578 lines
20 KiB
Python
578 lines
20 KiB
Python
import os.path
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import pickle
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import sys
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import unittest.mock
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from pathlib import Path
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from textwrap import dedent
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from types import ModuleType
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from typing import Any
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from typing import Generator
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import pytest
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from _pytest.monkeypatch import MonkeyPatch
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from _pytest.pathlib import bestrelpath
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from _pytest.pathlib import commonpath
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from _pytest.pathlib import ensure_deletable
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from _pytest.pathlib import fnmatch_ex
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from _pytest.pathlib import get_extended_length_path_str
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from _pytest.pathlib import get_lock_path
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from _pytest.pathlib import import_path
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from _pytest.pathlib import ImportPathMismatchError
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from _pytest.pathlib import insert_missing_modules
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from _pytest.pathlib import maybe_delete_a_numbered_dir
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from _pytest.pathlib import module_name_from_path
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from _pytest.pathlib import resolve_package_path
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from _pytest.pathlib import symlink_or_skip
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from _pytest.pathlib import visit
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from _pytest.tmpdir import TempPathFactory
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class TestFNMatcherPort:
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"""Test our port of py.common.FNMatcher (fnmatch_ex)."""
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if sys.platform == "win32":
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drv1 = "c:"
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drv2 = "d:"
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else:
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drv1 = "/c"
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drv2 = "/d"
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@pytest.mark.parametrize(
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"pattern, path",
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[
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("*.py", "foo.py"),
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("*.py", "bar/foo.py"),
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("test_*.py", "foo/test_foo.py"),
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("tests/*.py", "tests/foo.py"),
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(f"{drv1}/*.py", f"{drv1}/foo.py"),
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(f"{drv1}/foo/*.py", f"{drv1}/foo/foo.py"),
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("tests/**/test*.py", "tests/foo/test_foo.py"),
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("tests/**/doc/test*.py", "tests/foo/bar/doc/test_foo.py"),
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("tests/**/doc/**/test*.py", "tests/foo/doc/bar/test_foo.py"),
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],
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)
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def test_matching(self, pattern: str, path: str) -> None:
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assert fnmatch_ex(pattern, path)
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def test_matching_abspath(self) -> None:
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abspath = os.path.abspath(os.path.join("tests/foo.py"))
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assert fnmatch_ex("tests/foo.py", abspath)
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@pytest.mark.parametrize(
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"pattern, path",
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[
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("*.py", "foo.pyc"),
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("*.py", "foo/foo.pyc"),
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("tests/*.py", "foo/foo.py"),
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(f"{drv1}/*.py", f"{drv2}/foo.py"),
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(f"{drv1}/foo/*.py", f"{drv2}/foo/foo.py"),
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("tests/**/test*.py", "tests/foo.py"),
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("tests/**/test*.py", "foo/test_foo.py"),
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("tests/**/doc/test*.py", "tests/foo/bar/doc/foo.py"),
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("tests/**/doc/test*.py", "tests/foo/bar/test_foo.py"),
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],
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)
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def test_not_matching(self, pattern: str, path: str) -> None:
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assert not fnmatch_ex(pattern, path)
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class TestImportPath:
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"""
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Most of the tests here were copied from py lib's tests for "py.local.path.pyimport".
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Having our own pyimport-like function is inline with removing py.path dependency in the future.
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"""
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@pytest.fixture(scope="session")
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def path1(self, tmp_path_factory: TempPathFactory) -> Generator[Path, None, None]:
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path = tmp_path_factory.mktemp("path")
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self.setuptestfs(path)
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yield path
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assert path.joinpath("samplefile").exists()
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def setuptestfs(self, path: Path) -> None:
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# print "setting up test fs for", repr(path)
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samplefile = path / "samplefile"
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samplefile.write_text("samplefile\n")
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execfile = path / "execfile"
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execfile.write_text("x=42")
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execfilepy = path / "execfile.py"
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execfilepy.write_text("x=42")
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d = {1: 2, "hello": "world", "answer": 42}
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path.joinpath("samplepickle").write_bytes(pickle.dumps(d, 1))
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sampledir = path / "sampledir"
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sampledir.mkdir()
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sampledir.joinpath("otherfile").touch()
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otherdir = path / "otherdir"
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otherdir.mkdir()
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otherdir.joinpath("__init__.py").touch()
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module_a = otherdir / "a.py"
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module_a.write_text("from .b import stuff as result\n")
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module_b = otherdir / "b.py"
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module_b.write_text('stuff="got it"\n')
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module_c = otherdir / "c.py"
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module_c.write_text(
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dedent(
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"""
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import pluggy;
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import otherdir.a
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value = otherdir.a.result
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"""
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)
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)
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module_d = otherdir / "d.py"
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module_d.write_text(
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dedent(
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"""
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import pluggy;
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from otherdir import a
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value2 = a.result
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"""
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)
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)
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def test_smoke_test(self, path1: Path) -> None:
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obj = import_path(path1 / "execfile.py", root=path1)
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assert obj.x == 42 # type: ignore[attr-defined]
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assert obj.__name__ == "execfile"
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def test_import_path_missing_file(self, path1: Path) -> None:
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with pytest.raises(ImportPathMismatchError):
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import_path(path1 / "sampledir", root=path1)
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def test_renamed_dir_creates_mismatch(
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self, tmp_path: Path, monkeypatch: MonkeyPatch
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) -> None:
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tmp_path.joinpath("a").mkdir()
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p = tmp_path.joinpath("a", "test_x123.py")
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p.touch()
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import_path(p, root=tmp_path)
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tmp_path.joinpath("a").rename(tmp_path.joinpath("b"))
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with pytest.raises(ImportPathMismatchError):
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import_path(tmp_path.joinpath("b", "test_x123.py"), root=tmp_path)
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# Errors can be ignored.
