linetest.py

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

# $Id: linetest.py,v 1.2 2004/09/28 15:14:08 sean Exp $
#
# Project:  MapServer
# Purpose:  xUnit style Python mapscript tests of Map "zooming"
# 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/shapetest.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

class LineObjTestCase(MapPrimitivesTestCase):
    """Testing the lineObj class in stand-alone mode"""
    
    def setUp(self):
        """The test fixture is a line with two points"""
        self.points = (mapscript.pointObj(0.0, 1.0),
                       mapscript.pointObj(2.0, 3.0))
        self.line = mapscript.lineObj()
        self.addPointToLine(self.line, self.points[0])
        self.addPointToLine(self.line, self.points[1])
    
    def testCreateLine(self):
        """created line has the correct number of points"""
        assert self.line.numpoints == 2
    
    def testGetPointsFromLine(self):
        """points in the line share are the same that were input"""
        for i in range(len(self.points)):
            got_point = self.getPointFromLine(self.line, i)
            self.assertPointsEqual(got_point, self.points[i])
    
    def testAddPointToLine(self):
        """adding a point to a line behaves correctly"""
        new_point = mapscript.pointObj(4.0, 5.0)
        self.addPointToLine(self.line, new_point)
        assert self.line.numpoints == 3
    
    def testAlterNumPoints(self):
        """numpoints is immutable, this should raise error"""
        self.assertRaises(AttributeError, setattr, self.line, 'numpoints', 3)

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