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Diffstat (limited to 'lib/python2.7/site-packages/django/contrib/gis/geos/tests')
5 files changed, 1755 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/django/contrib/gis/geos/tests/__init__.py b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/__init__.py diff --git a/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_geos.py b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_geos.py new file mode 100644 index 0000000..c8e064b --- /dev/null +++ b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_geos.py @@ -0,0 +1,1108 @@ +from __future__ import unicode_literals + +import ctypes +import json +import random +from binascii import a2b_hex, b2a_hex +from io import BytesIO + +from django.contrib.gis.gdal import HAS_GDAL + +from django.contrib.gis import memoryview +from django.contrib.gis.geometry.test_data import TestDataMixin + +from django.utils.encoding import force_bytes +from django.utils import six +from django.utils.six.moves import xrange +from django.utils import unittest +from django.utils.unittest import skipUnless + +from .. import HAS_GEOS + +if HAS_GEOS: + from .. import (GEOSException, GEOSIndexError, GEOSGeometry, + GeometryCollection, Point, MultiPoint, Polygon, MultiPolygon, LinearRing, + LineString, MultiLineString, fromfile, fromstr, geos_version_info, + GEOS_PREPARE) + from ..base import gdal, numpy, GEOSBase + + +@skipUnless(HAS_GEOS, "Geos is required.") +class GEOSTest(unittest.TestCase, TestDataMixin): + + @property + def null_srid(self): + """ + Returns the proper null SRID depending on the GEOS version. + See the comments in `test_srid` for more details. + """ + info = geos_version_info() + if info['version'] == '3.0.0' and info['release_candidate']: + return -1 + else: + return None + + def test_base(self): + "Tests out the GEOSBase class." + # Testing out GEOSBase class, which provides a `ptr` property + # that abstracts out access to underlying C pointers. + class FakeGeom1(GEOSBase): + pass + + # This one only accepts pointers to floats + c_float_p = ctypes.POINTER(ctypes.c_float) + class FakeGeom2(GEOSBase): + ptr_type = c_float_p + + # Default ptr_type is `c_void_p`. + fg1 = FakeGeom1() + # Default ptr_type is C float pointer + fg2 = FakeGeom2() + + # These assignments are OK -- None is allowed because + # it's equivalent to the NULL pointer. + fg1.ptr = ctypes.c_void_p() + fg1.ptr = None + fg2.ptr = c_float_p(ctypes.c_float(5.23)) + fg2.ptr = None + + # Because pointers have been set to NULL, an exception should be + # raised when we try to access it. Raising an exception is + # preferrable to a segmentation fault that commonly occurs when + # a C method is given a NULL memory reference. + for fg in (fg1, fg2): + # Equivalent to `fg.ptr` + self.assertRaises(GEOSException, fg._get_ptr) + + # Anything that is either not None or the acceptable pointer type will + # result in a TypeError when trying to assign it to the `ptr` property. + # Thus, memmory addresses (integers) and pointers of the incorrect type + # (in `bad_ptrs`) will not be allowed. + bad_ptrs = (5, ctypes.c_char_p(b'foobar')) + for bad_ptr in bad_ptrs: + # Equivalent to `fg.ptr = bad_ptr` + self.assertRaises(TypeError, fg1._set_ptr, bad_ptr) + self.assertRaises(TypeError, fg2._set_ptr, bad_ptr) + + def test_wkt(self): + "Testing WKT output." + for g in self.geometries.wkt_out: + geom = fromstr(g.wkt) + if geom.hasz and geos_version_info()['version'] >= '3.3.0': + self.assertEqual(g.ewkt, geom.wkt) + + def test_hex(self): + "Testing HEX output." + for g in self.geometries.hex_wkt: + geom = fromstr(g.wkt) + self.assertEqual(g.hex, geom.hex.decode()) + + def test_hexewkb(self): + "Testing (HEX)EWKB output." + # For testing HEX(EWKB). + ogc_hex = b'01010000000000000000000000000000000000F03F' + ogc_hex_3d = b'01010000800000000000000000000000000000F03F0000000000000040' + # `SELECT ST_AsHEXEWKB(ST_GeomFromText('POINT(0 1)', 4326));` + hexewkb_2d = b'0101000020E61000000000000000000000000000000000F03F' + # `SELECT ST_AsHEXEWKB(ST_GeomFromEWKT('SRID=4326;POINT(0 1 2)'));` + hexewkb_3d = b'01010000A0E61000000000000000000000000000000000F03F0000000000000040' + + pnt_2d = Point(0, 1, srid=4326) + pnt_3d = Point(0, 1, 2, srid=4326) + + # OGC-compliant HEX will not have SRID value. + self.assertEqual(ogc_hex, pnt_2d.hex) + self.assertEqual(ogc_hex_3d, pnt_3d.hex) + + # HEXEWKB should be appropriate for its dimension -- have to use an + # a WKBWriter w/dimension set accordingly, else GEOS will insert + # garbage into 3D coordinate if there is none. Also, GEOS has a + # a bug in versions prior to 3.1 that puts the X coordinate in + # place of Z; an exception should be raised on those versions. + self.assertEqual(hexewkb_2d, pnt_2d.hexewkb) + if GEOS_PREPARE: + self.assertEqual(hexewkb_3d, pnt_3d.hexewkb) + self.assertEqual(True, GEOSGeometry(hexewkb_3d).hasz) + else: + try: + hexewkb = pnt_3d.hexewkb + except GEOSException: + pass + else: + self.fail('Should have raised GEOSException.') + + # Same for EWKB. + self.assertEqual(memoryview(a2b_hex(hexewkb_2d)), pnt_2d.ewkb) + if GEOS_PREPARE: + self.assertEqual(memoryview(a2b_hex(hexewkb_3d)), pnt_3d.ewkb) + else: + try: + ewkb = pnt_3d.ewkb + except GEOSException: + pass + else: + self.fail('Should have raised GEOSException') + + # Redundant sanity check. + self.assertEqual(4326, GEOSGeometry(hexewkb_2d).srid) + + def test_kml(self): + "Testing KML output." + for tg in self.geometries.wkt_out: + geom = fromstr(tg.wkt) + kml = getattr(tg, 'kml', False) + if kml: self.assertEqual(kml, geom.kml) + + def test_errors(self): + "Testing the Error handlers." + # string-based + for err in self.geometries.errors: + with self.assertRaises((GEOSException, ValueError)): + _ = fromstr(err.wkt) + + # Bad WKB + self.assertRaises(GEOSException, GEOSGeometry, memoryview(b'0')) + + class NotAGeometry(object): + pass + + # Some other object + self.assertRaises(TypeError, GEOSGeometry, NotAGeometry()) + # None + self.assertRaises(TypeError, GEOSGeometry, None) + + def test_wkb(self): + "Testing WKB output." + for g in self.geometries.hex_wkt: + geom = fromstr(g.wkt) + wkb = geom.wkb + self.assertEqual(b2a_hex(wkb).decode().upper(), g.hex) + + def test_create_hex(self): + "Testing creation from HEX." + for g in self.geometries.hex_wkt: + geom_h = GEOSGeometry(g.hex) + # we need to do this so decimal places get normalised + geom_t = fromstr(g.wkt) + self.assertEqual(geom_t.wkt, geom_h.wkt) + + def test_create_wkb(self): + "Testing creation from WKB." + for g in self.geometries.hex_wkt: + wkb = memoryview(a2b_hex(g.hex.encode())) + geom_h = GEOSGeometry(wkb) + # we need to do this so decimal places get normalised + geom_t = fromstr(g.wkt) + self.assertEqual(geom_t.wkt, geom_h.wkt) + + def test_ewkt(self): + "Testing EWKT." + srids = (-1, 32140) + for srid in srids: + for p in self.geometries.polygons: + ewkt = 'SRID=%d;%s' % (srid, p.wkt) + poly = fromstr(ewkt) + self.assertEqual(srid, poly.srid) + self.assertEqual(srid, poly.shell.srid) + self.assertEqual(srid, fromstr(poly.ewkt).srid) # Checking export + + @skipUnless(HAS_GDAL, "GDAL is required.") + def test_json(self): + "Testing GeoJSON input/output (via GDAL)." + for g in self.geometries.json_geoms: + geom = GEOSGeometry(g.wkt) + if not hasattr(g, 'not_equal'): + # Loading jsons to prevent decimal differences + self.assertEqual(json.loads(g.json), json.loads(geom.json)) + self.assertEqual(json.loads(g.json), json.loads(geom.geojson)) + self.assertEqual(GEOSGeometry(g.wkt), GEOSGeometry(geom.json)) + + def