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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Project: Fable Input Output
# https://github.com/silx-kit/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 to check TiffIO
"""
import unittest
import os
import logging
import numpy
logger = logging.getLogger(__name__)
from .utilstest import UtilsTest
from ..TiffIO import TiffIO
class TestTiffIO(unittest.TestCase):
"""Test the class format"""
def write(self, filename):
tif = TiffIO(filename, mode='wb+')
dtype = numpy.uint16
data = numpy.arange(10000).astype(dtype)
data.shape = 100, 100
tif.writeImage(data, info={'Title': '1st'})
tif = None
def test_write(self):
filename = "%s.tiff" % self.id()
filename = os.path.join(UtilsTest.tempdir, filename)
self.write(filename)
def test_append(self):
filename = "%s.tiff" % self.id()
filename = os.path.join(UtilsTest.tempdir, filename)
self.write(filename)
# append
tif = TiffIO(filename, mode='rb+')
dtype = numpy.uint16
data = numpy.arange(100).astype(dtype)
data.shape = 10, 10
tif.writeImage((data * 2).astype(dtype), info={'Title': '2nd'})
self.assertEqual(tif.getNumberOfImages(), 2)
tif = None
def test_read(self):
filename = "%s.tiff" % self.id()
filename = os.path.join(UtilsTest.tempdir, filename)
self.write(filename)
tif = TiffIO(filename)
self.assertEqual(tif.getNumberOfImages(), 1)
for i in range(tif.getNumberOfImages()):
info = tif.getInfo(i)
for key in info:
if key not in ["colormap"]:
logger.info("%s = %s", key, info[key])
elif info['colormap'] is not None:
logger.info("RED %s = %s", key, info[key][0:10, 0])
logger.info("GREEN %s = %s", key, info[key][0:10, 1])
logger.info("BLUE %s = %s", key, info[key][0:10, 2])
data = tif.getImage(i)[0, 0:10]
logger.info("data [0, 0:10] = %s", data)
def suite():
loader = unittest.defaultTestLoader.loadTestsFromTestCase
testsuite = unittest.TestSuite()
testsuite.addTest(loader(TestTiffIO))
return testsuite
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite())
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