tests: consistently use fixture_dir

tests/conftest.py

@@ -282,6 +282,11 @@ def http() -> Iterator[type[httpretty.httpretty]]:
         yield httpretty
 
 
+@pytest.fixture
+def project_root() -> Path:
+    return Path(__file__).parent.parent
+
+
 @pytest.fixture(scope="session")
 def fixture_base() -> Path:
     return Path(__file__).parent / "fixtures"
@@ -417,11 +422,6 @@ def project_factory(
     return _factory
 
 
-@pytest.fixture
-def project_root() -> Path:
-    return Path(__file__).parent.parent
-
-
 @pytest.fixture(autouse=True)
 def set_simple_log_formatter() -> None:
     """

tests/console/commands/self/test_update.py

 from __future__ import annotations
 
-from pathlib import Path
 from typing import TYPE_CHECKING
 
 import pytest
@@ -20,12 +19,11 @@ if TYPE_CHECKING:
 
     from tests.helpers import TestRepository
     from tests.types import CommandTesterFactory
+    from tests.types import FixtureDirGetter
 
-FIXTURES = Path(__file__).parent.joinpath("fixtures")
 
-
-@pytest.fixture()
-def setup(mocker: MockerFixture, fixture_dir: Path):
+@pytest.fixture
+def setup(mocker: MockerFixture, fixture_dir: FixtureDirGetter) -> None:
     mocker.patch.object(
         Executor,
         "_download",
@@ -46,7 +44,7 @@ def test_self_update_can_update_from_recommended_installation(
     tester: CommandTester,
     repo: TestRepository,
     installed: TestRepository,
-):
+) -> None:
     new_version = Version.parse(__version__).next_minor().text
 
     old_poetry = Package("poetry", __version__)

tests/console/commands/test_build.py

@@ -3,23 +3,26 @@ from __future__ import annotations
 import shutil
 import tarfile
 
-from pathlib import Path
 from typing import TYPE_CHECKING
 
 from poetry.factory import Factory
 
 
 if TYPE_CHECKING:
+    from pathlib import Path
+
     from poetry.utils.env import VirtualEnv
     from tests.types import CommandTesterFactory
+    from tests.types import FixtureDirGetter
 
 
 def test_build_with_multiple_readme_files(
-    tmp_path: Path, tmp_venv: VirtualEnv, command_tester_factory: CommandTesterFactory
-):
-    source_dir = (
-        Path(__file__).parent.parent.parent / "fixtures" / "with_multiple_readme_files"
-    )
+    fixture_dir: FixtureDirGetter,
+    tmp_path: Path,
+    tmp_venv: VirtualEnv,
+    command_tester_factory: CommandTesterFactory,
+) -> None:
+    source_dir = fixture_dir("with_multiple_readme_files")
     target_dir = tmp_path / "project"
     shutil.copytree(str(source_dir), str(target_dir))
 

tests/console/commands/test_check.py

 from __future__ import annotations
 
-from pathlib import Path
 from typing import TYPE_CHECKING
 
 import pytest
@@ -11,6 +10,7 @@ if TYPE_CHECKING:
     from pytest_mock import MockerFixture
 
     from tests.types import CommandTesterFactory
+    from tests.types import FixtureDirGetter
 
 
 @pytest.fixture()
@@ -18,7 +18,7 @@ def tester(command_tester_factory: CommandTesterFactory) -> CommandTester:
     return command_tester_factory("check")
 
 
-def test_check_valid(tester: CommandTester):
+def test_check_valid(tester: CommandTester) -> None:
     tester.execute()
 
     expected = """\
@@ -28,17 +28,14 @@ All set!
     assert tester.io.fetch_output() == expected
 
 
-def test_check_invalid(mocker: MockerFixture, tester: CommandTester):
+def test_check_invalid(
+    mocker: MockerFixture, tester: CommandTester, fixture_dir: FixtureDirGetter
+) -> None:
     from poetry.toml import TOMLFile
 
     mocker.patch(
         "poetry.poetry.Poetry.file",
-        return_value=TOMLFile(
-            Path(__file__).parent.parent.parent
-            / "fixtures"
-            / "invalid_pyproject"
-            / "pyproject.toml"
-        ),
+        return_value=TOMLFile(fixture_dir("invalid_pyproject") / "pyproject.toml"),
         new_callable=mocker.PropertyMock,
     )
 
