feat: Project Scaffold and Docker Packaging

tests/test_state.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from tenbackward.state import load_posted, posted_path, save_posted
+
+
+def test_load_posted_creates_empty_when_missing(tmp_path: Path) -> None:
+    state = load_posted(tmp_path)
+    assert state == {}
+
+
+def test_round_trip_persists(tmp_path: Path) -> None:
+    state = {"post-1": {"posted_at": "2024-01-01T00:00:00Z"}}
+    save_posted(tmp_path, state)
+
+    assert posted_path(tmp_path).exists()
+    again = load_posted(tmp_path)
+    assert again == state
+
+
+def test_load_posted_handles_corrupt_file(tmp_path: Path) -> None:
+    posted_path(tmp_path).parent.mkdir(parents=True, exist_ok=True)
+    posted_path(tmp_path).write_text("not-json")
+    assert load_posted(tmp_path) == {}
+
+
+def test_save_posted_creates_parent_dirs(tmp_path: Path) -> None:
+    nested = tmp_path / "deep" / "data"
+    save_posted(nested, {"x": 1})
+    assert posted_path(nested).exists()