add ut

pkg/util/util_test.go

@@ -600,3 +600,55 @@ users:
 		}
 	}
 }
+
+func TestWaitUntilTimeout(t *testing.T) {
+	tests := []struct {
+		desc        string
+		timeout     time.Duration
+		execFunc    ExecFunc
+		timeoutFunc TimeoutFunc
+		expectedErr error
+	}{
+		{
+			desc:    "execFunc returns error",
+			timeout: 1 * time.Second,
+			execFunc: func() error {
+				return fmt.Errorf("execFunc error")
+			},
+			timeoutFunc: func() error {
+				return fmt.Errorf("timeout error")
+			},
+			expectedErr: fmt.Errorf("execFunc error"),
+		},
+		{
+			desc:    "execFunc timeout",
+			timeout: 1 * time.Second,
+			execFunc: func() error {
+				time.Sleep(2 * time.Second)
+				return nil
+			},
+			timeoutFunc: func() error {
+				return fmt.Errorf("timeout error")
+			},
+			expectedErr: fmt.Errorf("timeout error"),
+		},
+		{
+			desc:    "execFunc completed successfully",
+			timeout: 1 * time.Second,
+			execFunc: func() error {
+				return nil
+			},
+			timeoutFunc: func() error {
+				return fmt.Errorf("timeout error")
+			},
+			expectedErr: nil,
+		},
+	}
+
+	for _, test := range tests {
+		err := WaitUntilTimeout(test.timeout, test.execFunc, test.timeoutFunc)
+		if err != nil && (err.Error() != test.expectedErr.Error()) {
+			t.Errorf("unexpected error: %v, expected error: %v", err, test.expectedErr)
+		}
+	}
+}