657 lines
19 KiB
Python
657 lines
19 KiB
Python
"""The tests for the Modbus init.
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This file is responsible for testing:
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- pymodbus API
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- Functionality of class ModbusHub
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- Coverage 100%:
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__init__.py
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const.py
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modbus.py
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validators.py
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baseplatform.py (only BasePlatform)
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It uses binary_sensors/sensors to do black box testing of the read calls.
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"""
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from datetime import timedelta
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import logging
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from unittest import mock
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from pymodbus.exceptions import ModbusException
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from pymodbus.pdu import ExceptionResponse, IllegalFunctionRequest
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import pytest
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import voluptuous as vol
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from homeassistant.components.binary_sensor import DOMAIN as BINARY_SENSOR_DOMAIN
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from homeassistant.components.modbus.const import (
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ATTR_ADDRESS,
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ATTR_HUB,
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ATTR_STATE,
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ATTR_UNIT,
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ATTR_VALUE,
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CALL_TYPE_COIL,
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CALL_TYPE_DISCRETE,
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CALL_TYPE_REGISTER_HOLDING,
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CALL_TYPE_REGISTER_INPUT,
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CALL_TYPE_WRITE_COIL,
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CALL_TYPE_WRITE_COILS,
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CALL_TYPE_WRITE_REGISTER,
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CALL_TYPE_WRITE_REGISTERS,
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CONF_BAUDRATE,
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CONF_BYTESIZE,
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CONF_DATA_TYPE,
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CONF_INPUT_TYPE,
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CONF_PARITY,
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CONF_STOPBITS,
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CONF_SWAP,
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CONF_SWAP_BYTE,
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CONF_SWAP_WORD,
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DATA_TYPE_CUSTOM,
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DATA_TYPE_INT,
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DATA_TYPE_STRING,
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DEFAULT_SCAN_INTERVAL,
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MODBUS_DOMAIN as DOMAIN,
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SERVICE_WRITE_COIL,
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SERVICE_WRITE_REGISTER,
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)
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from homeassistant.components.modbus.validators import (
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number_validator,
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sensor_schema_validator,
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)
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from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
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from homeassistant.const import (
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CONF_ADDRESS,
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CONF_BINARY_SENSORS,
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CONF_COUNT,
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CONF_DELAY,
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CONF_HOST,
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CONF_METHOD,
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CONF_NAME,
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CONF_PORT,
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CONF_SCAN_INTERVAL,
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CONF_SENSORS,
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CONF_STRUCTURE,
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CONF_TIMEOUT,
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CONF_TYPE,
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STATE_ON,
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STATE_UNAVAILABLE,
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)
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from homeassistant.setup import async_setup_component
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import homeassistant.util.dt as dt_util
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from .conftest import ReadResult
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from tests.common import async_fire_time_changed
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TEST_SENSOR_NAME = "testSensor"
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TEST_ENTITY_ID = f"{SENSOR_DOMAIN}.{TEST_SENSOR_NAME}"
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TEST_HOST = "modbusTestHost"
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TEST_MODBUS_NAME = "modbusTest"
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@pytest.fixture
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async def mock_modbus_with_pymodbus(hass, caplog, do_config, mock_pymodbus):
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"""Load integration modbus using mocked pymodbus."""
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caplog.clear()
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caplog.set_level(logging.ERROR)
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config = {DOMAIN: do_config}
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assert await async_setup_component(hass, DOMAIN, config) is True
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await hass.async_block_till_done()
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assert DOMAIN in hass.config.components
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assert caplog.text == ""
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yield mock_pymodbus
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async def test_number_validator():
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"""Test number validator."""
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for value, value_type in [
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(15, int),
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(15.1, float),
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("15", int),
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("15.1", float),
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(-15, int),
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(-15.1, float),
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("-15", int),
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("-15.1", float),
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]:
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assert isinstance(number_validator(value), value_type)
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try:
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number_validator("x15.1")
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except (vol.Invalid):
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return
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pytest.fail("Number_validator not throwing exception")
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@pytest.mark.parametrize(
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"do_config",
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[
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_COUNT: 2,
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CONF_DATA_TYPE: DATA_TYPE_STRING,
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},
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_COUNT: 2,
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CONF_DATA_TYPE: DATA_TYPE_INT,
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},
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_COUNT: 2,
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CONF_DATA_TYPE: DATA_TYPE_INT,
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CONF_SWAP: CONF_SWAP_BYTE,
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},
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],
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)
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async def test_ok_sensor_schema_validator(do_config):
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"""Test struct validator."""
