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diff --git a/silx/gui/plot/test/testPlotTools.py b/silx/gui/plot/test/testPlotTools.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 PlotTools"""
+
+__authors__ = ["T. Vincent"]
+__license__ = "MIT"
+__date__ = "05/12/2016"
+
+
+import numpy
+import unittest
+
+from silx.test.utils import ParametricTestCase, TestLogging
+from silx.gui.test.utils import (
+    qWaitForWindowExposedAndActivate, TestCaseQt, getQToolButtonFromAction)
+from silx.gui import qt
+from silx.gui.plot import Plot2D, PlotWindow, PlotTools
+
+
+# Makes sure a QApplication exists
+_qapp = qt.QApplication.instance() or qt.QApplication([])
+
+
+def _tearDownDocTest(docTest):
+    """Tear down to use for test from docstring.
+
+    Checks that plot widget is displayed
+    """
+    plot = docTest.globs['plot']
+    qWaitForWindowExposedAndActivate(plot)
+    plot.setAttribute(qt.Qt.WA_DeleteOnClose)
+    plot.close()
+    del plot
+
+# Disable doctest because of
+# "NameError: name 'numpy' is not defined"
+#
+# import doctest
+# positionInfoTestSuite = doctest.DocTestSuite(
+#     PlotTools, tearDown=_tearDownDocTest,
+#     optionflags=doctest.ELLIPSIS)
+# """Test suite of tests from PlotTools docstrings.
+#
+# Test PositionInfo and ProfileToolBar docstrings.
+# """
+
+
+class TestPositionInfo(TestCaseQt):
+    """Tests for PositionInfo widget."""
+
+    def setUp(self):
+        super(TestPositionInfo, self).setUp()
+        self.plot = PlotWindow()
+        self.plot.show()
+        self.qWaitForWindowExposed(self.plot)
+        self.mouseMove(self.plot, pos=(1, 1))
+        self.qapp.processEvents()
+        self.qWait(100)
+
+    def tearDown(self):
+        self.plot.setAttribute(qt.Qt.WA_DeleteOnClose)
+        self.plot.close()
+        del self.plot
+
+        super(TestPositionInfo, self).tearDown()
+
+    def _test(self, positionWidget, converterNames, **kwargs):
+        """General test of PositionInfo.
+
+        - Add it to a toolbar and
+        - Move mouse around the center of the PlotWindow.
+        """
+        toolBar = qt.QToolBar()
+        self.plot.addToolBar(qt.Qt.BottomToolBarArea, toolBar)
+
+        toolBar.addWidget(positionWidget)
+
+        converters = positionWidget.getConverters()
+        self.assertEqual(len(converters), len(converterNames))
+        for index, name in enumerate(converterNames):
+            self.assertEqual(converters[index][0], name)
+
+        with TestLogging(PlotTools.__name__, **kwargs):
+            # Move mouse to center
+            self.mouseMove(self.plot)
+            self.mouseMove(self.plot, pos=(1, 1))
+            self.qapp.processEvents()
+            self.qWait(100)
+
+    def testDefaultConverters(self):
+        """Test PositionInfo with default converters"""
+        positionWidget = PlotTools.PositionInfo(plot=self.plot)
+        self._test(positionWidget, ('X', 'Y'))
+
+    def testCustomConverters(self):
+        """Test PositionInfo with custom converters"""
+        converters = [
+            ('Coords', lambda x, y: (int(x), int(y))),
+            ('Radius', lambda x, y: numpy.sqrt(x * x + y * y)),
+            ('Angle', lambda x, y: numpy.degrees(numpy.arctan2(y, x)))
+        ]
+        positionWidget = PlotTools.PositionInfo(plot=self.plot,
+                                                converters=converters)
+        self._test(positionWidget, ('Coords', 'Radius', 'Angle'))
+
+    def testFailingConverters(self):
+        """Test PositionInfo with failing custom converters"""
+        def raiseException(x, y):
+            raise RuntimeError()
+
+        positionWidget = PlotTools.PositionInfo(
+            plot=self.plot,
+            converters=[('Exception', raiseException)])
+        self._test(positionWidget, ['Exception'], error=2)
+
+
+class TestPixelIntensitiesHisto(TestCaseQt, ParametricTestCase):
+    """Tests for ProfileToolBar widget."""
+
+    def setUp(self):
+        super(TestPixelIntensitiesHisto, self).setUp()
+        self.image = numpy.random.rand(100, 100)
+        self.plotImage = Plot2D()
+        self.plotImage.getIntensityHistogramAction().setVisible(True)
+
+    def tearDown(self):
+        del self.plotImage
+        super(TestPixelIntensitiesHisto, self).tearDown()
+
+    def testShowAndHide(self):
+        """Simple test that the plot is showing and hiding when activating the
+        action"""
+        self.plotImage.addImage(self.image, origin=(0, 0), legend='sino')
+        self.plotImage.show()
+
+        histoAction = self.plotImage.getIntensityHistogramAction()
+
+        # test the pixel intensity diagram is showing
+        button = getQToolButtonFromAction(histoAction)
+        self.assertIsNot(button, None)
+        self.mouseMove(button)
+        self.mouseClick(button, qt.Qt.LeftButton)
+        self.qapp.processEvents()
+        self.assertTrue(histoAction.getHistogramPlotWidget().isVisible())
+
+        # test the pixel intensity diagram is hiding
+        self.qapp.setActiveWindow(self.plotImage)
+        self.qapp.processEvents()
+        self.mouseMove(button)
+        self.mouseClick(button, qt.Qt.LeftButton)
+        self.qapp.processEvents()
+        self.assertFalse(histoAction.getHistogramPlotWidget().isVisible())
+
+    def testImageFormatInput(self):
+        """Test multiple type as image input"""
+        typesToTest = [numpy.uint8, numpy.int8, numpy.int16, numpy.int32,
+                       numpy.float32, numpy.float64]
+        self.plotImage.addImage(self.image, origin=(0, 0), legend='sino')
+        self.plotImage.show()
+        button = getQToolButtonFromAction(
+            self.plotImage.getIntensityHistogramAction())
+        self.mouseMove(button)
+        self.mouseClick(button, qt.Qt.LeftButton)
+        self.qapp.processEvents()
+        for typeToTest in typesToTest:
+            with self.subTest(typeToTest=typeToTest):
+                self.plotImage.addImage(self.image.astype(typeToTest),
+                                        origin=(0, 0), legend='sino')
+
+
+def suite():
+    test_suite = unittest.TestSuite()
+    # test_suite.addTest(positionInfoTestSuite)
+    for testClass in (TestPositionInfo, TestPixelIntensitiesHisto):
+        test_suite.addTest(unittest.defaultTestLoader.loadTestsFromTestCase(
+            testClass))
+    return test_suite
+
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='suite')