def test_not_null_passes():
foo = field(not_null=False)('foo')
assert foo({'foo': None}) is None
def test_default():
foo = field(default='foo')('foo')
assert foo({'foo': None}) == 'foo'
def test_key():
foo = field()('foo')
assert foo.key is False
foo = field(key=True)('foo')
assert foo.key is True
def test_not_null_raises():
foo = field(not_null=True)('foo')
with pytest.raises(ValueError):
foo({'foo': None})
def test_default_resolver_raises():
foo = field()('foo')
with pytest.raises(KeyError):
foo({'bar': '1.2'})
def test_default_resolver_context():
def resolver(state, name, special=None):
assert special == 'bar'
foo = field(resolver)('foo')
foo({'foo': None}, special='bar')
def test_name():
def resolver(state, name):
assert name == 'foo'
foo = field(resolver)
foo('foo')({})
def test_cast():
foo = field(cast=float)('foo')
assert isinstance(foo({'foo': '1.2'}), float)
def bench_field_get_value():
foo = fields.field()('foo')
Timer(foo, {'foo': 'bar'}).time(1E5)
def bench_field_full_init():
Timer(lambda: fields.field()('foo')).time(1E5)
def bench_field_init():
Timer(fields.field(), 'foo').time(1E5)