@@ -61,13 +58,12 @@ Warning: Deprecated classifier\
     assert tester.io.fetch_error() == expected
 
 
-def test_check_private(mocker: MockerFixture, tester: CommandTester):
+def test_check_private(
+    mocker: MockerFixture, tester: CommandTester, fixture_dir: FixtureDirGetter
+) -> None:
     mocker.patch(
         "poetry.factory.Factory.locate",
-        return_value=Path(__file__).parent.parent.parent
-        / "fixtures"
-        / "private_pyproject"
-        / "pyproject.toml",
+        return_value=fixture_dir("private_pyproject") / "pyproject.toml",
     )
 
     tester.execute()

tests/console/conftest.py

@@ -2,7 +2,6 @@ from __future__ import annotations
 
 import os
 
-from pathlib import Path
 from typing import TYPE_CHECKING
 
 import pytest
@@ -22,6 +21,7 @@ from tests.helpers import mock_clone
 
 if TYPE_CHECKING:
     from collections.abc import Iterator
+    from pathlib import Path
 
     from pytest_mock import MockerFixture
 
@@ -31,6 +31,7 @@ if TYPE_CHECKING:
     from poetry.utils.env import Env
     from tests.conftest import Config
     from tests.types import CommandTesterFactory
+    from tests.types import FixtureDirGetter
     from tests.types import ProjectFactory
 
 
@@ -96,11 +97,12 @@ def project_directory() -> str:
 
 
 @pytest.fixture
-def poetry(project_directory: str, project_factory: ProjectFactory) -> Poetry:
-    return project_factory(
-        name="simple",
-        source=Path(__file__).parent.parent / "fixtures" / project_directory,
-    )
+def poetry(
+    project_directory: str,
+    project_factory: ProjectFactory,
+    fixture_dir: FixtureDirGetter,
+) -> Poetry:
+    return project_factory(name="simple", source=fixture_dir(project_directory))
 
 
 @pytest.fixture

tests/helpers.py

@@ -68,13 +68,6 @@ def get_dependency(
     return Factory.create_dependency(name, constraint or "*", groups=groups)
 
 
-def fixture(path: str | None = None) -> Path:
-    if path:
-        return FIXTURE_PATH / path
-    else:
-        return FIXTURE_PATH
-
-
 def copy_or_symlink(source: Path, dest: Path) -> None:
     if dest.is_symlink() or dest.is_file():
         dest.unlink()  # missing_ok is only available in Python >= 3.8
@@ -113,7 +106,7 @@ def mock_clone(
     parsed = ParsedUrl.parse(url)
     path = re.sub(r"(.git)?$", "", parsed.pathname.lstrip("/"))
 
-    folder = Path(__file__).parent / "fixtures" / "git" / parsed.resource / path
+    folder = FIXTURE_PATH / "git" / parsed.resource / path
 
     if not source_root:
         source_root = Path(Config.create().get("cache-dir")) / "src"
@@ -128,8 +121,7 @@ def mock_clone(
 def mock_download(url: str, dest: Path) -> None:
     parts = urllib.parse.urlparse(url)
 
-    fixtures = Path(__file__).parent / "fixtures"
-    fixture = fixtures / parts.path.lstrip("/")
+    fixture = FIXTURE_PATH / parts.path.lstrip("/")
 
     copy_or_symlink(fixture, dest)
 

tests/inspection/test_info.py

 from __future__ import annotations
 
-from pathlib import Path
 from subprocess import CalledProcessError
 from typing import TYPE_CHECKING
 
@@ -13,10 +12,11 @@ from poetry.utils.env import VirtualEnv
 
 
 if TYPE_CHECKING:
+    from pathlib import Path
+
     from pytest_mock import MockerFixture
 
-FIXTURE_DIR_BASE = Path(__file__).parent.parent / "fixtures"
-FIXTURE_DIR_INSPECTIONS = FIXTURE_DIR_BASE / "inspection"
+    from tests.types import FixtureDirGetter
 
