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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2016 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.
#
# ###########################################################################*/
"""Tests of plot interaction, through a PlotWidget"""
__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "13/10/2016"
import unittest
from silx.gui import qt
from silx.gui.plot.test.testPlotWidget import _PlotWidgetTest
class _SignalDump(object):
"""Callable object that store passed arguments in a list"""
def __init__(self):
self._received = []
def __call__(self, *args):
self._received.append(args)
@property
def received(self):
"""Return a shallow copy of the list of received arguments"""
return list(self._received)
class TestSelectPolygon(_PlotWidgetTest):
"""Test polygon selection interaction"""
def _interactionModeChanged(self, source):
"""Check that source received in event is the correct one"""
self.assertEqual(source, self)
def _draw(self, polygon):
"""Draw a polygon in the plot
:param polygon: List of points (x, y) of the polygon (not closed)
"""
plot = self.plot.centralWidget()
dump = _SignalDump()
self.plot.sigPlotSignal.connect(dump)
for pos in polygon:
self.mouseMove(plot, pos=pos)
btn = qt.Qt.LeftButton if pos != polygon[-1] else qt.Qt.RightButton
self.mouseClick(plot, btn, pos=pos)
self.plot.sigPlotSignal.disconnect(dump)
return [args[0] for args in dump.received]
def test(self):
"""Test draw polygons + events"""
self.plot.sigInteractiveModeChanged.connect(
self._interactionModeChanged)
self.plot.setInteractiveMode(
'draw', shape='polygon', label='test', source=self)
interaction = self.plot.getInteractiveMode()
self.assertEqual(interaction['mode'], 'draw')
self.assertEqual(interaction['shape'], 'polygon')
self.plot.sigInteractiveModeChanged.disconnect(
self._interactionModeChanged)
plot = self.plot.centralWidget()
xCenter, yCenter = plot.width() // 2, plot.height() // 2
offset = min(plot.width(), plot.height()) // 10
# Star polygon
star = [(xCenter, yCenter + offset),
(xCenter - offset, yCenter - offset),
(xCenter + offset, yCenter),
(xCenter - offset, yCenter),
(xCenter + offset, yCenter - offset)]
# Draw while dumping signals
events = self._draw(star)
# Test last event
drawEvents = [event for event in events
if event['event'].startswith('drawing')]
self.assertEqual(drawEvents[-1]['event'], 'drawingFinished')
self.assertEqual(len(drawEvents[-1]['points']), 6)
# Large square
largeSquare = [(xCenter - offset, yCenter - offset),
(xCenter + offset, yCenter - offset),
(xCenter + offset, yCenter + offset),
(xCenter - offset, yCenter + offset)]
# Draw while dumping signals
events = self._draw(largeSquare)
# Test last event
drawEvents = [event for event in events
if event['event'].startswith('drawing')]
self.assertEqual(drawEvents[-1]['event'], 'drawingFinished')
self.assertEqual(len(drawEvents[-1]['points']), 5)
# Rectangle too thin along X: Some points are ignored
thinRectX = [(xCenter, yCenter - offset),
(xCenter, yCenter + offset),
(xCenter + 1, yCenter + offset),
(xCenter + 1, yCenter - offset)]
# Draw while dumping signals
events = self._draw(thinRectX)
# Test last event
drawEvents = [event for event in events
if event['event'].startswith('drawing')]
self.assertEqual(drawEvents[-1]['event'], 'drawingFinished')
self.assertEqual(len(drawEvents[-1]['points']), 3)
# Rectangle too thin along Y: Some points are ignored
thinRectY = [(xCenter - offset, yCenter),
(xCenter + offset, yCenter),
(xCenter + offset, yCenter + 1),
(xCenter - offset, yCenter + 1)]
# Draw while dumping signals
events = self._draw(thinRectY)
# Test last event
drawEvents = [event for event in events
if event['event'].startswith('drawing')]
self.assertEqual(drawEvents[-1]['event'], 'drawingFinished')
self.assertEqual(len(drawEvents[-1]['points']), 3)
def suite():
test_suite = unittest.TestSuite()
for TestClass in (TestSelectPolygon,):
test_suite.addTest(
unittest.defaultTestLoader.loadTestsFromTestCase(TestClass))
return test_suite
if __name__ == '__main__':
unittest.main(defaultTest='suite')
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