def test_ResultStyling(self):
"""Test that ouputs from a model are correctly styled (colours and
opacity. """
# Push OK with the left mouse button
myButton = DOCK.pbnRunStop
msg = 'Run button was not enabled'
assert myButton.isEnabled(), msg
# Hazard layers -already set to correct entry
# Exposure layers - set to Penduduk Jakarta
QTest.keyClick(DOCK.cboExposure, QtCore.Qt.Key_Down)
QTest.keyClick(DOCK.cboExposure, QtCore.Qt.Key_Down)
QTest.keyClick(DOCK.cboExposure, QtCore.Qt.Key_Enter)
# Choose impact function (second item in the list)
QTest.keyClick(DOCK.cboFunction, QtCore.Qt.Key_Down)
QTest.keyClick(DOCK.cboFunction, QtCore.Qt.Key_Down)
QTest.keyClick(DOCK.cboFunction, QtCore.Qt.Key_Enter)
myFunction = DOCK.cboFunction.currentText()
myMessage = ('Incorrect function selected - expected Terdampak,'
' got %s \n%s'
% (myFunction, combosToString(DOCK)))
assert myFunction == 'Need evacuation', myMessage
# Enable on-the-fly reprojection
setCanvasCrs(GEOCRS, True)
setJakartaGeoExtent()
# Run manually so we can get the output layer
DOCK.setupCalculator()
myRunner = DOCK.calculator.getRunner()
myRunner.run() # Run in same thread
myEngineImpactLayer = myRunner.impactLayer()
myQgisImpactLayer = DOCK.readImpactLayer(myEngineImpactLayer)
myStyle = myEngineImpactLayer.get_style_info()
#print myStyle
setRasterStyle(myQgisImpactLayer, myStyle)
# simple test for now - we could test explicity for style state
# later if needed.
myMessage = ('Raster layer was not assigned a ColorRampShader'
' as expected.')
assert myQgisImpactLayer.colorShadingAlgorithm() == \
QgsRasterLayer.ColorRampShader, myMessage
myMessage = ('Raster layer was not assigned transparency'
'classes as expected.')
myTransparencyList = (myQgisImpactLayer.rasterTransparency().
transparentSingleValuePixelList())
#print "Transparency list:" + str(myTransparencyList)
assert (len(myTransparencyList) > 0)
def test_issue126(self):
"""Test that non integer transparency ranges fail gracefully.
.. seealso:: https://github.com/AIFDR/inasafe/issues/126
"""
# This dataset has all cells with value 1.3
myLayer, myType = loadLayer('issue126.tif')
del myType
# Note the float quantity values below
myStyleInfo = {}
myStyleInfo['style_classes'] = [
dict(colour='#38A800', quantity=1.1, transparency=100),
dict(colour='#38A800', quantity=1.4, transparency=0),
dict(colour='#79C900', quantity=10.1, transparency=0)]
myMessage = ('Setting style info with float based ranges should fail '
'gracefully.')
try:
setRasterStyle(myLayer, myStyleInfo)
except:
raise Exception(myMessage)
# Now validate the transparency values were set to 255 because
# they are floats and we cant specify pixel ranges to floats
myValue1 = myLayer.rasterTransparency().alphaValue(1.1)
myValue2 = myLayer.rasterTransparency().alphaValue(1.4)
myMessage = ('Transparency should be ignored when style class'
' quantities are floats')
assert myValue1 == myValue2 == 255, myMessage
# Now run the same test again
myStyleInfo['style_classes'] = [
dict(colour='#38A800', quantity=2, transparency=100),
dict(colour='#38A800', quantity=4, transparency=0),
dict(colour='#79C900', quantity=10, transparency=0)]
myMessage = ('Setting style info with generate valid transparent '
'pixel entries.')
try:
setRasterStyle(myLayer, myStyleInfo)
except:
raise Exception(myMessage)
# Now validate the transparency values were set to 255 because
# they are floats and we cant specify pixel ranges to floats
myValue1 = myLayer.rasterTransparency().alphaValue(1)
myValue2 = myLayer.rasterTransparency().alphaValue(3)
myMessage1 = myMessage + 'Expected 0 got %i' % myValue1
myMessage2 = myMessage + 'Expected 255 got %i' % myValue2
assert myValue1 == 0, myMessage1
assert myValue2 == 255, myMessage2
# Verify that setRasterStyle doesn't break when floats coincide with
# integers
# See https://github.com/AIFDR/inasafe/issues/126#issuecomment-5978416
myStyleInfo['style_classes'] = [
dict(colour='#38A800', quantity=2.0, transparency=100),
dict(colour='#38A800', quantity=4.0, transparency=0),
dict(colour='#79C900', quantity=10.0, transparency=0)]
myMessage = ('Broken: Setting style info with generate valid '
'transparent '
'floating point pixel entries such as 2.0, 3.0')
try:
setRasterStyle(myLayer, myStyleInfo)
except Exception, e:
raise Exception(myMessage + ': ' + str(e))