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monkeypatch.setenv("PY_IGNORE_IMPORTMISMATCH", "1")
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import_path(tmp_path.joinpath("b", "test_x123.py"), root=tmp_path)
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# PY_IGNORE_IMPORTMISMATCH=0 does not ignore error.
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monkeypatch.setenv("PY_IGNORE_IMPORTMISMATCH", "0")
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with pytest.raises(ImportPathMismatchError):
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import_path(tmp_path.joinpath("b", "test_x123.py"), root=tmp_path)
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def test_messy_name(self, tmp_path: Path) -> None:
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# https://bitbucket.org/hpk42/py-trunk/issue/129
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path = tmp_path / "foo__init__.py"
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path.touch()
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module = import_path(path, root=tmp_path)
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assert module.__name__ == "foo__init__"
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def test_dir(self, tmp_path: Path) -> None:
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p = tmp_path / "hello_123"
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p.mkdir()
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p_init = p / "__init__.py"
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p_init.touch()
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m = import_path(p, root=tmp_path)
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assert m.__name__ == "hello_123"
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m = import_path(p_init, root=tmp_path)
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assert m.__name__ == "hello_123"
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def test_a(self, path1: Path) -> None:
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otherdir = path1 / "otherdir"
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mod = import_path(otherdir / "a.py", root=path1)
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assert mod.result == "got it" # type: ignore[attr-defined]
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assert mod.__name__ == "otherdir.a"
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def test_b(self, path1: Path) -> None:
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otherdir = path1 / "otherdir"
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mod = import_path(otherdir / "b.py", root=path1)
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assert mod.stuff == "got it" # type: ignore[attr-defined]
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assert mod.__name__ == "otherdir.b"
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def test_c(self, path1: Path) -> None:
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otherdir = path1 / "otherdir"
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mod = import_path(otherdir / "c.py", root=path1)
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assert mod.value == "got it" # type: ignore[attr-defined]
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def test_d(self, path1: Path) -> None:
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otherdir = path1 / "otherdir"
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mod = import_path(otherdir / "d.py", root=path1)
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assert mod.value2 == "got it" # type: ignore[attr-defined]
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def test_import_after(self, tmp_path: Path) -> None:
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tmp_path.joinpath("xxxpackage").mkdir()
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tmp_path.joinpath("xxxpackage", "__init__.py").touch()
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mod1path = tmp_path.joinpath("xxxpackage", "module1.py")
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mod1path.touch()
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mod1 = import_path(mod1path, root=tmp_path)
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assert mod1.__name__ == "xxxpackage.module1"
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from xxxpackage import module1
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assert module1 is mod1
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def test_check_filepath_consistency(
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self, monkeypatch: MonkeyPatch, tmp_path: Path
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) -> None:
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name = "pointsback123"
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p = tmp_path.joinpath(name + ".py")
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p.touch()
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for ending in (".pyc", ".pyo"):
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mod = ModuleType(name)
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pseudopath = tmp_path.joinpath(name + ending)
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pseudopath.touch()
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mod.__file__ = str(pseudopath)
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monkeypatch.setitem(sys.modules, name, mod)
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newmod = import_path(p, root=tmp_path)
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assert mod == newmod
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monkeypatch.undo()
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mod = ModuleType(name)
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pseudopath = tmp_path.joinpath(name + "123.py")
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pseudopath.touch()
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mod.__file__ = str(pseudopath)
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monkeypatch.setitem(sys.modules, name, mod)
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with pytest.raises(ImportPathMismatchError) as excinfo:
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import_path(p, root=tmp_path)
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modname, modfile, orig = excinfo.value.args
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assert modname == name
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assert modfile == str(pseudopath)
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assert orig == p
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assert issubclass(ImportPathMismatchError, ImportError)
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def test_issue131_on__init__(self, tmp_path: Path) -> None:
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# __init__.py files may be namespace packages, and thus the
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# __file__ of an imported module may not be ourselves
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# see issue
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tmp_path.joinpath("proja").mkdir()
