text: #!/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
  """
  
  from __future__ import print_function, with_statement, division, absolute_import
  
  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())
  