--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/contrib/gis/geos/tests/test_geos_mutation.py Wed Jun 02 18:57:35 2010 +0200
@@ -0,0 +1,137 @@
+# 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.
+import unittest
+
+import django.utils.copycompat as copy
+
+from django.contrib.gis.geos import *
+from django.contrib.gis.geos.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
+
+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_') ]
+
+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__)
+
+def suite():
+ s = unittest.TestSuite()
+ s.addTest(unittest.makeSuite(GEOSMutationTest))
+ return s
+
+def run(verbosity=2):
+ unittest.TextTestRunner(verbosity=verbosity).run(suite())
+
+if __name__ == '__main__':
+ run()