test_fromfile(self): + "Testing the fromfile() factory." + ref_pnt = GEOSGeometry('POINT(5 23)') + + wkt_f = BytesIO() + wkt_f.write(force_bytes(ref_pnt.wkt)) + wkb_f = BytesIO() + wkb_f.write(bytes(ref_pnt.wkb)) + + # Other tests use `fromfile()` on string filenames so those + # aren't tested here. + for fh in (wkt_f, wkb_f): + fh.seek(0) + pnt = fromfile(fh) + self.assertEqual(ref_pnt, pnt) + + def test_eq(self): + "Testing equivalence." + p = fromstr('POINT(5 23)') + self.assertEqual(p, p.wkt) + self.assertNotEqual(p, 'foo') + ls = fromstr('LINESTRING(0 0, 1 1, 5 5)') + self.assertEqual(ls, ls.wkt) + self.assertNotEqual(p, 'bar') + # Error shouldn't be raise on equivalence testing with + # an invalid type. + for g in (p, ls): + self.assertNotEqual(g, None) + self.assertNotEqual(g, {'foo' : 'bar'}) + self.assertNotEqual(g, False) + + def test_points(self): + "Testing Point objects." + prev = fromstr('POINT(0 0)') + for p in self.geometries.points: + # Creating the point from the WKT + pnt = fromstr(p.wkt) + self.assertEqual(pnt.geom_type, 'Point') + self.assertEqual(pnt.geom_typeid, 0) + self.assertEqual(p.x, pnt.x) + self.assertEqual(p.y, pnt.y) + self.assertEqual(True, pnt == fromstr(p.wkt)) + self.assertEqual(False, pnt == prev) + + # Making sure that the point's X, Y components are what we expect + self.assertAlmostEqual(p.x, pnt.tuple[0], 9) + self.assertAlmostEqual(p.y, pnt.tuple[1], 9) + + # Testing the third dimension, and getting the tuple arguments + if hasattr(p, 'z'): + self.assertEqual(True, pnt.hasz) + self.assertEqual(p.z, pnt.z) + self.assertEqual(p.z, pnt.tuple[2], 9) + tup_args = (p.x, p.y, p.z) + set_tup1 = (2.71, 3.14, 5.23) + set_tup2 = (5.23, 2.71, 3.14) + else: + self.assertEqual(False, pnt.hasz) + self.assertEqual(None, pnt.z) + tup_args = (p.x, p.y) + set_tup1 = (2.71, 3.14) + set_tup2 = (3.14, 2.71) + + # Centroid operation on point should be point itself + self.assertEqual(p.centroid, pnt.centroid.tuple) + + # Now testing the different constructors + pnt2 = Point(tup_args) # e.g., Point((1, 2)) + pnt3 = Point(*tup_args) # e.g., Point(1, 2) + self.assertEqual(True, pnt == pnt2) + self.assertEqual(True, pnt == pnt3) + + # Now testing setting the x and y + pnt.y = 3.14 + pnt.x = 2.71 + self.assertEqual(3.14, pnt.y) + self.assertEqual(2.71, pnt.x) + + # Setting via the tuple/coords property + pnt.tuple = set_tup1 + self.assertEqual(set_tup1, pnt.tuple) + pnt.coords = set_tup2 + self.assertEqual(set_tup2, pnt.coords) + + prev = pnt # setting the previous geometry + + def test_multipoints(self): + "Testing MultiPoint objects." + for mp in self.geometries.multipoints: + mpnt = fromstr(mp.wkt) + self.assertEqual(mpnt.geom_type, 'MultiPoint') + self.assertEqual(mpnt.geom_typeid, 4) + + self.assertAlmostEqual(mp.centroid[0], mpnt.centroid.tuple[0], 9) + self.assertAlmostEqual(mp.centroid[1], mpnt.centroid.tuple[1], 9) + + self.assertRaises(GEOSIndexError, mpnt.__getitem__, len(mpnt)) + self.assertEqual(mp.centroid, mpnt.centroid.tuple) + self.assertEqual(mp.coords, tuple(m.tuple for m in mpnt)) + for p in mpnt: + self.assertEqual(p.geom_type, 'Point') + self.assertEqual(p.geom_typeid, 0) + self.assertEqual(p.empty, False) + self.assertEqual(p.valid, True) + + def test_linestring(self): + "Testing LineString objects." + prev = fromstr('POINT(0 0)') + for l in self.geometries.linestrings: + ls = fromstr(l.wkt) + self.assertEqual(ls.geom_type, 'LineString') + self.assertEqual(ls.geom_typeid, 1) + self.assertEqual(ls.empty, False) + self.assertEqual(ls.ring, False) + if hasattr(l, 'centroid'): + self.assertEqual(l.centroid, ls.centroid.tuple) + if hasattr(l, 'tup'): + self.assertEqual(l.tup, ls.tuple) + + self.assertEqual(True, ls == fromstr(l.wkt)) + self.assertEqual(False, ls == prev) + self.assertRaises(GEOSIndexError, ls.__getitem__, len(ls)) + prev = ls + + # Creating a LineString from a tuple, list, and numpy array + self.assertEqual(ls, LineString(ls.tuple)) # tuple + self.assertEqual(ls, LineString(*ls.tuple)) # as individual arguments + self.assertEqual(ls, LineString([list(tup) for tup in ls.tuple])) # as list + self.assertEqual(ls.wkt, LineString(*tuple(Point(tup) for tup in ls.tuple)).wkt) # Point individual arguments + if numpy: self.assertEqual(ls, LineString(numpy.array(ls.tuple))) # as numpy array + + def test_multilinestring(self): + "Testing MultiLineString objects." + prev = fromstr('POINT(0 0)') + for l in self.geometries.multilinestrings: + ml = fromstr(l.wkt) + self.assertEqual(ml.geom_type, 'MultiLineString') + self.assertEqual(ml.geom_typeid, 5) + + self.assertAlmostEqual(l.centroid[0], ml.centroid.x, 9) + self.assertAlmostEqual(l.centroid[1], ml.centroid.y, 9) + + self.assertEqual(True, ml == fromstr(l.wkt)) + self.assertEqual(False, ml == prev) + prev = ml + + for ls in ml: + self.assertEqual(ls.geom_type, 'LineString') + self.assertEqual(ls.geom_typeid, 1) + self.assertEqual(ls.empty, False) + + self.assertRaises(GEOSIndexError, ml.__getitem__, len(ml)) + self.assertEqual(ml.wkt, MultiLineString(*tuple(s.clone() for s in ml)).wkt) + self.assertEqual(ml, MultiLineString(*tuple(LineString(s.tuple) for s in ml))) + + def test_linearring(self): + "Testing LinearRing objects." + for rr in self.geometries.linearrings: + lr = fromstr(rr.wkt) + self.assertEqual(lr.geom_type, 'LinearRing') + self.assertEqual(lr.geom_typeid, 2) + self.assertEqual(rr.n_p, len(lr)) + self.assertEqual(True, lr.valid) + self.assertEqual(False, lr.empty) + + # Creating a LinearRing from a tuple, list, and numpy array + self.assertEqual(lr, LinearRing(lr.tuple)) + self.assertEqual(lr, LinearRing(*lr.tuple)) + self.assertEqual(lr, LinearRing([list(tup) for tup in lr.tuple])) + if numpy: self.assertEqual(lr, LinearRing(numpy.array(lr.tuple))) + + def test_polygons_from_bbox(self): + "Testing `from_bbox` class method." + bbox = (-180, -90, 180, 90) + p = Polygon.from_bbox(bbox) + self.assertEqual(bbox, p.extent) + + # Testing numerical precision + x = 3.14159265358979323 + bbox = (0, 0, 1, x) + p = Polygon.from_bbox(bbox) + y = p.extent[-1] + self.assertEqual(format(x, '.13f'), format(y, '.13f')) + + def test_polygons(self): + "Testing Polygon objects." + + prev = fromstr('POINT(0 0)') + for p in self.geometries.polygons: + # Creating the Polygon, testing its properties. + poly = fromstr(p.wkt) + self.assertEqual(poly.geom_type, 'Polygon') + self.assertEqual(poly.geom_typeid, 3) + self.assertEqual(poly.empty, False) + self.assertEqual(poly.ring, False) + self.assertEqual(p.n_i, poly.num_interior_rings) + self.assertEqual(p.n_i + 1, len(poly)) # Testing __len__ + self.assertEqual(p.n_p, poly.num_points) + + # Area & Centroid + self.assertAlmostEqual(p.area, poly.area, 9) + self.assertAlmostEqual(p.centroid[0], poly.centroid.tuple[0], 9) + self.assertAlmostEqual(p.centroid[1], poly.centroid.tuple[1], 9) + + # Testing the geometry equivalence + self.assertEqual(True, poly == fromstr(p.wkt)) + self.assertEqual(False, poly == prev) # Should not be equal to previous geometry + self.assertEqual(True, poly != prev) + + # Testing the exterior ring + ring = poly.exterior_ring + self.assertEqual(ring.geom_type, 'LinearRing') + self.assertEqual(ring.geom_typeid, 2) + if p.ext_ring_cs: + self.assertEqual(p.ext_ring_cs, ring.tuple) + self.assertEqual(p.ext_ring_cs, poly[0].tuple) # Testing __getitem__ + + # Testing __getitem__ and __setitem__ on invalid indices + self.assertRaises(GEOSIndexError, poly.