# $Id$ # # Project: MapServer # Purpose: xUnit style Python mapscript tests of rectObj # Author: Sean Gillies, sgillies@frii.com # # =========================================================================== # Copyright (c) 2004, Sean Gillies # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), # to deal in the Software without restriction, including without limitation # the rights to use, copy, modify, merge, publish, distribute, sublicense, # and/or sell copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER # DEALINGS IN THE SOFTWARE. # =========================================================================== # # Execute this module as a script from mapserver/mapscript/python # # python tests/cases/recttest.py -v # # =========================================================================== import os, sys import unittest # the testing module helps us import the pre-installed mapscript from testing import mapscript from testing import MapPrimitivesTestCase # =========================================================================== # Test begins now class RectObjTestCase(MapPrimitivesTestCase): def testRectObjConstructorNoArgs(self): """a rect can be initialized with no args""" r = mapscript.rectObj() self.assertAlmostEqual(r.minx, -1.0) self.assertAlmostEqual(r.miny, -1.0) self.assertAlmostEqual(r.maxx, -1.0) self.assertAlmostEqual(r.maxy, -1.0) def testRectObjConstructorArgs(self): """a rect can be initialized with arguments""" r = mapscript.rectObj(-1.0, -2.0, 3.0, 4.0) self.assertAlmostEqual(r.minx, -1.0) self.assertAlmostEqual(r.miny, -2.0) self.assertAlmostEqual(r.maxx, 3.0) self.assertAlmostEqual(r.maxy, 4.0) def testRectObjConstructorBadXCoords(self): """an invalid extent raises proper error (x direction)""" self.assertRaises(mapscript.MapServerError, mapscript.rectObj, 1.0, -2.0, -3.0, 4.0) def testRectObjConstructorBadYCoords(self): """an invalid extent raises proper error (y direction)""" self.assertRaises(mapscript.MapServerError, mapscript.rectObj, -1.0, 2.0, 3.0, -2.0) def testRectObjToPolygon(self): """a rect can be converted into a MS_POLYGON shape""" r = mapscript.rectObj(-1.0, -2.0, 3.0, 4.0) s = r.toPolygon() assert s.numlines == 1, s.numlines line = self.getLineFromShape(s, 0) assert line.numpoints == 5, line.numpoints point = self.getPointFromLine(line, 0) self.assertAlmostEqual(point.x, -1.0) self.assertAlmostEqual(point.y, -2.0) def testExceptionMessage(self): """test formatted error message""" try: r = mapscript.rectObj(1.0, -2.0, -3.0, 4.0) except mapscript.MapServerError, msg: assert str(msg) == "rectObj(): Invalid rectangle. { 'minx': 1.000000 , 'miny': -2.000000 , 'maxx': -3.000000 , 'maxy': 4.000000 }", msg def testRect__str__(self): """__str__ returns properly formatted string""" r = mapscript.rectObj(-1.0, -2.0, 3.0001, 4.0) r_str = str(r) assert r_str == "{ 'minx': -1 , 'miny': -2 , 'maxx': 3.0001 , 'maxy': 4 }", r_str r2 = eval(r_str) self.assertAlmostEqual(r2['minx'], r.minx) self.assertAlmostEqual(r2['miny'], r.miny) self.assertAlmostEqual(r2['maxx'], r.maxx) self.assertAlmostEqual(r2['maxy'], r.maxy) def testRectToString(self): """return properly formatted string""" r = mapscript.rectObj(-1.0, -2.0, 3.0001, 4.0) r_str = r.toString() assert r_str == "{ 'minx': -1 , 'miny': -2 , 'maxx': 3.0001 , 'maxy': 4 }", r_str def testRectContainsPoint(self): """point is contained (spatially) in rectangle""" r = mapscript.rectObj(-1.0, -2.0, 3.0, 4.0) p = mapscript.pointObj(0.0, 0.0) assert p in r, (p.x, p.y, r) def testRectContainsPointNot(self): """point is not contained (spatially) in rectangle""" r = mapscript.rectObj(-1.0, -2.0, 3.0, 4.0) p = mapscript.pointObj(3.00001, 0.0) assert p not in r, (p.x, p.y, r) class ImageRectObjTestCase(MapPrimitivesTestCase): def testRectObjConstructorArgs(self): """create a rect in image units""" r = mapscript.rectObj(-1.0, 2.0, 3.0, 0.0, mapscript.MS_TRUE) self.assertAlmostEqual(r.minx, -1.0) self.assertAlmostEqual(r.miny, 2.0) self.assertAlmostEqual(r.maxx, 3.0) self.assertAlmostEqual(r.maxy, 0.0) def testRectObjConstructorBadYCoords(self): """in image units miny should be greater than maxy""" self.assertRaises(mapscript.MapServerError, mapscript.rectObj, -1.0, 0.0, 3.0, 2.0, mapscript.MS_TRUE) # =========================================================================== # Run the tests outside of the main suite if __name__ == '__main__': unittest.main()