feat: config file

refactor: as the config module changed
test: add test for config
test: add test for local fetcher and local enrichers
test: add test for manual insertion
fix: some random bugs left by the last commit

tests/test_config.py

@@ -0,0 +1,59 @@
+import pytest
+
+from lrx_cli.config import AppConfig, CredentialConfig, WatchConfig, load_config
+
+
+def test_missing_file_returns_defaults(tmp_path):
+    assert load_config(tmp_path / "nonexistent.toml") == AppConfig()
+
+
+def test_empty_file_returns_defaults(tmp_path):
+    p = tmp_path / "config.toml"
+    p.write_text("")
+    assert load_config(p) == AppConfig()
+
+
+def test_partial_section_keeps_other_defaults(tmp_path):
+    p = tmp_path / "config.toml"
+    p.write_bytes(b"[watch]\ndebounce_ms = 200\n")
+    cfg = load_config(p)
+    assert cfg.watch.debounce_ms == 200
+    assert cfg.watch.calibration_interval_s == WatchConfig().calibration_interval_s
+
+
+def test_credentials_roundtrip(tmp_path):
+    p = tmp_path / "config.toml"
+    p.write_bytes(
+        b"[credentials]\n"
+        b'spotify_sp_dc = "abc"\n'
+        b'qq_music_api_url = "http://localhost:3000"\n'
+    )
+    assert load_config(p).credentials == CredentialConfig(
+        spotify_sp_dc="abc", qq_music_api_url="http://localhost:3000"
+    )
+
+
+def test_int_coerced_to_float(tmp_path):
+    p = tmp_path / "config.toml"
+    p.write_bytes(b"[general]\nhttp_timeout = 5\n")
+    assert load_config(p).general.http_timeout == 5.0
+
+
+def test_unknown_key_raises(tmp_path):
+    p = tmp_path / "config.toml"
+    p.write_bytes(b"[general]\ntypo_key = 1\n")
+    with pytest.raises(ValueError, match="Unknown config keys"):
+        load_config(p)
+
+
+def test_wrong_type_raises(tmp_path):
+    p = tmp_path / "config.toml"
+    p.write_bytes(b"[watch]\ndebounce_ms = true\n")
+    with pytest.raises(ValueError, match="expected int"):
+        load_config(p)
+
+
+def test_app_config_is_frozen():
+    cfg = AppConfig()
+    with pytest.raises(Exception):
+        cfg.general = None  # type: ignore[misc]