up

internal/app/gameplay_errors.go

@@ -16,5 +16,8 @@ func gameplayErrorStatus(err error, internalMessage string) error {
 	if errors.Is(err, gameplay_service.ErrGameNotFound) {
 		return status.Error(codes.NotFound, gameplay_service.ErrGameNotFound.Error())
 	}
+	if errors.Is(err, gameplay_service.ErrMovesNotAllowed) {
+		return status.Error(codes.FailedPrecondition, gameplay_service.ErrMovesNotAllowed.Error())
+	}
 	return status.Error(codes.Internal, internalMessage)
 }

internal/app/gameplay_errors_test.go

@@ -0,0 +1,22 @@
+package app
+
+import (
+	"errors"
+	"fmt"
+	"testing"
+
+	"evening_detective_server/internal/services/gameplay_service"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func TestGameplayMoveErrorIsSafe(t *testing.T) {
+	mapped := gameplayErrorStatus(fmt.Errorf("private detail: %w", gameplay_service.ErrMovesNotAllowed), "не удалось сделать ход")
+	if status.Code(mapped) != codes.FailedPrecondition || status.Convert(mapped).Message() != gameplay_service.ErrMovesNotAllowed.Error() {
+		t.Fatalf("unexpected move error: %v", mapped)
+	}
+	mapped = gameplayErrorStatus(errors.New("private database detail"), "не удалось сделать ход")
+	if status.Code(mapped) != codes.Internal || status.Convert(mapped).Message() != "не удалось сделать ход" {
+		t.Fatalf("unsafe internal error: %v", mapped)
+	}
+}