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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 CurvesROIWidget"""
__authors__ = ["T. Vincent", "P. Knobel", "H. Payno"]
__license__ = "MIT"
__date__ = "16/11/2017"
import logging
import os.path
import unittest
from collections import OrderedDict
import numpy
from silx.gui import qt
from silx.test.utils import temp_dir
from silx.gui.test.utils import TestCaseQt
from silx.gui.plot import PlotWindow, CurvesROIWidget
_logger = logging.getLogger(__name__)
class TestCurvesROIWidget(TestCaseQt):
"""Basic test for CurvesROIWidget"""
def setUp(self):
super(TestCurvesROIWidget, self).setUp()
self.plot = PlotWindow()
self.plot.show()
self.qWaitForWindowExposed(self.plot)
self.widget = CurvesROIWidget.CurvesROIDockWidget(plot=self.plot, name='TEST')
self.widget.show()
self.qWaitForWindowExposed(self.widget)
def tearDown(self):
self.plot.setAttribute(qt.Qt.WA_DeleteOnClose)
self.plot.close()
del self.plot
self.widget.setAttribute(qt.Qt.WA_DeleteOnClose)
self.widget.close()
del self.widget
super(TestCurvesROIWidget, self).tearDown()
def testEmptyPlot(self):
"""Empty plot, display ROI widget"""
pass
def testWithCurves(self):
"""Plot with curves: test all ROI widget buttons"""
for offset in range(2):
self.plot.addCurve(numpy.arange(1000),
offset + numpy.random.random(1000),
legend=str(offset))
# Add two ROI
self.mouseClick(self.widget.roiWidget.addButton, qt.Qt.LeftButton)
self.mouseClick(self.widget.roiWidget.addButton, qt.Qt.LeftButton)
# Change active curve
self.plot.setActiveCurve(str(1))
# Delete a ROI
self.mouseClick(self.widget.roiWidget.delButton, qt.Qt.LeftButton)
with temp_dir() as tmpDir:
self.tmpFile = os.path.join(tmpDir, 'test.ini')
# Save ROIs
self.widget.roiWidget.save(self.tmpFile)
self.assertTrue(os.path.isfile(self.tmpFile))
# Reset ROIs
self.mouseClick(self.widget.roiWidget.resetButton,
qt.Qt.LeftButton)
# Load ROIs
self.widget.roiWidget.load(self.tmpFile)
del self.tmpFile
def testMiddleMarker(self):
"""Test with middle marker enabled"""
self.widget.roiWidget.setMiddleROIMarkerFlag(True)
# Add a ROI
self.mouseClick(self.widget.roiWidget.addButton, qt.Qt.LeftButton)
xleftMarker = self.plot._getMarker(legend='ROI min').getXPosition()
xMiddleMarker = self.plot._getMarker(legend='ROI middle').getXPosition()
xRightMarker = self.plot._getMarker(legend='ROI max').getXPosition()
self.assertAlmostEqual(xMiddleMarker,
xleftMarker + (xRightMarker - xleftMarker) / 2.)
def testCalculation(self):
x = numpy.arange(100.)
y = numpy.arange(100.)
# Add two curves
self.plot.addCurve(x, y, legend="positive")
self.plot.addCurve(-x, y, legend="negative")
# Make sure there is an active curve and it is the positive one
self.plot.setActiveCurve("positive")
# Add two ROIs
ddict = {}
ddict["positive"] = {"from": 10, "to": 20, "type":"X"}
ddict["negative"] = {"from": -20, "to": -10, "type":"X"}
self.widget.roiWidget.setRois(ddict)
# And calculate the expected output
self.widget.calculateROIs()
output = self.widget.roiWidget.getRois()
self.assertEqual(output["positive"]["rawcounts"],
y[ddict["positive"]["from"]:ddict["positive"]["to"]+1].sum(),
"Calculation failed on positive X coordinates")
# Set the curve with negative X coordinates as active
self.plot.setActiveCurve("negative")
# the ROIs should have been automatically updated
output = self.widget.roiWidget.getRois()
selection = numpy.nonzero((-x >= output["negative"]["from"]) & \
(-x <= output["negative"]["to"]))[0]
self.assertEqual(output["negative"]["rawcounts"],
y[selection].sum(), "Calculation failed on negative X coordinates")
def testDeferedInit(self):
x = numpy.arange(100.)
y = numpy.arange(100.)
self.plot.addCurve(x=x, y=y, legend="name", replace="True")
roisDefs = OrderedDict([
["range1",
OrderedDict([["from", 20], ["to", 200], ["type", "energy"]])],
["range2",
OrderedDict([["from", 300], ["to", 500], ["type", "energy"]])]
])
roiWidget = self.plot.getCurvesRoiDockWidget().roiWidget
self.assertFalse(roiWidget._isInit)
self.plot.getCurvesRoiDockWidget().setRois(roisDefs)
self.assertTrue(len(roiWidget.getRois()) is len(roisDefs))
self.plot.getCurvesRoiDockWidget().setVisible(True)
self.assertTrue(len(roiWidget.getRois()) is len(roisDefs))
def suite():
test_suite = unittest.TestSuite()
for TestClass in (TestCurvesROIWidget,):
test_suite.addTest(
unittest.defaultTestLoader.loadTestsFromTestCase(TestClass))
return test_suite
if __name__ == '__main__':
unittest.main(defaultTest='suite')
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