def test_FunctionParam_logistics4(self):
"""
Tests if function logistics4 calculates the correct value.
"""
test_func = FunctionParam('logistics4', 1, 2, 3, 4)
self.assertAlmostEqual(test_func._value(0), 1, delta=0.001)
self.assertAlmostEqual(test_func._value(10), 3, delta=0.001)
self.assertEqual(test_func.func_name, 'logistics4')
self.assertEqual(str(test_func)[0:1], '1')
def test_Wrapper(self):
"""
tests if a wrapper object gives the same result as the class Wrapper()
calculates
"""
test_func = FunctionParam('power3', 0.5, 1.0, 0.0, wrapper=np.exp)
test_func2 = FunctionParam('power3',
0.5,
1.0,
0.0,
wrapper=Wrapper(np.exp))
self.assertEqual(test_func._value(9), test_func2._value(9))
def test_FunctionParam_exp3(self):
"""
tests if function exp3 calculates the correct value.
"""
test_func = FunctionParam('exp3', 1, 1, 0)
self.assertEqual(test_func._value(0), 2)
def test_FunctionParam_power3(self):
"""
tests if function power3 calculates the correct value
"""
test_func = FunctionParam('power3', 0, 1, 0)
self.assertEqual(test_func._value(0), 1)
def test_FunctionParam_f2(self):
"""
tests if function f1 calculates the correct value
"""
test_func = FunctionParam(1, 1, 0, 'f2')
self.assertEqual(test_func._value(0), 2)
def test_FunctionParam_asymdecrease3(self):
"""
Tests if function asymdecrease3 calculates the correct value.
"""
test_func = FunctionParam('asymdecrease3', 1, 4, 3)
self.assertEqual(test_func._value(0), 5)
self.assertEqual(test_func.func_name, 'asymdecrease3')
self.assertEqual(str(test_func)[0:1], '1')
def test_FunctionParam_powerdecrease3(self):
"""
Tests if function powerdecrease3 calculates the correct value.
"""
test_func = FunctionParam('powerdecrease3', 1, 2, 2)
self.assertEqual(test_func._value(0), 1.25)
self.assertEqual(test_func.func_name, 'powerdecrease3')
self.assertEqual(str(test_func)[0:1], '1')
def test_FunctionParam_lnsquare2(self):
"""
Tests if function lnsquare2 calculates the correct value.
"""
test_func = FunctionParam('lnsquare2', 1, 1, None)
self.assertEqual(test_func._value(0), 0)
self.assertEqual(test_func.func_name, 'lnsquare2')
self.assertEqual(str(test_func)[0:2], 'ln')
def test_FunctionParam_alpha3(self):
"""
Tests if function alpha3 calculates the correct value.
"""
# Use the function presented in 'Global hierachical models ...' for dataset D.
test_func = FunctionParam('alpha3',
0.394,
0.0178,
1.88,
C1=0.582,
C2=1.90,
C3=0.248,
C4=8.49)
self.assertAlmostEqual(test_func._value(0), 0.2, delta=0.2)
self.assertAlmostEqual(test_func._value(10), 1, delta=0.3)
self.assertAlmostEqual(test_func._value(20), 4, delta=0.5)
self.assertEqual(test_func.func_name, 'alpha3')
self.assertEqual(str(test_func)[0:1], '(')
