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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2016-2020 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 PlotWindow"""
__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "27/06/2017"
import unittest
import numpy
from silx.gui.utils.testutils import TestCaseQt, getQToolButtonFromAction
from silx.test.utils import test_options
from silx.gui import qt
from silx.gui.plot import PlotWindow
from silx.gui.colors import Colormap
class TestPlotWindow(TestCaseQt):
"""Base class for tests of PlotWindow."""
def setUp(self):
super(TestPlotWindow, self).setUp()
self.plot = PlotWindow()
self.plot.show()
self.qWaitForWindowExposed(self.plot)
def tearDown(self):
self.plot.setAttribute(qt.Qt.WA_DeleteOnClose)
self.plot.close()
del self.plot
super(TestPlotWindow, self).tearDown()
def testActions(self):
"""Test the actions QToolButtons"""
self.plot.setLimits(1, 100, 1, 100)
checkList = [ # QAction, Plot state getter
(self.plot.xAxisAutoScaleAction, self.plot.getXAxis().isAutoScale),
(self.plot.yAxisAutoScaleAction, self.plot.getYAxis().isAutoScale),
(self.plot.xAxisLogarithmicAction, self.plot.getXAxis()._isLogarithmic),
(self.plot.yAxisLogarithmicAction, self.plot.getYAxis()._isLogarithmic),
(self.plot.gridAction, self.plot.getGraphGrid),
]
for action, getter in checkList:
self.mouseMove(self.plot)
initialState = getter()
toolButton = getQToolButtonFromAction(action)
self.assertIsNot(toolButton, None)
self.mouseClick(toolButton, qt.Qt.LeftButton)
self.assertNotEqual(getter(), initialState,
msg='"%s" state not changed' % action.text())
self.mouseClick(toolButton, qt.Qt.LeftButton)
self.assertEqual(getter(), initialState,
msg='"%s" state not changed' % action.text())
# Trigger a zoom reset
self.mouseMove(self.plot)
resetZoomAction = self.plot.resetZoomAction
toolButton = getQToolButtonFromAction(resetZoomAction)
self.assertIsNot(toolButton, None)
self.mouseClick(toolButton, qt.Qt.LeftButton)
def testDockWidgets(self):
"""Test add/remove dock widgets"""
dock1 = qt.QDockWidget('Test 1')
dock1.setWidget(qt.QLabel('Test 1'))
self.plot.addTabbedDockWidget(dock1)
self.qapp.processEvents()
self.plot.removeDockWidget(dock1)
self.qapp.processEvents()
dock2 = qt.QDockWidget('Test 2')
dock2.setWidget(qt.QLabel('Test 2'))
self.plot.addTabbedDockWidget(dock2)
self.qapp.processEvents()
if qt.BINDING != 'PySide2':
# Weird bug with PySide2 later upon gc.collect() when getting the layout
self.assertNotEqual(self.plot.layout().indexOf(dock2),
-1,
"dock2 not properly displayed")
def testToolAspectRatio(self):
self.plot.toolBar()
self.plot.keepDataAspectRatioButton.keepDataAspectRatio()
self.assertTrue(self.plot.isKeepDataAspectRatio())
self.plot.keepDataAspectRatioButton.dontKeepDataAspectRatio()
self.assertFalse(self.plot.isKeepDataAspectRatio())
def testToolYAxisOrigin(self):
self.plot.toolBar()
self.plot.yAxisInvertedButton.setYAxisUpward()
self.assertFalse(self.plot.getYAxis().isInverted())
self.plot.yAxisInvertedButton.setYAxisDownward()
self.assertTrue(self.plot.getYAxis().isInverted())
def testColormapAutoscaleCache(self):
# Test that the min/max cache is not computed twice
old = Colormap._computeAutoscaleRange
self._count = 0
def _computeAutoscaleRange(colormap, data):
self._count = self._count + 1
return 10, 20
Colormap._computeAutoscaleRange = _computeAutoscaleRange
try:
colormap = Colormap(name='red')
self.plot.setVisible(True)
# Add an image
data = numpy.arange(8**2).reshape(8, 8)
self.plot.addImage(data, legend="foo", colormap=colormap)
self.plot.setActiveImage("foo")
# Use the colorbar
self.plot.getColorBarWidget().setVisible(True)
self.qWait(50)
# Remove and add again the same item
image = self.plot.getImage("foo")
self.plot.removeImage("foo")
self.plot.addItem(image)
self.qWait(50)
finally:
Colormap._computeAutoscaleRange = old
self.assertEqual(self._count, 1)
del self._count
@unittest.skipUnless(test_options.WITH_GL_TEST,
test_options.WITH_QT_TEST_REASON)
def testSwitchBackend(self):
"""Test switching an empty plot"""
self.plot.resetZoom()
xlimits = self.plot.getXAxis().getLimits()
ylimits = self.plot.getYAxis().getLimits()
isKeepAspectRatio = self.plot.isKeepDataAspectRatio()
for backend in ('gl', 'mpl'):
with self.subTest():
self.plot.setBackend(backend)
self.plot.replot()
self.assertEqual(self.plot.getXAxis().getLimits(), xlimits)
self.assertEqual(self.plot.getYAxis().getLimits(), ylimits)
self.assertEqual(
self.plot.isKeepDataAspectRatio(), isKeepAspectRatio)
def suite():
test_suite = unittest.TestSuite()
test_suite.addTest(
unittest.defaultTestLoader.loadTestsFromTestCase(TestPlotWindow))
return test_suite
if __name__ == '__main__':
unittest.main(defaultTest='suite')
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