def test_is_valuation():
"""Test is_valuation function."""
color = Attribute("color", ['R', 'G', 'B'])
size = Attribute("size", ['S', 'M', 'L'])
a = AttributeStructure(color, size)
o = ['s1', 's2']
asys = AttributeSystem(a, o)
ascr = {
('color', 's1'): ['R'],
('color', 's2'): ['B', 'G'],
('size', 's1'): ['M'],
('size', 's2'): ['L', 'S']}
s = State(asys, ascr)
assert not s.is_valuation('color')
assert not s.is_valuation('size')
s.set_ascription(('color', 's2'), ['B'])
assert s.is_valuation('color')
s.set_ascription(('size', 's2'), ['L'])
assert s.is_valuation('size')
def test_is_valuation():
"""Test is_valuation function."""
color = Attribute("color", ['R', 'G', 'B'])
size = Attribute("size", ['S', 'M', 'L'])
a = AttributeStructure(color, size)
o = ['s1', 's2']
asys = AttributeSystem(a, o)
ascr = {
('color', 's1'): ['R'],
('color', 's2'): ['B', 'G'],
('size', 's1'): ['M'],
('size', 's2'): ['L', 'S']
}
s = State(asys, ascr)
assert not s.is_valuation('color')
assert not s.is_valuation('size')
s.set_ascription(('color', 's2'), ['B'])
assert s.is_valuation('color')
s.set_ascription(('size', 's2'), ['L'])
assert s.is_valuation('size')
