Current File : //usr/share/doc/python3-reportlab/tests/test_images.py
#! /usr/bin/python3
#Copyright ReportLab Europe Ltd. 2000-2017
#see license.txt for license details
__version__='3.3.0'
__doc__="""Tests to do with image handling.
Most of them make use of test\\pythonpowereed.gif."""
from reportlab.lib.testutils import setOutDir,makeSuiteForClasses, printLocation
setOutDir(__name__)
import os
import unittest
from hashlib import md5
from reportlab.lib.utils import ImageReader
"""To avoid depending on external stuff, I made a small 5x5 image and
attach its 'file contents' here in several formats.
The image looks like this, with K=black, R=red, G=green, B=blue, W=white.
K R G B W
K R G B W
K R G B W
K R G B W
K R G B W
"""
sampleRAW = '\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff'
samplePNG = '\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x05\x00\x00\x00\x05\x08\x02\x00\x00\x00\x02\r\xb1\xb2\x00\x00\x00:IDATx\x9cb```\xf8\x0f\xc3\xff\xff\xff\x07\x00\x00\x00\xff\xffbb@\x05\x00\x00\x00\x00\xff\xffB\xe7\x03\x00\x00\x00\xff\xffB\xe7\x03\x00\x00\x00\xff\xffB\xe7\x03\x00\x00\x00\xff\xff\x03\x00\x9e\x01\x06\x03\x03\xc4A\xb4\x00\x00\x00\x00IEND\xaeB`\x82'
class ReaderTestCase(unittest.TestCase):
"Simplest tests to import images, work under Jython or PIL"
def test(self):
from reportlab.lib.testutils import testsFolder
from reportlab.lib.utils import rl_isfile
imageFileName = os.path.join(testsFolder,'pythonpowered.gif')
assert rl_isfile(imageFileName), "%s not found!" % imageFileName
ir = ImageReader(imageFileName)
assert ir.getSize() == (110,44)
pixels = ir.getRGBData()
assert md5(pixels).hexdigest() == '02e000bf3ffcefe9fc9660c95d7e27cf'
def testUseA85(self):
'''test for bitbucket PR #59 by Vytis Banaitis'''
from reportlab import rl_config
from reportlab.pdfgen.canvas import Canvas
old = rl_config.useA85
try:
for v in 1, 0:
rl_config.useA85 = v
c = Canvas('test_useA85%s.pdf' % v)
c.drawImage('test-rgba.png', 0,0)
c.showPage()
c.save()
finally:
rl_config.useA85 = old
def makeSuite():
return makeSuiteForClasses(ReaderTestCase)
#noruntests
if __name__ == "__main__":
unittest.TextTestRunner().run(makeSuite())
printLocation()
Mini Shell