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try:
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sensor_schema_validator(do_config)
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except vol.Invalid:
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pytest.fail("Sensor_schema_validator unexpected exception")
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@pytest.mark.parametrize(
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"do_config",
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[
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_COUNT: 8,
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CONF_DATA_TYPE: DATA_TYPE_INT,
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},
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_COUNT: 8,
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CONF_DATA_TYPE: DATA_TYPE_CUSTOM,
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},
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_COUNT: 8,
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CONF_DATA_TYPE: DATA_TYPE_CUSTOM,
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CONF_STRUCTURE: "no good",
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},
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_COUNT: 20,
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CONF_DATA_TYPE: DATA_TYPE_CUSTOM,
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CONF_STRUCTURE: ">f",
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},
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_COUNT: 1,
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CONF_DATA_TYPE: DATA_TYPE_INT,
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CONF_SWAP: CONF_SWAP_WORD,
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},
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],
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)
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async def test_exception_sensor_schema_validator(do_config):
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"""Test struct validator."""
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try:
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sensor_schema_validator(do_config)
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except vol.Invalid:
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return
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pytest.fail("Sensor_schema_validator missing exception")
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@pytest.mark.parametrize(
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"do_config",
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[
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{
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CONF_TYPE: "tcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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},
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{
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CONF_TYPE: "tcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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CONF_NAME: TEST_MODBUS_NAME,
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CONF_TIMEOUT: 30,
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CONF_DELAY: 10,
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},
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{
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CONF_TYPE: "udp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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},
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{
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CONF_TYPE: "udp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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CONF_NAME: TEST_MODBUS_NAME,
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CONF_TIMEOUT: 30,
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CONF_DELAY: 10,
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},
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{
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CONF_TYPE: "rtuovertcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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},
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{
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CONF_TYPE: "rtuovertcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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CONF_NAME: TEST_MODBUS_NAME,
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CONF_TIMEOUT: 30,
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CONF_DELAY: 10,
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},
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{
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CONF_TYPE: "serial",
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CONF_BAUDRATE: 9600,
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CONF_BYTESIZE: 8,
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CONF_METHOD: "rtu",
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CONF_PORT: "usb01",
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CONF_PARITY: "E",
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CONF_STOPBITS: 1,
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},
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{
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CONF_TYPE: "serial",
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CONF_BAUDRATE: 9600,
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CONF_BYTESIZE: 8,
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CONF_METHOD: "rtu",
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CONF_PORT: "usb01",
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CONF_PARITY: "E",
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CONF_STOPBITS: 1,
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CONF_NAME: TEST_MODBUS_NAME,
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CONF_TIMEOUT: 30,
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CONF_DELAY: 10,
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},
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{
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CONF_TYPE: "tcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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CONF_DELAY: 5,
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},
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[
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{
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CONF_TYPE: "tcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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CONF_NAME: TEST_MODBUS_NAME,
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},
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{
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CONF_TYPE: "tcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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CONF_NAME: TEST_MODBUS_NAME + "2",
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},
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{
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CONF_TYPE: "serial",
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CONF_BAUDRATE: 9600,
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CONF_BYTESIZE: 8,
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CONF_METHOD: "rtu",
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CONF_PORT: "usb01",
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CONF_PARITY: "E",
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CONF_STOPBITS: 1,
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CONF_NAME: TEST_MODBUS_NAME + "3",
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},
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],
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{
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# Special test for scan_interval validator with scan_interval: 0
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CONF_TYPE: "tcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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CONF_SENSORS: [
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{
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_ADDRESS: 117,
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CONF_SCAN_INTERVAL: 0,
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}
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],
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},
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],
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)
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async def test_config_modbus(hass, caplog, mock_modbus_with_pymodbus):
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"""Run configuration test for modbus."""
