# /*##########################################################################
#
# The PyMca X-Ray Fluorescence Toolkit
#
# Copyright (c) 2004-2015 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# 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.
#
# ###########################################################################*/
from __future__ import absolute_import, division, print_function, \
    unicode_literals

__author__ = "T. Vincent - ESRF Data Analysis"
__contact__ = "tvincent@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
__doc__ = """Tests for Qhull wrapper."""


import numpy
import threading
import unittest

import PyMca5.Object3D.Object3DQhull as qhull


class TestDelaunay(unittest.TestCase):

    def testVersion(self):
        self.assertTrue(qhull.__version__)

    def _test(self, dtype):
        # Set of points for test
        tests = (
            # 2D square
            ((0, 0), (0, 1), (1, 1), (2, 0)),
            # 3D
            ((0, 0, 0), (1, 0, 0), (1, 1, 0), (0, 2, 0), (0, 0, 3)),
        )

        for points in tests:
            points = numpy.array(points, dtype=dtype)
            indices = qhull.delaunay(points, dtype=dtype)
            self.assertEqual(len(indices), 2)
            for simplex in indices:
                self.assertEqual(len(simplex), len(points[0]) + 1)

    def testFloat32(self):
        self._test(numpy.float32)

    def testFloat64(self):
        self._test(numpy.float64)


if __name__ == '__main__':
    import sys
    unittest.main(argv=sys.argv)
