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48 lines
2.0 KiB
Python
48 lines
2.0 KiB
Python
"""Schema-level config validation for custom_pdu and the deprecated custom_command alias.
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custom_command took a raw frame with a leading device address byte; custom_pdu takes the PDU only.
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The old key is still accepted at the schema level and auto-migrated later in final validate (which a
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bare-schema test can't reach), so these tests only cover what the schema itself enforces: the two keys
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are mutually exclusive, and custom_pdu takes byte-sized values.
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"""
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import pytest
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from voluptuous import Invalid, MultipleInvalid
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from esphome.components.modbus_controller import ModbusItemBaseSchema
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from esphome.components.modbus_controller.const import (
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CONF_CUSTOM_COMMAND,
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CONF_CUSTOM_PDU,
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)
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def test_custom_command_accepted_at_schema_level() -> None:
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"""custom_command validates at the schema level; migration/rejection happens in final validate."""
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config = ModbusItemBaseSchema(
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{CONF_CUSTOM_COMMAND: [0x01, 0x03, 0x00, 0x2A, 0x00, 0x01]}
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)
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assert config[CONF_CUSTOM_COMMAND] == [0x01, 0x03, 0x00, 0x2A, 0x00, 0x01]
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def test_custom_pdu_and_custom_command_mutually_exclusive() -> None:
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"""Only one custom source may be given; supplying both is a schema error."""
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with pytest.raises((Invalid, MultipleInvalid)):
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ModbusItemBaseSchema(
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{
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CONF_CUSTOM_PDU: [0x03, 0x00, 0x2A, 0x00, 0x01],
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CONF_CUSTOM_COMMAND: [0x01, 0x03, 0x00, 0x2A, 0x00, 0x01],
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}
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)
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def test_custom_pdu_accepted() -> None:
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"""The new key takes PDU bytes (function code + data, no address byte)."""
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config = ModbusItemBaseSchema({CONF_CUSTOM_PDU: [0x03, 0x00, 0x2A, 0x00, 0x01]})
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assert config[CONF_CUSTOM_PDU] == [0x03, 0x00, 0x2A, 0x00, 0x01]
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def test_custom_pdu_rejects_non_byte_values() -> None:
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"""PDU entries are bytes; a word-sized value is a sign the old raw format is being used."""
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with pytest.raises((Invalid, MultipleInvalid)):
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ModbusItemBaseSchema({CONF_CUSTOM_PDU: [0x0103, 0x002A]})
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