__getitem__, len(poly)) + self.assertRaises(GEOSIndexError, poly.__setitem__, len(poly), False) + self.assertRaises(GEOSIndexError, poly.__getitem__, -1 * len(poly) - 1) + + # Testing __iter__ + for r in poly: + self.assertEqual(r.geom_type, 'LinearRing') + self.assertEqual(r.geom_typeid, 2) + + # Testing polygon construction. + self.assertRaises(TypeError, Polygon, 0, [1, 2, 3]) + self.assertRaises(TypeError, Polygon, 'foo') + + # Polygon(shell, (hole1, ... holeN)) + rings = tuple(r for r in poly) + self.assertEqual(poly, Polygon(rings[0], rings[1:])) + + # Polygon(shell_tuple, hole_tuple1, ... , hole_tupleN) + ring_tuples = tuple(r.tuple for r in poly) + self.assertEqual(poly, Polygon(*ring_tuples)) + + # Constructing with tuples of LinearRings. + self.assertEqual(poly.wkt, Polygon(*tuple(r for r in poly)).wkt) + self.assertEqual(poly.wkt, Polygon(*tuple(LinearRing(r.tuple) for r in poly)).wkt) + + def test_polygon_comparison(self): + p1 = Polygon(((0, 0), (0, 1), (1, 1), (1, 0), (0, 0))) + p2 = Polygon(((0, 0), (0, 1), (1, 0), (0, 0))) + self.assertTrue(p1 > p2) + self.assertFalse(p1 < p2) + self.assertFalse(p2 > p1) + self.assertTrue(p2 < p1) + + p3 = Polygon(((0, 0), (0, 1), (1, 1), (2, 0), (0, 0))) + p4 = Polygon(((0, 0), (0, 1), (2, 2), (1, 0), (0, 0))) + self.assertFalse(p4 < p3) + self.assertTrue(p3 < p4) + self.assertTrue(p4 > p3) + self.assertFalse(p3 > p4) + + def test_multipolygons(self): + "Testing MultiPolygon objects." + prev = fromstr('POINT (0 0)') + for mp in self.geometries.multipolygons: + mpoly = fromstr(mp.wkt) + self.assertEqual(mpoly.geom_type, 'MultiPolygon') + self.assertEqual(mpoly.geom_typeid, 6) + self.assertEqual(mp.valid, mpoly.valid) + + if mp.valid: + self.assertEqual(mp.num_geom, mpoly.num_geom) + self.assertEqual(mp.n_p, mpoly.num_coords) + self.assertEqual(mp.num_geom, len(mpoly)) + self.assertRaises(GEOSIndexError, mpoly.__getitem__, len(mpoly)) + for p in mpoly: + self.assertEqual(p.geom_type, 'Polygon') + self.assertEqual(p.geom_typeid, 3) + self.assertEqual(p.valid, True) + self.assertEqual(mpoly.wkt, MultiPolygon(*tuple(poly.clone() for poly in mpoly)).wkt) + + def test_memory_hijinks(self): + "Testing Geometry __del__() on rings and polygons." + #### Memory issues with rings and polygons + + # These tests are needed to ensure sanity with writable geometries. + + # Getting a polygon with interior rings, and pulling out the interior rings + poly = fromstr(self.geometries.polygons[1].wkt) + ring1 = poly[0] + ring2 = poly[1] + + # These deletes should be 'harmless' since they are done on child geometries + del ring1 + del ring2 + ring1 = poly[0] + ring2 = poly[1] + + # Deleting the polygon + del poly + + # Access to these rings is OK since they are clones. + s1, s2 = str(ring1), str(ring2) + + def test_coord_seq(self): + "Testing Coordinate Sequence objects." + for p in self.geometries.polygons: + if p.ext_ring_cs: + # Constructing the polygon and getting the coordinate sequence + poly = fromstr(p.wkt) + cs = poly.exterior_ring.coord_seq + + self.assertEqual(p.ext_ring_cs, cs.tuple) # done in the Polygon test too. + self.assertEqual(len(p.ext_ring_cs), len(cs)) # Making sure __len__ works + + # Checks __getitem__ and __setitem__ + for i in xrange(len(p.ext_ring_cs)): + c1 = p.ext_ring_cs[i] # Expected value + c2 = cs[i] # Value from coordseq + self.assertEqual(c1, c2) + + # Constructing the test value to set the coordinate sequence with + if len(c1) == 2: tset = (5, 23) + else: tset = (5, 23, 8) + cs[i] = tset + + # Making sure every set point matches what we expect + for j in range(len(tset)): + cs[i] = tset + self.assertEqual(tset[j], cs[i][j]) + + def test_relate_pattern(self): + "Testing relate() and relate_pattern()." + g = fromstr('POINT (0 0)') + self.assertRaises(GEOSException, g.relate_pattern, 0, 'invalid pattern, yo') + for rg in self.geometries.relate_geoms: + a = fromstr(rg.wkt_a) + b = fromstr(rg.wkt_b) + self.assertEqual(rg.result, a.relate_pattern(b, rg.pattern)) + self.assertEqual(rg.pattern, a.relate(b)) + + def test_intersection(self): + "Testing intersects() and intersection()." + for i in xrange(len(self.geometries.topology_geoms)): + a = fromstr(self.geometries.topology_geoms[i].wkt_a) + b = fromstr(self.geometries.topology_geoms[i].wkt_b) + i1 = fromstr(self.geometries.intersect_geoms[i].wkt) + self.assertEqual(True, a.intersects(b)) + i2 = a.intersection(b) + self.assertEqual(i1, i2) + self.assertEqual(i1, a & b) # __and__ is intersection operator + a &= b # testing __iand__ + self.assertEqual(i1, a) + + def test_union(self): + "Testing union()." + for i in xrange(len(self.geometries.topology_geoms)): + a = fromstr(self.geometries.topology_geoms[i].wkt_a) + b = fromstr(self.geometries.topology_geoms[i].wkt_b) + u1 = fromstr(self.geometries.union_geoms[i].wkt) + u2 = a.union(b) + self.assertEqual(u1, u2) + self.assertEqual(u1, a | b) # __or__ is union operator + a |= b # testing __ior__ + self.assertEqual(u1, a) + + def test_difference(self): + "Testing difference()." + for i in xrange(len(self.geometries.topology_geoms)): + a = fromstr(self.geometries.topology_geoms[i].wkt_a) + b = fromstr(self.geometries.topology_geoms[i].wkt_b) + d1 = fromstr(self.geometries.diff_geoms[i].wkt) + d2 = a.difference(b) + self.assertEqual(d1, d2) + self.assertEqual(d1, a - b) # __sub__ is difference operator + a -= b # testing __isub__ + self.assertEqual(d1, a) + + def test_symdifference(self): + "Testing sym_difference()." + for i in xrange(len(self.geometries.topology_geoms)): + a = fromstr(self.geometries.topology_geoms[i].wkt_a) + b = fromstr(self.geometries.topology_geoms[i].wkt_b) + d1 = fromstr(self.geometries.sdiff_geoms[i].wkt) + d2 = a.sym_difference(b) + self.assertEqual(d1, d2) + self.assertEqual(d1, a ^ b) # __xor__ is symmetric difference operator + a ^= b # testing __ixor__ + self.assertEqual(d1, a) + + def test_buffer(self): + "Testing buffer()." + for bg in self.geometries.buffer_geoms: + g = fromstr(bg.wkt) + + # The buffer we expect + exp_buf = fromstr(bg.buffer_wkt) + quadsegs = bg.quadsegs + width = bg.width + + # Can't use a floating-point for the number of quadsegs. + self.assertRaises(ctypes.ArgumentError, g.buffer, width, float(quadsegs)) + + # Constructing our buffer + buf = g.buffer(width, quadsegs) + self.assertEqual(exp_buf.num_coords, buf.num_coords) + self.assertEqual(len(exp_buf), len(buf)) + + # Now assuring that each point in the buffer is almost equal + for j in xrange(len(exp_buf)): + exp_ring = exp_buf[j] + buf_ring = buf[j] + self.assertEqual(len(exp_ring), len(buf_ring)) + for k in xrange(len(exp_ring)): + # Asserting the X, Y of each point are almost equal (due to floating point imprecision) + self.assertAlmostEqual(exp_ring[k][0], buf_ring[k][0], 9) + self.assertAlmostEqual(exp_ring[k][1], buf_ring[k][1], 9) + + def test_srid(self): + "Testing the SRID property and keyword." + # Testing SRID keyword on Point + pnt = Point(5, 23, srid=4326) + self.assertEqual(4326, pnt.srid) + pnt.srid = 3084 + self.assertEqual(3084, pnt.srid) + self.assertRaises(ctypes.ArgumentError, pnt.set_srid, '4326') + + # Testing SRID keyword on fromstr(), and on Polygon rings. + poly = fromstr(self.geometries.polygons[1].wkt, srid=4269) + self.assertEqual(4269, poly.srid) + for ring in poly: self.assertEqual(4269, ring.srid) + poly.srid = 4326 + self.assertEqual(4326, poly.shell.srid) + + # Testing SRID keyword on GeometryCollection + gc = GeometryCollection(Point(5, 23), LineString((0, 0), (1.5, 1.5), (3, 3)), srid=32021) + self.assertEqual(32021, gc.srid) + for