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# Copyright (c) 2002, 2003 by Intevation GmbH
# Authors:
# Bernhard Herzog <bh@intevation.de>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with Thuban for details.
"""
Test the Menu
"""
__version__ = "$Revision: 1528 $"
import unittest
import support
support.initthuban()
from Thuban.Model.classgen import \
generate_singletons, \
generate_uniform_distribution, \
generate_quantiles, \
calculate_quantiles, \
grey_ramp, CustomRamp, FixedRamp
from Thuban.Model.range import Range
from Thuban.Model.color import Color
from Thuban.Model.classification import ClassGroupRange, ClassGroupProperties
class ClassGenTest(unittest.TestCase):
def doClassRangeTest(self, clazz, ranges):
self.assertEquals(clazz.GetNumGroups(), len(ranges))
for i in range(clazz.GetNumGroups()):
group = clazz.GetGroup(i)
r1 = str(Range(ranges[i]))
r2 = group.GetRange()
self.assertEquals(r1, r2)
self.doBoundsTest(clazz)
def doClassSingleTest(self, clazz, _list):
self.assertEquals(clazz.GetNumGroups(), len(_list))
for i in range(clazz.GetNumGroups()):
group = clazz.GetGroup(i)
self.assertEquals(group.GetValue(), _list[i])
self.doBoundsTest(clazz)
def doBoundsTest(self, clazz, ramp = grey_ramp):
#
# check that the properties are right (i.e. the first group
# is all white, the last is all black). This assumes that
# the grey_ramp, unless another is provided.
#
if clazz.GetNumGroups() >= 1:
groupF = clazz.GetGroup(0)
first = ramp.GetProperties(0)
self.assertEquals(groupF.GetProperties(), first)
if clazz.GetNumGroups() >= 2:
groupL = clazz.GetGroup(clazz.GetNumGroups() - 1)
last = ramp.GetProperties(1)
self.assertEquals(groupL.GetProperties(), last)
def test_generate_singletons(self):
"""Test generate_singletons"""
eq = self.assertEquals
gs = generate_singletons
ramp = grey_ramp
_list = [1, 2, 3, 4]
cl = gs(_list, ramp)
self.doClassSingleTest(cl, _list)
_list = range(0, 100)
cl = gs(_list, ramp)
self.doClassSingleTest(cl, _list)
_list = range(-100, 100)
cl = gs(_list, ramp)
self.doClassSingleTest(cl, _list)
_list = ['a', 'b', 'c', 'd']
cl = gs(_list, ramp)
self.doClassSingleTest(cl, _list)
_list = []
cl = gs(_list, ramp)
self.doClassSingleTest(cl, _list)
_list = [1]
cl = gs(_list, ramp)
self.doClassSingleTest(cl, _list)
def test_generate_uniform_distribution(self):
"""Test generate_uniform_distribution"""
eq = self.assertEquals
gud = generate_uniform_distribution
ramp = grey_ramp
cl = gud(0, 99, 10, ramp, True)
self.doClassRangeTest(cl, ("[0;10[", "[10;20[", "[20;30[", "[30;40[",
"[40;50[", "[50;60[", "[60;70[", "[70;80[",
"[80;90[", "[90;99]"))
cl = gud(0, 99, 10, ramp, False)
self.doClassRangeTest(cl, ("[0;9.9[", "[9.9;19.8[", "[19.8;29.7[",
"[29.7;39.6[", "[39.6;49.5[", "[49.5;59.4[",
"[59.4;69.3[", "[69.3;79.2[", "[79.2;89.1[",
"[89.1;99.0]"))
cl = gud(1, 2, 2, ramp, False)
self.doClassRangeTest(cl, ("[1;1.5[", "[1.5;2]"))
cl = gud(1, 2, 2, ramp, True)
self.doClassRangeTest(cl, ("[1;2[", "[2;2]"))
def test_generate_quantiles(self):
"""Test generate_quantiles"""
eq = self.assertEquals
#
# Test calculate_quantiles
#
gq = generate_quantiles
ramp = grey_ramp
