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44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019 New Vector Ltd
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# Copyright 2020 The Matrix.org Foundation C.I.C
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Utilities for running the unit tests
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"""
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from typing import Any, Awaitable, TypeVar
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TV = TypeVar("TV")
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def get_awaitable_result(awaitable: Awaitable[TV]) -> TV:
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"""Get the result from an Awaitable which should have completed
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Asserts that the given awaitable has a result ready, and returns its value
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"""
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i = awaitable.__await__()
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try:
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next(i)
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except StopIteration as e:
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# awaitable returned a result
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return e.value
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# if next didn't raise, the awaitable hasn't completed.
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raise Exception("awaitable has not yet completed")
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async def make_awaitable(result: Any):
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"""Create an awaitable that just returns a result."""
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return result
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