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# $Id: threadtest.py 6191 2007-06-11 01:23:09Z hobu $
#
# Project: MapServer
# Purpose: xUnit style Python mapscript test of multi-threading
# 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/threadtest.py -v
#
# ===========================================================================
import os, sys
import unittest
import threading
# the testing module helps us import the pre-installed mapscript
from testing import mapscript, TESTMAPFILE, INCOMING
def draw_map(name, save=0):
#print "making map in thread %s" % (name)
mo = mapscript.mapObj(TESTMAPFILE)
im = mo.draw()
if save:
im.save('threadtest_%s.png' % (name))
def trigger_exception(name):
#print "triggering exception in thread %s" % (name)
mo = mapscript.mapObj(TESTMAPFILE)
try:
mo.setExtent(1, 50, -1, 51)
raise Exception, "We expected a MapServer exception"
except mapscript.MapServerError:
pass
class MultipleThreadsTestCase(unittest.TestCase):
def testDrawMultiThreads(self):
"""map drawing with multiple threads"""
workers = []
for i in range(10):
name = 'd%d' % (i)
thread = threading.Thread(target=draw_map, name=name, args=(name,1))
workers.append(thread)
thread.start()
def testExceptionsMultiThreads(self):
"""mapserver exceptions behave with multiple threads"""
workers = []
for i in range(10):
name = 'e%d' % (i)
thread = threading.Thread(target=trigger_exception, name=name,
args=(name,))
workers.append(thread)
thread.start()
def testExceptionContainmentMultiThreads(self):
"""mapserver exceptions should be contained to a thread"""
num = 100
workers = []
# Trigger an exception in the first started thread
for i in range(0, 1):
name = 'c%d' % (i)
thread = threading.Thread(target=trigger_exception, name=name,
args=(name,))
workers.append(thread)
# Draw normally
for i in range(1, num):
name = 'c%d' % (i)
thread = threading.Thread(target=draw_map, name=name,
args=(name,))
workers.append(thread)
# Start all threads
for i in range(num):
workers[i].start()
def draw_map_wfs(name, save=0):
#print "making map in thread %s" % (name)
mo = mapscript.mapObj(TESTMAPFILE)
# WFS layer
lo = mapscript.layerObj()
lo.name = 'cheapo_wfs'
lo.setProjection('+init=epsg:4326')
lo.connectiontype = mapscript.MS_WFS
lo.connection = 'http://zcologia.com:9001/mapserver/members/features.rpy?'
lo.metadata.set('wfs_service', 'WFS')
lo.metadata.set('wfs_typename', 'users')
lo.metadata.set('wfs_version', '1.0.0')
lo.type = mapscript.MS_LAYER_POINT
lo.status = mapscript.MS_DEFAULT
lo.labelitem = 'zco:mid'
so1 = mapscript.styleObj()
so1.color.setHex('#FFFFFF')
so1.size = 9
so1.symbol = 1 #mo.symbolset.index('circle')
so2 = mapscript.styleObj()
so2.color.setHex('#333333')
so2.size = 7
so2.symbol = 1 #mo.symbolset.index('circle')
co = mapscript.classObj()
co.label.type = mapscript.MS_BITMAP
co.label.size = mapscript.MS_SMALL
co.label.color.setHex('#000000')
co.label.outlinecolor.setHex('#FFFFFF')
co.label.position = mapscript.MS_AUTO
co.insertStyle(so1)
co.insertStyle(so2)
lo.insertClass(co)
mo.insertLayer(lo)
if not mo.web.imagepath:
mo.web.imagepath = os.environ.get('TEMP', None) or INCOMING
mo.debug = mapscript.MS_ON
im = mo.draw()
if save:
im.save('threadtest_wfs_%s.png' % (name))
def draw_map_wms(name, save=0):
#print "making map in thread %s" % (name)
mo = mapscript.mapObj(TESTMAPFILE)
# WFS layer
lo = mapscript.layerObj()
lo.name = 'jpl_wms'
lo.setProjection('+init=epsg:4326')
lo.connectiontype = mapscript.MS_WMS
# lo.connection = 'http://wms.jpl.nasa.gov/wms.cgi?'
lo.connection = 'http://labs.metacarta.com/wms/vmap0?'
lo.metadata.set('wms_service', 'WMS')
lo.metadata.set('wms_server_version', '1.1.1')
lo.metadata.set('wms_name', 'basic')
lo.metadata.set('wms_style', 'visual')
lo.metadata.set('wms_format', 'image/jpeg')
lo.type = mapscript.MS_LAYER_RASTER
lo.status = mapscript.MS_DEFAULT
lo.debug = mapscript.MS_ON
mo.insertLayer(lo)
if not mo.web.imagepath:
mo.web.imagepath = os.environ.get('TEMP', None) or INCOMING
mo.debug = mapscript.MS_ON
mo.selectOutputFormat('image/jpeg')
im = mo.draw()
if save:
im.save('threadtest_wms_%s.jpg' % (name))
class OWSRequestTestCase(unittest.TestCase):
#def testDrawWFS(self):
# workers = []
# for i in range(10):
# name = 'd%d' % (i)
# thread = threading.Thread(target=draw_map_wfs, name=name,
# args=(name,1))
# workers.append(thread)
# thread.start()
def testDrawWMS(self):
workers = []
for i in range(10):
name = 'd%d' % (i)
thread = threading.Thread(target=draw_map_wms, name=name,
args=(name,1))
workers.append(thread)
thread.start()
# -----------------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
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