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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2016-2017 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.
#
# ###########################################################################*/
"""Tests for CompareImages widget"""
__authors__ = ["H. Payno"]
__license__ = "MIT"
__date__ = "23/07/2018"
import unittest
import numpy
import weakref
from silx.gui.utils.testutils import TestCaseQt
from silx.gui.plot.CompareImages import CompareImages
class TestCompareImages(TestCaseQt):
"""Test that CompareImages widget is working in some cases"""
def setUp(self):
super(TestCompareImages, self).setUp()
self.widget = CompareImages()
def tearDown(self):
ref = weakref.ref(self.widget)
self.widget = None
self.qWaitForDestroy(ref)
super(TestCompareImages, self).tearDown()
def testIntensityImage(self):
image1 = numpy.random.rand(10, 10)
image2 = numpy.random.rand(10, 10)
self.widget.setData(image1, image2)
def testRgbImage(self):
image1 = numpy.random.randint(0, 255, size=(10, 10, 3))
image2 = numpy.random.randint(0, 255, size=(10, 10, 3))
self.widget.setData(image1, image2)
def testRgbaImage(self):
image1 = numpy.random.randint(0, 255, size=(10, 10, 4))
image2 = numpy.random.randint(0, 255, size=(10, 10, 4))
self.widget.setData(image1, image2)
def testVizualisations(self):
image1 = numpy.random.rand(10, 10)
image2 = numpy.random.rand(10, 10)
self.widget.setData(image1, image2)
for mode in CompareImages.VisualizationMode:
self.widget.setVisualizationMode(mode)
def testAlignemnt(self):
image1 = numpy.random.rand(10, 10)
image2 = numpy.random.rand(5, 5)
self.widget.setData(image1, image2)
for mode in CompareImages.AlignmentMode:
self.widget.setAlignmentMode(mode)
def testGetPixel(self):
image1 = numpy.random.rand(11, 11)
image2 = numpy.random.rand(5, 5)
image1[5, 5] = 111.111
image2[2, 2] = 222.222
self.widget.setData(image1, image2)
expectedValue = {}
expectedValue[CompareImages.AlignmentMode.CENTER] = 222.222
expectedValue[CompareImages.AlignmentMode.STRETCH] = 222.222
expectedValue[CompareImages.AlignmentMode.ORIGIN] = None
for mode in expectedValue.keys():
self.widget.setAlignmentMode(mode)
data = self.widget.getRawPixelData(11 / 2.0, 11 / 2.0)
data1, data2 = data
self.assertEqual(data1, 111.111)
self.assertEqual(data2, expectedValue[mode])
def testImageEmpty(self):
self.widget.setData(image1=None, image2=None)
self.assertTrue(self.widget.getRawPixelData(11 / 2.0, 11 / 2.0) == (None, None))
def testSetImageSeparately(self):
self.widget.setImage1(numpy.random.rand(10, 10))
self.widget.setImage2(numpy.random.rand(10, 10))
for mode in CompareImages.VisualizationMode:
self.widget.setVisualizationMode(mode)
def suite():
test_suite = unittest.TestSuite()
loadTests = unittest.defaultTestLoader.loadTestsFromTestCase
test_suite.addTest(loadTests(TestCompareImages))
return test_suite
if __name__ == '__main__':
unittest.main(defaultTest='suite')
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