def test_getVectorLegend(self):
"""Getting a legend for a vector layer works.
@note This test is not related do thousand separator since we insert
our own legend notes and our own layer.
"""
myLayer, _ = load_layer('test_shakeimpact.shp')
myMapLegend = MapLegend(
myLayer,
theLegendNotes='Thousand separator represented by \',\'',
theLegendUnits='(people per cell)')
myImage = myMapLegend.getVectorLegend()
myPath = unique_filename(
prefix='getVectorLegend',
suffix='.png',
dir=temp_dir('test'))
myImage.save(myPath, 'PNG')
LOGGER.debug(myPath)
# As we have discovered, different versions of Qt and
# OS platforms cause different output, so myControlImages is a list
# of 'known good' renders.
myTolerance = 0 # to allow for version number changes in disclaimer
myFlag, myMessage = check_images(
'getVectorLegend', myPath, myTolerance)
myMessage += ('\nWe want these images to match, if they do already '
'copy the test image generated to create a new control '
'image.')
assert myFlag, myMessage
