WIP

tests/test_dev_autoreload.py

@@ -0,0 +1,61 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from django.utils import autoreload
+from watchfiles import Change
+
+from config.dev_autoreload import TussilagoWatchfilesReloader
+from config.dev_autoreload import build_project_watch_roots
+
+if TYPE_CHECKING:
+    from pathlib import Path
+
+    import pytest
+
+
+def test_build_project_watch_roots_excludes_firecracker(tmp_path: Path) -> None:
+    """Project watch roots should skip firecracker and hidden directories."""
+    (tmp_path / "config").mkdir()
+    (tmp_path / "control_plane").mkdir()
+    (tmp_path / "firecracker").mkdir()
+    (tmp_path / ".venv").mkdir()
+    (tmp_path / "static").mkdir()
+
+    assert build_project_watch_roots(tmp_path) == (
+        tmp_path / "config",
+        tmp_path / "control_plane",
+        tmp_path / "static",
+    )
+
+
+def test_reloader_replaces_repo_root_with_child_dirs(
+    tmp_path: Path,
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    """Repo root watch should be split so firecracker is excluded."""
+    (tmp_path / "config").mkdir()
+    (tmp_path / "control_plane").mkdir()
+    (tmp_path / "firecracker").mkdir()
+    (tmp_path / "static").mkdir()
+
+    watched_settings = tmp_path / "config" / "settings.py"
+    watched_settings.touch()
+    firecracker_config = tmp_path / "firecracker" / "vm_config.json"
+    firecracker_config.touch()
+
+    monkeypatch.setattr(
+        autoreload,
+        "sys_path_directories",
+        lambda: iter((tmp_path, tmp_path / "config")),
+    )
+
+    reloader = TussilagoWatchfilesReloader(project_root=tmp_path)
+    roots = reloader.watched_roots((tmp_path / "manage.py", watched_settings))
+
+    assert tmp_path not in roots
+    assert tmp_path / "config" in roots
+    assert tmp_path / "control_plane" in roots
+    assert tmp_path / "static" in roots
+    assert tmp_path / "firecracker" not in roots
+    assert reloader.file_filter(Change.added, str(firecracker_config)) is False