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#!/usr/bin/env python
import os
import mapnik
from nose.tools import *
from utilities import execution_path, run_all
datadir = '../data/pngsuite'
def setup():
# All of the paths used are relative, if we run the tests
# from another directory we need to chdir()
os.chdir(execution_path('.'))
def assert_broken_file(fname):
assert_raises(RuntimeError, lambda: mapnik.Image.open(fname))
def assert_good_file(fname):
assert mapnik.Image.open(fname)
def get_pngs(good):
files = [ x for x in os.listdir(datadir) if x.endswith('.png') ]
return [ os.path.join(datadir, x) for x in files if good != x.startswith('x') ]
def test_good_pngs():
for x in get_pngs(True):
yield assert_good_file, x
def test_broken_pngs():
for x in get_pngs(False):
yield assert_broken_file, x
if __name__ == "__main__":
setup()
run_all(eval(x) for x in dir() if x.startswith("test_"))
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