closed TG-1; git was inited;

tests/test_config.py

@@ -0,0 +1,39 @@
+import os
+from pathlib import Path
+
+from ais_hub.config import Config, load_config
+
+
+def test_defaults_when_no_file():
+    cfg = load_config(None)
+    assert isinstance(cfg, Config)
+    assert cfg.ingest.ais_udp.port == 4001
+    assert cfg.publish.udp_tx_outbox.port == 6010
+    assert cfg.publish.udp_nmea.port == 6007
+    assert cfg.publish.udp_events.port == 7001
+
+
+def test_yaml_overrides(tmp_path: Path):
+    p = tmp_path / "c.yaml"
+    p.write_text(
+        "ingest:\n"
+        "  ais_udp:\n"
+        "    port: 5555\n"
+        "publish:\n"
+        "  http:\n"
+        "    port: 9090\n",
+        encoding="utf-8",
+    )
+    cfg = load_config(p)
+    assert cfg.ingest.ais_udp.port == 5555
+    assert cfg.publish.http.port == 9090
+    # Untouched defaults remain.
+    assert cfg.publish.udp_nmea.port == 6007
+
+
+def test_env_overrides(tmp_path: Path, monkeypatch):
+    monkeypatch.setenv("AIS_HUB_PUBLISH__HTTP__PORT", "7070")
+    monkeypatch.setenv("AIS_HUB_STORAGE__STORE_RAW_NMEA", "true")
+    cfg = load_config(None)
+    assert cfg.publish.http.port == 7070
+    assert cfg.storage.store_raw_nmea is True