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51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
import math
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import pytest
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from aioesphomeapi import util
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VARUINT_TESTCASES = [
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(0, b"\x00"),
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(42, b"\x2a"),
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(127, b"\x7f"),
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(128, b"\x80\x01"),
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(300, b"\xac\x02"),
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(65536, b"\x80\x80\x04"),
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]
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@pytest.mark.parametrize("val, encoded", VARUINT_TESTCASES)
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def test_varuint_to_bytes(val, encoded):
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assert util.varuint_to_bytes(val) == encoded
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@pytest.mark.parametrize("val, encoded", VARUINT_TESTCASES)
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def test_bytes_to_varuint(val, encoded):
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assert util.bytes_to_varuint(encoded) == val
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@pytest.mark.parametrize(
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"input, output",
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[
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(0, 0),
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(float("inf"), float("inf")),
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(float("-inf"), float("-inf")),
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(0.1, 0.1),
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(-0.0, -0.0),
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(0.10000000149011612, 0.1),
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(1, 1),
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(-1, -1),
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(-0.10000000149011612, -0.1),
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(-152198557936981706463557226105667584, -152198600000000000000000000000000000),
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(-0.0030539485160261, -0.003053949),
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(0.5, 0.5),
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(0.0000000000000019, 0.0000000000000019),
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],
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)
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def test_fix_float_single_double_conversion(input, output):
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assert util.fix_float_single_double_conversion(input) == output
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def test_fix_float_single_double_conversion_nan():
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assert math.isnan(util.fix_float_single_double_conversion(float("nan")))
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