# $Id: zoomtest.py 5542 2006-07-03 22:43:20Z hobu $ # # Project: MapServer # Purpose: xUnit style Python mapscript tests of Map "zooming" # 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/zoomtest.py -v # # =========================================================================== import os, sys import unittest # the testing module helps us import the pre-installed mapscript from testing import mapscript, MapZoomTestCase # =========================================================================== # Test begins now class ZoomPointTestCase(MapZoomTestCase): def testRecenter(self): """ZoomPointTestCase.testRecenter: recentering the map with a point returns the same extent""" w, h = (self.mapobj1.width, self.mapobj1.height) p = mapscript.pointObj(50.0, 50.0) extent = self.mapobj1.extent self.mapobj1.zoomPoint(1, p, w, h, extent, None) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, mapscript.rectObj(-50,-50,50,50)) def testZoomInPoint(self): """ZoomPointTestCase.testZoomInPoint: zooming in by a power of 2 returns the proper extent""" w, h = (self.mapobj1.width, self.mapobj1.height) p = mapscript.pointObj(50.0, 50.0) extent = self.mapobj1.extent self.mapobj1.zoomPoint(2, p, w, h, extent, None) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, mapscript.rectObj(-25,-25,25,25)) def testZoomOutPoint(self): """ZoomPointTestCase.testZoomOutPoint: zooming out by a power of 2 returns the proper extent""" w, h = (self.mapobj1.width, self.mapobj1.height) p = mapscript.pointObj() p.x, p.y = (50, 50) extent = self.mapobj1.extent self.mapobj1.zoomPoint(-2, p, w, h, extent, None) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, mapscript.rectObj(-100,-100,100,100)) def testZoomOutPointConstrained(self): """ZoomPointTestCase.testZoomOutPointConstrained: zooming out to a constrained extent returns proper extent""" w, h = (self.mapobj1.width, self.mapobj1.height) max = mapscript.rectObj() max.minx, max.miny, max.maxx, max.maxy = (-100.0,-100.0,100.0,100.0) p = mapscript.pointObj() p.x, p.y = (50, 50) extent = self.mapobj1.extent self.mapobj1.zoomPoint(-4, p, w, h, extent, max) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, max) def testZoomBadSize(self): """ZoomPointTestCase.testZoomBadSize: zooming to a bad size raises proper error""" p = mapscript.pointObj() p.x, p.y = (50, 50) extent = self.mapobj1.extent w = 0 h = -1 self.assertRaises(mapscript.MapServerError, self.mapobj1.zoomPoint, -2, p, w, h, extent, None); def testZoomBadExtent(self): """ZoomPointTestCase.testZoomBadExtent: zooming to a bad extent raises proper error""" p = mapscript.pointObj() p.x, p.y = (50, 50) extent = self.mapobj1.extent extent.maxx = extent.maxx - 1000000 w = 100 h = 100 self.assertRaises(mapscript.MapServerError, self.mapobj1.zoomPoint, -2, p, w, h, extent, None); class ZoomRectangleTestCase(MapZoomTestCase): def testZoomRectangle(self): """ZoomRectangleTestCase.testZoomRectangle: zooming to an extent returns proper map extent""" w, h = (self.mapobj1.width, self.mapobj1.height) r = mapscript.rectObj(1, 26, 26, 1, 1) extent = self.mapobj1.extent self.mapobj1.zoomRectangle(r, w, h, extent, None) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, mapscript.rectObj(-49,24,-24,49)) def testZoomRectangleConstrained(self): """ZoomRectangleTestCase.testZoomRectangleConstrained: zooming to a constrained extent returns proper extent""" w, h = (self.mapobj1.width, self.mapobj1.height) max = mapscript.rectObj(-100.0, -100.0, 100.0, 100.0) r = mapscript.rectObj(0, 200, 200, 0, 1) extent = self.mapobj1.extent self.mapobj1.zoomRectangle(r, w, h, extent, max) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, max) def testZoomRectangleBadly(self): """zooming into an invalid extent raises proper error""" w, h = (self.mapobj1.width, self.mapobj1.height) r = mapscript.rectObj(0, 0, 200, 200) extent = self.mapobj1.extent self.assertRaises(mapscript.MapServerError, self.mapobj1.zoomRectangle, r, w, h, extent, None) class ZoomScaleTestCase(MapZoomTestCase): def testRecenter(self): """ZoomScaleTestCase.testRecenter: recentering map returns proper extent""" w, h = (self.mapobj1.width, self.mapobj1.height) p = mapscript.pointObj() p.x, p.y = (50, 50) scale = 2834.6472 extent = self.mapobj1.extent self.mapobj1.zoomScale(scale, p, w, h, extent, None) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, mapscript.rectObj(-50,-50,50,50)) def testZoomInScale(self): """ZoomScaleTestCase.testZoomInScale: zooming in to a specified scale returns proper extent""" w, h = (self.mapobj1.width, self.mapobj1.height) p = mapscript.pointObj() p.x, p.y = (50, 50) scale = 1417.3236 extent = self.mapobj1.extent self.mapobj1.zoomScale(scale, p, w, h, extent, None) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, mapscript.rectObj(-25,-25,25,25)) def testZoomOutScale(self): """ZoomScaleTestCase.testZoomOutScale: zooming out to a specified scale returns proper extent""" w, h = (self.mapobj1.width, self.mapobj1.height) p = mapscript.pointObj() p.x, p.y = (50, 50) scale = 5669.2944 extent = self.mapobj1.extent self.mapobj1.zoomScale(scale, p, w, h, extent, None) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, mapscript.rectObj(-100,-100,100,100)) def testZoomOutPointConstrained(self): """ZoomScaleTestCase.testZoomOutPointConstrained: zooming out to a constrained extent returns proper extent""" w, h = (self.mapobj1.width, self.mapobj1.height) max = mapscript.rectObj() max.minx, max.miny, max.maxx, max.maxy = (-100.0,-100.0,100.0,100.0) p = mapscript.pointObj() p.x, p.y = (50, 50) extent = self.mapobj1.extent scale = 10000 self.mapobj1.zoomScale(scale, p, w, h, extent, max) new_extent = self.mapobj1.extent self.assertRectsEqual(new_extent, max) # =========================================================================== # Run the tests outside of the main suite if __name__ == '__main__': unittest.main()