mirror of
https://github.com/home-assistant/core
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25 lines
795 B
Python
25 lines
795 B
Python
"""Test collection utils."""
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from homeassistant.util.collection import chunked_or_all
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def test_chunked_or_all() -> None:
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"""Test chunked_or_all can iterate chunk sizes larger than the passed in collection."""
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all_items = []
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incoming = (1, 2, 3, 4)
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for chunk in chunked_or_all(incoming, 2):
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assert len(chunk) == 2
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all_items.extend(chunk)
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assert all_items == [1, 2, 3, 4]
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all_items = []
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incoming = (1, 2, 3, 4)
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for chunk in chunked_or_all(incoming, 5):
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assert len(chunk) == 4
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# Verify the chunk is the same object as the incoming
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# collection since we want to avoid copying the collection
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# if we don't need to
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assert chunk is incoming
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all_items.extend(chunk)
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assert all_items == [1, 2, 3, 4]
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