audit: add hashstructure

audit/hashstructure_test.go

@@ -0,0 +1,45 @@
+package audit
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestHashWalker(t *testing.T) {
+	replaceText := "foo"
+
+	cases := []struct {
+		Input  interface{}
+		Output interface{}
+	}{
+		{
+			map[string]interface{}{
+				"hello": "foo",
+			},
+			map[string]interface{}{
+				"hello": replaceText,
+			},
+		},
+
+		{
+			map[string]interface{}{
+				"hello": []interface{}{"world"},
+			},
+			map[string]interface{}{
+				"hello": []interface{}{replaceText},
+			},
+		},
+	}
+
+	for _, tc := range cases {
+		output, err := HashStructure(tc.Input, func(string) (string, error) {
+			return replaceText, nil
+		})
+		if err != nil {
+			t.Fatalf("err: %s\n\n%#v", err, tc.Input)
+		}
+		if !reflect.DeepEqual(output, tc.Output) {
+			t.Fatalf("bad:\n\n%#v\n\n%#v", tc.Input, output)
+		}
+	}
+}