def test_properties():
temp = PCSO({('0', '0'): 1, ('0', 1): 2})
assert temp.offset == 1
d = PCSO()
d[(0, )] += 1
d[(1, )] += 2
assert d == d.to_quso() == {(0, ): 1, (1, ): 2}
assert d.mapping == d.reverse_mapping == {0: 0, 1: 1}
d.set_mapping({1: 0, 0: 1})
assert d.to_quso() == {(1, ): 1, (0, ): 2}
assert d.mapping == d.reverse_mapping == {0: 1, 1: 0}
assert d.constraints == {}
temp = d.copy()
d.add_constraint_eq_zero(temp)
assert d.constraints == {'eq': [temp]}
# an old bug
d = PCSO()
d.set_mapping({0: 0})
d[(0, )] += 1
assert d.num_binary_variables == 1
assert d.variables == {0}
def test_quso_addition():
temp = PCSO({('0', '0'): 1, ('0', 1): 2})
temp1 = {('0', ): -1, (1, '0'): 3}
temp2 = {
(1, '0'): 5,
(): 1,
('0', ): -1
}, {
('0', 1): 5,
(): 1,
('0', ): -1
}
temp3 = {
(): 1,
(1, '0'): -1,
('0', ): 1
}, {
(): 1,
('0', 1): -1,
('0', ): 1
}
# constant
d = temp.copy()
d += 5
assert d in ({(1, '0'): 2, (): 6}, {('0', 1): 2, (): 6})
# __add__
d = temp.copy()
g = d + temp1
assert g in temp2
# __iadd__
d = temp.copy()
d += temp1
assert d in temp2
# __radd__
d = temp.copy()
g = temp1 + d
assert g in temp2
# __sub__
d = temp.copy()
g = d - temp1
assert g in temp3
# __isub__
d = temp.copy()
d -= temp1
assert d in temp3
# __rsub__
d = temp.copy()
g = temp1 - d
assert g == PCSO(temp3[0]) * -1
def test_quso_multiplication():
temp = PCSO({('0', '0'): 1, ('0', 1): 2})
temp1 = {(): 3, (1, '0'): 6}, {(): 3, ('0', 1): 6}
temp2 = {(): .5, (1, '0'): 1}, {(): .5, ('0', 1): 1}
temp3 = {(1, '0'): 1}, {('0', 1): 1}
# constant
d = temp.copy()
d += 3
d *= -2
assert d in ({(1, '0'): -4, (): -8}, {('0', 1): -4, (): -8})
# __mul__
d = temp.copy()
g = d * 3
assert g in temp1
d = temp.copy()
g = d * 0
assert g == {}
# __imul__
d = temp.copy()
d *= 3
assert d in temp1
d = temp.copy()
d *= 0
assert d == {}
# __rmul__
d = temp.copy()
g = 3 * d
assert g in temp1
d = temp.copy()
g = 0 * d
assert g == {}
# __truediv__
d = temp.copy()
g = d / 2
assert g in temp2
# __itruediv__
d = temp.copy()
d /= 2
assert d in temp2
# __floordiv__
d = temp.copy()
g = d // 2
assert g in temp3
# __ifloordiv__
d = temp.copy()
d //= 2
assert d in temp3
# __mul__ but with dict
d = temp.copy()
d *= {(1, ): 2, ('0', '0'): -1}
assert d in ({
(1, ): 2,
(): -1,
('0', ): 4,
('0', 1): -2
}, {
(1, ): 2,
(): -1,
('0', ): 4,
(1, '0'): -2
})
# __pow__
d = temp.copy()
d -= 2
d **= 2
assert d in ({(): 5, ('0', 1): -4}, {(): 5, (1, '0'): -4})
d = temp.copy()
assert d**2 == d * d
assert d**3 == d * d * d
d = PCSO({('0', 1): 1, ('1', 2): -1})**2
assert d**4 == d * d * d * d