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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2017 European Synchrotron Radiation Facility
#
# 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 ScalarFieldView widget"""
__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "17/01/2018"
import logging
import unittest
import numpy
from silx.utils.testutils import ParametricTestCase
from silx.gui.test.utils import TestCaseQt
from silx.gui import qt
from silx.gui.plot3d.ScalarFieldView import ScalarFieldView
from silx.gui.plot3d.SFViewParamTree import TreeView
_logger = logging.getLogger(__name__)
class TestScalarFieldView(TestCaseQt, ParametricTestCase):
"""Tests of ScalarFieldView widget."""
def setUp(self):
super(TestScalarFieldView, self).setUp()
self.widget = ScalarFieldView()
self.widget.show()
# Commented as it slows down the tests
# self.qWaitForWindowExposed(self.widget)
def tearDown(self):
self.qapp.processEvents()
self.widget.setAttribute(qt.Qt.WA_DeleteOnClose)
self.widget.close()
del self.widget
super(TestScalarFieldView, self).tearDown()
@staticmethod
def _buildData(size):
"""Make a 3D dataset"""
coords = numpy.linspace(-10, 10, size)
z = coords.reshape(-1, 1, 1)
y = coords.reshape(1, -1, 1)
x = coords.reshape(1, 1, -1)
return numpy.sin(x * y * z) / (x * y * z)
def testSimple(self):
"""Set the data and an isosurface"""
data = self._buildData(size=32)
self.widget.setData(data)
self.widget.addIsosurface(0.5, (1., 0., 0., 0.5))
self.widget.addIsosurface(0.7, qt.QColor('green'))
self.qapp.processEvents()
def testNotFinite(self):
"""Test with NaN and inf in data set"""
# Some NaNs and inf
data = self._buildData(size=32)
data[8, :, :] = numpy.nan
data[16, :, :] = numpy.inf
data[24, :, :] = - numpy.inf
self.widget.addIsosurface(0.5, 'red')
self.widget.setData(data, copy=True)
self.qapp.processEvents()
self.widget.setData(None)
# All NaNs or inf
data = numpy.empty((4, 4, 4), dtype=numpy.float32)
for value in (numpy.nan, numpy.inf):
with self.subTest(value=str(value)):
data[:] = value
self.widget.setData(data, copy=True)
self.qapp.processEvents()
def suite():
test_suite = unittest.TestSuite()
loadTests = unittest.defaultTestLoader.loadTestsFromTestCase
test_suite.addTest(loadTests(TestScalarFieldView))
return test_suite
if __name__ == '__main__':
unittest.main(defaultTest='suite')
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