python-escpos/test/test_load_module.py

32 lines
907 B
Python

#!/usr/bin/python
"""very basic test cases that load the classes
:author: `Patrick Kanzler <patrick.kanzler@fablab.fau.de>`_ and others
:organization: Bashlinux and `python-escpos <https://github.com/python-escpos>`_
:copyright: Copyright (c) 2016 `python-escpos <https://github.com/python-escpos>`_
:license: GNU GPL v3
"""
from nose.tools import with_setup
import escpos.printer as printer
import os
def setup_testfile():
"""create a testfile as devfile"""
fhandle = open('testfile', 'a')
try:
os.utime('testfile', None)
finally:
fhandle.close()
def teardown_testfile():
"""destroy testfile again"""
os.remove('testfile')
@with_setup(setup_testfile, teardown_testfile)
def test_instantiation():
"""test the instantiation of a escpos-printer class and basic printing"""
instance = printer.File(devfile='testfile')
instance.text('This is a test\n')