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# $Id: symbolsettest.py 6566 2007-08-12 16:07:51Z hobu $
#
# Project: MapServer
# Purpose: xUnit style Python mapscript tests of SymbolSet
# 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/symbolsettest.py -v
#
# ===========================================================================
import os, sys
import unittest
# the testing module helps us import the pre-installed mapscript
from testing import mapscript, MapTestCase, TESTMAPFILE, XMARKS_IMAGE
SYMBOLSET = '../../../../tests/symbols.txt'
# ===========================================================================
# Test begins now
class SymbolSetTestCase(unittest.TestCase):
def testConstructorNoArgs(self):
"""new instance of symbolSetObj should have one symbol"""
symbolset = mapscript.symbolSetObj()
num = symbolset.numsymbols
assert num == 1, num
def testConstructorFile(self):
"""new instance of symbolSetObj from symbols.txt"""
symbolset = mapscript.symbolSetObj(SYMBOLSET)
num = symbolset.numsymbols
assert num == 4, num
def testAddSymbolToNewSymbolSet(self):
"""add two new symbols to a SymbolSet"""
symbolset = mapscript.symbolSetObj(SYMBOLSET)
symbola = mapscript.symbolObj('testa')
symbolb = mapscript.symbolObj('testb')
symbolset.appendSymbol(symbola)
symbolset.appendSymbol(symbolb)
num = symbolset.numsymbols
assert num == 6, num
names = [None, 'circle', 'xmarks-png', 'home-png', 'testa', 'testb']
for i in range(symbolset.numsymbols):
symbol = symbolset.getSymbol(i)
assert symbol.name == names[i], symbol.name
def testRemoveSymbolFromNewSymbolSet(self):
"""after removing a symbol, expect numsymbols -= 1"""
symbolset = mapscript.symbolSetObj(SYMBOLSET)
symbolset.removeSymbol(1)
num = symbolset.numsymbols
assert num == 3, num
def testSaveNewSymbolSet(self):
"""save a new SymbolSet to disk"""
symbolset = mapscript.symbolSetObj(SYMBOLSET)
symbola = mapscript.symbolObj('testa')
symbolb = mapscript.symbolObj('testb')
symbolset.appendSymbol(symbola)
symbolset.appendSymbol(symbolb)
assert symbolset.save('new_symbols.txt') == mapscript.MS_SUCCESS
def testError(self):
symbolset = mapscript.symbolSetObj(SYMBOLSET)
symbola = mapscript.symbolObj('testa')
symbolb = mapscript.symbolObj('testb')
symbolset.appendSymbol(symbola)
symbolset.appendSymbol(symbolb)
self.assertRaises(mapscript.MapServerError, symbolset.save, '/bogus/new_symbols.txt')
class MapSymbolSetTestCase(MapTestCase):
def testGetNumSymbols(self):
"""expect getNumSymbols == 2 from test fixture test.map"""
num = self.map.getNumSymbols()
assert num == 4, num
def testSymbolSetNumsymbols(self):
"""expect numsymbols == 2 from test fixture test.map"""
num = self.map.symbolset.numsymbols
assert num == 4, num
def testSymbolSetSymbolNames(self):
"""test names of symbols in test fixture's symbolset"""
set = self.map.symbolset
names = [None, 'circle', 'xmarks-png', 'home-png']
for i in range(set.numsymbols):
symbol = set.getSymbol(i)
assert symbol.name == names[i], symbol.name
def testSymbolIndex(self):
"""expect index of 'circle' symbol to be 1 in test fixture symbolset"""
i = self.map.symbolset.index('circle')
assert i == 1, i
def testBug1962(self):
"""resetting imagepath doesn't cause segfault"""
layer = self.map.getLayerByName('POINT')
style0 = layer.getClass(0).getStyle(0)
sym0 = style0.symbol
sym1 = self.map.symbolset.getSymbol(sym0)
sym2 = mapscript.symbolObj('xxx')
sym1.setImagepath(XMARKS_IMAGE)
self.assertRaises(IOError, sym1.setImagepath, '/bogus/new_symbols.txt')
msimg = self.map.draw()
assert msimg.thisown == 1
data = msimg.getBytes()
filename = 'testBug1962.png'
fh = open(filename, 'wb')
fh.write(data)
fh.close()
def testDrawNewSymbol(self):
"""draw using a new symbol added to the fixture"""
symbol = mapscript.symbolObj('xmarks', XMARKS_IMAGE)
symbol_index = self.map.symbolset.appendSymbol(symbol)
assert symbol_index == 4, symbol_index
num = self.map.symbolset.numsymbols
assert num == 5, num
inline_layer = self.map.getLayerByName('INLINE')
s = inline_layer.getClass(0).getStyle(0)
s.symbol = symbol_index
#s.size = 24
msimg = self.map.draw()
assert msimg.thisown == 1
data = msimg.saveToString()
filename = 'testDrawNewSymbol.png'
fh = open(filename, 'wb')
fh.write(data)
fh.close()
# ===========================================================================
# Run the tests outside of the main suite
if __name__ == '__main__':
unittest.main()
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