test_ok1/testing/deprecated_test.py

import pytest
from _pytest import deprecated


@pytest.mark.filterwarnings("default")
def test_resultlog_is_deprecated(testdir):
    result = testdir.runpytest("--help")
    result.stdout.fnmatch_lines(["*DEPRECATED path for machine-readable result log*"])

    testdir.makepyfile(
        """
        def test():
            pass
    """
    )
    result = testdir.runpytest("--result-log=%s" % testdir.tmpdir.join("result.log"))
    result.stdout.fnmatch_lines(
        [
            "*--result-log is deprecated and scheduled for removal in pytest 6.0*",
            "*See https://docs.pytest.org/en/latest/deprecations.html#result-log-result-log for more information*",
        ]
    )


def test_terminal_reporter_writer_attr(pytestconfig):
    """Check that TerminalReporter._tw is also available as 'writer' (#2984)
    This attribute is planned to be deprecated in 3.4.
    """
    try:
        import xdist  # noqa

        pytest.skip("xdist workers disable the terminal reporter plugin")
    except ImportError:
        pass
    terminal_reporter = pytestconfig.pluginmanager.get_plugin("terminalreporter")
    assert terminal_reporter.writer is terminal_reporter._tw


@pytest.mark.parametrize("plugin", deprecated.DEPRECATED_EXTERNAL_PLUGINS)
@pytest.mark.filterwarnings("default")
def test_external_plugins_integrated(testdir, plugin):
    testdir.syspathinsert()
    testdir.makepyfile(**{plugin: ""})

    with pytest.warns(pytest.PytestConfigWarning):
        testdir.parseconfig("-p", plugin)