i in range(len(gc)): self.assertEqual(32021, gc[i].srid) + + # GEOS may get the SRID from HEXEWKB + # 'POINT(5 23)' at SRID=4326 in hex form -- obtained from PostGIS + # using `SELECT GeomFromText('POINT (5 23)', 4326);`. + hex = '0101000020E610000000000000000014400000000000003740' + p1 = fromstr(hex) + self.assertEqual(4326, p1.srid) + + # In GEOS 3.0.0rc1-4 when the EWKB and/or HEXEWKB is exported, + # the SRID information is lost and set to -1 -- this is not a + # problem on the 3.0.0 version (another reason to upgrade). + exp_srid = self.null_srid + + p2 = fromstr(p1.hex) + self.assertEqual(exp_srid, p2.srid) + p3 = fromstr(p1.hex, srid=-1) # -1 is intended. + self.assertEqual(-1, p3.srid) + + @skipUnless(HAS_GDAL, "GDAL is required.") + def test_custom_srid(self): + """ Test with a srid unknown from GDAL """ + pnt = Point(111200, 220900, srid=999999) + self.assertTrue(pnt.ewkt.startswith("SRID=999999;POINT (111200.0")) + self.assertIsInstance(pnt.ogr, gdal.OGRGeometry) + self.assertIsNone(pnt.srs) + + # Test conversion from custom to a known srid + c2w = gdal.CoordTransform( + gdal.SpatialReference('+proj=mill +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +R_A +ellps=WGS84 +datum=WGS84 +units=m +no_defs'), + gdal.SpatialReference(4326)) + new_pnt = pnt.transform(c2w, clone=True) + self.assertEqual(new_pnt.srid, 4326) + self.assertAlmostEqual(new_pnt.x, 1, 3) + self.assertAlmostEqual(new_pnt.y, 2, 3) + + def test_mutable_geometries(self): + "Testing the mutability of Polygons and Geometry Collections." + ### Testing the mutability of Polygons ### + for p in self.geometries.polygons: + poly = fromstr(p.wkt) + + # Should only be able to use __setitem__ with LinearRing geometries. + self.assertRaises(TypeError, poly.__setitem__, 0, LineString((1, 1), (2, 2))) + + # Constructing the new shell by adding 500 to every point in the old shell. + shell_tup = poly.shell.tuple + new_coords = [] + for point in shell_tup: new_coords.append((point[0] + 500., point[1] + 500.)) + new_shell = LinearRing(*tuple(new_coords)) + + # Assigning polygon's exterior ring w/the new shell + poly.exterior_ring = new_shell + s = str(new_shell) # new shell is still accessible + self.assertEqual(poly.exterior_ring, new_shell) + self.assertEqual(poly[0], new_shell) + + ### Testing the mutability of Geometry Collections + for tg in self.geometries.multipoints: + mp = fromstr(tg.wkt) + for i in range(len(mp)): + # Creating a random point. + pnt = mp[i] + new = Point(random.randint(21, 100), random.randint(21, 100)) + # Testing the assignment + mp[i] = new + s = str(new) # what was used for the assignment is still accessible + self.assertEqual(mp[i], new) + self.assertEqual(mp[i].wkt, new.wkt) + self.assertNotEqual(pnt, mp[i]) + + # MultiPolygons involve much more memory management because each + # Polygon w/in the collection has its own rings. + for tg in self.geometries.multipolygons: + mpoly = fromstr(tg.wkt) + for i in xrange(len(mpoly)): + poly = mpoly[i] + old_poly = mpoly[i] + # Offsetting the each ring in the polygon by 500. + for j in xrange(len(poly)): + r = poly[j] + for k in xrange(len(r)): r[k] = (r[k][0] + 500., r[k][1] + 500.) + poly[j] = r + + self.assertNotEqual(mpoly[i], poly) + # Testing the assignment + mpoly[i] = poly + s = str(poly) # Still accessible + self.assertEqual(mpoly[i], poly) + self.assertNotEqual(mpoly[i], old_poly) + + # Extreme (!!) __setitem__ -- no longer works, have to detect + # in the first object that __setitem__ is called in the subsequent + # objects -- maybe mpoly[0, 0, 0] = (3.14, 2.71)? + #mpoly[0][0][0] = (3.14, 2.71) + #self.assertEqual((3.14, 2.71), mpoly[0][0][0]) + # Doing it more slowly.. + #self.assertEqual((3.14, 2.71), mpoly[0].shell[0]) + #del mpoly + + def test_threed(self): + "Testing three-dimensional geometries." + # Testing a 3D Point + pnt = Point(2, 3, 8) + self.assertEqual((2.,3.,8.), pnt.coords) + self.assertRaises(TypeError, pnt.set_coords, (1.,2.)) + pnt.coords = (1.,2.,3.) + self.assertEqual((1.,2.,3.), pnt.coords) + + # Testing a 3D LineString + ls = LineString((2., 3., 8.), (50., 250., -117.)) + self.assertEqual(((2.,3.,8.), (50.,250.,-117.)), ls.tuple) + self.assertRaises(TypeError, ls.__setitem__, 0, (1.,2.)) + ls[0] = (1.,2.,3.) + self.assertEqual((1.,2.,3.), ls[0]) + + def test_distance(self): + "Testing the distance() function." + # Distance to self should be 0. + pnt = Point(0, 0) + self.assertEqual(0.0, pnt.distance(Point(0, 0))) + + # Distance should be 1 + self.assertEqual(1.0, pnt.distance(Point(0, 1))) + + # Distance should be ~ sqrt(2) + self.assertAlmostEqual(1.41421356237, pnt.distance(Point(1, 1)), 11) + + # Distances are from the closest vertex in each geometry -- + # should be 3 (distance from (2, 2) to (5, 2)). + ls1 = LineString((0, 0), (1, 1), (2, 2)) + ls2 = LineString((5, 2), (6, 1), (7, 0)) + self.assertEqual(3, ls1.distance(ls2)) + + def test_length(self): + "Testing the length property." + # Points have 0 length. + pnt = Point(0, 0) + self.assertEqual(0.0, pnt.length) + + # Should be ~ sqrt(2) + ls = LineString((0, 0), (1, 1)) + self.assertAlmostEqual(1.41421356237, ls.length, 11) + + # Should be circumfrence of Polygon + poly = Polygon(LinearRing((0, 0), (0, 1), (1, 1), (1, 0), (0, 0))) + self.assertEqual(4.0, poly.length) + + # Should be sum of each element's length in collection. + mpoly = MultiPolygon(poly.clone(), poly) + self.assertEqual(8.0, mpoly.length) + + def test_emptyCollections(self): + "Testing empty geometries and collections." + gc1 = GeometryCollection([]) + gc2 = fromstr('GEOMETRYCOLLECTION EMPTY') + pnt = fromstr('POINT EMPTY') + ls = fromstr('LINESTRING EMPTY') + poly = fromstr('POLYGON EMPTY') + mls = fromstr('MULTILINESTRING EMPTY') + mpoly1 = fromstr('MULTIPOLYGON EMPTY') + mpoly2 = MultiPolygon(()) + + for g in [gc1, gc2, pnt, ls, poly, mls, mpoly1, mpoly2]: + self.assertEqual(True, g.empty) + + # Testing len() and num_geom. + if isinstance(g, Polygon): + self.assertEqual(1, len(g)) # Has one empty linear ring + self.assertEqual(1, g.num_geom) + self.assertEqual(0, len(g[0])) + elif isinstance(g, (Point, LineString)): + self.assertEqual(1, g.num_geom) + self.assertEqual(0, len(g)) + else: + self.assertEqual(0, g.num_geom) + self.assertEqual(0, len(g)) + + # Testing __getitem__ (doesn't work on Point or Polygon) + if isinstance(g, Point): + self.assertRaises(GEOSIndexError, g.get_x) + elif isinstance(g, Polygon): + lr = g.shell + self.assertEqual('LINEARRING EMPTY', lr.wkt) + self.assertEqual(0, len(lr)) + self.assertEqual(True, lr.empty) + self.assertRaises(GEOSIndexError, lr.__getitem__, 0) + else: + self.assertRaises(GEOSIndexError, g.