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Diffstat (limited to 'silx/gui/test/test_utils.py')
-rw-r--r-- | silx/gui/test/test_utils.py | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/silx/gui/test/test_utils.py b/silx/gui/test/test_utils.py new file mode 100644 index 0000000..4625969 --- /dev/null +++ b/silx/gui/test/test_utils.py @@ -0,0 +1,77 @@ +# 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 of utils module.""" + +__authors__ = ["T. Vincent"] +__license__ = "MIT" +__date__ = "16/01/2017" + + +import unittest + +import numpy + +from silx.gui import qt +from silx.gui.test.utils import TestCaseQt + +from silx.gui import _utils + + +class TestQImageConversion(TestCaseQt): + """Tests conversion of QImage to/from numpy array.""" + + def testConvertArrayToQImage(self): + """Test conversion of numpy array to QImage""" + image = numpy.ones((3, 3, 3), dtype=numpy.uint8) + qimage = _utils.convertArrayToQImage(image) + + self.assertEqual(qimage.height(), image.shape[0]) + self.assertEqual(qimage.width(), image.shape[1]) + self.assertEqual(qimage.format(), qt.QImage.Format_RGB888) + + color = qt.QColor(1, 1, 1).rgb() + self.assertEqual(qimage.pixel(1, 1), color) + + def testConvertQImageToArray(self): + """Test conversion of QImage to numpy array""" + qimage = qt.QImage(3, 3, qt.QImage.Format_RGB888) + qimage.fill(0x010101) + image = _utils.convertQImageToArray(qimage) + + self.assertEqual(qimage.height(), image.shape[0]) + self.assertEqual(qimage.width(), image.shape[1]) + self.assertEqual(image.shape[2], 3) + self.assertTrue(numpy.all(numpy.equal(image, 1))) + + +def suite(): + test_suite = unittest.TestSuite() + test_suite.addTest(unittest.defaultTestLoader.loadTestsFromTestCase( + TestQImageConversion)) + return test_suite + + +if __name__ == '__main__': + unittest.main(defaultTest='suite') |