added covarage

api/app/core/propagation.py

@@ -4,6 +4,8 @@ from dataclasses import dataclass
 from math import log10
 
 from app.core.geo import GeoPoint, haversine
+from app.core.itm import itm_path_loss, p1812_path_loss
+from app.core.p452 import p452_path_loss
 
 
 @dataclass(frozen=True)
@@ -28,12 +30,71 @@ def fspl(freq_mhz: float, dist_km: float) -> float:
     return 32.44 + 20 * log10(freq_mhz) + 20 * log10(dist_km)
 
 
-def itm_loss(*args: object, **kwargs: object) -> float:
-    raise NotImplementedError("Longley-Rice ITM integration is implemented in a later stage")
+def itm_loss(
+    tx: GeoPoint,
+    rx: GeoPoint,
+    *,
+    tx_height_agl: float,
+    rx_height_agl: float,
+    freq_mhz: float,
+    elevation_profile_m: list[float] | None = None,
+    dem_path: str | None = None,
+) -> float:
+    return itm_path_loss(
+        tx,
+        rx,
+        tx_height_agl=tx_height_agl,
+        rx_height_agl=rx_height_agl,
+        freq_mhz=freq_mhz,
+        elevation_profile_m=elevation_profile_m,
+        dem_path=dem_path,
+    )
 
 
-def p1812_field(*args: object, **kwargs: object) -> float:
-    raise NotImplementedError("ITU-R P.1812 integration is implemented in a later stage")
+def p1812_field(
+    tx: GeoPoint,
+    rx: GeoPoint,
+    *,
+    tx_height_agl: float,
+    rx_height_agl: float,
+    freq_mhz: float,
+    environment: str = "rural",
+    elevation_profile_m: list[float] | None = None,
+    dem_path: str | None = None,
+) -> float:
+    return p1812_path_loss(
+        tx,
+        rx,
+        tx_height_agl=tx_height_agl,
+        rx_height_agl=rx_height_agl,
+        freq_mhz=freq_mhz,
+        environment=environment,
+        elevation_profile_m=elevation_profile_m,
+        dem_path=dem_path,
+    )
+
+
+def p452_loss(
+    tx: GeoPoint,
+    rx: GeoPoint,
+    *,
+    tx_height_agl: float,
+    rx_height_agl: float,
+    freq_mhz: float,
+    environment: str = "rural",
+    elevation_profile_m: list[float] | None = None,
+    dem_path: str | None = None,
+) -> float:
+    return p452_path_loss(
+        tx,
+        rx,
+        tx_height_agl=tx_height_agl,
+        rx_height_agl=rx_height_agl,
+        freq_mhz=freq_mhz,
+        environment=environment,
+        elevation_profile_m=elevation_profile_m,
+        dem_path=dem_path,
+    )
 
 
 def manual_link_budget(