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localthings/tests/test_entities.py
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Python

from custom_components.localthings.registry.entities import (
SensorDesc, BinarySensorDesc, SelectDesc, SwitchDesc, ButtonDesc,
NumberDesc, TimeDesc, ClimateDesc, FanDesc, PLATFORM_OF,
)
def test_value_fn_defaults_to_identity():
d = SensorDesc(key='power', field='x.com.samsung.da.instantaneousPower')
assert d.value_fn(42) == 42
def test_descriptions_are_frozen():
d = SensorDesc(key='power', field='f')
try:
d.key = 'other'
except Exception as e:
assert 'frozen' in str(type(e)).lower() or 'cannot' in str(e).lower()
else:
raise AssertionError("expected frozen dataclass")
def test_platform_mapping_covers_all_subclasses():
assert PLATFORM_OF[SensorDesc] == 'sensor'
assert PLATFORM_OF[BinarySensorDesc] == 'binary_sensor'
assert PLATFORM_OF[SelectDesc] == 'select'
assert PLATFORM_OF[SwitchDesc] == 'switch'
assert PLATFORM_OF[ButtonDesc] == 'button'
assert PLATFORM_OF[NumberDesc] == 'number'
assert PLATFORM_OF[TimeDesc] == 'time'
assert PLATFORM_OF[ClimateDesc] == 'climate'
assert PLATFORM_OF[FanDesc] == 'fan'
def test_select_carries_options_and_write_fn():
d = SelectDesc(key='sound', field='mode', options=('voice', 'tone', 'mute'),
write_fn=lambda p, rep: (['settings', 'sound', 'mode', 'vs', '0'], {'mode': p}))
assert d.write_fn('tone', {}) == (['settings', 'sound', 'mode', 'vs', '0'], {'mode': 'tone'})