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point_test.py
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165 lines (138 loc) · 5.33 KB
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# Project: MapServer
# Purpose: xUnit style Python mapscript tests of Point
# 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.
# ===========================================================================
import unittest
import mapscript
have_image = False
try:
from PIL import Image
have_image = True
except ImportError:
pass
class PointObjTestCase(unittest.TestCase):
def testPointObjConstructorNoArgs(self):
"""point can be created with no arguments"""
p = mapscript.pointObj()
self.assertAlmostEqual(p.x, 0.0)
self.assertAlmostEqual(p.y, 0.0)
def testPointObjConstructorArgs(self):
"""point can be created with arguments"""
p = mapscript.pointObj(1.0, 1.0)
self.assertAlmostEqual(p.x, 1.0)
self.assertAlmostEqual(p.y, 1.0)
def testSetXY(self):
"""point can have its x and y reset"""
p = mapscript.pointObj()
p.setXY(1.0, 1.0)
self.assertAlmostEqual(p.x, 1.0)
self.assertAlmostEqual(p.y, 1.0)
if hasattr(p, "m"):
self.assertAlmostEqual(p.m, -2e38)
def testSetXYM(self):
"""point can have its x and y reset (with m value)"""
p = mapscript.pointObj()
p.setXY(1.0, 1.0, 1.0)
self.assertAlmostEqual(p.x, 1.0)
self.assertAlmostEqual(p.y, 1.0)
if hasattr(p, "m"):
self.assertAlmostEqual(p.m, 1.0)
def testSetXYZ(self):
"""point can have its x, y, z reset (with m value)"""
p = mapscript.pointObj()
p.setXYZ(1.0, 2.0, 3.0, 4.0)
self.assertAlmostEqual(p.x, 1.0)
self.assertAlmostEqual(p.y, 2.0)
if hasattr(p, "z") and hasattr(p, "m"):
self.assertAlmostEqual(p.z, 3.0)
self.assertAlmostEqual(p.m, 4.0)
def testPointDraw(self):
"""Can create a point, add to a layer, and draw it directly"""
map_string = """
MAP
EXTENT 0 0 90 90
SIZE 500 500
SYMBOL
NAME "circle"
TYPE ELLIPSE
POINTS 1 1 END
FILLED true
END
LAYER
NAME "punkt"
STATUS ON
TYPE POINT
END
END"""
test_map = mapscript.fromstring(map_string)
layer = test_map.getLayerByName("punkt")
cls = mapscript.classObj()
style = mapscript.styleObj()
style.outlinecolor.setHex("#00aa00ff")
style.size = 10
style.setSymbolByName(test_map, "circle")
cls.insertStyle(style)
class_idx = layer.insertClass(cls)
point = mapscript.pointObj(45, 45)
img = test_map.prepareImage()
point.draw(test_map, layer, img, class_idx, "test")
filename = "testDrawPoint.png"
with open(filename, "wb") as fh:
img.write(fh)
if have_image:
pyimg = Image.open(filename)
assert pyimg.size == (500, 500)
def testPoint__str__(self):
"""return properly formatted string"""
p = mapscript.pointObj(1.0, 1.0)
if hasattr(p, "z"):
p_str = "{ 'x': %.16g, 'y': %.16g, 'z': %.16g }" % (p.x, p.y, p.z)
else:
p_str = "{ 'x': %.16g, 'y': %.16g }" % (p.x, p.y)
assert str(p) == p_str, str(p)
def testPointToString(self):
"""return properly formatted string in toString()"""
p = mapscript.pointObj(1.0, 1.0, 0.002, 15.0)
if hasattr(p, "z") and hasattr(p, "m"):
p_str = "{ 'x': %.16g, 'y': %.16g, 'z': %.16g, 'm': %.16g }" % (
p.x,
p.y,
p.z,
p.m,
)
else:
p_str = "{ 'x': %.16g, 'y': %.16g }" % (p.x, p.y)
assert p.toString() == p_str, p.toString()
def testPointGeoInterface(self):
"""return point using the __geo_interface__ protocol"""
p = mapscript.pointObj(1.0, 1.0, 0.002, 15.0)
if hasattr(p, "z"):
assert p.__geo_interface__ == {
"type": "Point",
"coordinates": (1.0, 1.0, 0.002),
}
else:
assert p.__geo_interface__ == {"type": "Point", "coordinates": (1.0, 1.0)}
if __name__ == "__main__":
unittest.main()