python-escpos/test/test_load_module.py

39 lines
1.0 KiB
Python

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