r.to.vect: added tests, thanks to Sunveer Singh during Google Code-in 2017

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@72096 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.to.vect/testsuite/test_r_to_vect.py

@@ -0,0 +1,59 @@
+"""
+Name:       r.to.vect test
+Purpose:    Tests r.to.vect 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 Testrr(TestCase):
+    input='lakes'
+    output='testrtovect'
+    point='point'
+    area="area"
+
+    @classmethod
+    def setUpClass(cls):
+        cls.use_temp_region()
+        cls.runModule('g.region', raster=cls.input)
+	
+    @classmethod
+    def tearDownClass(cls):
+        cls.del_temp_region()
+
+    def tearDown(cls):
+        cls.runModule('g.remove', type='vector', flags='f', name=cls.output)
+
+    def test_flags(self):
+        """Testing flag s"""
+        self.assertModule('r.to.vect', input=self.input, output=self.output, type=self.point, flags='s') 
+        topology = dict(points=36011, lines=0, areas=0)
+	self.assertVectorFitsTopoInfo(self.output, topology)
+
+    def test_flagz(self):
+        """Testing flag z"""
+        self.assertModule('r.to.vect', input=self.input, output=self.output, type=self.point, flags='z') 
+        topology = dict(points=36011, lines=0, areas=0)
+	self.assertVectorFitsTopoInfo(self.output, topology)
+    
+    def test_flagb(self):
+        """Testing flag b"""
+        self.assertModule('r.to.vect', input=self.input, output=self.output, type=self.area, flags='b') 
+        topology = dict(points=0, lines=0, areas=0)
+	self.assertVectorFitsTopoInfo(self.output, topology)
+ 
+    def test_flagt(self):
+        """Testing flag t"""
+        self.assertModule('r.to.vect', input=self.input, output=self.output, type=self.area, flags='t') 
+        topology = dict(points=0, lines=0, areas=33)
+	self.assertVectorFitsTopoInfo(self.output, topology)
+
+if __name__ == '__main__':
+    from grass.gunittest.main import test
+    test()