pytest2/testing/deprecated_test.py

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import os
import sys

import pytest
from _pytest.warnings import SHOW_PYTEST_WARNINGS_ARG

pytestmark = pytest.mark.pytester_example_path("deprecated")


def test_pytest_setup_cfg_unsupported(testdir):
    testdir.makefile(
        ".cfg",
        setup="""
        [pytest]
        addopts = --verbose
    """,
    )
    with pytest.raises(pytest.fail.Exception):
        testdir.runpytest()


def test_pytest_custom_cfg_unsupported(testdir):
    testdir.makefile(
        ".cfg",
        custom="""
        [pytest]
        addopts = --verbose
    """,
    )
    with pytest.raises(pytest.fail.Exception):
        testdir.runpytest("-c", "custom.cfg")


def test_getfuncargvalue_is_deprecated(request):
    pytest.deprecated_call(request.getfuncargvalue, "tmpdir")


@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 5.0*",
            "*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", ["catchlog", "capturelog"])
@pytest.mark.filterwarnings("default")
def test_pytest_catchlog_deprecated(testdir, plugin):
    testdir.makepyfile(
        """
        def test_func(pytestconfig):
            pytestconfig.pluginmanager.register(None, 'pytest_{}')
    """.format(
            plugin
        )
    )
    res = testdir.runpytest()
    assert res.ret == 0
    res.stdout.fnmatch_lines(
        ["*pytest-*log plugin has been merged into the core*", "*1 passed, 1 warnings*"]
    )


def test_raises_message_argument_deprecated():
    with pytest.warns(pytest.PytestDeprecationWarning):
        with pytest.raises(RuntimeError, message="foobar"):
            raise RuntimeError


def test_pytest_plugins_in_non_top_level_conftest_deprecated(testdir):
    from _pytest.deprecated import PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST

    testdir.makepyfile(
        **{
            "subdirectory/conftest.py": """
        pytest_plugins=['capture']
    """
        }
    )
    testdir.makepyfile(
        """
        def test_func():
            pass
    """
    )
    res = testdir.runpytest(SHOW_PYTEST_WARNINGS_ARG)
    assert res.ret == 2
    msg = str(PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST).splitlines()[0]
    res.stdout.fnmatch_lines(
        ["*{msg}*".format(msg=msg), "*subdirectory{sep}conftest.py*".format(sep=os.sep)]
    )


@pytest.mark.parametrize("use_pyargs", [True, False])
def test_pytest_plugins_in_non_top_level_conftest_unsupported_pyargs(
    testdir, use_pyargs
):
    """When using --pyargs, do not emit the warning about non-top-level conftest warnings (#4039, #4044)"""
    from _pytest.deprecated import PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST

    files = {
        "src/pkg/__init__.py": "",
        "src/pkg/conftest.py": "",
        "src/pkg/test_root.py": "def test(): pass",
        "src/pkg/sub/__init__.py": "",
        "src/pkg/sub/conftest.py": "pytest_plugins=['capture']",
        "src/pkg/sub/test_bar.py": "def test(): pass",
    }
    testdir.makepyfile(**files)
    testdir.syspathinsert(testdir.tmpdir.join("src"))

    args = ("--pyargs", "pkg") if use_pyargs else ()
    args += (SHOW_PYTEST_WARNINGS_ARG,)
    res = testdir.runpytest(*args)
    assert res.ret == (0 if use_pyargs else 2)
    msg = str(PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST).splitlines()[0]
    if use_pyargs:
        assert msg not in res.stdout.str()
    else:
        res.stdout.fnmatch_lines("*{msg}*".format(msg=msg))


def test_pytest_plugins_in_non_top_level_conftest_unsupported_no_top_level_conftest(
    testdir
):
    from _pytest.deprecated import PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST

    subdirectory = testdir.tmpdir.join("subdirectory")
    subdirectory.mkdir()
    testdir.makeconftest(
        """
        pytest_plugins=['capture']
    """
    )
    testdir.tmpdir.join("conftest.py").move(subdirectory.join("conftest.py"))

    testdir.makepyfile(
        """
        def test_func():
            pass
    """
    )

    res = testdir.runpytest_subprocess()
    assert res.ret == 2
    msg = str(PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST).splitlines()[0]
    res.stdout.fnmatch_lines(
        ["*{msg}*".format(msg=msg), "*subdirectory{sep}conftest.py*".format(sep=os.sep)]
    )


def test_pytest_plugins_in_non_top_level_conftest_unsupported_no_false_positives(
    testdir
):
    from _pytest.deprecated import PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST

    subdirectory = testdir.tmpdir.join("subdirectory")
    subdirectory.mkdir()
    testdir.makeconftest(
        """
        pass
    """
    )
    testdir.tmpdir.join("conftest.py").move(subdirectory.join("conftest.py"))

    testdir.makeconftest(
        """
        import warnings
        warnings.filterwarnings('always', category=DeprecationWarning)
        pytest_plugins=['capture']
    """
    )
    testdir.makepyfile(
        """
        def test_func():
            pass
    """
    )
    res = testdir.runpytest_subprocess()
    assert res.ret == 0
    msg = str(PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST).splitlines()[0]
    assert msg not in res.stdout.str()


def test_fixture_named_request(testdir):
    testdir.copy_example()
    result = testdir.runpytest()
    result.stdout.fnmatch_lines(
        [
            "*'request' is a reserved name for fixtures and will raise an error in future versions"
        ]
    )


def test_python_deprecation(testdir):
    result = testdir.runpytest()
    python_ver = ".".join(str(x) for x in sys.version_info[:3])
    msg = "You are using Python {}, which will no longer be supported in pytest 5.0".format(
        python_ver
    )
    if sys.version_info[:2] <= (3, 4):
        result.stdout.fnmatch_lines(
            [
                msg,
                "For more information, please read:",
                "  https://docs.pytest.org/en/latest/py27-py34-deprecation.html",
            ]
        )
    else:
        assert msg not in result.stdout.str()