/usr/lib/python2.7/dist-packages/fabio/test/testpnmimage.py is in python-fabio 0.3.0+dfsg-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Project: Fable Input Output
# https://github.com/kif/fabio
#
# Copyright (C) European Synchrotron Radiation Facility, Grenoble, France
#
# Principal author: Jérôme Kieffer (Jerome.Kieffer@ESRF.eu)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
Test for PNM images.
Jerome Kieffer, 04/12/2014
"""
__author__ = "Jerome Kieffer"
__date__ = "05/11/2015"
import os
import sys
import unittest
import numpy
if __name__ == '__main__':
import pkgutil
__path__ = pkgutil.extend_path([os.path.dirname(__file__)], "fabio.test")
from .utilstest import UtilsTest
logger = UtilsTest.get_logger(__file__)
fabio = sys.modules["fabio"]
from fabio.pnmimage import pnmimage
from fabio.openimage import openimage
class TestPNM(unittest.TestCase):
"""basic test"""
results = """image0001.pgm 1024 1024 0 28416 353.795654296875 2218.0290682517543"""
def setUp(self):
"""Download files"""
self.fn = {}
for j in self.results.split("\n"):
i = j.split()[0]
self.fn[i] = UtilsTest.getimage(i + ".bz2")[:-4]
for i in self.fn:
assert os.path.exists(self.fn[i])
def test_read(self):
""" check we can read pnm images"""
vals = self.results.split()
name = vals[0]
dim1, dim2 = [int(x) for x in vals[1:3]]
mini, maxi, mean, stddev = [float(x) for x in vals[3:]]
obj = openimage(self.fn[name])
self.assertAlmostEqual(mini, obj.getmin(), 4, "getmin")
self.assertAlmostEqual(maxi, obj.getmax(), 4, "getmax")
self.assertAlmostEqual(mean, obj.getmean(), 4, "getmean")
self.assertAlmostEqual(stddev, obj.getstddev(), 4, "getstddev")
self.assertEqual(dim1, obj.dim1, "dim1")
self.assertEqual(dim2, obj.dim2, "dim2")
def test_write(self):
pnmfile = os.path.join(UtilsTest.tempdir, "pnmfile.pnm")
shape = (9, 11)
size = shape[0] * shape[1]
data = numpy.random.randint(0, 65000, size=size).reshape(shape)
pnmimage(data=data).save(pnmfile)
pnm = openimage(pnmfile)
self.assert_(numpy.allclose(data, pnm.data), "data are the same")
os.unlink(pnmfile)
def suite():
testsuite = unittest.TestSuite()
testsuite.addTest(TestPNM("test_read"))
testsuite.addTest(TestPNM("test_write"))
return testsuite
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite())
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