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diff --git a/silx/gui/plot/test/testColors.py b/silx/gui/plot/test/testColors.py
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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.
-#
-# ###########################################################################*/
-"""Basic tests for Colors"""
-
-__authors__ = ["T. Vincent"]
-__license__ = "MIT"
-__date__ = "17/01/2018"
-
-
-import numpy
-
-import unittest
-from silx.utils.testutils import ParametricTestCase
-
-from silx.gui.plot import Colors
-from silx.gui.plot.Colormap import Colormap
-
-class TestRGBA(ParametricTestCase):
- """Basic tests of rgba function"""
-
- def testRGBA(self):
- """"Test rgba function with accepted values"""
- tests = { # name: (colors, expected values)
- 'blue': ('blue', (0., 0., 1., 1.)),
- '#010203': ('#010203', (1. / 255., 2. / 255., 3. / 255., 1.)),
- '#01020304': ('#01020304', (1. / 255., 2. / 255., 3. / 255., 4. / 255.)),
- '3 x uint8': (numpy.array((1, 255, 0), dtype=numpy.uint8),
- (1 / 255., 1., 0., 1.)),
- '4 x uint8': (numpy.array((1, 255, 0, 1), dtype=numpy.uint8),
- (1 / 255., 1., 0., 1 / 255.)),
- '3 x float overflow': ((3., 0.5, 1.), (1., 0.5, 1., 1.)),
- }
-
- for name, test in tests.items():
- color, expected = test
- with self.subTest(msg=name):
- result = Colors.rgba(color)
- self.assertEqual(result, expected)
-
-
-class TestApplyColormapToData(ParametricTestCase):
- """Tests of applyColormapToData function"""
-
- def testApplyColormapToData(self):
- """Simple test of applyColormapToData function"""
- colormap = Colormap(name='gray', normalization='linear',
- vmin=0, vmax=255)
-
- size = 10
- expected = numpy.empty((size, 4), dtype='uint8')
- expected[:, 0] = numpy.arange(size, dtype='uint8')
- expected[:, 1] = expected[:, 0]
- expected[:, 2] = expected[:, 0]
- expected[:, 3] = 255
-
- for dtype in ('uint8', 'int32', 'float32', 'float64'):
- with self.subTest(dtype=dtype):
- array = numpy.arange(size, dtype=dtype)
- result = colormap.applyToData(data=array)
- self.assertTrue(numpy.all(numpy.equal(result, expected)))
-
-
-def suite():
- test_suite = unittest.TestSuite()
- for testClass in (TestRGBA, TestApplyColormapToData):
- test_suite.addTest(
- unittest.defaultTestLoader.loadTestsFromTestCase(testClass))
- return test_suite
-
-
-if __name__ == '__main__':
- unittest.main(defaultTest='suite')