__getitem__, 0) + + def test_collections_of_collections(self): + "Testing GeometryCollection handling of other collections." + # Creating a GeometryCollection WKT string composed of other + # collections and polygons. + coll = [mp.wkt for mp in self.geometries.multipolygons if mp.valid] + coll.extend([mls.wkt for mls in self.geometries.multilinestrings]) + coll.extend([p.wkt for p in self.geometries.polygons]) + coll.extend([mp.wkt for mp in self.geometries.multipoints]) + gc_wkt = 'GEOMETRYCOLLECTION(%s)' % ','.join(coll) + + # Should construct ok from WKT + gc1 = GEOSGeometry(gc_wkt) + + # Should also construct ok from individual geometry arguments. + gc2 = GeometryCollection(*tuple(g for g in gc1)) + + # And, they should be equal. + self.assertEqual(gc1, gc2) + + @skipUnless(HAS_GDAL, "GDAL is required.") + def test_gdal(self): + "Testing `ogr` and `srs` properties." + g1 = fromstr('POINT(5 23)') + self.assertIsInstance(g1.ogr, gdal.OGRGeometry) + self.assertIsNone(g1.srs) + + if GEOS_PREPARE: + g1_3d = fromstr('POINT(5 23 8)') + self.assertIsInstance(g1_3d.ogr, gdal.OGRGeometry) + self.assertEqual(g1_3d.ogr.z, 8) + + g2 = fromstr('LINESTRING(0 0, 5 5, 23 23)', srid=4326) + self.assertIsInstance(g2.ogr, gdal.OGRGeometry) + self.assertIsInstance(g2.srs, gdal.SpatialReference) + self.assertEqual(g2.hex, g2.ogr.hex) + self.assertEqual('WGS 84', g2.srs.name) + + def test_copy(self): + "Testing use with the Python `copy` module." + import copy + poly = GEOSGeometry('POLYGON((0 0, 0 23, 23 23, 23 0, 0 0), (5 5, 5 10, 10 10, 10 5, 5 5))') + cpy1 = copy.copy(poly) + cpy2 = copy.deepcopy(poly) + self.assertNotEqual(poly._ptr, cpy1._ptr) + self.assertNotEqual(poly._ptr, cpy2._ptr) + + @skipUnless(HAS_GDAL, "GDAL is required to transform geometries") + def test_transform(self): + "Testing `transform` method." + orig = GEOSGeometry('POINT (-104.609 38.255)', 4326) + trans = GEOSGeometry('POINT (992385.4472045 481455.4944650)', 2774) + + # Using a srid, a SpatialReference object, and a CoordTransform object + # for transformations. + t1, t2, t3 = orig.clone(), orig.clone(), orig.clone() + t1.transform(trans.srid) + t2.transform(gdal.SpatialReference('EPSG:2774')) + ct = gdal.CoordTransform(gdal.SpatialReference('WGS84'), gdal.SpatialReference(2774)) + t3.transform(ct) + + # Testing use of the `clone` keyword. + k1 = orig.clone() + k2 = k1.transform(trans.srid, clone=True) + self.assertEqual(k1, orig) + self.assertNotEqual(k1, k2) + + prec = 3 + for p in (t1, t2, t3, k2): + self.assertAlmostEqual(trans.x, p.x, prec) + self.assertAlmostEqual(trans.y, p.y, prec) + + @skipUnless(HAS_GDAL, "GDAL is required to transform geometries") + def test_transform_3d(self): + p3d = GEOSGeometry('POINT (5 23 100)', 4326) + p3d.transform(2774) + if GEOS_PREPARE: + self.assertEqual(p3d.z, 100) + else: + self.assertIsNone(p3d.z) + + @skipUnless(HAS_GDAL, "GDAL is required.") + def test_transform_noop(self): + """ Testing `transform` method (SRID match) """ + # transform() should no-op if source & dest SRIDs match, + # regardless of whether GDAL is available. + if gdal.HAS_GDAL: + g = GEOSGeometry('POINT (-104.609 38.255)', 4326) + gt = g.tuple + g.transform(4326) + self.assertEqual(g.tuple, gt) + self.assertEqual(g.srid, 4326) + + g = GEOSGeometry('POINT (-104.609 38.255)', 4326) + g1 = g.transform(4326, clone=True) + self.assertEqual(g1.tuple, g.tuple) + self.assertEqual(g1.srid, 4326) + self.assertTrue(g1 is not g, "Clone didn't happen") + + old_has_gdal = gdal.HAS_GDAL + try: + gdal.HAS_GDAL = False + + g = GEOSGeometry('POINT (-104.609 38.255)', 4326) + gt = g.tuple + g.transform(4326) + self.assertEqual(g.tuple, gt) + self.assertEqual(g.srid, 4326) + + g = GEOSGeometry('POINT (-104.609 38.255)', 4326) + g1 = g.transform(4326, clone=True) + self.assertEqual(g1.tuple, g.tuple) + self.assertEqual(g1.srid, 4326) + self.assertTrue(g1 is not g, "Clone didn't happen") + finally: + gdal.HAS_GDAL = old_has_gdal + + def test_transform_nosrid(self): + """ Testing `transform` method (no SRID or negative SRID) """ + + g = GEOSGeometry('POINT (-104.609 38.255)', srid=None) + self.assertRaises(GEOSException, g.transform, 2774) + + g = GEOSGeometry('POINT (-104.609 38.255)', srid=None) + self.assertRaises(GEOSException, g.transform, 2774, clone=True) + + g = GEOSGeometry('POINT (-104.609 38.255)', srid=-1) + self.assertRaises(GEOSException, g.transform, 2774) + + g = GEOSGeometry('POINT (-104.609 38.255)', srid=-1) + self.assertRaises(GEOSException, g.transform, 2774, clone=True) + + @skipUnless(HAS_GDAL, "GDAL is required.") + def test_transform_nogdal(self): + """ Testing `transform` method (GDAL not available) """ + old_has_gdal = gdal.HAS_GDAL + try: + gdal.HAS_GDAL = False + + g = GEOSGeometry('POINT (-104.609 38.255)', 4326) + self.assertRaises(GEOSException, g.transform, 2774) + + g = GEOSGeometry('POINT (-104.609 38.255)', 4326) + self.assertRaises(GEOSException, g.transform, 2774, clone=True) + finally: + gdal.HAS_GDAL = old_has_gdal + + def test_extent(self): + "Testing `extent` method." + # The xmin, ymin, xmax, ymax of the MultiPoint should be returned. + mp = MultiPoint(Point(5, 23), Point(0, 0), Point(10, 50)) + self.assertEqual((0.0, 0.0, 10.0, 50.0), mp.extent) + pnt = Point(5.23, 17.8) + # Extent of points is just the point itself repeated. + self.assertEqual((5.23, 17.8, 5.23, 17.8), pnt.extent) + # Testing on the 'real world' Polygon. + poly = fromstr(self.geometries.polygons[3].wkt) + ring = poly.shell + x, y = ring.x, ring.y + xmin, ymin = min(x), min(y) + xmax, ymax = max(x), max(y) + self.assertEqual((xmin, ymin, xmax, ymax), poly.extent) + + def test_pickle(self): + "Testing pickling and unpickling support." + # Using both pickle and cPickle -- just 'cause. + from django.utils.six.moves import cPickle + import pickle + + # Creating a list of test geometries for pickling, + # and setting the SRID on some of them. + def get_geoms(lst, srid=None): + return [GEOSGeometry(tg.wkt, srid) for tg in lst] + tgeoms = get_geoms(self.geometries.points) + tgeoms.extend(get_geoms(self.geometries.multilinestrings, 4326)) + tgeoms.extend(get_geoms(self.geometries.polygons, 3084)) + tgeoms.extend(get_geoms(self.geometries.multipolygons, 900913)) + + # The SRID won't be exported in GEOS 3.0 release candidates. + no_srid = self.null_srid == -1 + for geom in tgeoms: + s1, s2 = cPickle.dumps(geom), pickle.dumps(geom) + g1, g2 = cPickle.loads(s1), pickle.loads(s2) + for tmpg in (g1, g2): + self.assertEqual(geom, tmpg) + if not no_srid: self.assertEqual(geom.srid, tmpg.srid) + + @skipUnless(HAS_GEOS and GEOS_PREPARE, "geos >= 3.1.0 is required") + def test_prepared(self): + "Testing PreparedGeometry support." + # Creating a simple multipolygon and getting a prepared version. + mpoly = GEOSGeometry('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((5 5,5 10,10 10,10 5,5 5)))') + prep = mpoly.prepared + + # A set of test points. + pnts = [Point(5, 5), Point(7.5, 7.5), Point(2.5, 7.5)] + covers = [True, True, False] # No `covers` op for regular GEOS geoms. + for pnt, c in zip(pnts, covers): + # Results should be the same (but faster) + self.assertEqual(mpoly.contains(pnt), prep.contains(pnt)) + self.assertEqual(mpoly.intersects(pnt), prep.intersects(pnt)) + self.assertEqual(c, prep.covers(pnt)) + + # Original geometry deletion should not crash the prepared one (#21662) + del mpoly + self.assertTrue(prep.covers(Point(5, 5))) + + def test_line_merge(self): + "Testing line merge support" + ref_geoms = (fromstr('LINESTRING(1 1, 1 1, 3 3)'), + fromstr('MULTILINESTRING((1 1, 3 3), (3 3, 4 2))'), + ) + ref_merged = (fromstr('LINESTRING(1 1, 3 3)'), + fromstr('LINESTRING (1 1, 3 3, 4 2)'), + ) + for geom, merged in zip(ref_geoms, ref_merged): + self.assertEqual(merged, geom.merged) + + @skipUnless(HAS_GEOS and GEOS_PREPARE, "geos >= 3.1.0 is required") + def test_valid_reason(self): + "Testing IsValidReason support" + + g = GEOSGeometry("POINT(0 0)") + self.assertTrue(g.valid) + self.assertIsInstance(g.valid_reason, six.string_types) + self.assertEqual(g.valid_reason, "Valid Geometry") + + g = GEOSGeometry("LINESTRING(0 0, 0 0)") + + self.assertFalse(g.valid) + self.assertIsInstance(g.valid_reason, six.string_types) + self.assertTrue(g.valid_reason.startswith("Too few points in geometry component")) + + @skipUnless(HAS_GEOS and