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How to use mocked_doctest_runner method in Pytest

Best Python code snippet using pytest

approx.py

Source:approx.py

...7import pytest8from pytest import approx9inf, nan = float("inf"), float("nan")10@pytest.fixture11def mocked_doctest_runner(monkeypatch):12    import doctest13    class MockedPdb:14        def __init__(self, out):15            pass16        def set_trace(self):17            raise NotImplementedError("not used")18        def reset(self):19            pass20        def set_continue(self):21            pass22    monkeypatch.setattr("doctest._OutputRedirectingPdb", MockedPdb)23    class MyDocTestRunner(doctest.DocTestRunner):24        def report_failure(self, out, test, example, got):25            raise AssertionError(...

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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.