def test_valuecount_exception(self):
with self.assertRaises(RasterAggregationException):
aggregator(
layer_dict={'a': self.rasterlayer.id},
formula='a',
grouping='unknown'
)
def test_layer_discrete_grouping(self):
result = aggregator(
layer_dict={'a': self.rasterlayer.id},
formula='a',
grouping='discrete'
)
self.assertDictEqual(
result,
{str(k): v for k, v in self.expected_totals.items()}
)
def test_layer_continuous_grouping(self):
result = aggregator(
layer_dict={'a': self.rasterlayer.id},
formula='a',
grouping='continuous'
)
self.assertDictEqual(
result,
self.continuous_expected_histogram
)
def test_layer_with_legend_grouping(self):
# Use a legend with simple int expression
result = aggregator(
layer_dict={'a': self.rasterlayer.id},
formula='a',
grouping=self.legend.id
)
self.assertDictEqual(
result,
{'2': self.expected_totals[2]}
)
# Use a legend with formula expression
result = aggregator(
layer_dict={'a': self.rasterlayer.id},
formula='a',
grouping=self.legend_with_expression.id
)
self.assertDictEqual(
result,
{'(x >= 2) & (x < 5)': self.expected_totals[2] + self.expected_totals[3] + self.expected_totals[4]}
)
def test_layer_with_no_tiles(self):
result = aggregator(
layer_dict={'a': self.rasterlayer.id, 'b': self.empty_rasterlayer.id},
formula='a*b'
)
self.assertDictEqual(result, {})
