| # 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 django.utils.copycompat as copy |
| |
| from django.contrib.gis.geos import * |
| from django.contrib.gis.geos.error import GEOSIndexError |
| from django.utils import unittest |
| |
| 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() |