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p1 = tmp_path.joinpath("proja", "__init__.py")
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p1.touch()
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tmp_path.joinpath("sub", "proja").mkdir(parents=True)
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p2 = tmp_path.joinpath("sub", "proja", "__init__.py")
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p2.touch()
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m1 = import_path(p1, root=tmp_path)
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m2 = import_path(p2, root=tmp_path)
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assert m1 == m2
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def test_ensuresyspath_append(self, tmp_path: Path) -> None:
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root1 = tmp_path / "root1"
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root1.mkdir()
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file1 = root1 / "x123.py"
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file1.touch()
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assert str(root1) not in sys.path
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import_path(file1, mode="append", root=tmp_path)
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assert str(root1) == sys.path[-1]
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assert str(root1) not in sys.path[:-1]
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def test_invalid_path(self, tmp_path: Path) -> None:
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with pytest.raises(ImportError):
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import_path(tmp_path / "invalid.py", root=tmp_path)
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@pytest.fixture
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def simple_module(self, tmp_path: Path) -> Path:
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fn = tmp_path / "_src/tests/mymod.py"
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fn.parent.mkdir(parents=True)
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fn.write_text("def foo(x): return 40 + x")
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return fn
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def test_importmode_importlib(self, simple_module: Path, tmp_path: Path) -> None:
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"""`importlib` mode does not change sys.path."""
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module = import_path(simple_module, mode="importlib", root=tmp_path)
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assert module.foo(2) == 42 # type: ignore[attr-defined]
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assert str(simple_module.parent) not in sys.path
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assert module.__name__ in sys.modules
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assert module.__name__ == "_src.tests.mymod"
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assert "_src" in sys.modules
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assert "_src.tests" in sys.modules
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def test_importmode_twice_is_different_module(
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self, simple_module: Path, tmp_path: Path
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) -> None:
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"""`importlib` mode always returns a new module."""
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module1 = import_path(simple_module, mode="importlib", root=tmp_path)
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module2 = import_path(simple_module, mode="importlib", root=tmp_path)
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assert module1 is not module2
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def test_no_meta_path_found(
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self, simple_module: Path, monkeypatch: MonkeyPatch, tmp_path: Path
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) -> None:
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"""Even without any meta_path should still import module."""
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monkeypatch.setattr(sys, "meta_path", [])
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module = import_path(simple_module, mode="importlib", root=tmp_path)
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assert module.foo(2) == 42 # type: ignore[attr-defined]
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# mode='importlib' fails if no spec is found to load the module
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import importlib.util
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monkeypatch.setattr(
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importlib.util, "spec_from_file_location", lambda *args: None
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)
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with pytest.raises(ImportError):
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import_path(simple_module, mode="importlib", root=tmp_path)
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def test_resolve_package_path(tmp_path: Path) -> None:
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pkg = tmp_path / "pkg1"
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pkg.mkdir()
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(pkg / "__init__.py").touch()
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(pkg / "subdir").mkdir()
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(pkg / "subdir/__init__.py").touch()
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assert resolve_package_path(pkg) == pkg
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assert resolve_package_path(pkg.joinpath("subdir", "__init__.py")) == pkg
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def test_package_unimportable(tmp_path: Path) -> None:
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pkg = tmp_path / "pkg1-1"
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pkg.mkdir()
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pkg.joinpath("__init__.py").touch()
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subdir = pkg.joinpath("subdir")
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subdir.mkdir()
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pkg.joinpath("subdir/__init__.py").touch()
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assert resolve_package_path(subdir) == subdir
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xyz = subdir.joinpath("xyz.py")
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xyz.touch()
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assert resolve_package_path(xyz) == subdir
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assert not resolve_package_path(pkg)
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def test_access_denied_during_cleanup(tmp_path: Path, monkeypatch: MonkeyPatch) -> None:
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"""Ensure that deleting a numbered dir does not fail because of OSErrors (#4262)."""
