pytest2/src/_pytest/legacypath.py

348 lines
12 KiB
Python

"""Add backward compatibility support for the legacy py path type."""
import subprocess
from pathlib import Path
from typing import List
from typing import Optional
from typing import TYPE_CHECKING
from typing import Union
import attr
from iniconfig import SectionWrapper
import pytest
from _pytest.compat import final
from _pytest.compat import LEGACY_PATH
from _pytest.compat import legacy_path
from _pytest.deprecated import check_ispytest
if TYPE_CHECKING:
from typing_extensions import Final
import pexpect
@final
class Testdir:
"""
Similar to :class:`Pytester`, but this class works with legacy legacy_path objects instead.
All methods just forward to an internal :class:`Pytester` instance, converting results
to `legacy_path` objects as necessary.
"""
__test__ = False
CLOSE_STDIN: "Final" = pytest.Pytester.CLOSE_STDIN
TimeoutExpired: "Final" = pytest.Pytester.TimeoutExpired
def __init__(self, pytester: pytest.Pytester, *, _ispytest: bool = False) -> None:
check_ispytest(_ispytest)
self._pytester = pytester
@property
def tmpdir(self) -> LEGACY_PATH:
"""Temporary directory where tests are executed."""
return legacy_path(self._pytester.path)
@property
def test_tmproot(self) -> LEGACY_PATH:
return legacy_path(self._pytester._test_tmproot)
@property
def request(self):
return self._pytester._request
@property
def plugins(self):
return self._pytester.plugins
@plugins.setter
def plugins(self, plugins):
self._pytester.plugins = plugins
@property
def monkeypatch(self) -> pytest.MonkeyPatch:
return self._pytester._monkeypatch
def make_hook_recorder(self, pluginmanager) -> pytest.HookRecorder:
"""See :meth:`Pytester.make_hook_recorder`."""
return self._pytester.make_hook_recorder(pluginmanager)
def chdir(self) -> None:
"""See :meth:`Pytester.chdir`."""
return self._pytester.chdir()
def finalize(self) -> None:
"""See :meth:`Pytester._finalize`."""
return self._pytester._finalize()
def makefile(self, ext, *args, **kwargs) -> LEGACY_PATH:
"""See :meth:`Pytester.makefile`."""
if ext and not ext.startswith("."):
# pytester.makefile is going to throw a ValueError in a way that
# testdir.makefile did not, because
# pathlib.Path is stricter suffixes than py.path
# This ext arguments is likely user error, but since testdir has
# allowed this, we will prepend "." as a workaround to avoid breaking
# testdir usage that worked before
ext = "." + ext
return legacy_path(self._pytester.makefile(ext, *args, **kwargs))
def makeconftest(self, source) -> LEGACY_PATH:
"""See :meth:`Pytester.makeconftest`."""
return legacy_path(self._pytester.makeconftest(source))
def makeini(self, source) -> LEGACY_PATH:
"""See :meth:`Pytester.makeini`."""
return legacy_path(self._pytester.makeini(source))
def getinicfg(self, source: str) -> SectionWrapper:
"""See :meth:`Pytester.getinicfg`."""
return self._pytester.getinicfg(source)
def makepyprojecttoml(self, source) -> LEGACY_PATH:
"""See :meth:`Pytester.makepyprojecttoml`."""
return legacy_path(self._pytester.makepyprojecttoml(source))
def makepyfile(self, *args, **kwargs) -> LEGACY_PATH:
"""See :meth:`Pytester.makepyfile`."""
return legacy_path(self._pytester.makepyfile(*args, **kwargs))
def maketxtfile(self, *args, **kwargs) -> LEGACY_PATH:
"""See :meth:`Pytester.maketxtfile`."""
return legacy_path(self._pytester.maketxtfile(*args, **kwargs))
def syspathinsert(self, path=None) -> None:
"""See :meth:`Pytester.syspathinsert`."""
return self._pytester.syspathinsert(path)
def mkdir(self, name) -> LEGACY_PATH:
"""See :meth:`Pytester.mkdir`."""
return legacy_path(self._pytester.mkdir(name))
def mkpydir(self, name) -> LEGACY_PATH:
"""See :meth:`Pytester.mkpydir`."""