geos_version_info()['version'] >= '3.2.0', "geos >= 3.2.0 is required") + def test_linearref(self): + "Testing linear referencing" + + ls = fromstr('LINESTRING(0 0, 0 10, 10 10, 10 0)') + mls = fromstr('MULTILINESTRING((0 0, 0 10), (10 0, 10 10))') + + self.assertEqual(ls.project(Point(0, 20)), 10.0) + self.assertEqual(ls.project(Point(7, 6)), 24) + self.assertEqual(ls.project_normalized(Point(0, 20)), 1.0/3) + + self.assertEqual(ls.interpolate(10), Point(0, 10)) + self.assertEqual(ls.interpolate(24), Point(10, 6)) + self.assertEqual(ls.interpolate_normalized(1.0/3), Point(0, 10)) + + self.assertEqual(mls.project(Point(0, 20)), 10) + self.assertEqual(mls.project(Point(7, 6)), 16) + + self.assertEqual(mls.interpolate(9), Point(0, 9)) + self.assertEqual(mls.interpolate(17), Point(10, 7)) + + def test_geos_version(self): + """Testing the GEOS version regular expression.""" + from django.contrib.gis.geos.libgeos import version_regex + versions = [('3.0.0rc4-CAPI-1.3.3', '3.0.0', '1.3.3'), + ('3.0.0-CAPI-1.4.1', '3.0.0', '1.4.1'), + ('3.4.0dev-CAPI-1.8.0', '3.4.0', '1.8.0'), + ('3.4.0dev-CAPI-1.8.0 r0', '3.4.0', '1.8.0')] + for v_init, v_geos, v_capi in versions: + m = version_regex.match(v_init) + self.assertTrue(m, msg="Unable to parse the version string '%s'" % v_init) + self.assertEqual(m.group('version'), v_geos) + self.assertEqual(m.group('capi_version'), v_capi) diff --git a/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_geos_mutation.py b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_geos_mutation.py new file mode 100644 index 0000000..40b708a --- /dev/null +++ b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_geos_mutation.py @@ -0,0 +1,134 @@ +# Copyright (c) 2008-2009 Aryeh Leib Taurog, all rights reserved. +# Modified from original contribution by Aryeh Leib Taurog, which was +# released under the New BSD license. + +from django.utils import unittest +from django.utils.unittest import skipUnless + +from .. import HAS_GEOS + +if HAS_GEOS: + from .. import * + from ..error import GEOSIndexError + + +def getItem(o,i): return o[i] +def delItem(o,i): del o[i] +def setItem(o,i,v): o[i] = v + +if HAS_GEOS: + def api_get_distance(x): return x.distance(Point(-200,-200)) + +def api_get_buffer(x): return x.buffer(10) +def api_get_geom_typeid(x): return x.geom_typeid +def api_get_num_coords(x): return x.num_coords +def api_get_centroid(x): return x.centroid +def api_get_empty(x): return x.empty +def api_get_valid(x): return x.valid +def api_get_simple(x): return x.simple +def api_get_ring(x): return x.ring +def api_get_boundary(x): return x.boundary +def api_get_convex_hull(x): return x.convex_hull +def api_get_extent(x): return x.extent +def api_get_area(x): return x.area +def api_get_length(x): return x.length + +geos_function_tests = [ val for name, val in vars().items() + if hasattr(val, '__call__') + and name.startswith('api_get_') ] + + +@skipUnless(HAS_GEOS, "Geos is required.") +class GEOSMutationTest(unittest.TestCase): + """ + Tests Pythonic Mutability of Python GEOS geometry wrappers + get/set/delitem on a slice, normal list methods + """ + + def test00_GEOSIndexException(self): + 'Testing Geometry GEOSIndexError' + p = Point(1,2) + for i in range(-2,2): p._checkindex(i) + self.assertRaises(GEOSIndexError, p._checkindex, 2) + self.assertRaises(GEOSIndexError, p._checkindex, -3) + + def test01_PointMutations(self): + 'Testing Point mutations' + for p in (Point(1,2,3), fromstr('POINT (1 2 3)')): + self.assertEqual(p._get_single_external(1), 2.0, 'Point _get_single_external') + + # _set_single + p._set_single(0,100) + self.assertEqual(p.coords, (100.0,2.0,3.0), 'Point _set_single') + + # _set_list + p._set_list(2,(50,3141)) + self.assertEqual(p.coords, (50.0,3141.0), 'Point _set_list') + + def test02_PointExceptions(self): + 'Testing Point exceptions' + self.assertRaises(TypeError, Point, range(1)) + self.assertRaises(TypeError, Point, range(4)) + + def test03_PointApi(self): + 'Testing Point API' + q = Point(4,5,3) + for p in (Point(1,2,3), fromstr('POINT (1 2 3)')): + p[0:2] = [4,5] + for f in geos_function_tests: + self.assertEqual(f(q), f(p), 'Point ' + f.__name__) + + def test04_LineStringMutations(self): + 'Testing LineString mutations' + for ls in (LineString((1,0),(4,1),(6,-1)), + fromstr('LINESTRING (1 0,4 1,6 -1)')): + self.assertEqual(ls._get_single_external(1), (4.0,1.0), 'LineString _get_single_external') + + # _set_single + ls._set_single(0,(-50,25)) + self.assertEqual(ls.coords, ((-50.0,25.0),(4.0,1.0),(6.0,-1.0)), 'LineString _set_single') + + # _set_list + ls._set_list(2, ((-50.0,25.0),(6.0,-1.0))) + self.assertEqual(ls.coords, ((-50.0,25.0),(6.0,-1.0)), 'LineString _set_list') + + lsa = LineString(ls.coords) + for f in geos_function_tests: + self.assertEqual(f(lsa), f(ls), 'LineString ' + f.__name__) + + def test05_Polygon(self): + 'Testing Polygon mutations' + for pg in (Polygon(((1,0),(4,1),(6,-1),(8,10),(1,0)), + ((5,4),(6,4),(6,3),(5,4))), + fromstr('POLYGON ((1 0,4 1,6 -1,8 10,1 0),(5 4,6 4,6 3,5 4))')): + self.assertEqual(pg._get_single_external(0), + LinearRing((1,0),(4,1),(6,-1),(8,10),(1,0)), + 'Polygon _get_single_external(0)') + self.assertEqual(pg._get_single_external(1), + LinearRing((5,4),(6,4),(6,3),(5,4)), + 'Polygon _get_single_external(1)') + + # _set_list + pg._set_list(2, (((1,2),(10,0),(12,9),(-1,15),(1,2)), + ((4,2),(5,2),(5,3),(4,2)))) + self.assertEqual(pg.coords, + (((1.0,2.0),(10.0,0.0),(12.0,9.0),(-1.0,15.0),(1.0,2.0)), + ((4.0,2.0),(5.0,2.0),(5.0,3.0),(4.0,2.0))), + 'Polygon _set_list') + + lsa = Polygon(*pg.coords) + for f in geos_function_tests: + self.assertEqual(f(lsa), f(pg), 'Polygon ' + f.__name__) + + def test06_Collection(self): + 'Testing Collection mutations' + for mp in (MultiPoint(*map(Point,((3,4),(-1,2),(5,-4),(2,8)))), + fromstr('MULTIPOINT (3 4,-1 2,5 -4,2 8)')): + self.assertEqual(mp._get_single_external(2), Point(5,-4), 'Collection _get_single_external') + + mp._set_list(3, map(Point,((5,5),(3,-2),(8,1)))) + self.assertEqual(mp.coords, ((5.0,5.0),(3.0,-2.0),(8.0,1.0)), 'Collection _set_list') + + lsa = MultiPoint(*map(Point,((5,5),(3,-2),(8,1)))) + for f in geos_function_tests: + self.assertEqual(f(lsa), f(mp), 'MultiPoint ' + f.__name__) diff --git a/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_io.py b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_io.py new file mode 100644 index 0000000..34eeaf9 --- /dev/null +++ b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_io.py @@ -0,0 +1,116 @@ +from __future__ import unicode_literals + +import binascii +import unittest + +from django.contrib.gis import memoryview +from django.utils.unittest import skipUnless + +from ..import HAS_GEOS + +if HAS_GEOS: + from .. import GEOSGeometry, WKTReader, WKTWriter, WKBReader, WKBWriter, geos_version_info + + +@skipUnless(HAS_GEOS, "Geos is required.") +class GEOSIOTest(unittest.TestCase): + + def test01_wktreader(self): + # Creating a WKTReader instance + wkt_r = WKTReader() + wkt = 'POINT (5 23)' + + # read() should return a GEOSGeometry + ref = GEOSGeometry(wkt) + g1 = wkt_r.read(wkt.encode()) + g2 = wkt_r.read(wkt) + + for geom in (g1, g2): + self.assertEqual(ref, geom) + + # Should only accept six.string_types objects. + self.assertRaises(TypeError, wkt_r.read, 1) + self.assertRaises(TypeError, wkt_r.read, memoryview(b'foo')) + + def test02_wktwriter(self): + # Creating a WKTWriter instance, testing its ptr property. + wkt_w = WKTWriter() + self.assertRaises(TypeError, wkt_w._set_ptr, WKTReader.ptr_type()) + + ref = GEOSGeometry('POINT (5 23)') + ref_wkt = 'POINT (5.0000000000000000 23.0000000000000000)' + self.assertEqual(ref_wkt, wkt_w.write(ref).decode()) + + def test03_wkbreader(self): + # Creating a WKBReader instance + wkb_r = WKBReader() + + hex = b'000000000140140000000000004037000000000000' + wkb = memoryview(binascii.a2b_hex(hex)) + ref = GEOSGeometry(hex) + + # read() should return a GEOSGeometry on either a hex string or + # a WKB buffer. + g1 = wkb_r.read(wkb) + g2 = wkb_r.read(hex) + for geom in (g1, g2): + self.assertEqual(ref, geom) + + bad_input = (1, 5.23, None, False) + for bad_wkb in bad_input: + self.assertRaises(TypeError, wkb_r.read, bad_wkb) + + def test04_wkbwriter(self): + wkb_w = WKBWriter() + + # Representations of 'POINT (5 23)' in hex -- one normal and + # the other with the byte order changed. + g = GEOSGeometry('POINT (5 23)') + hex1 = b'010100000000000000000014400000000000003740' + wkb1 = memoryview(binascii.a2b_hex(hex1)) + hex2 = b'000000000140140000000000004037000000000000' + wkb2 = memoryview(binascii.a2b_hex(hex2)) + + self.assertEqual(hex1, wkb_w.write_hex(g)) + self.assertEqual(wkb1, wkb_w.write(g)) + + # Ensuring bad byteorders are not accepted. + for bad_byteorder in (-1, 2, 523, 'foo', None): + # Equivalent of `wkb_w.byteorder = bad_byteorder` + self.assertRaises(ValueError, wkb_w._set_byteorder, bad_byteorder) + + # Setting the byteorder to 0 (for Big Endian) + wkb_w.byteorder = 0 + self.assertEqual(hex2, wkb_w.write_hex(g)) + self.assertEqual(wkb2, wkb_w.write(g)) + + # Back to Little Endian + wkb_w.byteorder = 1 + + # Now, trying out the 3D and SRID flags. + g = GEOSGeometry('POINT (5 23 17)') + g.srid = 4326 + + hex3d = b'0101000080000000000000144000000000000037400000000000003140' + wkb3d = memoryview(binascii.a2b_hex(hex3d)) + hex3d_srid = b'01010000A0E6100000000000000000144000000000000037400000000000003140' + wkb3d_srid = memoryview(binascii.a2b_hex(hex3d_srid)) + + # Ensuring bad output dimensions are not accepted + for bad_outdim in (-1, 0, 1, 4, 423, 'foo', None): + # Equivalent of `wkb_w.outdim = bad_outdim` + self.assertRaises(ValueError, wkb_w._set_outdim, bad_outdim) + + # These tests will fail on 3.0.0 because of a bug that was fixed in 3.1: + # http://trac.osgeo.org/geos/ticket/216 + if not geos_version_info()['version'].startswith('3.0.'): + # Now setting the output dimensions to be 3 + wkb_w.outdim = 3 + + self.assertEqual(hex3d, wkb_w.write_hex(g)) + self.assertEqual(wkb3d, wkb_w.write(g)) + + # Telling the WKBWriter to include the srid in the representation. + wkb_w.srid = True + self.assertEqual(hex3d_srid, wkb_w.write_hex(g)) + self.assertEqual(wkb3d_srid, wkb_w.write(g)) diff --git a/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_mutable_list.py b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_mutable_list.py new file mode 100644 index 0000000..a4a56f2 --- /dev/null +++ b/lib/python2.7/site-packages/django/contrib/gis/geos/tests/test_mutable_list.py @@ -0,0 +1,397 @@ +# Copyright (c) 2008-2009 Aryeh Leib Taurog, http://www.aryehleib.com +# All rights reserved. +# +# Modified from original contribution by Aryeh Leib Taurog, which was +# released under the New BSD license. +from django.contrib.gis.geos.mutable_list import ListMixin +from django.utils import six +from django.utils import unittest + + +class UserListA(ListMixin): + _mytype = tuple + def __init__(self, i_list, *args, **kwargs): + self._list = self._mytype(i_list) + super(UserListA, self).__init__(*args, **kwargs) + + def __len__(self): return len(self._list) + + def __str__(self): return str(self._list) + + def __repr__(self): return repr(self._list) + + def _set_list(self, length, items): + # this would work: + # self._list = self._mytype(items) + # but then we wouldn't be testing length parameter + itemList = ['x'] * length + for i, v in enumerate(items): + itemList[i] = v + + self._list = self._mytype(itemList) + + def _get_single_external(self, index): + return self._list[index] + +class UserListB(UserListA): + _mytype = list + + def _set_single(self, index, value): + self._list[index] = value + +def nextRange(length): + nextRange.start += 100 + return range(nextRange.start, nextRange.start + length) + +nextRange.start = 0 + +class ListMixinTest(unittest.TestCase): + """ + Tests base class ListMixin by comparing a list clone which is + a ListMixin subclass with a real Python list. + """ + limit = 3 + listType = UserListA + + def lists_of_len(self, length=None): + if length is None: length = self.limit + pl = list(range(length)) + return pl, self.listType(pl) + + def limits_plus(self, b): + return range(-self.limit - b, self.limit + b) + + def step_range(self): + return list(range(-1 - self.limit, 0)) + list(range(1, 1 + self.limit)) + + def test01_getslice(self): + 'Slice retrieval' + pl, ul = self.lists_of_len() + for i in self.limits_plus(1): + self.assertEqual(pl[i:], ul[i:], 'slice [%d:]' % (i)) + self.assertEqual(pl[:i], ul[:i], 'slice [:%d]' % (i)) + + for j in self.limits_plus(1): + self.assertEqual(pl[i:j], ul[i:j], 'slice [%d:%d]' % (i,j)) + for k in self.step_range(): + self.assertEqual(pl[i:j:k], ul[i:j:k], 'slice [%d:%d:%d]' % (i,j,k)) + + for k in self.step_range(): + self.assertEqual(pl[i::k], ul[i::k], 'slice [%d::%d]' % (i,k)) + self.assertEqual(pl[:i:k], ul[:i:k], 'slice [:%d:%d]' % (i,k)) + + for k in self.step_range(): + self.assertEqual(pl[::k], ul[::k], 'slice [::%d]' % (k)) + + def test02_setslice(self): + 'Slice assignment' + def setfcn(x,i,j,k,L): x[i:j:k] = range(L) + pl, ul = self.lists_of_len() + for slen in range(self.limit + 1): + ssl = nextRange(slen) + ul[:] = ssl + pl[:] = ssl + self.assertEqual(pl, ul[:], 'set slice [:]') + + for i in self.limits_plus(1): + ssl = nextRange(slen) + ul[i:] = ssl + pl[i:] = ssl + self.assertEqual(pl, ul[:], 'set slice [%d:]' % (i)) + + ssl = nextRange(slen) + ul[:i] = ssl + pl[:i] = ssl + self.assertEqual(pl, ul[:], 'set slice [:%d]' % (i)) + + for j in self.limits_plus(1): + ssl = nextRange(slen) + ul[i:j] = ssl + pl[i:j] = ssl + self.assertEqual(pl, ul[:], 'set slice [%d:%d]' % (i, j)) + + for k in self.step_range(): + ssl = nextRange( len(ul[i:j:k]) ) + ul[i:j:k] = ssl + pl[i:j:k] = ssl + self.assertEqual(pl, ul[:], 'set slice [%d:%d:%d]' % (i, j, k)) + + sliceLen = len(ul[i:j:k]) + self.assertRaises(ValueError, setfcn, ul, i, j, k, sliceLen + 1) + if sliceLen > 2: + self.assertRaises(ValueError, setfcn, ul, i, j, k, sliceLen - 1) + + for k in self.step_range(): + ssl = nextRange( len(ul[i::k]) ) + ul[i::k] = ssl + pl[i::k] = ssl + self.assertEqual(pl, ul[:], 'set slice [%d::%d]' % (i, k)) + + ssl = nextRange( len(ul[:i:k]) ) + ul[:i:k] = ssl + pl[:i:k] = ssl + self.assertEqual(pl, ul[:], 'set slice [:%d:%d]' % (i, k)) + + for k in self.step_range(): + ssl = nextRange(len(ul[::k])) + ul[::k] = ssl + pl[::k] = ssl + self.assertEqual(pl, ul[:], 'set slice [::%d]' % (k)) + + + def test03_delslice(self): + 'Delete slice' + for Len in range(self.limit): + pl, ul = self.lists_of_len(Len) + del pl[:] + del ul[:] + self.assertEqual(pl[:], ul[:], 'del slice [:]') + for i in range(-Len - 1, Len + 1): + pl, ul = self.lists_of_len(Len) + del pl[i:] + del ul[i:] + self.assertEqual(pl[:], ul[:], 'del slice [%d:]' % (i)) + pl, ul = self.lists_of_len(Len) + del pl[:i] + del ul[:i] + self.assertEqual(pl[:], ul[:], 'del slice [:%d]' % (i)) + for j in range(-Len - 1, Len + 1): + pl, ul = self.lists_of_len(Len) + del pl[i:j] + del ul[i:j] + self.assertEqual(pl[:], ul[:], 