feat: add Flutter mobile clients and staff delivery API

backend/api/internal/logic/client/staff/delivery_test.go

@@ -0,0 +1,55 @@
+package staff
+
+import (
+	"testing"
+	"time"
+
+	base "git.apinb.com/heqiapp/platforms/backend/api/internal/logic/common"
+)
+
+func TestDeliveryAllowedActions(t *testing.T) {
+	tests := map[int][]string{
+		base.StatusReady:                {"start"},
+		base.StatusDelivering:           {"append_tracks", "arrive", "exception"},
+		base.StatusAwaitingConfirmation: {"submit_receipt", "exception"},
+		base.StatusException:            {"recover"},
+	}
+	for status, expected := range tests {
+		actual := deliveryAllowedActions(status)
+		if len(actual) != len(expected) {
+			t.Fatalf("status %d actions = %v, want %v", status, actual, expected)
+		}
+		for index := range expected {
+			if actual[index] != expected[index] {
+				t.Fatalf("status %d actions = %v, want %v", status, actual, expected)
+			}
+		}
+	}
+	if actions := deliveryAllowedActions(base.StatusCompleted); len(actions) != 0 {
+		t.Fatalf("completed order exposed actions: %v", actions)
+	}
+}
+
+func TestCoordinateDistanceMeters(t *testing.T) {
+	distance, ok := coordinateDistanceMeters("121.5500", "31.2250", "121.5501", "31.2251")
+	if !ok || distance <= 0 || distance >= 20 {
+		t.Fatalf("unexpected nearby distance: %f, valid=%v", distance, ok)
+	}
+	if _, ok := coordinateDistanceMeters("invalid", "31.2250", "121.5501", "31.2251"); ok {
+		t.Fatal("invalid coordinate accepted")
+	}
+}
+
+func TestValidTrackPoint(t *testing.T) {
+	point := deliveryTrackPointRequest{
+		RequestNo: "track-1", Longitude: "121.55", Latitude: "31.22",
+		OccurredAt: time.Now(), Source: "gps",
+	}
+	if !validTrackPoint(point) {
+		t.Fatal("valid track point rejected")
+	}
+	point.Latitude = "91"
+	if validTrackPoint(point) {
+		t.Fatal("out-of-range latitude accepted")
+	}
+}