return legacy_path(self._pytester.mkpydir(name))
def copy_example(self, name=None) -> LEGACY_PATH:
"""See :meth:`Pytester.copy_example`."""
return legacy_path(self._pytester.copy_example(name))
def getnode(
self, config: pytest.Config, arg
) -> Optional[Union[pytest.Item, pytest.Collector]]:
"""See :meth:`Pytester.getnode`."""
return self._pytester.getnode(config, arg)
def getpathnode(self, path):
"""See :meth:`Pytester.getpathnode`."""
return self._pytester.getpathnode(path)
def genitems(
self, colitems: List[Union[pytest.Item, pytest.Collector]]
) -> List[pytest.Item]:
"""See :meth:`Pytester.genitems`."""
return self._pytester.genitems(colitems)
def runitem(self, source):
"""See :meth:`Pytester.runitem`."""
return self._pytester.runitem(source)
def inline_runsource(self, source, *cmdlineargs):
"""See :meth:`Pytester.inline_runsource`."""
return self._pytester.inline_runsource(source, *cmdlineargs)
def inline_genitems(self, *args):
"""See :meth:`Pytester.inline_genitems`."""
return self._pytester.inline_genitems(*args)
def inline_run(self, *args, plugins=(), no_reraise_ctrlc: bool = False):
"""See :meth:`Pytester.inline_run`."""
return self._pytester.inline_run(
*args, plugins=plugins, no_reraise_ctrlc=no_reraise_ctrlc
)
def runpytest_inprocess(self, *args, **kwargs) -> pytest.RunResult:
"""See :meth:`Pytester.runpytest_inprocess`."""
return self._pytester.runpytest_inprocess(*args, **kwargs)
def runpytest(self, *args, **kwargs) -> pytest.RunResult:
"""See :meth:`Pytester.runpytest`."""
return self._pytester.runpytest(*args, **kwargs)
def parseconfig(self, *args) -> pytest.Config:
"""See :meth:`Pytester.parseconfig`."""
return self._pytester.parseconfig(*args)
def parseconfigure(self, *args) -> pytest.Config:
"""See :meth:`Pytester.parseconfigure`."""
return self._pytester.parseconfigure(*args)
def getitem(self, source, funcname="test_func"):
"""See :meth:`Pytester.getitem`."""
return self._pytester.getitem(source, funcname)
def getitems(self, source):
"""See :meth:`Pytester.getitems`."""
return self._pytester.getitems(source)
def getmodulecol(self, source, configargs=(), withinit=False):
"""See :meth:`Pytester.getmodulecol`."""
return self._pytester.getmodulecol(
source, configargs=configargs, withinit=withinit
)
def collect_by_name(
self, modcol: pytest.Collector, name: str
) -> Optional[Union[pytest.Item, pytest.Collector]]:
"""See :meth:`Pytester.collect_by_name`."""
return self._pytester.collect_by_name(modcol, name)
def popen(
self,
cmdargs,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=CLOSE_STDIN,
**kw,
):
"""See :meth:`Pytester.popen`."""
return self._pytester.popen(cmdargs, stdout, stderr, stdin, **kw)
def run(self, *cmdargs, timeout=None, stdin=CLOSE_STDIN) -> pytest.RunResult:
"""See :meth:`Pytester.run`."""
return self._pytester.run(*cmdargs, timeout=timeout, stdin=stdin)
def runpython(self, script) -> pytest.RunResult:
"""See :meth:`Pytester.runpython`."""
return self._pytester.runpython(script)
def runpython_c(self, command):
"""See :meth:`Pytester.runpython_c`."""
return self._pytester.runpython_c(command)
def runpytest_subprocess(self, *args, timeout=None) -> pytest.RunResult:
"""See :meth:`Pytester.runpytest_subprocess`."""
return self._pytester.runpytest_subprocess(*args, timeout=timeout)
def spawn_pytest(
self, string: str, expect_timeout: float = 10.0
) -> "pexpect.spawn":
"""See :meth:`Pytester.spawn_pytest`."""
