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import os
import warnings
from pathlib import Path
import pytest
from scrapy.utils.misc import set_environ
from scrapy.utils.project import data_path, get_project_settings
@pytest.fixture
def proj_path(tmp_path):
prev_dir = Path.cwd()
project_dir = tmp_path
try:
os.chdir(project_dir)
Path("scrapy.cfg").touch()
yield project_dir
finally:
os.chdir(prev_dir)
def test_data_path_outside_project():
assert str(Path(".scrapy", "somepath")) == data_path("somepath")
abspath = str(Path(os.path.sep, "absolute", "path"))
assert abspath == data_path(abspath)
def test_data_path_inside_project(proj_path: Path) -> None:
expected = proj_path / ".scrapy" / "somepath"
assert expected.resolve() == Path(data_path("somepath")).resolve()
abspath = str(Path(os.path.sep, "absolute", "path").resolve())
assert abspath == data_path(abspath)
class TestGetProjectSettings:
def test_valid_envvar(self):
value = "tests.test_cmdline.settings"
envvars = {
"SCRAPY_SETTINGS_MODULE": value,
}
with warnings.catch_warnings():
warnings.simplefilter("error")
with set_environ(**envvars):
settings = get_project_settings()
assert settings.get("SETTINGS_MODULE") == value
def test_invalid_envvar(self):
envvars = {
"SCRAPY_FOO": "bar",
}
with set_environ(**envvars):
settings = get_project_settings()
assert settings.get("SCRAPY_FOO") is None
def test_valid_and_invalid_envvars(self):
value = "tests.test_cmdline.settings"
envvars = {
"SCRAPY_FOO": "bar",
"SCRAPY_SETTINGS_MODULE": value,
}
with set_environ(**envvars):
settings = get_project_settings()
assert settings.get("SETTINGS_MODULE") == value
assert settings.get("SCRAPY_FOO") is None
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