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# $Id: testing.py 5539 2006-07-03 21:35:10Z hobu $
#
# Project: MapServer
# Purpose: xUnit style Python mapscript testing utilities
# 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.
# ===========================================================================
#
# Purpose of this module is to export the locally built mapscript module
# prior to installation, do some name normalization that allows testing of
# the so-called next generation class names, and define some classes
# useful to many test cases.
#
# All test case modules should import mapscript from testing
#
# from testing import mapscript
#
# ===========================================================================
import os
import sys
import distutils.util
import unittest
# define the path to mapserver test data
TESTS_PATH = '../../../../tests'
TESTMAPFILE = os.path.join(TESTS_PATH, 'test.map')
XMARKS_IMAGE = os.path.join(TESTS_PATH, 'xmarks.png')
HOME_IMAGE = os.path.join(TESTS_PATH, 'home.png')
TEST_IMAGE = os.path.join(TESTS_PATH, 'test.png')
INCOMING = '/tmp/'
# Put local build directory on head of python path
platformdir = '-'.join((distutils.util.get_platform(),
'.'.join(map(str, sys.version_info[0:2]))))
sys.path.insert(0, os.path.join('../../build', 'lib.' + platformdir))
# import mapscript from the local build directory
import mapscript
# ==========================================================================
# Base testing classes
class MapscriptTestCase(unittest.TestCase):
def assertAlmostEqual(self, first, second, places=7):
"""Copied from unittest for use with Python 2.1 or 2.2"""
if round(second-first, places) != 0:
raise AssertionError, \
'%s != %s within %s places' % (`first`, `second`, `places`)
class MapPrimitivesTestCase(MapscriptTestCase):
"""Base class for testing primitives (points, lines, shapes)
in stand-alone mode"""
def addPointToLine(self, line, point):
"""Using either the standard or next_generation_api"""
try:
line.add(point)
except AttributeError: # next_generation_api
line.addPoint(point)
except:
raise
def getPointFromLine(self, line, index):
"""Using either the standard or next_generation_api"""
try:
point = line.get(index)
return point
except AttributeError: # next_generation_api
point = line.getPoint(index)
return point
except:
raise
def addLineToShape(self, shape, line):
"""Using either the standard or next_generation_api"""
try:
shape.add(line)
except AttributeError: # next_generation_api
shape.addLine(line)
except:
raise
def getLineFromShape(self, shape, index):
"""Using either the standard or next_generation_api"""
try:
line = shape.get(index)
return line
except AttributeError: # next_generation_api
line = shape.getLine(index)
return line
except:
raise
def assertPointsEqual(self, first, second):
self.assertAlmostEqual(first.x, second.x)
self.assertAlmostEqual(first.y, second.y)
def assertLinesEqual(self, first, second):
assert first.numpoints == second.numpoints
for i in range(first.numpoints):
point_first = self.getPointFromLine(first, i)
point_second = self.getPointFromLine(second, i)
self.assertPointsEqual(point_first, point_second)
def assertShapesEqual(self, first, second):
assert first.numlines == second.numlines
for i in range(first.numlines):
line_first = self.getLineFromShape(first, i)
line_second = self.getLineFromShape(second, i)
self.assertLinesEqual(line_first, line_second)
def assertRectsEqual(self, first, second):
self.assertAlmostEqual(first.minx, second.minx)
self.assertAlmostEqual(first.miny, second.miny)
self.assertAlmostEqual(first.maxx, second.maxx)
self.assertAlmostEqual(first.maxy, second.maxy)
class MapTestCase(MapPrimitivesTestCase):
"""Base class for testing with a map fixture"""
def setUp(self):
self.map = mapscript.mapObj(TESTMAPFILE)
#self.xmarks_image = xmarks_image
#self.test_image = test_image
def tearDown(self):
self.map = None
class MapZoomTestCase(MapPrimitivesTestCase):
"Testing new zoom* methods that we are adapting from the PHP MapScript"
def setUp(self):
self.mapobj1 = mapscript.mapObj(TESTMAPFILE)
# Change the extent for purposes of zoom testing
rect = mapscript.rectObj()
rect.minx, rect.miny, rect.maxx, rect.maxy = (-50.0, -50.0, 50.0, 50.0)
self.mapobj1.extent = rect
# Change height/width as well
self.mapobj1.width, self.mapobj1.height = (100, 100)
def tearDown(self):
self.mapobj1 = None
class ShapeObjTestCase(MapPrimitivesTestCase):
"""Base class for shapeObj tests"""
pass
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