From 9cde79b36064d67d802e7f8d4df08d3fd9ff3a70 Mon Sep 17 00:00:00 2001
From: fmoletta <99273364+fmoletta@users.noreply.github.com>
Date: Tue, 3 Oct 2023 01:44:55 +0300
Subject: [PATCH] Add testing util CheckScopeVar` (#308)

---
 pkg/hints/hint_utils/testing_utils.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/pkg/hints/hint_utils/testing_utils.go b/pkg/hints/hint_utils/testing_utils.go
index 46403f07..a52ddb0d 100644
--- a/pkg/hints/hint_utils/testing_utils.go
+++ b/pkg/hints/hint_utils/testing_utils.go
@@ -1,8 +1,12 @@
 package hint_utils
 
 import (
+	"reflect"
+	"testing"
+
 	"github.com/lambdaclass/cairo-vm.go/pkg/lambdaworks"
 	"github.com/lambdaclass/cairo-vm.go/pkg/parser"
+	"github.com/lambdaclass/cairo-vm.go/pkg/types"
 	. "github.com/lambdaclass/cairo-vm.go/pkg/vm"
 	"github.com/lambdaclass/cairo-vm.go/pkg/vm/memory"
 )
@@ -56,3 +60,13 @@ func SetupConstantsForTest(new_constants map[string]lambdaworks.Felt, ids *IdsMa
 	}
 	return constants
 }
+
+func CheckScopeVar[T any](name string, expectedVal T, scopes *types.ExecutionScopes, t *testing.T) {
+	val, err := types.FetchScopeVar[T](name, scopes)
+	if err != nil {
+		t.Error(err.Error())
+	}
+	if !reflect.DeepEqual(val, expectedVal) {
+		t.Errorf("Wrong scope var %s.\n Expected: %v, got: %v", name, expectedVal, val)
+	}
+}