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#!/usr/bin/env python3
"""
Name: v.random test
Purpose: Tests v.random and its flags/options.
Authors: Josef Pudil (original draft)
Sunveer Singh (finished test)
Copyright: (C) 2020-2021 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
class TestVRandom(TestCase):
output = "test01"
output2 = "test02"
npoints = 100
state = "nc_state"
zmin = 10
zmax = 120
@classmethod
def setUpClass(cls):
cls.use_temp_region()
cls.runModule("g.region", vector=cls.state)
@classmethod
def tearDownClass(cls):
cls.del_temp_region()
def tearDown(cls):
cls.runModule("g.remove", type="vector", flags="f", name=cls.output)
cls.runModule("g.remove", type="vector", flags="f", name=cls.output2)
def test_num_points(self):
"""Checking if number of points equals 100"""
self.assertModule("v.random", output=self.output, npoints=self.npoints)
topology = dict(points=self.npoints)
self.assertVectorFitsTopoInfo(vector=self.output, reference=topology)
def test_num_points_3D(self):
"""Checking if the map is 3D and number of points is 100"""
self.assertModule(
"v.random",
output=self.output,
npoints=self.npoints,
zmin=self.zmin,
zmax=self.zmax,
flags="z",
)
topology = dict(points=self.npoints, map3d=1)
self.assertVectorFitsTopoInfo(vector=self.output, reference=topology)
def test_restrict(self):
"""Checking if all points are in the polygon boundary state"""
self.assertModule(
"v.random", output=self.output, npoints=self.npoints, restrict=self.state
)
self.assertModule(
"v.clip", input=self.output, clip=self.state, output=self.output2
)
self.assertVectorInfoEqualsVectorInfo(self.output, self.output2, precision=0.01)
if __name__ == "__main__":
test()
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