text: #!/usr/bin/env python
  # coding: utf-8
  #
  #    Project: Azimuthal integration
  #             https://github.com/silx-kit/pyFAI
  #
  #    Copyright (C) 2015-2018 European Synchrotron Radiation Facility, Grenoble, France
  #
  #    Principal author:       Jérôme Kieffer (Jerome.Kieffer@ESRF.eu)
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  # THE SOFTWARE.
  
  """Test suite for pickled objects"""
  
  __author__ = "Jérôme Kieffer"
  __contact__ = "Jerome.Kieffer@ESRF.eu"
  __license__ = "MIT"
  __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
  __date__ = "13/01/2021"
  
  import numpy
  from pyFAI.azimuthalIntegrator import AzimuthalIntegrator
  from pyFAI.detectors import detector_factory
  from pickle import dumps, loads
  import unittest
  import logging
  logger = logging.getLogger(__name__)
  
  
  class TestPickle(unittest.TestCase):
  
      @classmethod
      def setUpClass(cls):
          super(TestPickle, cls).setUpClass()
          cls.ai = AzimuthalIntegrator(1.0, detector="Pilatus100k")
          cls.ai.wavelength = 1e-10
          cls.npt = 100
          cls.data = numpy.random.random(cls.ai.detector.shape)
  
      @classmethod
      def tearDownClass(cls):
          super(TestPickle, cls).tearDownClass()
          cls.data = cls.ai = cls.npt = None
  
      def test_Detector_pickle(self):
          det = self.ai.detector
          dets = dumps(det)
          self.assert_(dets, "pickle works")
          rest = loads(dets)
          self.assert_(rest, "unpickle works")
          self.assertEqual(rest.shape, self.ai.detector.MAX_SHAPE)
  
          # test the binning
          mar = detector_factory("RayonixMx225")
          mar.guess_binning((2048, 2048))
          self.assertEqual(mar.binning, (3, 3), "binning OK")
          mars = dumps(mar)
          marr = loads(mars)
          self.assertEqual(mar.binning, marr.binning, "restored binning OK")
  
      def test_AzimuthalIntegrator_pickle(self):
          spectra = self.ai.integrate1d_ng(self.data, self.npt)  # force lut generation
          ais = dumps(self.ai)
          newai = loads(ais)  # type: AzimuthalIntegrator
          self.assertEqual(newai._cached_array.keys(), self.ai._cached_array.keys())
          for key in self.ai._cached_array.keys():
              if isinstance(self.ai._cached_array[key], numpy.ndarray):
                  self.assertEqual(abs(newai._cached_array[key] - self.ai._cached_array[key]).max(), 0,
                                   "key %s is the same" % key)
              else:
                  self.assertEqual(newai._cached_array[key], self.ai._cached_array[key],
                                   "key %s is the same: %s %s" %
                                   (key, newai._cached_array[key], self.ai._cached_array[key]))
          for first, second in zip(newai.integrate1d_ng(self.data, self.npt), spectra):
              self.assertEqual(abs(first - second).max(), 0, "Spectra are the same")
  
      def test_Calibrant(self):
          from pyFAI import calibrant
          calibrant = calibrant.CalibrantFactory()('AgBh')
          assert dumps(calibrant)
          assert loads(dumps(calibrant))
  
  
  def suite():
      loader = unittest.defaultTestLoader.loadTestsFromTestCase
      testsuite = unittest.TestSuite()
      testsuite.addTest(loader(TestPickle))
      return testsuite
  
  
  if __name__ == '__main__':
      runner = unittest.TextTestRunner()
      runner.run(suite())
  