def test_initialization(self):
# Basic properties - True value
for v in (True, 'True', 'TRUE', 'TrUe'):
a = BoolValuedVariant('foo', v)
assert repr(a) == "BoolValuedVariant('foo', {0})".format(repr(v))
assert str(a) == '+foo'
assert a.value is True
assert True in a
assert eval(repr(a)) == a
# Copy - True value
b = a.copy()
assert repr(a) == repr(b)
assert str(a) == str(b)
assert b.value is True
assert True in b
assert a == b
assert a is not b
assert hash(a) == hash(b)
assert eval(repr(b)) == a
# Basic properties - False value
for v in (False, 'False', 'FALSE', 'FaLsE'):
a = BoolValuedVariant('foo', v)
assert repr(a) == "BoolValuedVariant('foo', {0})".format(repr(v))
assert str(a) == '~foo'
assert a.value is False
assert False in a
assert eval(repr(a)) == a
# Copy - True value
b = a.copy()
assert repr(a) == repr(b)
assert str(a) == str(b)
assert b.value is False
assert False in b
assert a == b
assert a is not b
assert eval(repr(b)) == a
# Invalid values
for v in ('bar', 'bar,baz'):
with pytest.raises(ValueError):
BoolValuedVariant('foo', v)
def test_initialization(self):
# Basic properties - True value
for v in (True, 'True', 'TRUE', 'TrUe'):
a = BoolValuedVariant('foo', v)
assert repr(a) == "BoolValuedVariant('foo', {0})".format(repr(v))
assert str(a) == '+foo'
assert a.value is True
assert True in a
assert eval(repr(a)) == a
# Copy - True value
b = a.copy()
assert repr(a) == repr(b)
assert str(a) == str(b)
assert b.value is True
assert True in b
assert a == b
assert a is not b
assert hash(a) == hash(b)
assert eval(repr(b)) == a
# Basic properties - False value
for v in (False, 'False', 'FALSE', 'FaLsE'):
a = BoolValuedVariant('foo', v)
assert repr(a) == "BoolValuedVariant('foo', {0})".format(repr(v))
assert str(a) == '~foo'
assert a.value is False
assert False in a
assert eval(repr(a)) == a
# Copy - True value
b = a.copy()
assert repr(a) == repr(b)
assert str(a) == str(b)
assert b.value is False
assert False in b
assert a == b
assert a is not b
assert eval(repr(b)) == a
# Invalid values
for v in ('bar', 'bar,baz'):
with pytest.raises(ValueError):
BoolValuedVariant('foo', v)
def test_constrain(self):
# Try to constrain on a value equal to self
a = BoolValuedVariant('foo', 'True')
b = BoolValuedVariant('foo', True)
changed = a.constrain(b)
assert not changed
t = BoolValuedVariant('foo', True)
assert a == t
# Try to constrain on a value with a different value
a = BoolValuedVariant('foo', True)
b = BoolValuedVariant('foo', False)
with pytest.raises(UnsatisfiableVariantSpecError):
b.constrain(a)
# Try to constrain on a value with a different value
a = BoolValuedVariant('foo', True)
b = BoolValuedVariant('fee', True)
with pytest.raises(ValueError):
b.constrain(a)
# Try to constrain on the same value
a = BoolValuedVariant('foo', True)
b = a.copy()
changed = a.constrain(b)
assert not changed
t = BoolValuedVariant('foo', True)
assert a == t
# Try to constrain on other values
a = BoolValuedVariant('foo', 'True')
sv = SingleValuedVariant('foo', 'True')
mv = MultiValuedVariant('foo', 'True')
for v in (sv, mv):
assert not a.constrain(v)
def test_constrain(self):
# Try to constrain on a value equal to self
a = BoolValuedVariant('foo', 'True')
b = BoolValuedVariant('foo', True)
changed = a.constrain(b)
assert not changed
t = BoolValuedVariant('foo', True)
assert a == t
# Try to constrain on a value with a different value
a = BoolValuedVariant('foo', True)
b = BoolValuedVariant('foo', False)
with pytest.raises(UnsatisfiableVariantSpecError):
b.constrain(a)
# Try to constrain on a value with a different value
a = BoolValuedVariant('foo', True)
b = BoolValuedVariant('fee', True)
with pytest.raises(ValueError):
b.constrain(a)
# Try to constrain on the same value
a = BoolValuedVariant('foo', True)
b = a.copy()
changed = a.constrain(b)
assert not changed
t = BoolValuedVariant('foo', True)
assert a == t
# Try to constrain on other values
a = BoolValuedVariant('foo', 'True')
sv = SingleValuedVariant('foo', 'True')
mv = MultiValuedVariant('foo', 'True')
for v in (sv, mv):
assert not a.constrain(v)