def test_constrain(self):
# Try to constrain on a value equal to self
a = SingleValuedVariant('foo', 'bar')
b = SingleValuedVariant('foo', 'bar')
changed = a.constrain(b)
assert not changed
t = SingleValuedVariant('foo', 'bar')
assert a == t
# Try to constrain on a value with a different value
a = SingleValuedVariant('foo', 'bar')
b = SingleValuedVariant('foo', 'baz')
with pytest.raises(UnsatisfiableVariantSpecError):
b.constrain(a)
# Try to constrain on a value with a different value
a = SingleValuedVariant('foo', 'bar')
b = SingleValuedVariant('fee', 'bar')
with pytest.raises(ValueError):
b.constrain(a)
# Try to constrain on the same value
a = SingleValuedVariant('foo', 'bar')
b = a.copy()
changed = a.constrain(b)
assert not changed
t = SingleValuedVariant('foo', 'bar')
assert a == t
# Implicit type conversion for variants of other types
a = SingleValuedVariant('foo', 'True')
mv = MultiValuedVariant('foo', 'True')
bv = BoolValuedVariant('foo', 'True')
for v in (mv, bv):
assert not a.constrain(v)
def test_constrain(self):
# Try to constrain on a value equal to self
a = SingleValuedVariant('foo', 'bar')
b = SingleValuedVariant('foo', 'bar')
changed = a.constrain(b)
assert not changed
t = SingleValuedVariant('foo', 'bar')
assert a == t
# Try to constrain on a value with a different value
a = SingleValuedVariant('foo', 'bar')
b = SingleValuedVariant('foo', 'baz')
with pytest.raises(UnsatisfiableVariantSpecError):
b.constrain(a)
# Try to constrain on a value with a different value
a = SingleValuedVariant('foo', 'bar')
b = SingleValuedVariant('fee', 'bar')
with pytest.raises(ValueError):
b.constrain(a)
# Try to constrain on the same value
a = SingleValuedVariant('foo', 'bar')
b = a.copy()
changed = a.constrain(b)
assert not changed
t = SingleValuedVariant('foo', 'bar')
assert a == t
# Implicit type conversion for variants of other types
a = SingleValuedVariant('foo', 'True')
mv = MultiValuedVariant('foo', 'True')
bv = BoolValuedVariant('foo', 'True')
for v in (mv, bv):
assert not a.constrain(v)
def test_initialization(self):
# Basic properties
a = SingleValuedVariant('foo', 'bar')
assert repr(a) == "SingleValuedVariant('foo', 'bar')"
assert str(a) == 'foo=bar'
assert a.value == 'bar'
assert 'bar' in a
assert eval(repr(a)) == a
# Raise if multiple values are passed
with pytest.raises(ValueError):
SingleValuedVariant('foo', 'bar, baz')
# Check the copy
b = a.copy()
assert repr(a) == repr(b)
assert str(a) == str(b)
assert b.value == 'bar'
assert 'bar' in b
assert a == b
assert a is not b
assert hash(a) == hash(b)
assert eval(repr(b)) == a
def test_initialization(self):
# Basic properties
a = SingleValuedVariant('foo', 'bar')
assert repr(a) == "SingleValuedVariant('foo', 'bar')"
assert str(a) == 'foo=bar'
assert a.value == 'bar'
assert 'bar' in a
assert eval(repr(a)) == a
# Raise if multiple values are passed
with pytest.raises(ValueError):
SingleValuedVariant('foo', 'bar, baz')
# Check the copy
b = a.copy()
assert repr(a) == repr(b)
assert str(a) == str(b)
assert b.value == 'bar'
assert 'bar' in b
assert a == b
assert a is not b
assert hash(a) == hash(b)
assert eval(repr(b)) == a