def test_nonSequence(self):
"""
A non-sequence is parsed as ``None``.
"""
self.assertThat(
many(identity)(None),
Equals([]))
self.assertThat(
many(identity)(42),
Equals([]))
self.assertThat(
many(identity)(b'hello'),
Equals([]))
def test_sequence(self):
"""
A callable is mapped over each element of a sequence.
"""
self.assertThat(
many(identity)([]),
Equals([]))
self.assertThat(
many(identity)([1, 2]),
Equals([1, 2]))
self.assertThat(
many(identity)((1, 2)),
Equals([1, 2]))
self.assertThat(
many(Integer)([b'1', b'2']),
Equals([1, 2]))
def test_parse(self):
"""
Parse a query string.
"""
query = {
b'foo': [b'1', b'2'],
b'bar': [],
b'baz': [b'yes', b'1', b'False', b'huh'],
b'quux': [b'hello', b'world']}
self.assertThat(
parse({b'foo': one(Integer),
b'bar': many(Integer),
b'baz': many(Boolean),
b'quux': many(Text),
b'notathing': many(Integer),
b'alsonotathing': one(Text)}, query),
Equals({b'foo': 1,
b'bar': [],
b'baz': [True, True, False, None],
b'quux': [u'hello', u'world'],
b'notathing': [],
b'alsonotathing': None}))
