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- """Test of r.univar
- @author Soeren Gebbert
- """
- from grass.gunittest.case import TestCase
- class TestRasterUnivar(TestCase):
- @classmethod
- def setUpClass(cls):
- """Use temporary region settings"""
- cls.use_temp_region()
- @classmethod
- def tearDownClass(cls):
- """!Remove the temporary region
- """
- cls.del_temp_region()
- def tearDown(self):
- self.runModule("g.remove", type="raster", name="map_a")
- self.runModule("g.remove", type="raster", name="map_b")
- def setUp(self):
- """Create input data
- """
- self.runModule("g.region", res=1, n=90, s=0, w=0, e=90)
- self.runModule("r.mapcalc", expression="map_a = 100 + row() + col()",
- overwrite=True)
- self.runModule("r.mapcalc", expression="map_b = 200 + row() + col()",
- overwrite=True)
- def test_1(self):
- # Output of r.univar
- univar_string="""n=8100
- null_cells=0
- cells=8100
- min=102
- max=280
- range=178
- mean=191
- mean_of_abs=191
- sum=1547100"""
- self.assertRasterFitsUnivar(raster="map_a", reference=univar_string,
- precision=3)
- def test_2(self):
- # Output of r.univar
- univar_string="""n=81
- null_cells=0
- cells=81
- min=112
- max=272
- range=160
- mean=192
- mean_of_abs=192
- sum=15552"""
- self.runModule("g.region", res=10)
- self.assertRasterFitsUnivar(raster="map_a", reference=univar_string,
- precision=3)
- def test_3(self):
- """
- Check the -r flag
- :return:
- """
- univar_string="""n=8100
- null_cells=0
- cells=8100
- min=102
- max=280
- range=178
- mean=191
- mean_of_abs=191
- sum=1547100"""
- self.runModule("g.region", res=10)
- self.assertModuleKeyValue(module="r.univar", map="map_a", flags="rg",
- reference=univar_string, precision=3, sep='=')
- def test_multiple_1(self):
- # Output of r.univar
- univar_string="""n=16200
- null_cells=0
- cells=16200
- min=102
- max=380
- range=278
- mean=241
- mean_of_abs=241
- sum=3904200"""
- self.assertModuleKeyValue(module="r.univar", map=["map_a","map_b"], flags="rg",
- reference=univar_string, precision=3, sep='=')
- def test_multiple_2(self):
- # Output of r.univar
- univar_string="""n=162
- null_cells=0
- cells=162
- min=112
- max=372
- range=260
- mean=241
- mean_of_abs=241
- sum=39204"""
- self.runModule("g.region", res=10)
- self.assertModuleKeyValue(module="r.univar", map=["map_a","map_b"], flags="g",
- reference=univar_string, precision=3, sep='=')
- def test_multiple_3(self):
- """
- Check the -r flag
- :return:
- """
- # Output of r.univar
- univar_string="""n=16200
- null_cells=0
- cells=16200
- min=102
- max=380
- range=278
- mean=241
- mean_of_abs=241
- sum=3904200"""
- self.runModule("g.region", res=10)
- self.assertModuleKeyValue(module="r.univar", map=["map_a","map_b"], flags="rg",
- reference=univar_string, precision=3, sep='=')
- class TestAccumulateFails(TestCase):
- def test_error_handling(self):
- # No vector map, no strds, no coordinates
- self.assertModuleFail("r.univar", flags="r", map="map_a", zones="map_b")
- if __name__ == '__main__':
- from grass.gunittest.main import test
- test()
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