 
 @pytest.fixture(autouse=True)
@@ -25,13 +25,13 @@ def pep517_metadata_mock() -> None:
 
 
 @pytest.fixture
-def demo_sdist() -> Path:
-    return FIXTURE_DIR_BASE / "distributions" / "demo-0.1.0.tar.gz"
+def demo_sdist(fixture_dir: FixtureDirGetter) -> Path:
+    return fixture_dir("distributions") / "demo-0.1.0.tar.gz"
 
 
 @pytest.fixture
-def demo_wheel() -> Path:
-    return FIXTURE_DIR_BASE / "distributions" / "demo-0.1.0-py2.py3-none-any.whl"
+def demo_wheel(fixture_dir: FixtureDirGetter) -> Path:
+    return fixture_dir("distributions") / "demo-0.1.0-py2.py3-none-any.whl"
 
 
 @pytest.fixture
@@ -128,15 +128,15 @@ def test_info_from_bdist(demo_wheel: Path) -> None:
     demo_check_info(info)
 
 
-def test_info_from_poetry_directory() -> None:
+def test_info_from_poetry_directory(fixture_dir: FixtureDirGetter) -> None:
     info = PackageInfo.from_directory(
-        FIXTURE_DIR_INSPECTIONS / "demo", disable_build=True
+        fixture_dir("inspection") / "demo", disable_build=True
     )
     demo_check_info(info)
 
 
 def test_info_from_poetry_directory_fallback_on_poetry_create_error(
-    mocker: MockerFixture,
+    mocker: MockerFixture, fixture_dir: FixtureDirGetter
 ) -> None:
     mock_create_poetry = mocker.patch(
         "poetry.inspection.info.Factory.create_poetry", side_effect=RuntimeError
@@ -146,16 +146,16 @@ def test_info_from_poetry_directory_fallback_on_poetry_create_error(
         "poetry.inspection.info.get_pep517_metadata"
     )
 
-    PackageInfo.from_directory(FIXTURE_DIR_INSPECTIONS / "demo_poetry_package")
+    PackageInfo.from_directory(fixture_dir("inspection") / "demo_poetry_package")
 
     assert mock_create_poetry.call_count == 1
     assert mock_get_poetry_package.call_count == 1
     assert mock_get_pep517_metadata.call_count == 1
 
 
-def test_info_from_requires_txt() -> None:
+def test_info_from_requires_txt(fixture_dir: FixtureDirGetter) -> None:
     info = PackageInfo.from_metadata(
-        FIXTURE_DIR_INSPECTIONS / "demo_only_requires_txt.egg-info"
+        fixture_dir("inspection") / "demo_only_requires_txt.egg-info"
     )
     assert info is not None
     demo_check_info(info)
@@ -171,9 +171,9 @@ def test_info_from_setup_cfg(demo_setup_cfg: Path) -> None:
     demo_check_info(info, requires_dist={"package"})
 
 
-def test_info_no_setup_pkg_info_no_deps() -> None:
+def test_info_no_setup_pkg_info_no_deps(fixture_dir: FixtureDirGetter) -> None:
     info = PackageInfo.from_directory(
-        FIXTURE_DIR_INSPECTIONS / "demo_no_setup_pkg_info_no_deps",
+        fixture_dir("inspection") / "demo_no_setup_pkg_info_no_deps",
         disable_build=True,
     )
     assert info.name == "demo"
@@ -250,8 +250,8 @@ def test_info_setup_missing_mandatory_should_trigger_pep517(
     assert spy.call_count == 1
 
 
-def test_info_prefer_poetry_config_over_egg_info() -> None:
+def test_info_prefer_poetry_config_over_egg_info(fixture_dir: FixtureDirGetter) -> None:
     info = PackageInfo.from_directory(
-        FIXTURE_DIR_INSPECTIONS / "demo_with_obsolete_egg_info"
+        fixture_dir("inspection") / "demo_with_obsolete_egg_info"
     )
     demo_check_info(info)

tests/installation/test_pip_installer.py

@@ -24,6 +24,7 @@ if TYPE_CHECKING:
 
     from poetry.utils.env import VirtualEnv
     from tests.conftest import Config
+    from tests.types import FixtureDirGetter
 