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path = tmp_path / "temp-1"
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path.mkdir()
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def renamed_failed(*args):
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raise OSError("access denied")
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monkeypatch.setattr(Path, "rename", renamed_failed)
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lock_path = get_lock_path(path)
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maybe_delete_a_numbered_dir(path)
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assert not lock_path.is_file()
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def test_long_path_during_cleanup(tmp_path: Path) -> None:
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"""Ensure that deleting long path works (particularly on Windows (#6775))."""
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path = (tmp_path / ("a" * 250)).resolve()
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if sys.platform == "win32":
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# make sure that the full path is > 260 characters without any
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# component being over 260 characters
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assert len(str(path)) > 260
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extended_path = "\\\\?\\" + str(path)
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else:
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extended_path = str(path)
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os.mkdir(extended_path)
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assert os.path.isdir(extended_path)
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maybe_delete_a_numbered_dir(path)
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assert not os.path.isdir(extended_path)
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def test_get_extended_length_path_str() -> None:
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assert get_extended_length_path_str(r"c:\foo") == r"\\?\c:\foo"
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assert get_extended_length_path_str(r"\\share\foo") == r"\\?\UNC\share\foo"
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assert get_extended_length_path_str(r"\\?\UNC\share\foo") == r"\\?\UNC\share\foo"
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assert get_extended_length_path_str(r"\\?\c:\foo") == r"\\?\c:\foo"
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def test_suppress_error_removing_lock(tmp_path: Path) -> None:
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"""ensure_deletable should be resilient if lock file cannot be removed (#5456, #7491)"""
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path = tmp_path / "dir"
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path.mkdir()
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lock = get_lock_path(path)
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lock.touch()
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mtime = lock.stat().st_mtime
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with unittest.mock.patch.object(Path, "unlink", side_effect=OSError) as m:
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assert not ensure_deletable(
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path, consider_lock_dead_if_created_before=mtime + 30
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)
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assert m.call_count == 1
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assert lock.is_file()
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with unittest.mock.patch.object(Path, "is_file", side_effect=OSError) as m:
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assert not ensure_deletable(
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path, consider_lock_dead_if_created_before=mtime + 30
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)
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assert m.call_count == 1
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assert lock.is_file()
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# check now that we can remove the lock file in normal circumstances
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assert ensure_deletable(path, consider_lock_dead_if_created_before=mtime + 30)
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assert not lock.is_file()
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def test_bestrelpath() -> None:
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curdir = Path("/foo/bar/baz/path")
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assert bestrelpath(curdir, curdir) == "."
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assert bestrelpath(curdir, curdir / "hello" / "world") == "hello" + os.sep + "world"
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assert bestrelpath(curdir, curdir.parent / "sister") == ".." + os.sep + "sister"
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assert bestrelpath(curdir, curdir.parent) == ".."
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assert bestrelpath(curdir, Path("hello")) == "hello"
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def test_commonpath() -> None:
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path = Path("/foo/bar/baz/path")
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subpath = path / "sampledir"
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assert commonpath(path, subpath) == path
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assert commonpath(subpath, path) == path
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assert commonpath(Path(str(path) + "suffix"), path) == path.parent
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assert commonpath(path, path.parent.parent) == path.parent.parent
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def test_visit_ignores_errors(tmp_path: Path) -> None:
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symlink_or_skip("recursive", tmp_path / "recursive")
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tmp_path.joinpath("foo").write_bytes(b"")
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tmp_path.joinpath("bar").write_bytes(b"")
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assert [
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entry.name for entry in visit(str(tmp_path), recurse=lambda entry: False)
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] == ["bar", "foo"]
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@pytest.mark.skipif(not sys.platform.startswith("win"), reason="Windows only")
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def test_samefile_false_negatives(tmp_path: Path, monkeypatch: MonkeyPatch) -> None:
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"""
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import_file() should not raise ImportPathMismatchError if the paths are exactly
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equal on Windows. It seems directories mounted as UNC paths make os.path.samefile
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return False, even when they are clearly equal.
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"""
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module_path = tmp_path.joinpath("my_module.py")
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module_path.write_text("def foo(): return 42")
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monkeypatch.syspath_prepend(tmp_path)
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with monkeypatch.context() as mp:
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# Forcibly make os.path.samefile() return False here to ensure we are comparing
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# the paths too. Using a context to narrow the patch as much as possible given
|
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# this is an important system function.
