How to use pytest_collection_modifyitems method in Pytest

Best Python code snippet using pytest

implicit_mark.py

Source:implicit_mark.py

...30#-----------------------------------------------------------------------------31def pytest_addoption(parser):32    parser.addini("implicit_marker",33                  "An implicit marker to assign to any test otherwise unmarked")34def pytest_collection_modifyitems(items, config):35    implicit_marker = config.getini("implicit_marker")36    if not implicit_marker:37        return38    markers = []39    for line in config.getini("markers"):40        mark, rest = line.split(":", 1)41        if '(' in mark:42            mark, rest = mark.split("(", 1)43        markers.append(mark)44    all_markers = ' or '.join(markers)45    if not all_markers:46        return47    for item in items:48        if not matchmark(item, all_markers):...

__impl.py

Source:__impl.py

...19    Args:20        config (_pytest.config.Config): current pytest config to modify21    """22    config.option.keepduplicates = True23def pytest_collection_modifyitems(24    session: pytest.Session,25    config: _pytest.config.Config,26    items: List[ExtendedItem],27) -> None:28    """29    pytest_collection_modifyitems hook to drop non-package versions of duplicate30    tests.31    Args:32        session (pytest.Session): current pytest Session33        config (_pytest.config.Config): current pytest Config34        items (List[ExtendedItem]): list of discovered tests35    """36    session = session  # ignore unused var warning37    seen_best_nodes: Dict[str, ExtendedItem] = {}...

__init__.py

Source:__init__.py

1# def pytest_collection_modifyitems(session, config, items) :2#     for item in items:3#         item.name = item.name.encode('utf-8').decode('unicode-escape')4#         item._nodeid = item.nodeid.encode('utf-8').decode('unicode-escape')5import logging6from typing import Tuple, Optional7import pytest8logging.basicConfig(level=logging.INFO,9                    # æ¥å¿æ ¼å¼10                    # æ¶é´ãä»£ç æå¨æä»¶åãä»£ç è¡å·ãæ¥å¿çº§å«ååãæ¥å¿ä¿¡æ¯11                    format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',12                    # æå°æ¥å¿çæ¶é´13                    datefmt='%a, %d %b %Y %H:%M:%S',14                    # æ¥å¿æä»¶åæ¾çç®å½ï¼ç®å½å¿é¡»åå¨ï¼åæ¥å¿æä»¶å15                    filename='report.log',16                    # æå¼æ¥å¿æä»¶çæ¹å¼17                    filemode='w'18                    )19logger = logging.getLogger(__name__)20def pytest_collection_modifyitems(items):21    for item in items:22        item.name = item.name.encode('utf-8').decode('unicode_escape')23        item._nodeid = item._nodeid.encode('utf-8').decode('unicode_escape')24        logger.info(f"item.name : {item.name}")...

test_plugin.py

Source:test_plugin.py

...14    sha1.hexdigest = mock.Mock(side_effect=['1', '2', '3', '4'])15    hashlib.sha1 = mock.Mock(return_value=sha1)16    config = mock.Mock()17    read_circleci_env_variables_mock.return_value = (2, 0)18    pytest_collection_modifyitems('session', config, items)19    config.hook.pytest_deselected.assert_called_with(items=[item1, item3])20@mock.patch('pytest_circleci.plugin.hashlib')21@mock.patch('pytest_circleci.plugin.read_circleci_env_variables')22def test_second_container(read_circleci_env_variables_mock, hashlib):23    item1 = Item()24    item2 = Item()25    item3 = Item()26    item4 = Item()27    items = [item1, item2, item3, item4]28    sha1 = mock.sentinel29    sha1.hexdigest = mock.Mock(side_effect=['1', '2', '3', '4'])30    hashlib.sha1 = mock.Mock(return_value=sha1)31    config = mock.Mock()32    read_circleci_env_variables_mock.return_value = (2, 1)33    pytest_collection_modifyitems('session', config, items)...

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What is pytest
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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.