'del slice [%d:%d]' % (i,j)) + for k in list(range(-Len - 1, 0)) + list(range(1, Len)): + pl, ul = self.lists_of_len(Len) + del pl[i:j:k] + del ul[i:j:k] + self.assertEqual(pl[:], ul[:], 'del slice [%d:%d:%d]' % (i,j,k)) + + for k in list(range(-Len - 1, 0)) + list(range(1, Len)): + pl, ul = self.lists_of_len(Len) + del pl[:i:k] + del ul[:i:k] + self.assertEqual(pl[:], ul[:], 'del slice [:%d:%d]' % (i,k)) + + pl, ul = self.lists_of_len(Len) + del pl[i::k] + del ul[i::k] + self.assertEqual(pl[:], ul[:], 'del slice [%d::%d]' % (i,k)) + + for k in list(range(-Len - 1, 0)) + list(range(1, Len)): + pl, ul = self.lists_of_len(Len) + del pl[::k] + del ul[::k] + self.assertEqual(pl[:], ul[:], 'del slice [::%d]' % (k)) + + def test04_get_set_del_single(self): + 'Get/set/delete single item' + pl, ul = self.lists_of_len() + for i in self.limits_plus(0): + self.assertEqual(pl[i], ul[i], 'get single item [%d]' % i) + + for i in self.limits_plus(0): + pl, ul = self.lists_of_len() + pl[i] = 100 + ul[i] = 100 + self.assertEqual(pl[:], ul[:], 'set single item [%d]' % i) + + for i in self.limits_plus(0): + pl, ul = self.lists_of_len() + del pl[i] + del ul[i] + self.assertEqual(pl[:], ul[:], 'del single item [%d]' % i) + + def test05_out_of_range_exceptions(self): + 'Out of range exceptions' + def setfcn(x, i): x[i] = 20 + def getfcn(x, i): return x[i] + def delfcn(x, i): del x[i] + pl, ul = self.lists_of_len() + for i in (-1 - self.limit, self.limit): + self.assertRaises(IndexError, setfcn, ul, i) # 'set index %d' % i) + self.assertRaises(IndexError, getfcn, ul, i) # 'get index %d' % i) + self.assertRaises(IndexError, delfcn, ul, i) # 'del index %d' % i) + + def test06_list_methods(self): + 'List methods' + pl, ul = self.lists_of_len() + pl.append(40) + ul.append(40) + self.assertEqual(pl[:], ul[:], 'append') + + pl.extend(range(50,55)) + ul.extend(range(50,55)) + self.assertEqual(pl[:], ul[:], 'extend') + + pl.reverse() + ul.reverse() + self.assertEqual(pl[:], ul[:], 'reverse') + + for i in self.limits_plus(1): + pl, ul = self.lists_of_len() + pl.insert(i,50) + ul.insert(i,50) + self.assertEqual(pl[:], ul[:], 'insert at %d' % i) + + for i in self.limits_plus(0): + pl, ul = self.lists_of_len() + self.assertEqual(pl.pop(i), ul.pop(i), 'popped value at %d' % i) + self.assertEqual(pl[:], ul[:], 'after pop at %d' % i) + + pl, ul = self.lists_of_len() + self.assertEqual(pl.pop(), ul.pop(i), 'popped value') + self.assertEqual(pl[:], ul[:], 'after pop') + + pl, ul = self.lists_of_len() + def popfcn(x, i): x.pop(i) + self.assertRaises(IndexError, popfcn, ul, self.limit) + self.assertRaises(IndexError, popfcn, ul, -1 - self.limit) + + pl, ul = self.lists_of_len() + for val in range(self.limit): + self.assertEqual(pl.index(val), ul.index(val), 'index of %d' % val) + + for val in self.limits_plus(2): + self.assertEqual(pl.count(val), ul.count(val), 'count %d' % val) + + for val in range(self.limit): + pl, ul = self.lists_of_len() + pl.remove(val) + ul.remove(val) + self.assertEqual(pl[:], ul[:], 'after remove val %d' % val) + + def indexfcn(x, v): return x.index(v) + def removefcn(x, v): return x.remove(v) + self.assertRaises(ValueError, indexfcn, ul, 40) + self.assertRaises(ValueError, removefcn, ul, 40) + + def test07_allowed_types(self): + 'Type-restricted list' + pl, ul = self.lists_of_len() + ul._allowed = six.integer_types + ul[1] = 50 + ul[:2] = [60, 70, 80] + def setfcn(x, i, v): x[i] = v + self.assertRaises(TypeError, setfcn, ul, 2, 'hello') + self.assertRaises(TypeError, setfcn, ul, slice(0,3,2), ('hello','goodbye')) + + def test08_min_length(self): + 'Length limits' + pl, ul = self.lists_of_len() + ul._minlength = 1 + def delfcn(x,i): del x[:i] + def setfcn(x,i): x[:i] = [] + for i in range(self.limit - ul._minlength + 1, self.limit + 1): + self.assertRaises(ValueError, delfcn, ul, i) + self.assertRaises(ValueError, setfcn, ul, i) + del ul[:ul._minlength] + + ul._maxlength = 4 + for i in range(0, ul._maxlength - len(ul)): + ul.append(i) + self.assertRaises(ValueError, ul.append, 10) + + def test09_iterable_check(self): + 'Error on assigning non-iterable to slice' + pl, ul = self.lists_of_len(self.limit + 1) + def setfcn(x, i, v): x[i] = v + self.assertRaises(TypeError, setfcn, ul, slice(0,3,2), 2) + + def test10_checkindex(self): + 'Index check' + pl, ul = self.lists_of_len() + for i in self.limits_plus(0): + if i < 0: + self.assertEqual(ul._checkindex(i), i + self.limit, '_checkindex(neg index)') + else: + self.assertEqual(ul._checkindex(i), i, '_checkindex(pos index)') + + for i in (-self.limit - 1, self.limit): + self.assertRaises(IndexError, ul._checkindex, i) + + ul._IndexError = TypeError + self.assertRaises(TypeError, ul._checkindex, -self.limit - 1) + + def test_11_sorting(self): + 'Sorting' + pl, ul = self.lists_of_len() + pl.insert(0, pl.pop()) + ul.insert(0, ul.pop()) + pl.sort() + ul.sort() + self.assertEqual(pl[:], ul[:], 'sort') + mid = pl[len(pl) // 2] + pl.sort(key=lambda x: (mid-x)**2) + ul.sort(key=lambda x: (mid-x)**2) + self.assertEqual(pl[:], ul[:], 'sort w/ key') + + pl.insert(0, pl.pop()) + ul.insert(0, ul.pop()) + pl.sort(reverse=True) + ul.sort(reverse=True) + self.assertEqual(pl[:], ul[:], 'sort w/ reverse') + mid = pl[len(pl) // 2] + pl.sort(key=lambda x: (mid-x)**2) + ul.sort(key=lambda x: (mid-x)**2) + self.assertEqual(pl[:], ul[:], 'sort w/ key') + + def test_12_arithmetic(self): + 'Arithmetic' + pl, ul = self.lists_of_len() + al = list(range(10,14)) + self.assertEqual(list(pl + al), list(ul + al), 'add') + self.assertEqual(type(ul), type(ul + al), 'type of add result') + self.assertEqual(list(al + pl), list(al + ul), 'radd') + self.assertEqual(type(al), type(al + ul), 'type of radd result') + objid = id(ul) + pl += al + ul += al + self.assertEqual(pl[:], ul[:], 'in-place add') + self.assertEqual(objid, id(ul), 'in-place add id') + + for n in (-1,0,1,3): + pl, ul = self.lists_of_len() + self.assertEqual(list(pl * n), list(ul * n), 'mul by %d' % n) + self.assertEqual(type(ul), type(ul * n), 'type of mul by %d result' % n) + self.assertEqual(list(n * pl), list(n * ul), 'rmul by %d' % n) + self.assertEqual(type(ul), type(n * ul), 'type of rmul by %d result' % n) + objid = id(ul) + pl *= n + ul *= n + self.assertEqual(pl[:], ul[:], 'in-place mul by %d' % n) + self.assertEqual(objid, id(ul), 'in-place mul by %d id' % n) + + pl, ul = self.lists_of_len() + self.assertEqual(pl, ul, 'cmp for equal') + self.assertFalse(ul == pl + [2], 'cmp for not equal') + self.assertTrue(pl >= ul, 'cmp for gte self') + self.assertTrue(pl <= ul, 'cmp for lte self') + self.assertTrue(ul >= pl, 'cmp for self gte') + self.assertTrue(ul <= pl, 'cmp for self lte') + + self.assertTrue(pl + [5] > ul, 'cmp') + self.assertTrue(pl + [5] >= ul, 'cmp') + self.assertTrue(pl < ul + [2], 'cmp') + self.assertTrue(pl <= ul + [2], 'cmp') + self.assertTrue(ul + [5] > pl, 'cmp') + self.assertTrue(ul + [5] >= pl, 'cmp') + self.assertTrue(ul < pl + [2], 'cmp') + self.assertTrue(ul <= pl + [2], 'cmp') + + # Also works with a custom IndexError + ul_longer = ul + [2] + ul_longer._IndexError = TypeError + ul._IndexError = TypeError + self.assertFalse(ul_longer == pl) + self.assertFalse(ul == ul_longer) + self.assertTrue(ul_longer > ul) + + pl[1] = 20 + self.assertTrue(pl > ul, 'cmp for gt self') + self.assertTrue(ul < pl, 'cmp for self lt') + pl[1] = -20 + self.assertTrue(pl < ul, 'cmp for lt self') + self.assertTrue(pl < ul, 'cmp for lt self') + +class ListMixinTestSingle(ListMixinTest): + listType = UserListB |