adj, cl = gq([1, 2, 3, 4], [.25, .5, .75, 1.0], ramp, Range("[1;4]"))
self.failIf(adj)
self.doClassRangeTest(cl, ("[1;1]", "]1;2]", "]2;3]", "]3;4]"))
adj, cl = gq(range(0, 100), [.25, .5, .75, 1.0], ramp, Range("[0;100["))
self.failIf(adj)
self.doClassRangeTest(cl, ("[0;24]", "]24;49]", "]49;74]", "]74;100["))
adj, cl = gq(range(0, 100), [.33, .66, 1.0], ramp, Range("[0;100]"))
self.failIf(adj)
self.doClassRangeTest(cl, ("[0;32]", "]32;65]", "]65;100]"))
# negative input
adj,cl = gq(range(-100,100), [.33, .66, 1.0], ramp, Range("[-100;100]"))
self.failIf(adj)
self.doClassRangeTest(cl, ("[-100;-35]", "]-35;31]", "]31;100]"))
# unequal percentiles
adj,cl = gq(range(0, 100), [.25, .66, .8, 1.0], ramp, Range("[0;100]"))
self.failIf(adj)
self.doClassRangeTest(cl, ("[0;24]", "]24;65]", "]65;79]", "]79;100]"))
# input all the same
adj,cl = gq([1, 1, 1, 1], [.25, .5, .75, 1.0], ramp, Range("[1;4]"))
self.failUnless(adj)
self.doClassRangeTest(cl, ("[1;4]",))
# empty input
adj,cl = gq([], [.25, .5, .75, 1.0], ramp, Range("[1;4]"))
self.failUnless(adj)
self.doClassRangeTest(cl, ())
# empty range
adj,cl = gq([1, 2, 3, 4], [.25, .5, .75, 1.0], ramp, Range("]0;1["))
self.failUnless(adj)
self.doClassRangeTest(cl, ())
# empty percentiles
self.assertRaises(ValueError, gq,
[1, 2, 3, 4], [], ramp, Range("]0;1["))
# single percentile
self.assertRaises(ValueError, gq,
[1, 2, 3, 4], [.5], ramp, Range("[0;4]"))
# more percentiles than input
adj,cl = gq([1], [.5, 1.0], ramp, Range("[0;4]"))
self.failUnless(adj)
self.doClassRangeTest(cl, ("[0;4]",))
adj,cl = gq([1], [.1, .2, .3, .4, .5, .6, .7, .8, .9, 1.0], ramp, Range("[0;4]"))
self.failUnless(adj)
self.doClassRangeTest(cl, ("[0;4]",))
# range smaller than the input
adj,cl = gq([1, 2, 3, 4], [.5, 1.0], ramp, Range("[2;3]"))
self.failIf(adj)
self.doClassRangeTest(cl, ("[2;2]","]2;3]"))
# range outside the input
adj,cl = gq([5, 6, 7, 8], [.5, 1.0], ramp, Range("[2;3]"))
self.failUnless(adj)
self.doClassRangeTest(cl, ())
adj,cl = gq([1, 1, 1, 1, 1, 1], [.25, .5, .75, 1.0], ramp, Range("[1;4]"))
self.failUnless(adj)
self.doClassRangeTest(cl, ("[1;4]",))
adj,cl = gq([1, 1, 1, 1, 1, 2, 3], [.25, .5, .75, 1.0], ramp, Range("[1;4]"))
self.failUnless(adj)
self.doClassRangeTest(cl, ("[1;1]", "]1;2]", "]2;4]"))
# adjusted quantiles
adj,cl = gq([1, 1, 1, 1, 1,
2, 2, 2, 2, 2,
3, 3, 3, 3, 3,
4, 4, 4, 4, 4,
5, 5, 5, 5, 5],
[.12, .24, .36, .50, .62, .76, .88, 1.0], ramp, Range("[1;5]"))
self.failUnless(adj)
self.doClassRangeTest(cl, ("[1;1]", "]1;2]", "]2;3]", "]3;4]", "]4;5]"))
def test_calculate_quantiles(self):
"""Test calculate_quantiles"""
eq = self.assertEquals
#
# Test calculate_quantiles
#
cq = calculate_quantiles
result = cq([1, 2, 3, 4], [.25, .5, .75, 1.0], Range("[1;4]"))
eq(result, (0, 0, 3, [(0, .25), (1, .5), (2, .75), (3, 1.0)]))
result = cq(range(0, 100), [.25, .5, .75, 1.0], Range("[0;100]"))
eq(result, (0, 0, 99, [(24, .25), (49, .5), (74, .75), (99, 1.0)]))
result = cq(range(0, 100), [.33, .66, 1.0], Range("[0;100]"))
eq(result, (0, 0, 99, [(32, .33), (65, .66), (99, 1.0)]))
# negative input
result = cq(range(-100, 100), [.33, .66, 1.0], Range("[-100;100]"))