 
 @pytest.fixture
@@ -278,7 +279,10 @@ def test_install_with_trusted_host(config: Config, env: NullEnv) -> None:
 
 
 def test_install_directory_fallback_on_poetry_create_error(
-    mocker: MockerFixture, tmp_venv: VirtualEnv, pool: RepositoryPool
+    mocker: MockerFixture,
+    tmp_venv: VirtualEnv,
+    pool: RepositoryPool,
+    fixture_dir: FixtureDirGetter,
 ) -> None:
     mock_create_poetry = mocker.patch(
         "poetry.factory.Factory.create_poetry", side_effect=RuntimeError
@@ -293,9 +297,7 @@ def test_install_directory_fallback_on_poetry_create_error(
         "demo",
         "1.0.0",
         source_type="directory",
-        source_url=str(
-            Path(__file__).parent.parent / "fixtures/inspection/demo_poetry_package"
-        ),
+        source_url=str(fixture_dir("inspection") / "demo_poetry_package"),
     )
 
     installer = PipInstaller(tmp_venv, NullIO(), pool)

tests/masonry/builders/test_editable_builder.py

@@ -28,51 +28,40 @@ if TYPE_CHECKING:
     from pytest_mock import MockerFixture
 
     from poetry.poetry import Poetry
+    from tests.types import FixtureDirGetter
 
 
 @pytest.fixture()
-def simple_poetry() -> Poetry:
-    poetry = Factory().create_poetry(
-        Path(__file__).parent.parent.parent / "fixtures" / "simple_project"
-    )
+def simple_poetry(fixture_dir: FixtureDirGetter) -> Poetry:
+    poetry = Factory().create_poetry(fixture_dir("simple_project"))
 
     return poetry
 
 
 @pytest.fixture()
-def project_with_include() -> Poetry:
-    poetry = Factory().create_poetry(
-        Path(__file__).parent.parent.parent / "fixtures" / "with-include"
-    )
+def project_with_include(fixture_dir: FixtureDirGetter) -> Poetry:
+    poetry = Factory().create_poetry(fixture_dir("with-include"))
 
     return poetry
 
 
 @pytest.fixture()
-def extended_poetry() -> Poetry:
-    poetry = Factory().create_poetry(
-        Path(__file__).parent.parent.parent / "fixtures" / "extended_project"
-    )
+def extended_poetry(fixture_dir: FixtureDirGetter) -> Poetry:
+    poetry = Factory().create_poetry(fixture_dir("extended_project"))
 
     return poetry
 
 
 @pytest.fixture()
-def extended_without_setup_poetry() -> Poetry:
-    poetry = Factory().create_poetry(
-        Path(__file__).parent.parent.parent
-        / "fixtures"
-        / "extended_project_without_setup"
-    )
+def extended_without_setup_poetry(fixture_dir: FixtureDirGetter) -> Poetry:
+    poetry = Factory().create_poetry(fixture_dir("extended_project_without_setup"))
 
     return poetry
 
 
 @pytest.fixture
-def with_multiple_readme_files() -> Poetry:
-    poetry = Factory().create_poetry(
-        Path(__file__).parent.parent.parent / "fixtures" / "with_multiple_readme_files"
-    )
+def with_multiple_readme_files(fixture_dir: FixtureDirGetter) -> Poetry:
+    poetry = Factory().create_poetry(fixture_dir("with_multiple_readme_files"))
 
     return poetry
 
@@ -235,9 +224,11 @@ def test_builder_falls_back_on_setup_and_pip_for_packages_with_build_scripts(
     assert [] == env.executed
 
