def test_istype(x):
"""
Given a value and its correct type, calling istype() with the type returns
a function that returns the value it is called with.
"""
v, t = x
validator = mod.istype(t)
assert validator(v) == v
def test_istype(x):
"""
Given a value and its correct type, calling istype() with the type returns
a function that returns the value it is called with.
"""
v, t = x
validator = mod.istype(t)
assert validator(v) == v
def test_istype_wrong_type(x):
"""
Given a value and type that doesn't match the value, calling istype() with
the type returns a function that raises ValueError when called with the
value.
"""
v, t = x
validator = mod.istype(t)
with pytest.raises(ValueError):
validator(v)
def test_istype_wrong_type(x):
"""
Given a value and type that doesn't match the value, calling istype() with
the type returns a function that raises ValueError when called with the
value.
"""
v, t = x
validator = mod.istype(t)
with pytest.raises(ValueError):
validator(v)
@pytest.mark.parametrize('x', [
fail(('2015-04-29', '%Y-%m-%d')),
fail(('2015-04-29 17:00:01', '%Y-%m-%d %H:%M:%S')),
('2015-29-04', '%Y-%m-%d'),
('2015-04-29', '%H:%M:%S'),
])
def test_timestamp_reverse(x):
s, fmt = x
validator = mod.timestamp(fmt)
with pytest.raises(ValueError):
validator(s)
@pytest.mark.parametrize('x', [
([1, 2], mod.istype(int)),
(["a", "bb"], mod.istype(str)),
])
def test_listof_valid(x):
(value, item_validator) = x
validator = mod.listof(item_validator)
assert validator(value) == value
@pytest.mark.parametrize('x', [(None, None), ({}, None), (1, None),
("test", None), ([1, 2], mod.istype(str))])
def test_listof_invalid(x):
(value, item_validator) = x
validator = mod.listof(item_validator)
with pytest.raises(ValueError):
validator(value)
