42 lines
1.0 KiB
Python
42 lines
1.0 KiB
Python
'''
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Regression tests for the cold package import surface.
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'''
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from typing import (
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Any,
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get_type_hints,
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)
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from tractor.discovery import (
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_addr,
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_multiaddr,
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)
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from tractor.ipc import (
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_tcp,
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_uds,
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)
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def test_lazy_annotation_names_resolve():
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'''
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Resolve annotations without importing optional dependencies.
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Moving annotation-only third-party names under `TYPE_CHECKING`
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left their runtime globals undefined, causing
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`typing.get_type_hints()` to raise `NameError`. Resolve every
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affected API and prove the lazy aliases retain import-free runtime
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introspection.
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'''
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assert get_type_hints(_multiaddr.mk_maddr)['return'] is Any
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assert get_type_hints(_tcp.MsgpackTCPStream.maddr.fget)[
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'return'
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] is Any
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assert get_type_hints(_uds.MsgpackUDSStream.maddr.fget)[
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'return'
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] == Any|str
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assert get_type_hints(_addr.Address.get_random)[
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'current_actor'
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] is Any
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assert _addr.__annotations__['_address_types'].startswith('dict')
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