return self._pytester.spawn_pytest(string, expect_timeout=expect_timeout)
def spawn(self, cmd: str, expect_timeout: float = 10.0) -> "pexpect.spawn":
"""See :meth:`Pytester.spawn`."""
return self._pytester.spawn(cmd, expect_timeout=expect_timeout)
def __repr__(self) -> str:
return f"<Testdir {self.tmpdir!r}>"
def __str__(self) -> str:
return str(self.tmpdir)
pytest.Testdir = Testdir # type: ignore[attr-defined]
@pytest.fixture
def testdir(pytester: pytest.Pytester) -> Testdir:
"""
Identical to :fixture:`pytester`, and provides an instance whose methods return
legacy ``LEGACY_PATH`` objects instead when applicable.
New code should avoid using :fixture:`testdir` in favor of :fixture:`pytester`.
"""
return Testdir(pytester, _ispytest=True)
@final
@attr.s(init=False, auto_attribs=True)
class TempdirFactory:
"""Backward compatibility wrapper that implements :class:``_pytest.compat.LEGACY_PATH``
for :class:``TempPathFactory``."""
_tmppath_factory: pytest.TempPathFactory
def __init__(
self, tmppath_factory: pytest.TempPathFactory, *, _ispytest: bool = False
) -> None:
check_ispytest(_ispytest)
self._tmppath_factory = tmppath_factory
def mktemp(self, basename: str, numbered: bool = True) -> LEGACY_PATH:
"""Same as :meth:`TempPathFactory.mktemp`, but returns a ``_pytest.compat.LEGACY_PATH`` object."""
return legacy_path(self._tmppath_factory.mktemp(basename, numbered).resolve())
def getbasetemp(self) -> LEGACY_PATH:
"""Backward compat wrapper for ``_tmppath_factory.getbasetemp``."""
return legacy_path(self._tmppath_factory.getbasetemp().resolve())
pytest.TempdirFactory = TempdirFactory # type: ignore[attr-defined]
@pytest.fixture(scope="session")
def tmpdir_factory(request: pytest.FixtureRequest) -> TempdirFactory:
"""Return a :class:`pytest.TempdirFactory` instance for the test session."""
# Set dynamically by pytest_configure().
return request.config._tmpdirhandler # type: ignore
@pytest.fixture
def tmpdir(tmp_path: Path) -> LEGACY_PATH:
"""Return a temporary directory path object which is unique to each test
function invocation, created as a sub directory of the base temporary
directory.
By default, a new base temporary directory is created each test session,
and old bases are removed after 3 sessions, to aid in debugging. If
``--basetemp`` is used then it is cleared each session. See :ref:`base
temporary directory`.
The returned object is a `legacy_path`_ object.
.. _legacy_path: https://py.readthedocs.io/en/latest/path.html
"""
return legacy_path(tmp_path)
def Cache_makedir(self: pytest.Cache, name: str) -> LEGACY_PATH:
"""Return a directory path object with the given name.
Same as :func:`mkdir`, but returns a legacy py path instance.
"""
return legacy_path(self.mkdir(name))
def FixtureRequest_fspath(self: pytest.FixtureRequest) -> LEGACY_PATH:
"""(deprecated) The file system path of the test module which collected this test."""
return legacy_path(self.path)
def pytest_configure(config: pytest.Config) -> None:
mp = pytest.MonkeyPatch()
config.add_cleanup(mp.undo)
# Create TmpdirFactory and attach it to the config object.
#
# This is to comply with existing plugins which expect the handler to be
# available at pytest_configure time, but ideally should be moved entirely
# to the tmpdir_factory session fixture.
try:
tmp_path_factory = config._tmp_path_factory # type: ignore[attr-defined]
except AttributeError:
# tmpdir plugin is blocked.
pass
else:
_tmpdirhandler = TempdirFactory(tmp_path_factory, _ispytest=True)
mp.setattr(config, "_tmpdirhandler", _tmpdirhandler, raising=False)
# Add Cache.makedir().
mp.setattr(pytest.Cache, "makedir", Cache_makedir, raising=False)
# Add FixtureRequest.fspath property.
mp.setattr(
pytest.FixtureRequest, "fspath", property(FixtureRequest_fspath), raising=False
)