init push

internal/service/sort_helper_test.go

@@ -0,0 +1,31 @@
+package service
+
+import "testing"
+
+func TestNormalizeSortByRules(t *testing.T) {
+	t.Run("field asc and desc", func(t *testing.T) {
+		if got := normalizeSortByRules("name", sortField("name")); got != "name ASC" {
+			t.Fatalf("unexpected asc sort: %q", got)
+		}
+		if got := normalizeSortByRules("-name", sortField("name")); got != "name DESC" {
+			t.Fatalf("unexpected desc sort: %q", got)
+		}
+	})
+
+	t.Run("alias and custom expression", func(t *testing.T) {
+		got := normalizeSortByRules("sort_order", sortExpr("sort_order ASC, created_at DESC", "sort_order DESC, created_at DESC", "sort_order"))
+		if got != "sort_order ASC, created_at DESC" {
+			t.Fatalf("unexpected custom sort: %q", got)
+		}
+		got = normalizeSortByRules("-hospital_name", sortField("hospital_name", "name", "hospital_name"))
+		if got != "hospital_name DESC" {
+			t.Fatalf("unexpected alias sort: %q", got)
+		}
+	})
+
+	t.Run("unknown", func(t *testing.T) {
+		if got := normalizeSortByRules("unknown", sortField("name")); got != "" {
+			t.Fatalf("expected empty for unknown, got %q", got)
+		}
+	})
+}