From 1194c3ea1a4aba9d69cf3d5dc03193df47d9b424 Mon Sep 17 00:00:00 2001
From: Patrick Kanzler <dev@pkanzler.de>
Date: Sun, 3 Dec 2017 22:36:49 +0100
Subject: [PATCH] add test for CashDrawerError

---
 test/test_function_cashdraw.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 test/test_function_cashdraw.py

diff --git a/test/test_function_cashdraw.py b/test/test_function_cashdraw.py
new file mode 100644
index 0000000..4a8a8e9
--- /dev/null
+++ b/test/test_function_cashdraw.py
@@ -0,0 +1,19 @@
+#!/usr/bin/python
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
+import escpos.printer as printer
+from escpos.exceptions import CashDrawerError
+import pytest
+
+
+def test_raise_CashDrawerError():
+    """should raise an error if the sequence is invalid.
+    """
+    instance = printer.Dummy()
+    with pytest.raises(CashDrawerError):
+        # call with sequence that is too long
+        instance.cashdraw([1,1,1,1,1,1])
+