def test_modify_point(self):
"""
modify Point
"""
wkb = "010100000000000000000000000000000000000000"
p = Geometry(wkb)
oldx = p.x
oldy = p.y
oldsrid = p.srid
self.assertFalse(p.dimz)
self.assertFalse(p.dimm)
newx = -99
newy = -101
newz = 88
newm = 8
newsrid = 900913
self.assertNotEquals(p.x, newx)
self.assertNotEquals(p.y, newy)
self.assertNotEquals(p.z, newz)
self.assertNotEquals(p.m, newm)
self.assertNotEquals(p.srid, newsrid)
p.x = newx
p.y = newy
p.z = newz
p.m = newm
p.srid = newsrid
self.assertEquals(p.x, newx)
self.assertEquals(p.y, newy)
self.assertEquals(p.z, newz)
self.assertEquals(p.m, newm)
self.assertEquals(p.srid, newsrid)
self.assertNotEquals(p.__str__().lower(), wkb.lower())
p.x = oldx
p.y = oldy
p.srid = oldsrid
p.dimz = None
p.dimm = None
self.assertEquals(p.__str__().lower(), wkb.lower())
def test_multigeometry_changedimensionality(self):
"""
change dimensionality of a MultiGeometry
"""
wkb = wkb_gc
geom = Geometry(wkb)
self.assertEquals(geom.dimz, False)
self.assertEquals(geom.dimm, False)
geom.dimz = True
geom.dimm = True
self.assertEquals(geom.dimz, True)
self.assertEquals(geom.dimm, True)
geom.srid = geom.srid # clear cached WKB
self.assertNotEquals(geom.__str__().lower(), wkb.lower())
def test_read_ewkb_point_srid(self):
"""
read EWKB Point,4326
"""
wkb = "0101000020E610000000000000000000000000000000000000"
geom = Geometry(wkb)
self.assertEquals(geom.type, "Point")
self.assertEquals(geom.srid, 4326)
self.assertEquals(geom.dimz, False)
self.assertEquals(geom.dimm, False)
postgis_type = "geometry(Point,4326)"
self.assertEquals(geom.postgis_type, postgis_type)
self.assertEquals(geom.__repr__(), "<Point: 'geometry(Point,4326)'>")
geom.srid = geom.srid # clear cached WKB
self.assertEquals(geom.__str__().lower(), wkb.lower())
def test_read_wkb_point(self):
"""
read WKB Point
"""
wkb = "010100000000000000000000000000000000000000"
geom = Geometry(wkb)
self.assertEquals(geom.type, "Point")
self.assertIsNone(geom.srid)
self.assertEquals(geom.dimz, False)
self.assertEquals(geom.dimm, False)
postgis_type = "geometry(Point)"
self.assertEquals(geom.postgis_type, postgis_type)
self.assertEquals(geom.__repr__(), "<Point: 'geometry(Point)'>")
geom.srid = geom.srid # clear cached WKB
self.assertEquals(geom.__str__().lower(), wkb.lower())
def test_read_wkb_polygon(self):
"""
read WKB Polygon
"""
wkb = wkb_pg
geom = Geometry(wkb)
self.assertEquals(geom.type, "Polygon")
self.assertEquals(geom.srid, None)
self.assertEquals(geom.dimz, False)
self.assertEquals(geom.dimm, False)
postgis_type = "geometry(Polygon)"
self.assertEquals(geom.exterior.type, "LineString")
self.assertEquals(geom.postgis_type, postgis_type)
self.assertEquals(geom.__repr__(), "<Polygon: 'geometry(Polygon)'>")
geom.srid = geom.srid # clear cached WKB
self.assertEquals(geom.__str__().lower(), wkb.lower())
def test_read_wkb_linestring(self):
"""
read WKB LineString
"""
wkb = wkb_ln
geom = Geometry(wkb)
self.assertEquals(geom.type, "LineString")
self.assertEquals(geom.srid, None)
self.assertEquals(geom.dimz, False)
self.assertEquals(geom.dimm, False)
postgis_type = "geometry(LineString)"
geom.vertices
self.assertEquals(geom.postgis_type, postgis_type)
self.assertEquals(geom.__repr__(),
"<LineString: 'geometry(LineString)'>")
geom.srid = geom.srid # clear cached WKB
self.assertEquals(geom.__str__().lower(), wkb.lower())
def test_read_wkb_multipolygon(self):
"""
read WKB MultiPolygon
"""
wkb = wkb_mpg
geom = Geometry(wkb)
self.assertEquals(geom.type, "MultiPolygon")
self.assertEquals(geom.srid, None)
self.assertEquals(geom.dimz, False)
self.assertEquals(geom.dimm, False)
postgis_type = "geometry(MultiPolygon)"
self.assertEquals(geom.postgis_type, postgis_type)
self.assertEquals(geom.__repr__(),
"<MultiPolygon: 'geometry(MultiPolygon)'>")
geom.srid = geom.srid # clear cached WKB
self.assertEquals(geom.__str__().lower(), wkb.lower())
for g in geom.geometries:
self.assertEquals(g.type, "Polygon")
def test_read_wkb_multilinestring(self):
"""
read WKB MultiLineString
"""
wkb = wkb_mln
geom = Geometry(wkb)
self.assertEquals(geom.type, "MultiLineString")
self.assertEquals(geom.srid, None)
self.assertEquals(geom.dimz, False)
self.assertEquals(geom.dimm, True)
postgis_type = "geometry(MultiLineStringM)"
self.assertEquals(geom.postgis_type, postgis_type)
self.assertEquals(geom.__repr__(),
"<MultiLineString: 'geometry(MultiLineStringM)'>")
geom.srid = geom.srid # clear cached WKB
self.assertEquals(geom.__str__().lower(), wkb.lower())
for g in geom.geometries:
self.assertEquals(g.type, "LineString")
def test_read_wkb_geometrycollection(self):
"""
read WKB GeometryCollection
"""
wkb = wkb_gc
geom = Geometry(wkb)
self.assertEquals(geom.type, "GeometryCollection")
self.assertEquals(geom.srid, None)
self.assertEquals(geom.dimz, False)
self.assertEquals(geom.dimm, False)
postgis_type = "geometry(GeometryCollection)"
self.assertEquals(geom.postgis_type, postgis_type)
self.assertEquals(
geom.__repr__(),
"<GeometryCollection: 'geometry(GeometryCollection)'>")
geom.srid = geom.srid # clear cached WKB
self.assertEquals(geom.__str__().lower(), wkb.lower())
self.assertEquals(geom.geometries[0].type, "Point")
self.assertEquals(geom.geometries[1].type, "LineString")
