def test_make_valid_output_field(self):
# output_field is GeometryField instance because different geometry
# types can be returned.
output_field = functions.MakeValid(
Value(Polygon(), PolygonField(srid=42)), ).output_field
self.assertIs(output_field.__class__, GeometryField)
self.assertEqual(output_field.srid, 42)
def test_make_valid(self):
invalid_geom = fromstr('POLYGON((0 0, 0 1, 1 1, 1 0, 1 1, 1 0, 0 0))')
State.objects.create(name='invalid', poly=invalid_geom)
invalid = State.objects.filter(name='invalid').annotate(
repaired=functions.MakeValid('poly')).first()
self.assertIs(invalid.repaired.valid, True)
self.assertEqual(invalid.repaired,
fromstr('POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))'))
def test_make_valid(self):
invalid_geom = fromstr("POLYGON((0 0, 0 1, 1 1, 1 0, 1 1, 1 0, 0 0))")
State.objects.create(name="invalid", poly=invalid_geom)
invalid = (State.objects.filter(name="invalid").annotate(
repaired=functions.MakeValid("poly")).first())
self.assertIs(invalid.repaired.valid, True)
self.assertTrue(
invalid.repaired.equals(
fromstr("POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))",
srid=invalid.poly.srid)))
def test_make_valid_multipolygon(self):
invalid_geom = fromstr('POLYGON((0 0, 0 1 , 1 1 , 1 0, 0 0), '
'(10 0, 10 1, 11 1, 11 0, 10 0))')
State.objects.create(name='invalid', poly=invalid_geom)
invalid = State.objects.filter(name='invalid').annotate(
repaired=functions.MakeValid('poly'), ).get()
self.assertIs(invalid.repaired.valid, True)
self.assertEqual(
invalid.repaired,
fromstr(
'MULTIPOLYGON (((0 0, 0 1, 1 1, 1 0, 0 0)), '
'((10 0, 10 1, 11 1, 11 0, 10 0)))',
srid=invalid.poly.srid,
))
self.assertEqual(len(invalid.repaired), 2)
def test_make_valid_multipolygon(self):
invalid_geom = fromstr(
"POLYGON((0 0, 0 1 , 1 1 , 1 0, 0 0), (10 0, 10 1, 11 1, 11 0, 10 0))"
)
State.objects.create(name="invalid", poly=invalid_geom)
invalid = (State.objects.filter(name="invalid").annotate(
repaired=functions.MakeValid("poly"), ).get())
self.assertIs(invalid.repaired.valid, True)
self.assertTrue(
invalid.repaired.equals(
fromstr(
"MULTIPOLYGON (((0 0, 0 1, 1 1, 1 0, 0 0)), "
"((10 0, 10 1, 11 1, 11 0, 10 0)))",
srid=invalid.poly.srid,
)))
self.assertEqual(len(invalid.repaired), 2)