eq(result, (0, 0, 199, [(65, .33), (131, .66), (199, 1.0)]))
# unequal percentiles
result = cq(range(0, 100), [.25, .66, .8, 1.0], Range("[0;100]"))
eq(result, (0, 0, 99, [(24, .25), (65, .66), (79, .8), (99, 1.0)]))
# input all the same
result = cq([1, 1, 1, 1], [.25, .5, .75, 1.0], Range("[1;4]"))
eq(result, (1, 0, 3, [(3, 1.0)]))
# empty input
result = cq([], [.25, .5, .75, 1.0], Range("[1;4]"))
eq(result, None)
# empty range
result = cq([1, 2, 3, 4], [.25, .5, .75, 1.0], Range("]0;1["))
eq(result, None)
# empty percentiles
self.assertRaises(ValueError, cq, [1, 2, 3, 4], [], Range("]0;1["))
# single percentile
self.assertRaises(ValueError, cq, [1, 2, 3, 4], [.5], Range("[0;4]"))
# percentile doesn't cover range
self.assertRaises(ValueError, cq, [1, 2, 3, 4], [.5,.8], Range("[0;4]"))
# more percentiles than input
result = cq([1], [.5, 1.0], Range("[0;4]"))
eq(result, (1, 0, 0, [(0, 1.0)]))
result = cq([1], [.1, .2, .3, .4, .5, .6, .7, .8, .9, 1.0], Range("[0;4]"))
eq(result, (1, 0, 0, [(0, 1.0)]))
# range smaller than the input
result = cq([1, 2, 3, 4], [.5, 1.0], Range("[2;3]"))
eq(result, (0, 1, 2, [(1, .5), (2, 1.0)]))
# range outside the input
result = cq([5, 6, 7, 8], [.5, 1.0], Range("[2;3]"))
eq(result, None)
result = cq([1, 1, 1, 1, 1, 1], [.25, .5, .75, 1.0], Range("[1;4]"))
eq(result, (1, 0, 5, [(5, 1.0)]))
result = cq([1, 1, 1, 1, 1, 2, 3], [.25, .5, .75, 1.0], Range("[1;4]"))
eq(result, (1, 0, 6,
[(4, 0.7142857142857143), # the algorithm generated
(5, 0.8571428571428571), # these values, but they are
(6, 1.0)])) # right.
# adjusted quantiles
result = cq([1, 1, 1, 1, 1,
2, 2, 2, 2, 2,
3, 3, 3, 3, 3,
4, 4, 4, 4, 4,
5, 5, 5, 5, 5],
[.12, .24, .36, .50, .62, .76, .88, 1.0], Range("[1;5]"))
eq(result, (1, 0, 24, [(4, .2), (9, .4), (14, .6), (19, .8), (24, 1.0)]))
class TestCustomRamp(unittest.TestCase):
def test_color_interpolation(self):
"""Test CustomRamp color interpolation"""
start = ClassGroupProperties()
start.SetFill(Color(1, 1, 1))
start.SetLineColor(Color(0, 0, 0))
end = ClassGroupProperties()
end.SetFill(Color(1, 0, 0))
end.SetLineColor(Color(0, 1, 0))
ramp = CustomRamp(start, end)
half = ramp.GetProperties(0.5)
self.assertEquals(half.GetFill(), Color(1, 0.5, 0.5))
self.assertEquals(half.GetLineColor(), Color(0, 0.5, 0))
class TestFixedRamp(unittest.TestCase):
def test(self):
"""Test FixedRamp"""
eq = self.assertEquals
for lineColor, lineWidth, fillColor in \
[(None, None, None), (Color(1, 1, 1), None, None),
(None, 4, None), (None, None, Color(0, 1, 0)),
(Color(1, 1, 1), 4, None), (Color(1, 1, 1), None, Color(0, 1, 0)),
(None, 4, Color(0, 1, 0)), (Color(1, 1, 1), 4, Color(0, 1, 0))]:
framp = FixedRamp(grey_ramp, (lineColor, lineWidth, fillColor))
for i in [0.0, 0.2, 0.4, 0.6, 0.8, 1.0]:
props = framp.GetProperties(i)
grey = Color(1 - i, 1 - i, 1 - i)
if lineColor is not None:
eq(props.GetLineColor(), lineColor)
else:
eq(props.GetLineColor(), grey)
if lineWidth is not None:
eq(props.GetLineWidth(), lineWidth)
if fillColor is not None:
eq(props.GetFill(), fillColor)
else:
eq(props.GetFill(), grey)
if __name__ == "__main__":
unittest.main()
|
