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[case testMypyImmu]
# cmd: mypy test.py
[file test.py]
from immutables import Map
from typing import Dict, Union, Any, cast
def init() -> None:
def thing(m: Map[str, Union[str, int]]) -> None:
...
thing(Map(foo=1))
thing(Map(foo='bar', baz=1))
thing(Map([('foo', 'bar'), ('bar', 1)]))
thing(Map(Map(foo=1), bar='foo'))
m = Map({1: 2})
thing(m) # E: Argument 1 to "thing" has incompatible type "Map[int, int]"; expected "Map[str, Union[str, int]]"
def assignments() -> None:
m_int__str = Map[int, str]()
m_str__str = Map[str, str]()
m_int_str__str = Map[Union[int, str], str]()
m_str__int_str = Map[str, Union[int, str]]()
m_int__str = m_str__str # E: Incompatible types in assignment (expression has type "Map[str, str]", variable has type "Map[int, str]")
m_int__str = m_int_str__str # E: Incompatible types in assignment (expression has type "Map[Union[int, str], str]", variable has type "Map[int, str]")
m_int__str = m_str__int_str # E: Incompatible types in assignment (expression has type "Map[str, Union[int, str]]", variable has type "Map[int, str]")
m_str__str = m_int__str # E: Incompatible types in assignment (expression has type "Map[int, str]", variable has type "Map[str, str]")
m_str__str = m_int_str__str # E: Incompatible types in assignment (expression has type "Map[Union[int, str], str]", variable has type "Map[str, str]")
m_str__str = m_str__int_str # E: Incompatible types in assignment (expression has type "Map[str, Union[int, str]]", variable has type "Map[str, str]")
m_int_str__str = m_int__str # E: Incompatible types in assignment (expression has type "Map[int, str]", variable has type "Map[Union[int, str], str]")
m_int_str__str = m_str__str # E: Incompatible types in assignment (expression has type "Map[str, str]", variable has type "Map[Union[int, str], str]")
m_int_str__str = m_str__int_str # E: Incompatible types in assignment (expression has type "Map[str, Union[int, str]]", variable has type "Map[Union[int, str], str]")
m_str__int_str = m_int__str # E: Incompatible types in assignment (expression has type "Map[int, str]", variable has type "Map[str, Union[int, str]]")
m_str__int_str = m_int_str__str # E: Incompatible types in assignment (expression has type "Map[Union[int, str], str]", variable has type "Map[str, Union[int, str]]")
m_str__int_str = m_str__str
def update() -> None:
m_int__str: Map[int, str] = Map()
m_str__str: Map[str, str] = Map()
m_int_str__str: Map[Union[int, str], str] = Map()
m_str__int_str: Map[str, Union[int, str]] = Map()
m_int__str.update({1: '2'})
m_int__str.update({1: '2'}, three='4') # E: Unexpected keyword argument "three" for "update" of "Map"
m_int__str.update({1: 2}) # E: Argument 1 to "update" of "Map" has incompatible type "Dict[int, int]"; expected "Union[IterableItems[int, str], Iterable[Tuple[int, str]]]"
m_str__str.update({'1': '2'})
m_str__str.update({'1': '2'}, three='4')
m_str__str.update({'1': 2}) # E: Argument 1 to "update" of "Map" has incompatible type "Dict[str, int]"; expected "Union[IterableItems[str, str], Iterable[Tuple[str, str]]]"
m_int_str__str.update(cast(Dict[Union[int, str], str], {1: '2', '3': '4'}))
m_int_str__str.update({1: '2'}, three='4')
m_int_str__str.update({'1': 2}) # E: Argument 1 to "update" of "Map" has incompatible type "Dict[str, int]"; expected "Union[IterableItems[Union[int, str], str], Iterable[Tuple[Union[int, str], str]]]"
m_str__int_str.update({'1': 2, '2': 3})
m_str__int_str.update({'1': 2, '2': 3}, four='5')
m_str__int_str.update({1: 2}) # E: Argument 1 to "update" of "Map" has incompatible type "Dict[int, int]"; expected "Union[IterableItems[str, Union[int, str]], Iterable[Tuple[str, Union[int, str]]]]"
def mutate() -> None:
m = Map[str, str]()
with m.mutate() as mm:
mm[0] = '1' # E: Invalid index type "int" for "MapMutation[str, str]"; expected type "str"
mm['1'] = 0 # E: Incompatible types in assignment (expression has type "int", target has type "str")
mm['1'] = '2'
del mm['1']
mm.set('3', '4')
m2 = mm.finish()
reveal_type(m2) # N: Revealed type is "immutables._map.Map[builtins.str*, builtins.str*]"
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