def test_renderComposition(self):
"""Test making an image of the map only."""
LOGGER.info('Testing renderComposition')
myLayer, _ = load_layer('test_shakeimpact.shp')
myCanvasLayer = QgsMapCanvasLayer(myLayer)
CANVAS.setLayerSet([myCanvasLayer])
myRect = QgsRectangle(106.7894, -6.2308, 106.8004, -6.2264)
CANVAS.setExtent(myRect)
CANVAS.refresh()
myMap = Map(IFACE)
myMap.setImpactLayer(myLayer)
myMap.composeMap()
myImagePath, myControlImage, myTargetArea = myMap.renderComposition()
LOGGER.debug(myImagePath)
assert myControlImage is not None
myDimensions = [myTargetArea.left(),
myTargetArea.top(),
myTargetArea.bottom(),
myTargetArea.right()]
myExpectedDimensions = [0.0, 0.0, 3507.0, 2480.0]
myMessage = 'Expected target area to be %s, got %s' % (
str(myExpectedDimensions), str(myDimensions))
assert myExpectedDimensions == myDimensions, myMessage
myMessage = 'Rendered output does not exist'
assert os.path.exists(myImagePath), myMessage
# Beta version and version changes can introduce a few extra chars
# into the metadata section so we set a reasonable tolerance to cope
# with this.
myTolerance = 8000
myFlag, myMessage = check_images(
'renderComposition',
myImagePath,
myTolerance)
assert myFlag, myMessage
def test_printToPdf(self):
"""Test making a pdf of the map - this is the most typical use of map.
"""
LOGGER.info('Testing printToPdf')
myLayer, _ = load_layer('test_shakeimpact.shp')
myCanvasLayer = QgsMapCanvasLayer(myLayer)
CANVAS.setLayerSet([myCanvasLayer])
myRect = QgsRectangle(106.7894, -6.2308, 106.8004, -6.2264)
CANVAS.setExtent(myRect)
CANVAS.refresh()
myMap = Map(IFACE)
myMap.setImpactLayer(myLayer)
myMap.composeMap()
myPath = unique_filename(prefix='mapPdfTest',
suffix='.pdf',
dir=temp_dir('test'))
myMap.printToPdf(myPath)
LOGGER.debug(myPath)
myMessage = 'Rendered output does not exist: %s' % myPath
assert os.path.exists(myPath), myMessage
# pdf rendering is non deterministic so we can't do a hash check
# test_renderComposition renders just the image instead of pdf
# so we hash check there and here we just do a basic minimum file
# size check.
mySize = os.stat(myPath).st_size
myExpectedSizes = [
441541, # as rendered on ub 13.04 post 17 May 2013
441428, # as rendered on ub 13.04 5 Jul 2013
447217, # Nadia Linux Mint 14
447051, # as rendered on Jenkins post 24 April 2013
447138, # Windows 7 SP1 AMD64
233989, # OSX 10.8
]
myMessage = '%s\nExpected rendered map pdf to be in %s, got %s' % (
myPath, myExpectedSizes, mySize)
self.assertIn(mySize, myExpectedSizes, myMessage)