 
-def test_builder_setup_generation_runs_with_pip_editable(tmp_path: Path) -> None:
+def test_builder_setup_generation_runs_with_pip_editable(
+    fixture_dir: FixtureDirGetter, tmp_path: Path
+) -> None:
     # create an isolated copy of the project
-    fixture = Path(__file__).parent.parent.parent / "fixtures" / "extended_project"
+    fixture = fixture_dir("extended_project")
     extended_project = tmp_path / "extended_project"
 
     shutil.copytree(fixture, extended_project)

tests/mixology/version_solver/test_unsolvable.py

 from __future__ import annotations
 
-from pathlib import Path
 from typing import TYPE_CHECKING
 
 from poetry.factory import Factory
@@ -13,6 +12,7 @@ if TYPE_CHECKING:
 
     from poetry.repositories import Repository
     from tests.mixology.version_solver.conftest import Provider
+    from tests.types import FixtureDirGetter
 
 
 def test_no_version_matching_constraint(
@@ -94,11 +94,13 @@ Because myapp depends on both foo (1.0.0) and foo (2.0.0), version solving faile
 
 
 def test_disjoint_root_constraints_path_dependencies(
-    root: ProjectPackage, provider: Provider, repo: Repository
+    root: ProjectPackage,
+    provider: Provider,
+    repo: Repository,
+    fixture_dir: FixtureDirGetter,
 ) -> None:
     provider.set_package_python_versions("^3.7")
-    fixtures = Path(__file__).parent.parent.parent / "fixtures"
-    project_dir = fixtures.joinpath("with_conditional_path_deps")
+    project_dir = fixture_dir("with_conditional_path_deps")
     dependency1 = Factory.create_dependency("demo", {"path": project_dir / "demo_one"})
     root.add_dependency(dependency1)
     dependency2 = Factory.create_dependency("demo", {"path": project_dir / "demo_two"})

tests/packages/test_locker.py

@@ -737,14 +737,13 @@ content-hash = "c3d07fca33fba542ef2b2a4d75bf5b48d892d21a830e2ad9c952ba5123a52f77
 
 
 def test_root_extras_dependencies_are_ordered(
-    locker: Locker, root: ProjectPackage
+    locker: Locker, root: ProjectPackage, fixture_base: Path
 ) -> None:
-    root_dir = Path(__file__).parent.parent.joinpath("fixtures")
-    Factory.create_dependency("B", "1.0.0", root_dir=root_dir)
-    Factory.create_dependency("C", "1.0.0", root_dir=root_dir)
-    package_first = Factory.create_dependency("first", "1.0.0", root_dir=root_dir)
-    package_second = Factory.create_dependency("second", "1.0.0", root_dir=root_dir)
-    package_third = Factory.create_dependency("third", "1.0.0", root_dir=root_dir)
+    Factory.create_dependency("B", "1.0.0", root_dir=fixture_base)
+    Factory.create_dependency("C", "1.0.0", root_dir=fixture_base)
+    package_first = Factory.create_dependency("first", "1.0.0", root_dir=fixture_base)
+    package_second = Factory.create_dependency("second", "1.0.0", root_dir=fixture_base)
+    package_third = Factory.create_dependency("third", "1.0.0", root_dir=fixture_base)
 
     root.extras = {
         "C": [package_third, package_second, package_first],
@@ -834,25 +833,24 @@ content-hash = "c3d07fca33fba542ef2b2a4d75bf5b48d892d21a830e2ad9c952ba5123a52f77
 
 
 def test_locker_dumps_dependency_information_correctly(
-    locker: Locker, root: ProjectPackage
+    locker: Locker, root: ProjectPackage, fixture_base: Path
 ) -> None:
-    root_dir = Path(__file__).parent.parent.joinpath("fixtures")
     package_a = get_package("A", "1.0.0")
     package_a.add_dependency(
         Factory.create_dependency(
-            "B", {"path": "project_with_extras", "develop": True}, root_dir=root_dir
+            "B", {"path": "project_with_extras", "develop": True}, root_dir=fixture_base
         )
     )
     package_a.add_dependency(
         Factory.create_dependency(
             "C",
             {"path": "directory/project_with_transitive_directory_dependencies"},
-            root_dir=root_dir,
+            root_dir=fixture_base,
         )
     )
     package_a.add_dependency(
         Factory.create_dependency(
-            "D", {"path": "distributions/demo-0.1.0.tar.gz"}, root_dir=root_dir
+            "D", {"path": "distributions/demo-0.1.0.tar.gz"}, root_dir=fixture_base
         )
     )
     package_a.add_dependency(
@@ -969,15 +967,14 @@ content-hash = "115cf985d932e9bf5f540555bbdd75decbb62cac81e399375fc19f6277f8c1d8
 
