57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
#!/bin/env python
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#Copyright ReportLab Europe Ltd. 2000-2004
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#see license.txt for license details
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#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/test/test_invariant.py
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__version__=''' $Id'''
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__doc__="""Verfy that if in invariant mode, repeated runs
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make identical file. This does NOT test across platforms
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or python versions, only a user can do that :-)"""
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from reportlab.test import unittest
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from reportlab.test.utils import makeSuiteForClasses, outputfile, printLocation
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from reportlab.pdfgen.canvas import Canvas
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filename = outputfile('test_invariant.pdf')
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class InvarTestCase(unittest.TestCase):
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"Simplest test that makes PDF"
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def test(self):
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import os
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c = Canvas(filename, invariant=1, pageCompression=0)
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c.setFont('Helvetica-Bold', 36)
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c.drawString(100,700, 'Hello World')
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gif = os.path.join(os.path.dirname(unittest.__file__),'pythonpowered.gif')
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c.drawImage(gif,100,600)
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c.save()
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raw1 = open(filename, 'rb').read()
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c = Canvas(filename, invariant=1, pageCompression=0)
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c.setFont('Helvetica-Bold', 36)
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c.drawString(100,700, 'Hello World')
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c.drawImage(gif,100,600)
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c.save()
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raw2 = open(filename, 'rb').read()
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assert raw1 == raw2, 'repeated runs differ!'
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def makeSuite():
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return makeSuiteForClasses(InvarTestCase)
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#noruntests
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if __name__ == "__main__":
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# add some diagnostics, useful in invariant tests
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import sys, md5, os
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verbose = ('-v' in sys.argv)
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unittest.TextTestRunner().run(makeSuite())
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if verbose:
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#tell us about the file we produced
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fileSize = os.stat(filename)[6]
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raw = open(filename,'rb').read()
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digest = md5.md5(raw).hexdigest()
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major, minor = sys.version_info[0:2]
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print '%s on %s (Python %d.%d):\n %d bytes, digest %s' % (
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filename,sys.platform, major, minor, fileSize, digest)
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printLocation()
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