Files
mdb/tests/test_settings.py

58 lines
1.8 KiB
Python

"""How mdbsite.settings loads production's settings, in a fresh interpreter each time,
since the settings module is imported once per process."""
import os
import subprocess
import sys
from pathlib import Path
ROOT = Path(__file__).resolve().parents[1]
PRINT = (
"import django, os; os.environ['DJANGO_SETTINGS_MODULE'] = 'mdbsite.settings'; "
"django.setup(); from django.conf import settings as s; print(s.ALLOWED_HOSTS, s.DEBUG)"
)
def run(env):
return subprocess.run(
[sys.executable, "-c", PRINT],
cwd=ROOT,
env={
k: v
for k, v in os.environ.items()
if k not in ("MDB_SETTINGS", "DJANGO_DEBUG")
}
| env,
capture_output=True,
text=True,
)
def test_settings_file_overrides(tmp_path):
f = tmp_path / "settings.py"
f.write_text("ALLOWED_HOSTS = ['mdb.example.org']\n")
result = run({"MDB_SETTINGS": str(f)})
assert result.returncode == 0, result.stderr
assert result.stdout.strip() == "['mdb.example.org'] False"
def test_failing_settings_file_stops_mdb(tmp_path):
# As on sega after the 24.04 upgrade: python-ldap would not load, and the old
# `except ImportError: pass` left MDB running on the defaults.
f = tmp_path / "settings.py"
f.write_text("import a_module_that_does_not_exist\n")
result = run({"MDB_SETTINGS": str(f)})
assert result.returncode != 0
assert "a_module_that_does_not_exist" in result.stderr
def test_missing_settings_file_stops_mdb(tmp_path):
result = run({"MDB_SETTINGS": str(tmp_path / "missing.py")})
assert result.returncode != 0
def test_debug_is_off_unless_asked():
assert run({}).stdout.strip().endswith("False")
assert run({"DJANGO_DEBUG": "1"}).stdout.strip().endswith("True")