coulomb-social/tests/conftest.py
tegwick 881a61d107
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Use-case regression gate / usecase-regressions (push) Failing after 7m9s
Isolate browser database connections and close test streams once
Assistant: codex
Assistant-Model: gpt-6.1-sol
Assistant-Session: 01a11538-05ea-7b63-b3c7-a2df5f38898d
2026-10-07 13:55:59 +02:00

46 lines
1.7 KiB
Python

"""Keep registered use-case coverage present before any marker deselection."""
import pytest
from tests.usecases.registry import load_cases, validate_coverage
@pytest.fixture(scope="session")
def django_db_modify_db_settings(
tmp_path_factory, django_db_modify_db_settings_parallel_suffix,
):
"""Give browser request threads separate connections to an isolated database.
Django's in-memory live-server path shares one SQLite connection between
request threads. Parallel private-image reads race its debug-query cursor.
A per-run/worker temporary file preserves transactions and permits the same
concurrent browser traffic as the app's PostgreSQL deployment.
"""
from django.conf import settings
directory = tmp_path_factory.mktemp("csoc-test-db")
settings.DATABASES["default"].setdefault("TEST", {})["NAME"] = str(
directory / "test.sqlite3"
)
def pytest_addoption(parser):
parser.addoption("--verify-usecases", action="store_true",
help="Fail if established use cases lose registered test coverage")
@pytest.hookimpl(tryfirst=True)
def pytest_collection_modifyitems(config, items):
if not config.getoption("--verify-usecases"):
return
collected = {}
for item in items:
collected[item.nodeid] = {
"usecases": {m.args[0] for m in item.iter_markers("usecase") if m.args},
"browser": item.get_closest_marker("browser") is not None,
"disabled": any(item.get_closest_marker(m) for m in ("skip", "skipif", "xfail")),
}
try:
validate_coverage(load_cases(), collected)
except (KeyError, ValueError, TypeError, OSError) as exc:
raise pytest.UsageError(f"Use-case regression contract failed: {exc}") from exc