve the scalability of your test automation.
Generate pytest reports: Reports make it easier to understand the results of pytest-based test runs. Learn how to generate pytest reports.
Pytest Parameterized tests: Create and run your pytest scripts while avoiding code duplication and increasing test coverage with parameterization.
Pytest Fixtures: Check out how to implement pytest fixtures for your end-to-end testing needs.
Execute Multiple Test Cases: Explore different scenarios for running multiple test cases in pytest from a single file.
Stop Test Suite after N Test Failures: See how to stop your test suite after n test failures in pytest using the @pytest.mark.incremental decorator and maxfail command-line option.