clonetest.py

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

# $Id: clonetest.py,v 1.4 2004/10/27 18:13:40 sean Exp $
#
# Project:  MapServer
# Purpose:  xUnit style Python mapscript tests of map cloning
# 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/clonetest.py -v
#
# ===========================================================================

import os, sys
import unittest

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

from testing import mapscript
from testing import TESTMAPFILE
from testing import MapscriptTestCase

# ===========================================================================
# Base class

class MapCloneTestCase(MapscriptTestCase):
    """Base class for testing with a map fixture"""

    def setUp(self):
        self.mapobj_orig = mapscript.mapObj(TESTMAPFILE)
        self.mapobj_clone = self.mapobj_orig.clone()
        
    def tearDown(self):
        self.mapobj_orig = None
        self.mapobj_clone = None

# ===========================================================================
# Tests begin here

class MapCloningTestCase(MapCloneTestCase):

    def testClonedName(self):
        """MapCloningTestCase.testClonedName: the name of a cloned map equals the original"""
        assert self.mapobj_clone.name == self.mapobj_orig.name

    def testClonedLayers(self):
        """MapCloningTestCase.testClonedLayers: the layers of a cloned map equal the original"""
        assert self.mapobj_clone.numlayers == self.mapobj_orig.numlayers
        assert self.mapobj_clone.getLayer(0).data \
            == self.mapobj_orig.getLayer(0).data

    def testSetFontSet(self):
        """MapCloningTestCase.testSetFontSet: the number of fonts in a cloned map equal original"""
        assert self.mapobj_clone.fontset.numfonts == 2
    
    def testSetSymbolSet(self):
        """MapCloningTestCase.testSetSymbolSet: the number of symbols in a cloned map equal original"""
        num = self.mapobj_clone.symbolset.numsymbols
        assert num == 4, num
   
    def testDrawClone(self):
        """drawing a cloned map works properly"""
        msimg = self.mapobj_clone.draw()
        assert msimg.thisown == 1
        data = msimg.saveToString()
        filename = 'testClone.png'
        fh = open(filename, 'wb')
        fh.write(data)
        fh.close()

    def testDrawCloneJPEG(self):
        """drawing a cloned map works properly"""
        self.mapobj_clone.selectOutputFormat('JPEG')
        self.mapobj_clone.getLayerByName('INLINE-PIXMAP-RGBA').status = mapscript.MS_ON
        msimg = self.mapobj_clone.draw()
        assert msimg.thisown == 1
        data = msimg.saveToString()
        filename = 'testClone.jpg'
        fh = open(filename, 'wb')
        fh.write(data)
        fh.close()

    def testDrawClonePNG24(self):
        """drawing a cloned map works properly"""
        self.mapobj_clone.selectOutputFormat('PNG24')
        self.mapobj_clone.getLayerByName('INLINE-PIXMAP-RGBA').status = mapscript.MS_ON
        msimg = self.mapobj_clone.draw()
        assert msimg.thisown == 1
        data = msimg.saveToString()
        filename = 'testClonePNG24.png'
        fh = open(filename, 'wb')
        fh.write(data)
        fh.close()

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