python-barcode/test.py at python37 · srolin/python-barcode · GitHub

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# -*- coding: utf-8 -*-

from __future__ import unicode_literals, print_function

"""

Performs some tests with pyBarcode. All created barcodes where saved in the

tests subdirectory with a tests.html to watch them.

"""

__docformat__ = 'restructuredtext en'

import codecs

import os

import sys

import unittest

from barcode import get_barcode, get_barcode_class, version

try:

from barcode.writer import ImageWriter

except ImportError:

ImageWriter = None # lint:ok

PATH = os.path.dirname(os.path.abspath(__file__))

TESTPATH = os.path.join(PATH, 'tests')

HTMLFILE = os.path.join(TESTPATH, 'index.html')

HTML = """<!DOCTYPE html>

<html>

<head>

<title>pyBarcode {version} Test</title>

</head>

<body>

<h1>pyBarcode {version} Tests</h1>

{body}

</body>

</html>

"""

OBJECTS = ('<p><h2>{name}</h2><br>\n'

'<img src="{filename}" alt="SVG {name}">\n')

IMAGES = ('<h3>As PNG-Image</h3><br>\n'

'<img src="{filename}" alt="PNG {name}"></p>\n')

NO_PIL = '<h3>PIL was not found. No PNG-Image created.</h3></p>\n'

TESTCODES = (

('ean8', '40267708'),

('ean13', '5901234123457'),

('ean14', '12345678911230'),

('upca', '36000291453'),

('jan', '4901234567894'),

('isbn10', '3-12-517154-7'),

('isbn13', '978-3-16-148410-0'),

('issn', '1144875X'),

('code39', 'Example Code 39'),

('pzn', '487780'),

('code128', 'Example Code 128 998866'),

('itf', '12341234'),

)

def test():

if not os.path.isdir(TESTPATH):

try:

os.mkdir(TESTPATH)

except OSError as e:

print('Test not run.')

print('Error:', e)

sys.exit(1)

objects = []

append = lambda x, y: objects.append(OBJECTS.format(filename=x, name=y))

append_img = lambda x, y: objects.append(IMAGES.format(filename=x, name=y))

options = dict(module_width=0.495, module_height=25.0)

for codename, code in TESTCODES:

bcode = get_barcode(codename, code)

if codename.startswith('i'):

options['center_text'] = False

else:

options['center_text'] = True

filename = bcode.save(os.path.join(TESTPATH, codename),

options=options)

print('Code: {0}, Input: {1}, Output: {2}'.format(

bcode.name, code, bcode.get_fullcode()))

append(os.path.basename(filename), bcode.name)

if ImageWriter is not None:

bcodec = get_barcode_class(codename)

bcode = bcodec(code, writer=ImageWriter())

opts = dict(font_size=14, text_distance=1)

if codename.startswith('i'):

opts['center_text'] = False

else:

opts['center_text'] = True

filename = bcode.save(os.path.join(TESTPATH, codename),

options=opts)

append_img(os.path.basename(filename), bcode.name)

else:

objects.append(NO_PIL)

# Save htmlfile with all objects

with codecs.open(HTMLFILE, 'w', encoding='utf-8') as f:

obj = '\n'.join(objects)

f.write(HTML.format(version=version, body=obj))

class TestBarcodeBuilds(unittest.TestCase):

def test_ean8(self):

ref = ('1010100011000110100100110101111010101000100'

'100010011100101001000101')

ean = get_barcode('ean8', '40267708')

bc = ean.build()

self.assertEqual(ref, bc[0])

class TestChecksums(unittest.TestCase):

def test_code39(self):

code39 = get_barcode('code39', 'Code39')

self.assertEqual('CODE39W', code39.get_fullcode())

def test_pzn(self):

pzn = get_barcode('pzn', '103940')

self.assertEqual('PZN-1039406', pzn.get_fullcode())

def test_ean13(self):

ean = get_barcode('ean13', '400614457735')

self.assertEqual('4006144577350', ean.get_fullcode())

def test_ean8(self):

ean = get_barcode('ean8', '6032299')

self.assertEqual('60322999', ean.get_fullcode())

def test_jan(self):

jan = get_barcode('jan', '491400614457')

self.assertEqual('4914006144575', jan.get_fullcode())

def test_ean14(self):

ean = get_barcode('ean14', '1234567891258')

self.assertEqual('12345678912589', ean.get_fullcode())

def test_isbn10(self):

isbn = get_barcode('isbn10', '376926085')

self.assertEqual('3769260856', isbn.isbn10)

def test_isbn13(self):

isbn = get_barcode('isbn13', '978376926085')

self.assertEqual('9783769260854', isbn.get_fullcode())

if __name__ == '__main__':

test()

print('\nNow open {htmlfile} in your browser.'.format(htmlfile=HTMLFILE))

if '-v' not in sys.argv:

sys.argv.append('-v')

unittest.main()

python-barcode/test.py at python37 · srolin/python-barcode · GitHub

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