owstest.py

Welcome to MS4W, the no fuss installer for setting up MapServer on Microsoft Windows platforms. The

# $Id: owstest.py,v 1.5 2004/11/02 19:07:13 hobu Exp $
#
# Project:  MapServer
# Purpose:  xUnit style Python mapscript tests of OWS Requests
# Author:   Sean Gillies, [e-mail]
#
# ===========================================================================
# 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/owstest.py -v
#
# ===========================================================================

import os, sys
import unittest

# the testing module helps us import the pre-installed mapscript
from testing import mapscript
from testing import MapTestCase

# ===========================================================================
# Test begins now

class OWSRequestTestCase(MapTestCase):
    
    def testInit(self):
        """OWSRequestTestCase.testInit: OWS initializer works right"""
        request = mapscript.OWSRequest()
        request.setParameter("BBOX", "-0.3,51.2,0.3,51.8")
        assert request.NumParams == 1
        assert request.getName(0) == "BBOX"
        assert request.getValue(0) == "-0.3,51.2,0.3,51.8"
    
    def testGetParameter(self):
        """OWSRequestTestCase.testGetParameter: OWS can get request parameters by index"""
        request = mapscript.OWSRequest()
        request.setParameter('foo', 'bar')
        assert request.getValue(0) == 'bar'
    
    def testGetParameterByName(self):
        """OWSRequestTestCase.testGetParameterByName: OWS can get request parameters by name"""
        request = mapscript.OWSRequest()
        request.setParameter('foo', 'bar')
        assert request.getValueByName('Foo') == 'bar'
    
    def testResetParam(self):
        """OWSRequestTestCase.testResetParam: OWS can reset parameters by name"""
        request = mapscript.OWSRequest()
        request.setParameter('foo', 'bar')
        assert request.NumParams == 1
        request.setParameter('Foo', 'bra')
        assert request.NumParams == 1
        assert request.getValue(0) == 'bra'
    
    def testLoadWMSRequest(self):
        """OWSRequestTestCase.testLoadWMSRequest: OWS can load a WMS request"""
        request = mapscript.OWSRequest()
        request.setParameter("REQUEST", "GetMap")
        request.setParameter("VERSION", "1.1.0")
        request.setParameter("FORMAT", "image/png")
        request.setParameter("LAYERS", "POINT")
        request.setParameter("BBOX", "-0.30,51.20,0.30,51.80")
        request.setParameter("SRS", "EPSG:4326")
        request.setParameter("HEIGHT", "60")
        request.setParameter("WIDTH", "60")
        for i in range(self.map.numlayers):
            self.map.getLayer(i).status = mapscript.MS_ON
        status = self.map.loadOWSParameters(request)
        assert status == mapscript.MS_SUCCESS, status
        self.assertEqual(self.map.height, 60)
        self.assertEqual(self.map.width, 60)
        self.assertEqual(self.map.getProjection(), "+init=epsg:4326")
        # MapServer extents are from middle of the pixel
        self.assertAlmostEqual(self.map.extent.minx, -0.295)
        self.assertAlmostEqual(self.map.extent.miny, 51.205)
        self.assertAlmostEqual(self.map.extent.maxx, 0.295)
        self.assertAlmostEqual(self.map.extent.maxy, 51.795)
        img = self.map.draw()
        img.save("test_load_ows_request.png")

# ===========================================================================
# Run the tests outside of the main suite

if __name__ == '__main__':
    unittest.main()