Add unit coverage for digital pointer CoT payloads

src/cot/digital_pointer.rs

@@ -45,3 +45,34 @@ impl DigitalPointerPayload {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::DigitalPointerPayload;
+    use arma_rs::FromArma;
+
+    #[test]
+    fn parses_digital_pointer_and_maps_spi_contract() {
+        let payload = DigitalPointerPayload::from_arma(
+            r#"["operator-1","Falcon SPI",-30.1,-51.2,20.0]"#.to_string(),
+        )
+        .expect("digital pointer should parse");
+
+        assert_eq!(payload.link_uid, "operator-1");
+        assert_eq!(payload.contact_callsign, "Falcon SPI");
+
+        let cot = payload.to_cot();
+        assert_eq!(cot.uuid.as_deref(), Some("operator-1.SPI1"));
+        assert_eq!(cot.r#type.as_deref(), Some("b-m-p-s-p-i"));
+        assert_eq!(cot.point_lat, -30.1);
+        assert_eq!(cot.point_lon, -51.2);
+        assert_eq!(cot.point_hae, 20.0);
+        assert_eq!(cot.contact_callsign, "Falcon SPI");
+        assert_eq!(cot.link_uid.as_deref(), Some("operator-1"));
+        assert_eq!(cot.stale_seconds, Some(7));
+        assert!(cot.group_name.is_none());
+        assert!(cot.track_course.is_none());
+        assert!(cot.remarker.is_none());
+        assert!(cot.video_url.is_none());
+    }
+}