test(shared utils): write for nlb utils

Author: swarner1033

pkg/shared_utils/nlb_utils_test.go

@@ -0,0 +1,53 @@
+package shared_utils
+
+import (
+	"reflect"
+	"testing"
+
+	elbv2model "sigs.k8s.io/aws-load-balancer-controller/pkg/model/elbv2"
+)
+
+func TestMakeAttributesSliceFromMap(t *testing.T) {
+	tests := []struct {
+		name  string
+		input map[string]string
+		want  []elbv2model.LoadBalancerAttribute
+	}{
+		{
+			name:  "empty map",
+			input: map[string]string{},
+			want:  []elbv2model.LoadBalancerAttribute{},
+		},
+		{
+			name: "single attribute",
+			input: map[string]string{
+				"key1": "value1",
+			},
+			want: []elbv2model.LoadBalancerAttribute{
+				{Key: "key1", Value: "value1"},
+			},
+		},
+		{
+			name: "multiple attributes, unordered input",
+			input: map[string]string{
+				"zeta":  "last",
+				"alpha": "first",
+				"mid":   "middle",
+			},
+			want: []elbv2model.LoadBalancerAttribute{
+				{Key: "alpha", Value: "first"},
+				{Key: "mid", Value: "middle"},
+				{Key: "zeta", Value: "last"},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := MakeAttributesSliceFromMap(tt.input)
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("MakeAttributesSliceFromMap() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}