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|
mp.setattr(os.path, "samefile", lambda x, y: False)
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module = import_path(module_path, root=tmp_path)
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assert getattr(module, "foo")() == 42
|
|
|
|
|
|
class TestImportLibMode:
|
|
def test_importmode_importlib_with_dataclass(self, tmp_path: Path) -> None:
|
|
"""Ensure that importlib mode works with a module containing dataclasses (#7856)."""
|
|
fn = tmp_path.joinpath("_src/tests/test_dataclass.py")
|
|
fn.parent.mkdir(parents=True)
|
|
fn.write_text(
|
|
dedent(
|
|
"""
|
|
from dataclasses import dataclass
|
|
|
|
@dataclass
|
|
class Data:
|
|
value: str
|
|
"""
|
|
)
|
|
)
|
|
|
|
module = import_path(fn, mode="importlib", root=tmp_path)
|
|
Data: Any = getattr(module, "Data")
|
|
data = Data(value="foo")
|
|
assert data.value == "foo"
|
|
assert data.__module__ == "_src.tests.test_dataclass"
|
|
|
|
def test_importmode_importlib_with_pickle(self, tmp_path: Path) -> None:
|
|
"""Ensure that importlib mode works with pickle (#7859)."""
|
|
fn = tmp_path.joinpath("_src/tests/test_pickle.py")
|
|
fn.parent.mkdir(parents=True)
|
|
fn.write_text(
|
|
dedent(
|
|
"""
|
|
import pickle
|
|
|
|
def _action():
|
|
return 42
|
|
|
|
def round_trip():
|
|
s = pickle.dumps(_action)
|
|
return pickle.loads(s)
|
|
"""
|
|
)
|
|
)
|
|
|
|
module = import_path(fn, mode="importlib", root=tmp_path)
|
|
round_trip = getattr(module, "round_trip")
|
|
action = round_trip()
|
|
assert action() == 42
|
|
|
|
def test_importmode_importlib_with_pickle_separate_modules(
|
|
self, tmp_path: Path
|
|
) -> None:
|
|
"""
|
|
Ensure that importlib mode works can load pickles that look similar but are
|
|
defined in separate modules.
|
|
"""
|
|
fn1 = tmp_path.joinpath("_src/m1/tests/test.py")
|
|
fn1.parent.mkdir(parents=True)
|
|
fn1.write_text(
|
|
dedent(
|
|
"""
|
|
import attr
|
|
import pickle
|
|
|
|
@attr.s(auto_attribs=True)
|
|
class Data:
|
|
x: int = 42
|
|
"""
|
|
)
|
|
)
|
|
|
|
fn2 = tmp_path.joinpath("_src/m2/tests/test.py")
|
|
fn2.parent.mkdir(parents=True)
|
|
fn2.write_text(
|
|
dedent(
|
|
"""
|
|
import attr
|
|
import pickle
|
|
|
|
@attr.s(auto_attribs=True)
|
|
class Data:
|
|
x: str = ""
|
|
"""
|
|
)
|
|
)
|
|
|
|
import pickle
|
|
|
|
def round_trip(obj):
|
|
s = pickle.dumps(obj)
|
|
return pickle.loads(s)
|
|
|
|
module = import_path(fn1, mode="importlib", root=tmp_path)
|
|
Data1 = getattr(module, "Data")
|
|
|
|
module = import_path(fn2, mode="importlib", root=tmp_path)
|
|
Data2 = getattr(module, "Data")
|
|
|
|
assert round_trip(Data1(20)) == Data1(20)
|
|
assert round_trip(Data2("hello")) == Data2("hello")
|
|
assert Data1.__module__ == "_src.m1.tests.test"
|
|
assert Data2.__module__ == "_src.m2.tests.test"
|
|
|
|
def test_module_name_from_path(self, tmp_path: Path) -> None:
|
|
result = module_name_from_path(tmp_path / "src/tests/test_foo.py", tmp_path)
|
|
assert result == "src.tests.test_foo"
|
|
|
|
# Path is not relative to root dir: use the full path to obtain the module name.
|
|
result = module_name_from_path(Path("/home/foo/test_foo.py"), Path("/bar"))
|
|
assert result == "home.foo.test_foo"
|
|
|
|
def test_insert_missing_modules(self) -> None:
|
|
modules = {"src.tests.foo": ModuleType("src.tests.foo")}
|
|
insert_missing_modules(modules, "src.tests.foo")
|
|
assert sorted(modules) == ["src", "src.tests", "src.tests.foo"]
|
|
|
|
mod = ModuleType("mod", doc="My Module")
|
|
modules = {"src": mod}
|
|
insert_missing_modules(modules, "src")
|
|
assert modules == {"src": mod}
|
|
|
|
modules = {}
|
|
insert_missing_modules(modules, "")
|
|
assert modules == {}
|