def test_run(self):
function = FloodRasterRoadsFunction.instance()
hazard_path = standard_data_path('hazard',
'continuous_flood_20_20.asc')
exposure_path = standard_data_path('exposure', 'roads.shp')
# noinspection PyCallingNonCallable
hazard_layer = QgsRasterLayer(hazard_path, 'Flood')
# noinspection PyCallingNonCallable
exposure_layer = QgsVectorLayer(exposure_path, 'Roads', 'ogr')
# Let's set the extent to the hazard extent
extent = hazard_layer.extent()
rect_extent = [
extent.xMinimum(),
extent.yMaximum(),
extent.xMaximum(),
extent.yMinimum()
]
function.hazard = SafeLayer(hazard_layer)
function.exposure = SafeLayer(exposure_layer)
function.requested_extent = rect_extent
function.run()
impact = function.impact
keywords = impact.get_keywords()
self.assertEquals(function.target_field, keywords['target_field'])
expected_inundated_feature = 182
count = sum(impact.get_data(attribute=function.target_field))
self.assertEquals(count, expected_inundated_feature)
def test_run(self):
function = FloodRasterRoadsFunction.instance()
hazard_path = test_data_path('hazard', 'continuous_flood_20_20.asc')
exposure_path = test_data_path('exposure', 'roads.shp')
# noinspection PyCallingNonCallable
hazard_layer = QgsRasterLayer(hazard_path, 'Flood')
# noinspection PyCallingNonCallable
exposure_layer = QgsVectorLayer(exposure_path, 'Roads', 'ogr')
# Let's set the extent to the hazard extent
extent = hazard_layer.extent()
rect_extent = [
extent.xMinimum(), extent.yMaximum(),
extent.xMaximum(), extent.yMinimum()]
function.hazard = SafeLayer(hazard_layer)
function.exposure = SafeLayer(exposure_layer)
function.requested_extent = rect_extent
function.run()
impact = function.impact
keywords = impact.get_keywords()
self.assertEquals(function.target_field, keywords['target_field'])
expected_inundated_feature = 182
count = sum(impact.get_data(attribute=function.target_field))
self.assertEquals(count, expected_inundated_feature)
def test_zero_intersection(self):
hazard_path = test_data_path('hazard', 'continuous_flood_20_20.asc')
exposure_path = test_data_path('exposure', 'roads.shp')
# noinspection PyCallingNonCallable
hazard_layer = QgsRasterLayer(hazard_path, 'Flood')
# noinspection PyCallingNonCallable
exposure_layer = QgsVectorLayer(exposure_path, 'Roads', 'ogr')
# Let's set the extent to the hazard extent
function = FloodRasterRoadsFunction.instance()
rect_extent = [106.831991, -6.170044, 106.834868, -6.167793]
function.hazard = SafeLayer(hazard_layer)
function.exposure = SafeLayer(exposure_layer)
function.requested_extent = rect_extent
with self.assertRaises(ZeroImpactException):
function.run()
def test_zero_intersection(self):
hazard_path = test_data_path(
'hazard',
'continuous_flood_20_20.asc')
exposure_path = test_data_path(
'exposure',
'roads.shp')
# noinspection PyCallingNonCallable
hazard_layer = QgsRasterLayer(hazard_path, 'Flood')
# noinspection PyCallingNonCallable
exposure_layer = QgsVectorLayer(exposure_path, 'Roads', 'ogr')
# Let's set the extent to the hazard extent
function = FloodRasterRoadsFunction.instance()
rect_extent = [106.831991, -6.170044, 106.834868, -6.167793]
function.hazard = SafeLayer(hazard_layer)
function.exposure = SafeLayer(exposure_layer)
function.requested_extent = rect_extent
with self.assertRaises(ZeroImpactException):
function.run()
