mirror of https://github.com/scrapy/scrapy.git
41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
from __future__ import annotations
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from shutil import copytree
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from typing import TYPE_CHECKING
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import pytest
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from tests.utils.cmdline import call
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if TYPE_CHECKING:
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from pathlib import Path
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class TestProjectBase:
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"""A base class for tests that may need a Scrapy project."""
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project_name = "testproject"
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@pytest.fixture(scope="session")
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def _proj_path_cached(self, tmp_path_factory: pytest.TempPathFactory) -> Path:
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"""Create a Scrapy project in a temporary directory and return its path.
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Used as a cache for ``proj_path``.
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"""
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tmp_path = tmp_path_factory.mktemp("proj")
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call("startproject", self.project_name, cwd=tmp_path)
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return tmp_path / self.project_name
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@pytest.fixture
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def proj_path(self, tmp_path: Path, _proj_path_cached: Path) -> Path:
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"""Copy a pre-generated Scrapy project into a temporary directory and return its path."""
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proj_path = tmp_path / self.project_name
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copytree(_proj_path_cached, proj_path)
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return proj_path
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@staticmethod
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def _append_settings(proj_mod_path: Path, text: str) -> None:
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"""Add text to the end of the project settings.py."""
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with (proj_mod_path / "settings.py").open("a", encoding="utf-8") as f:
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f.write(text)
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