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testutil.py
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testutil.py
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import unittest
from probfit.util import describe, parse_arg
class Func_Code:
def __init__(self, varname):
self.co_varnames = varname
self.co_argcount = len(varname)
class Func1:
def __init__(self):
pass
def __call__(self, x, y):
return (x - 2.) ** 2 + (y - 5.) ** 2 + 10
class Func2:
def __init__(self):
self.func_code = Func_Code(['x', 'y'])
def __call__(self, *arg):
return (arg[0] - 2.) ** 2 + (arg[1] - 5.) ** 2 + 10
def func3(x, y):
return 0.2 * (x - 2.) ** 2 + (y - 5.) ** 2 + 10
def func4(x, y, z):
return 0.2 * (x - 2.) ** 2 + 0.1 * (y - 5.) ** 2 + 0.25 * (z - 7.) ** 2 + 10
class TestUtil(unittest.TestCase):
def setUp(self):
self.f1 = Func1()
self.f2 = Func2()
self.f3 = func3
def iterable_equal(self, x, y):
self.assertEqual(list(x), list(y))
def test_parse_arg(self):
td = {'x':1, 'y':2}
ts = parse_arg(self.f1, td)
self.assertEqual(ts, (1, 2))
def test_describe(self):
self.iterable_equal(describe(self.f1), ('x', 'y'))
self.iterable_equal(describe(self.f2), ['x', 'y'])
self.iterable_equal(describe(self.f3), ('x', 'y'))