def test_abc_with_decimal_argument_fails():
"""Test that string with letters in fails when we supply 'decimal'."""
test = CastToDecimal()(
'abc',
'integer_containing_decimals',
)
assert not is_successful(test)
assert isinstance(test.failure(), ValueError)
assert 'Illegal characters in value' in str(test.failure())
def test_abc_fails():
"""Test that string with letters in fails."""
test = CastToDecimal()('abc')
assert not is_successful(test)
assert isinstance(test.failure(), ValueError)
assert 'Illegal characters in value' in str(test.failure())