 
 def test_locker_dumps_dependency_extras_in_correct_order(
-    locker: Locker, root: ProjectPackage
+    locker: Locker, root: ProjectPackage, fixture_base: Path
 ) -> None:
-    root_dir = Path(__file__).parent.parent.joinpath("fixtures")
     package_a = get_package("A", "1.0.0")
-    Factory.create_dependency("B", "1.0.0", root_dir=root_dir)
-    Factory.create_dependency("C", "1.0.0", root_dir=root_dir)
-    package_first = Factory.create_dependency("first", "1.0.0", root_dir=root_dir)
-    package_second = Factory.create_dependency("second", "1.0.0", root_dir=root_dir)
-    package_third = Factory.create_dependency("third", "1.0.0", root_dir=root_dir)
+    Factory.create_dependency("B", "1.0.0", root_dir=fixture_base)
+    Factory.create_dependency("C", "1.0.0", root_dir=fixture_base)
+    package_first = Factory.create_dependency("first", "1.0.0", root_dir=fixture_base)
+    package_second = Factory.create_dependency("second", "1.0.0", root_dir=fixture_base)
+    package_third = Factory.create_dependency("third", "1.0.0", root_dir=fixture_base)
 
     package_a.extras = {
         "C": [package_third, package_second, package_first],

tests/plugins/test_plugin_manager.py

 from __future__ import annotations
 
-from pathlib import Path
 from typing import TYPE_CHECKING
 
 import pytest
@@ -21,8 +20,7 @@ if TYPE_CHECKING:
     from pytest_mock import MockerFixture
 
     from tests.conftest import Config
-
-CWD = Path(__file__).parent.parent / "fixtures" / "simple_project"
+    from tests.types import FixtureDirGetter
 
 
 class ManagerFactory(Protocol):
@@ -46,13 +44,14 @@ class InvalidPlugin:
         poetry.package.version = "9.9.9"
 
 
-@pytest.fixture()
-def poetry(tmp_path: Path, config: Config) -> Poetry:
+@pytest.fixture
+def poetry(fixture_dir: FixtureDirGetter, config: Config) -> Poetry:
+    project_path = fixture_dir("simple_project")
     poetry = Poetry(
-        CWD / "pyproject.toml",
+        project_path / "pyproject.toml",
         {},
         ProjectPackage("simple-project", "1.2.3"),
-        Locker(CWD / "poetry.lock", {}),
+        Locker(project_path / "poetry.lock", {}),
         config,
     )
 
@@ -82,7 +81,7 @@ def test_load_plugins_and_activate(
     poetry: Poetry,
     io: BufferedIO,
     with_my_plugin: None,
-):
+) -> None:
     manager = manager_factory()
     manager.load_plugins()
     manager.activate(poetry, io)
@@ -106,7 +105,7 @@ def test_load_plugins_with_invalid_plugin(
     poetry: Poetry,
     io: BufferedIO,
     with_invalid_plugin: None,
-):
+) -> None:
     manager = manager_factory()
 
     with pytest.raises(ValueError):
@@ -118,7 +117,7 @@ def test_load_plugins_with_plugins_disabled(
     poetry: Poetry,
     io: BufferedIO,
     with_my_plugin: None,
-):
+) -> None:
     no_plugin_manager.load_plugins()
 
     assert poetry.package.version.text == "1.2.3"

tests/utils/test_env.py

@@ -42,6 +42,7 @@ if TYPE_CHECKING:
 
     from poetry.poetry import Poetry
     from tests.conftest import Config
+    from tests.types import FixtureDirGetter
     from tests.types import ProjectFactory
 
 MINIMAL_SCRIPT = """\
@@ -77,9 +78,8 @@ class MockVirtualEnv(VirtualEnv):
 
