v.univar: added tests, thanks to Sunveer Singh during Google Code-in 2017

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@72049 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.univar/testsuite/v_univar_test.py

@@ -0,0 +1,81 @@
+"""
+Name:       v.univar test
+Purpose:    Tests v.univar and its flags/options.
+	
+Author:     Sunveer Singh, Google Code-in 2017
+Copyright:  (C) 2017 by Sunveer Singh and the GRASS Development Team
+Licence:    This program is free software under the GNU General Public
+            License (>=v2). Read the file COPYING that comes with GRASS
+            for details.
+"""
+from grass.gunittest.case import TestCase
+from grass.gunittest.main import test
+from grass.gunittest.gmodules import SimpleModule
+	
+class TestProfiling(TestCase):
+
+    def test_flagg(self):
+        """Testing flag g with map bridges"""
+        output_str="""n=2537
+        nmissing=0
+        nnull=0
+        min=1
+        max=2537
+        range=2536
+        sum=3.21945e+06
+        mean=1269
+        mean_abs=1269
+        population_stddev=732.369
+        population_variance=536364
+        population_coeff_variation=0.577123
+        sample_stddev=732.513
+        sample_variance=536576
+        kurtosis=-1.20142
+        skewness=0"""
+        v_univar = SimpleModule("v.univar", flags="g", map='census', column='cat')
+        self.assertModuleKeyValue(module='v.univar', map='census', column='cat', flags='g', reference=output_str,
+	                                  precision=2, sep="=")
+
+    def test_flage(self):
+        """Testing flag e with map geology"""
+        self.assertModule('v.univar', map='geology', column='PERIMETER', flags='e')
+ 
+    def test_flagw(self):
+        """Testing flag w with map lakes"""
+        self.assertModule('v.univar', map='hospitals', column='cat', flags='w')
+
+    def test_flagd(self):
+        """Testing flag d with map hospitals"""
+        univar_string="""n=160
+        nmissing=0
+        nnull=0
+        min=1
+        max=160
+        range=159
+        sum=12880
+        mean=80.5
+        mean_abs=80.5"""
+        self.assertModule('v.univar', map='hospitals', column='CITY', flags='d')
+		
+    def test_output(self):
+        """Testing output of v.univar"""
+        univar_string="""n=160
+        min=1
+        max=160
+        range=159
+        mean=80.5
+        sum=12880"""
+        self.assertVectorFitsUnivar(map='hospitals', column='cat', reference=univar_string, precision=3)
+
+    def test_output2(self):
+        """Testing output of v.univar"""
+        univar_string="""n=357
+        min=1
+        max=357
+        range=356
+        mean=179.82
+        sum=63836"""
+        self.assertVectorFitsUnivar(map='roadsmajor', column='MAJORRDS_', reference=univar_string, precision=3)
+
+if __name__ == '__main__':
+	    test()