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diff --git a/src/silx/gui/test/test_icons.py b/src/silx/gui/test/test_icons.py
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+++ b/src/silx/gui/test/test_icons.py
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+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2021 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 test of Qt icons module."""
+
+__authors__ = ["V. Valls"]
+__license__ = "MIT"
+__date__ = "06/09/2017"
+
+
+import unittest
+import weakref
+import tempfile
+import shutil
+import os
+
+import silx.resources
+from silx.gui import qt
+from silx.gui.utils.testutils import TestCaseQt
+from silx.gui import icons
+
+
+class TestIcons(TestCaseQt):
+    """Test to check that icons module."""
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestIcons, cls).setUpClass()
+
+        cls.tmpDirectory = tempfile.mkdtemp(prefix="resource_")
+        os.mkdir(os.path.join(cls.tmpDirectory, "gui"))
+        destination = os.path.join(cls.tmpDirectory, "gui", "icons")
+        os.mkdir(destination)
+        shutil.copy(silx.resources.resource_filename("gui/icons/zoom-in.png"), destination)
+        shutil.copy(silx.resources.resource_filename("gui/icons/zoom-out.svg"), destination)
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TestIcons, cls).tearDownClass()
+        shutil.rmtree(cls.tmpDirectory)
+
+    def setUp(self):
+        # Store the original configuration
+        self._oldResources = dict(silx.resources._RESOURCE_DIRECTORIES)
+        silx.resources.register_resource_directory("test", "foo.bar", forced_path=self.tmpDirectory)
+        unittest.TestCase.setUp(self)
+
+    def tearDown(self):
+        unittest.TestCase.tearDown(self)
+        # Restiture the original configuration
+        silx.resources._RESOURCE_DIRECTORIES = self._oldResources
+
+    def testIcon(self):
+        icon = icons.getQIcon("silx:gui/icons/zoom-out")
+        self.assertIsNotNone(icon)
+
+    def testPrefix(self):
+        icon = icons.getQIcon("silx:gui/icons/zoom-out")
+        self.assertIsNotNone(icon)
+
+    def testSvgIcon(self):
+        if "svg" not in qt.supportedImageFormats():
+            self.skipTest("SVG not supported")
+        icon = icons.getQIcon("test:gui/icons/zoom-out")
+        self.assertIsNotNone(icon)
+
+    def testPngIcon(self):
+        icon = icons.getQIcon("test:gui/icons/zoom-in")
+        self.assertIsNotNone(icon)
+
+    def testUnexistingIcon(self):
+        self.assertRaises(ValueError, icons.getQIcon, "not-exists")
+
+    def testExistingQPixmap(self):
+        icon = icons.getQPixmap("crop")
+        self.assertIsNotNone(icon)
+
+    def testUnexistingQPixmap(self):
+        self.assertRaises(ValueError, icons.getQPixmap, "not-exists")
+
+    def testCache(self):
+        icon1 = icons.getQIcon("crop")
+        icon2 = icons.getQIcon("crop")
+        self.assertIs(icon1, icon2)
+
+    def testCacheReleased(self):
+        icon = icons.getQIcon("crop")
+        icon_ref = weakref.ref(icon)
+        del icon
+        self.assertIsNone(icon_ref())
+
+
+class TestAnimatedIcons(TestCaseQt):
+    """Test to check that icons module."""
+
+    def testProcessWorking(self):
+        icon = icons.getWaitIcon()
+        self.assertIsNotNone(icon)
+
+    def testProcessWorkingCache(self):
+        icon1 = icons.getWaitIcon()
+        icon2 = icons.getWaitIcon()
+        self.assertIs(icon1, icon2)
+
+    def testMovieIconExists(self):
+        if "mng" not in qt.supportedImageFormats():
+            self.skipTest("MNG not supported")
+        icon = icons.MovieAnimatedIcon("process-working")
+        self.assertIsNotNone(icon)
+
+    def testMovieIconNotExists(self):
+        self.assertRaises(ValueError, icons.MovieAnimatedIcon, "not-exists")
+
+    def testMultiImageIconExists(self):
+        icon = icons.MultiImageAnimatedIcon("process-working")
+        self.assertIsNotNone(icon)
+
+    def testPrefixedResourceExists(self):
+        icon = icons.MultiImageAnimatedIcon("silx:gui/icons/process-working")
+        self.assertIsNotNone(icon)
+
+    def testMultiImageIconNotExists(self):
+        self.assertRaises(ValueError, icons.MultiImageAnimatedIcon, "not-exists")