 
 @pytest.fixture()
-def poetry(project_factory: ProjectFactory) -> Poetry:
-    fixture = Path(__file__).parent.parent / "fixtures" / "simple_project"
-    return project_factory("simple", source=fixture)
+def poetry(project_factory: ProjectFactory, fixture_dir: FixtureDirGetter) -> Poetry:
+    return project_factory("simple", source=fixture_dir("simple_project"))
 
 
 @pytest.fixture()
@@ -100,7 +100,7 @@ def test_virtualenvs_with_spaces_in_their_path_work_as_expected(
 
 
 @pytest.mark.skipif(sys.platform != "darwin", reason="requires darwin")
-def test_venv_backup_exclusion(tmp_path: Path, manager: EnvManager):
+def test_venv_backup_exclusion(tmp_path: Path, manager: EnvManager) -> None:
     import xattr
 
     venv_path = tmp_path / "Virtual Env"
@@ -1042,7 +1042,7 @@ def test_check_output_with_called_process_error(
 @pytest.mark.parametrize("out", ["sys.stdout", "sys.stderr"])
 def test_call_does_not_block_on_full_pipe(
     tmp_path: Path, tmp_venv: VirtualEnv, out: str
-):
+) -> None:
     """see https://github.com/python-poetry/poetry/issues/7698"""
     script = tmp_path / "script.py"
     script.write_text(
@@ -1664,10 +1664,8 @@ def test_generate_env_name_uses_real_path(
 
 
 @pytest.fixture()
-def extended_without_setup_poetry() -> Poetry:
-    poetry = Factory().create_poetry(
-        Path(__file__).parent.parent / "fixtures" / "extended_project_without_setup"
-    )
+def extended_without_setup_poetry(fixture_dir: FixtureDirGetter) -> Poetry:
+    poetry = Factory().create_poetry(fixture_dir("extended_project_without_setup"))
 
     return poetry
 
@@ -1713,6 +1711,7 @@ def test_build_environment_not_called_without_build_script_specified(
 
 
 def test_create_venv_project_name_empty_sets_correct_prompt(
+    fixture_dir: FixtureDirGetter,
     project_factory: ProjectFactory,
     config: Config,
     mocker: MockerFixture,
@@ -1721,8 +1720,7 @@ def test_create_venv_project_name_empty_sets_correct_prompt(
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
-    fixture = Path(__file__).parent.parent / "fixtures" / "no_name_project"
-    poetry = project_factory("no", source=fixture)
+    poetry = project_factory("no", source=fixture_dir("no_name_project"))
     manager = EnvManager(poetry)
 
     poetry.package.python_versions = "^3.7"

tests/utils/test_helpers.py

 from __future__ import annotations
 
-from pathlib import Path
 from typing import TYPE_CHECKING
 
 import pytest
@@ -14,7 +13,7 @@ if TYPE_CHECKING:
     from tests.types import FixtureDirGetter
 
 
-def test_parse_requires():
+def test_parse_requires() -> None:
     requires = """\
 jsonschema>=2.6.0.0,<3.0.0.0
 lockfile>=0.12.0.0,<0.13.0.0
@@ -71,10 +70,8 @@ isort@ git+git://github.com/timothycrosley/isort.git@e63ae06ec7d70b06df9e5283576
 
 
 def test_default_hash(fixture_dir: FixtureDirGetter) -> None:
-    root_dir = Path(__file__).parent.parent.parent
-    file_path = root_dir / fixture_dir("distributions/demo-0.1.0.tar.gz")
     sha_256 = "9fa123ad707a5c6c944743bf3e11a0e80d86cb518d3cf25320866ca3ef43e2ad"
-    assert get_file_hash(file_path) == sha_256
+    assert get_file_hash(fixture_dir("distributions") / "demo-0.1.0.tar.gz") == sha_256
 
 
 try:
@@ -130,6 +127,5 @@ except ImportError:
 def test_guaranteed_hash(
     hash_name: str, expected: str, fixture_dir: FixtureDirGetter
 ) -> None:
-    root_dir = Path(__file__).parent.parent.parent
-    file_path = root_dir / fixture_dir("distributions/demo-0.1.0.tar.gz")
+    file_path = fixture_dir("distributions") / "demo-0.1.0.tar.gz"
     assert get_file_hash(file_path, hash_name) == expected