def test_map_multiple_elements_inline():
ret = parse('{true: false, false: true}')
expected = ast.Doc(
head=(),
val=ast.Map(
head=(ast.MapStart('{'), ),
items=(
ast.MapItem(
head=(),
key=ast.Bool(val=True, src='true'),
inner=(ast.Colon(':'), ast.Space(' ')),
val=ast.Bool(val=False, src='false'),
tail=(ast.Comma(','), ast.Space(' ')),
),
ast.MapItem(
head=(),
key=ast.Bool(val=False, src='false'),
inner=(ast.Colon(':'), ast.Space(' ')),
val=ast.Bool(val=True, src='true'),
tail=(),
),
),
tail=(ast.MapEnd('}'), ),
),
tail=(),
)
assert ret == expected
def test_bare_word_key_starts_with_other_token():
tokens = tokenize('{true_values: []}')
assert tokens == (
ast.MapStart('{'),
ast.BareWordKey('true_values', 'true_values'),
ast.Colon(':'),
ast.Space(' '),
ast.ListStart('['),
ast.ListEnd(']'),
ast.MapEnd('}'),
ast.EOF(''),
)
def test_map_multiline_trivial():
ret = parse('{\n}')
expected = ast.Doc(
head=(),
val=ast.Map(
head=(ast.MapStart('{'), ast.NL('\n')),
items=(),
tail=(ast.MapEnd('}'), ),
),
tail=(),
)
assert ret == expected
assert ret.val.is_multiline
assert not ret.val.is_top_level_style
def test_map_bare_word_key():
ret = parse("{_Key-str1ng: 'value'}")
expected = ast.Doc(
head=(),
val=ast.Map(
head=(ast.MapStart('{'), ),
items=(ast.MapItem(
head=(),
key=ast.BareWordKey('_Key-str1ng', '_Key-str1ng'),
inner=(ast.Colon(':'), ast.Space(' ')),
val=ast.String(val='value', src="'value'"),
tail=(),
), ),
tail=(ast.MapEnd('}'), ),
),
tail=(),
)
assert ret == expected
def test_comment_at_start_of_multiline_json():
ret = parse('{ # bar\n' ' true: false,\n' '}')
expected = ast.Doc(
head=(),
val=ast.Map(
head=(
ast.MapStart('{'),
ast.Space(' '),
ast.Space(' '),
ast.Comment('# bar\n'),
),
items=(ast.MapItem(
head=(ast.Indent(' '), ),
key=ast.Bool(val=True, src='true'),
inner=(ast.Colon(':'), ast.Space(' ')),
val=ast.Bool(val=False, src='false'),
tail=(ast.Comma(','), ast.NL('\n')),
), ),
tail=(ast.MapEnd('}'), ),
),
tail=(),
)
assert ret == expected
ret.extend(_to_tokens(k, settings, key=True))
ret.extend((ast.Colon(':'), ast.Space(' ')))
ret.extend(_to_tokens(v, settings))
return ret
ContainerSettings = collections.namedtuple(
'ContainerSettings',
('start', 'end', 'item_func', 'to_iter'),
)
_map_tokens = functools.partial(
_container,
container_settings=ContainerSettings(
start=ast.MapStart('{'),
end=ast.MapEnd('}'),
item_func=_map_item_tokens,
to_iter=lambda m: tuple(m.items()),
),
)
_list_tokens = functools.partial(
_container,
container_settings=ContainerSettings(
start=ast.ListStart('['),
end=ast.ListEnd(']'),
item_func=_to_tokens,
to_iter=tuple,
),
)