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# $Id: resultcachetest.py 3886 2004-10-26 17:18:34Z sean $
#
# Project: MapServer
# Purpose: xUnit style Python mapscript tests of ResultCache
# 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/resultcachetest.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, MapPrimitivesTestCase
# Base class
class LayerQueryTestCase(MapTestCase):
def setUp(self):
MapTestCase.setUp(self)
self.layer = self.map.getLayer(1)
self.layer.template = 'some day i will fix this!'
def pointquery(self):
p = mapscript.pointObj(0.0, 51.5)
self.layer.queryByPoint(self.map, p, mapscript.MS_MULTIPLE, -1)
return self.layer.getResults()
def indexquery(self):
self.layer.queryByIndex(self.map, -1, 0, mapscript.MS_TRUE)
return self.layer.getResults()
# ===========================================================================
# Test begins now
class ResultCacheTestCase(LayerQueryTestCase):
def testNoDirectAccess(self):
"""denying direct access to layer's resultcache"""
self.assertRaises(AttributeError, getattr, self.layer, 'resultcache')
def testNullResultCache(self):
"""before a query layer's resultcache should be NULL"""
results = self.layer.getResults()
assert results == None
class PointQueryResultsTestCase(LayerQueryTestCase):
def testCacheAfterQuery(self):
"""simple point query returns one result"""
results = self.pointquery()
assert results.numresults == 1
def testCacheAfterFailedQuery(self):
"""point query with no results returns NULL"""
p = mapscript.pointObj(0.0, 0.0)
self.layer.queryByPoint(self.map, p, mapscript.MS_MULTIPLE, -1)
results = self.layer.getResults()
assert results == None
def testDeletionOfResults(self):
"""deleting results should not harm the layer"""
results = self.pointquery()
assert results.thisown == 0
del results
results = self.layer.getResults()
assert results.numresults == 1
def testQueryResultBounds(self):
"""result bounds should equal layer bounds"""
results = self.pointquery()
e = self.layer.getExtent()
self.assertRectsEqual(results.bounds, e)
def testQueryResultMembers(self):
"""get the single result member"""
results = self.pointquery()
self.layer.open()
res = results.getResult(0)
feature = self.layer.getFeature(res.shapeindex, res.tileindex)
self.layer.close()
self.assertRectsEqual(results.bounds, feature.bounds)
assert feature.getValue(1) == 'A Polygon'
def testQueryResultsListComp(self):
"""get all results using list comprehension"""
results = self.pointquery()
result_list = [results.getResult(i) for i in range(results.numresults)]
assert len(result_list) == 1
assert result_list[0].shapeindex == 0
def testQueryByIndex(self):
"""pop a result into the result set"""
self.layer.queryByIndex(self.map, -1, 0, mapscript.MS_FALSE)
results = self.layer.getResults()
assert results.numresults == 1
self.layer.queryByIndex(self.map, -1, 0, mapscript.MS_TRUE)
results = self.layer.getResults()
assert results.numresults == 2
class DumpAndLoadTestCase(LayerQueryTestCase):
def testSaveAndLoadQuery(self):
"""test saving query to a file"""
results = self.pointquery()
self.map.saveQuery('test.qry')
self.map.freeQuery()
results = self.layer.getResults()
assert results == None
self.map.loadQuery('test.qry')
results = self.layer.getResults()
assert results is not None
class LayerOffQueryTestCase(LayerQueryTestCase):
def testPointQueryOffLayer(self):
"""simple point query returns one result, even if layer is off"""
self.layer.status = mapscript.MS_OFF
results = self.pointquery()
assert results.numresults == 1
def testIndexQueryOffLayer(self):
"""simple index query returns one result, even if layer is off"""
self.layer.status = mapscript.MS_OFF
results = self.indexquery()
assert results.numresults == 1
# ===========================================================================
# Run the tests outside of the main suite
if __name__ == '__main__':
unittest.main()
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