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"""
Tests for geojson/validation
"""
import unittest
import geojson
INVALID_POS = (10, 20, 30, 40)
VALID_POS = (10, 20)
VALID_POS_WITH_ELEVATION = (10, 20, 30)
class TestValidationGeometry(unittest.TestCase):
def test_invalid_geometry_with_validate(self):
with self.assertRaises(ValueError):
geojson.Point(INVALID_POS, validate=True)
def test_invalid_geometry_without_validate(self):
geojson.Point(INVALID_POS)
geojson.Point(INVALID_POS, validate=False)
def test_valid_geometry(self):
geojson.Point(VALID_POS, validate=True)
def test_valid_geometry_with_elevation(self):
geojson.Point(VALID_POS_WITH_ELEVATION, validate=True)
def test_not_sequence(self):
with self.assertRaises(ValueError) as cm:
geojson.MultiPoint([5], validate=True)
self.assertIn('each position must be a list', str(cm.exception))
def test_not_number(self):
with self.assertRaises(ValueError) as cm:
geojson.MultiPoint([[1, '?']], validate=False)
self.assertIn('is not a JSON compliant number', str(cm.exception))
class TestValidationGeoJSONObject(unittest.TestCase):
def test_valid_jsonobject(self):
point = geojson.Point((-10.52, 2.33))
self.assertEqual(point.is_valid, True)
class TestValidationPoint(unittest.TestCase):
def test_invalid_point(self):
point = geojson.Point((10, 20, 30, 40))
self.assertEqual(point.is_valid, False)
point = geojson.Point([(10, 20), (30, 40)])
self.assertEqual(point.is_valid, False)
def test_valid_point(self):
point = geojson.Point((-3.68, 40.41))
self.assertEqual(point.is_valid, True)
def test_valid_point_with_elevation(self):
point = geojson.Point((-3.68, 40.41, 3.45))
self.assertEqual(point.is_valid, True)
class TestValidationMultipoint(unittest.TestCase):
def test_invalid_multipoint(self):
mpoint = geojson.MultiPoint(
[(3.5887,), (3.5887, 10.44558),
(2.5555, 3.887, 4.56), (2.44, 3.44, 2.555, 4.56)])
self.assertEqual(mpoint.is_valid, False)
def test_valid_multipoint(self):
mpoint = geojson.MultiPoint([(10, 20), (30, 40)])
self.assertEqual(mpoint.is_valid, True)
def test_valid_multipoint_with_elevation(self):
mpoint = geojson.MultiPoint([(10, 20, 30), (30, 40, 50)])
self.assertEqual(mpoint.is_valid, True)
class TestValidationLineString(unittest.TestCase):
def test_invalid_linestring(self):
with self.assertRaises(ValueError) as cm:
geojson.LineString([(8.919, 44.4074)], validate=True)
self.assertIn('must be an array of two or more positions',
str(cm.exception))
with self.assertRaises(ValueError) as cm:
geojson.LineString([(8.919, 44.4074), [3]], validate=True)
self.assertIn('a position must have exactly 2 or 3 values',
str(cm.exception))
def test_valid_linestring(self):
ls = geojson.LineString([(10, 5), (4, 3)])
self.assertEqual(ls.is_valid, True)
class TestValidationMultiLineString(unittest.TestCase):
def test_invalid_multilinestring(self):
with self.assertRaises(ValueError) as cm:
geojson.MultiLineString([1], validate=True)
self.assertIn('each line must be a list of positions',
str(cm.exception))
mls = geojson.MultiLineString([[(10, 5), (20, 1)], []])
self.assertEqual(mls.is_valid, False)
def test_valid_multilinestring(self):
ls1 = [(3.75, 9.25), (-130.95, 1.52)]
ls2 = [(23.15, -34.25), (-1.35, -4.65), (3.45, 77.95)]
mls = geojson.MultiLineString([ls1, ls2])
self.assertEqual(mls.is_valid, True)
class TestValidationPolygon(unittest.TestCase):
def test_invalid_polygon(self):
with self.assertRaises(ValueError) as cm:
geojson.Polygon([1], validate=True)
self.assertIn("Each element of a polygon's coordinates must be a list",
str(cm.exception))
poly1 = geojson.Polygon(
[[(2.38, 57.322), (23.194, -20.28), (-120.43, 19.15)]])
self.assertEqual(poly1.is_valid, False)
poly2 = geojson.Polygon(
[[(2.38, 57.322), (23.194, -20.28),
(-120.43, 19.15), (2.38, 57.323)]])
self.assertEqual(poly2.is_valid, False)
def test_valid_polygon(self):
poly = geojson.Polygon(
[[(2.38, 57.322), (23.194, -20.28),
(-120.43, 19.15), (2.38, 57.322)]])
self.assertEqual(poly.is_valid, True)
class TestValidationMultiPolygon(unittest.TestCase):
def test_invalid_multipolygon(self):
with self.assertRaises(ValueError) as cm:
geojson.MultiPolygon([1], validate=True)
self.assertIn("Each polygon must be a list of linear rings",
str(cm.exception))
poly1 = [(2.38, 57.322), (23.194, -20.28),
(-120.43, 19.15), (25.44, -17.91)]
poly2 = [(2.38, 57.322), (23.194, -20.28),
(-120.43, 19.15), (2.38, 57.322)]
multipoly = geojson.MultiPolygon([poly1, poly2])
self.assertEqual(multipoly.is_valid, False)
def test_valid_multipolygon(self):
poly1 = [[(2.38, 57.322), (23.194, -20.28),
(-120.43, 19.15), (2.38, 57.322)]]
poly2 = [[(-5.34, 3.71), (28.74, 31.44),
(28.55, 19.10), (-5.34, 3.71)]]
poly3 = [[(3.14, 23.17), (51.34, 27.14),
(22, -18.11), (3.14, 23.17)]]
multipoly = geojson.MultiPolygon([poly1, poly2, poly3])
self.assertEqual(multipoly.is_valid, True)
class TestValidationGeometryCollection(unittest.TestCase):
def test_invalid_geometrycollection(self):
point = geojson.Point((10, 20))
bad_poly = geojson.Polygon([[(2.38, 57.322), (23.194, -20.28),
(-120.43, 19.15), (25.44, -17.91)]])
geom_collection = geojson.GeometryCollection(
geometries=[point, bad_poly]
)
self.assertFalse(geom_collection.is_valid)
def test_valid_geometrycollection(self):
point = geojson.Point((10, 20))
poly = geojson.Polygon([[(2.38, 57.322), (23.194, -20.28),
(-120.43, 19.15), (2.38, 57.322)]])
geom_collection = geojson.GeometryCollection(
geometries=[point, poly]
)
self.assertTrue(geom_collection.is_valid)
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