Files
govoplan/tests/test_python_environment_sync.py
Albrecht Degering 1aea3e7c4f
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fix: repair dev modules and scoped release git trust
2026-07-29 20:54:58 +02:00

153 lines
6.2 KiB
Python

from __future__ import annotations
import hashlib
import importlib.util
from pathlib import Path
import sys
import tempfile
import unittest
META_ROOT = Path(__file__).resolve().parents[1]
SCRIPT = META_ROOT / "tools" / "repo" / "sync-python-environment.py"
def load_sync_module():
spec = importlib.util.spec_from_file_location("sync_python_environment", SCRIPT)
if spec is None or spec.loader is None:
raise RuntimeError(f"Could not load {SCRIPT}")
module = importlib.util.module_from_spec(spec)
sys.modules[spec.name] = module
spec.loader.exec_module(module)
return module
class PythonEnvironmentSyncTests(unittest.TestCase):
def test_stale_local_projects_share_one_resolver_transaction(self) -> None:
sync = load_sync_module()
with tempfile.TemporaryDirectory(prefix="govoplan-python-sync-") as directory:
root = Path(directory)
requirements = root / "requirements-dev.txt"
requirements.write_text("-e ./govoplan-core\n-e ./govoplan-access\n", encoding="utf-8")
for project in ("govoplan-core", "govoplan-access"):
project_root = root / project
project_root.mkdir()
(project_root / "pyproject.toml").write_text(
f'[project]\nname = "{project}"\nversion = "0.1.10"\n',
encoding="utf-8",
)
local_requirements = sync.local_requirement_entries(requirements)
fingerprint = sync.build_fingerprint(
requirements=requirements,
python="/test/venv/bin/python",
local_requirements=local_requirements,
)
requirements_digest = hashlib.sha256(requirements.read_bytes()).hexdigest()
previous = {
"version": sync.STAMP_VERSION,
"python": "/test/venv/bin/python",
"inputs": [
{"path": str(requirements), "sha256": requirements_digest},
*(
{"path": entry.pyproject, "sha256": "stale"}
for entry in local_requirements
),
],
"requirements_entries": [
entry.as_dict() for entry in sync.parse_requirement_entries(requirements)
],
}
plan = sync.build_install_plan(
previous=previous,
fingerprint=fingerprint,
requirements=requirements,
python="/test/venv/bin/python",
local_requirements=local_requirements,
force=False,
)
self.assertEqual(plan.mode, "Selective Python environment sync")
self.assertIn("one resolver transaction", plan.reason)
self.assertEqual(len(plan.commands), 1)
command = plan.commands[0]
self.assertEqual(command[:5], ("/test/venv/bin/python", "-m", "pip", "install", "-e"))
self.assertEqual(command.count("-e"), 2)
self.assertIn(str(root / "govoplan-core"), command)
self.assertIn(str(root / "govoplan-access"), command)
def test_missing_editable_distribution_is_not_hidden_by_current_stamp(self) -> None:
sync = load_sync_module()
with tempfile.TemporaryDirectory(prefix="govoplan-python-sync-") as directory:
root = Path(directory)
project_root = root / "govoplan-probe-missing"
project_root.mkdir()
(project_root / "pyproject.toml").write_text(
"\n".join(
(
"[project]",
'name = "govoplan-probe-definitely-not-installed"',
'version = "0.1.0"',
"",
'[project.entry-points."govoplan.modules"]',
'probe_missing = "govoplan_probe.backend.manifest:get_manifest"',
"",
)
),
encoding="utf-8",
)
requirements = root / "requirements-dev.txt"
requirements.write_text("-e ./govoplan-probe-missing\n", encoding="utf-8")
entries = sync.local_requirement_entries(requirements)
validation = sync.validate_local_installations(sys.executable, entries)
plan = sync.build_environment_repair_plan(
python=sys.executable,
stale_requirements=validation.stale_requirements,
)
self.assertFalse(validation.current)
self.assertEqual(validation.stale_requirements, entries)
self.assertIn("distribution is not installed", validation.issues[0])
self.assertEqual(plan.mode, "Selective Python environment repair")
self.assertEqual(plan.commands[0][-2:], ("-e", str(project_root)))
def test_declared_module_entry_points_are_part_of_environment_validation(self) -> None:
sync = load_sync_module()
with tempfile.TemporaryDirectory(prefix="govoplan-python-sync-") as directory:
root = Path(directory)
project_root = root / "govoplan-probe"
project_root.mkdir()
(project_root / "pyproject.toml").write_text(
"\n".join(
(
"[project]",
'name = "govoplan-probe"',
'version = "0.1.0"',
"",
'[project.entry-points."govoplan.modules"]',
'probe = "govoplan_probe.backend.manifest:get_manifest"',
"",
)
),
encoding="utf-8",
)
requirements = root / "requirements-dev.txt"
requirements.write_text("-e ./govoplan-probe\n", encoding="utf-8")
expectations = sync.local_installation_expectations(
sync.local_requirement_entries(requirements)
)
self.assertEqual(len(expectations), 1)
self.assertEqual(expectations[0].distribution, "govoplan-probe")
self.assertEqual(
expectations[0].entry_points,
(("govoplan.modules", "probe", "govoplan_probe.backend.manifest:get_manifest"),),
)
if __name__ == "__main__":
unittest.main()