prole/tests/installer/test_namespace_propagation.py

89 lines
2.7 KiB
Python

import sys
import time
import tkinter as tk
from unittest.mock import MagicMock
import pytest
from knoe.ui.screens.cfg import ConfigMixin
class _DummyNamespaceApp(ConfigMixin):
"""Minimal surface to exercise `ConfigMixin._propagate_namespace_change`."""
def __init__(self, root: tk.Tk):
self.root = root
# Keep the test fast and deterministic.
# Use a debounce long enough that the scheduled `after()` callback will not
# run between the simulated keystrokes (which call `root.update()`).
self._namespace_debounce_ms = 100
self.db_namespace = tk.StringVar(master=root, value="old-db")
self.service_namespace = tk.StringVar(master=root, value="knoe-system")
# Independent namespaces that must not be rewritten.
self.gitops_namespace = tk.StringVar(master=root, value="gitea")
self.argocd_namespace = tk.StringVar(master=root, value="argocd")
self._last_synced_ns = self.db_namespace.get()
# Inputs dict is used by the sweep logic; include a service namespace entry
# to ensure it is not touched.
self.inputs = {
"init_cluster.service_namespace": self.service_namespace.get(),
}
self.save_calls = 0
self.updated_namespace = None
def _update_env_namespace(self, namespace: str):
self.updated_namespace = namespace
def _save_knoe_cfg(self):
self.save_calls += 1
def _drain_tk_events(root: tk.Tk, timeout_s: float = 0.2) -> None:
end = time.monotonic() + timeout_s
while time.monotonic() < end:
root.update()
time.sleep(0.001)
def test_namespace_typing_does_not_corrupt_service_namespace():
# Some test modules replace tkinter with MagicMocks at import-time.
if isinstance(sys.modules.get("tkinter"), MagicMock):
pytest.skip("tkinter is mocked in this test run")
root = tk.Tk()
root.withdraw()
try:
app = _DummyNamespaceApp(root)
app.db_namespace.trace_add("write", app._propagate_namespace_change)
# Simulate typing a new namespace in the UI entry box.
for partial in [
"k",
"kn",
"kno",
"knoe",
"knoe-",
"knoe-d",
"knoe-db",
]:
app.db_namespace.set(partial)
root.update()
_drain_tk_events(root, timeout_s=0.3)
# Regression: SERVICE_NAMESPACE must remain unchanged.
assert app.service_namespace.get() == "knoe-system"
# Debounced propagation should result in a single save.
assert app.save_calls == 1
finally:
try:
root.destroy()
except Exception:
pass