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VALUE = "value"
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FUNC = "func"
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DATA = "data"
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SERVICE = "service"
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@pytest.mark.parametrize(
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"do_config",
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[
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{
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CONF_NAME: TEST_MODBUS_NAME,
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CONF_TYPE: "serial",
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CONF_BAUDRATE: 9600,
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CONF_BYTESIZE: 8,
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CONF_METHOD: "rtu",
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CONF_PORT: "usb01",
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CONF_PARITY: "E",
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CONF_STOPBITS: 1,
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},
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],
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)
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@pytest.mark.parametrize(
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"do_write",
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[
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{
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DATA: ATTR_VALUE,
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VALUE: 15,
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SERVICE: SERVICE_WRITE_REGISTER,
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FUNC: CALL_TYPE_WRITE_REGISTER,
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},
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{
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DATA: ATTR_VALUE,
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VALUE: [1, 2, 3],
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SERVICE: SERVICE_WRITE_REGISTER,
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FUNC: CALL_TYPE_WRITE_REGISTERS,
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},
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{
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DATA: ATTR_STATE,
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VALUE: False,
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SERVICE: SERVICE_WRITE_COIL,
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FUNC: CALL_TYPE_WRITE_COIL,
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},
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{
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DATA: ATTR_STATE,
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VALUE: [True, False, True],
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SERVICE: SERVICE_WRITE_COIL,
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FUNC: CALL_TYPE_WRITE_COILS,
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},
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],
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)
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@pytest.mark.parametrize(
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"do_return",
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[
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{VALUE: ReadResult([0x0001]), DATA: ""},
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{VALUE: ExceptionResponse(0x06), DATA: "Pymodbus:"},
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{VALUE: IllegalFunctionRequest(0x06), DATA: "Pymodbus:"},
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{VALUE: ModbusException("fail write_"), DATA: "Pymodbus:"},
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],
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)
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async def test_pb_service_write(
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hass, do_write, do_return, caplog, mock_modbus_with_pymodbus
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):
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"""Run test for service write_register."""
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func_name = {
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CALL_TYPE_WRITE_COIL: mock_modbus_with_pymodbus.write_coil,
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CALL_TYPE_WRITE_COILS: mock_modbus_with_pymodbus.write_coils,
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CALL_TYPE_WRITE_REGISTER: mock_modbus_with_pymodbus.write_register,
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CALL_TYPE_WRITE_REGISTERS: mock_modbus_with_pymodbus.write_registers,
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}
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data = {
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ATTR_HUB: TEST_MODBUS_NAME,
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ATTR_UNIT: 17,
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ATTR_ADDRESS: 16,
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do_write[DATA]: do_write[VALUE],
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}
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mock_modbus_with_pymodbus.reset_mock()
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caplog.clear()
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caplog.set_level(logging.DEBUG)
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func_name[do_write[FUNC]].return_value = do_return[VALUE]
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await hass.services.async_call(DOMAIN, do_write[SERVICE], data, blocking=True)
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assert func_name[do_write[FUNC]].called
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assert func_name[do_write[FUNC]].call_args[0] == (
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data[ATTR_ADDRESS],
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data[do_write[DATA]],
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)
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if do_return[DATA]:
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assert caplog.messages[-1].startswith("Pymodbus:")
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@pytest.fixture
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async def mock_modbus_read_pymodbus(
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hass,
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do_group,
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do_type,
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do_scan_interval,
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do_return,
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do_exception,
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caplog,
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mock_pymodbus,
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):
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"""Load integration modbus using mocked pymodbus."""
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caplog.clear()
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caplog.set_level(logging.ERROR)
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mock_pymodbus.read_coils.side_effect = do_exception
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mock_pymodbus.read_discrete_inputs.side_effect = do_exception
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mock_pymodbus.read_input_registers.side_effect = do_exception
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mock_pymodbus.read_holding_registers.side_effect = do_exception
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mock_pymodbus.read_coils.return_value = do_return
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mock_pymodbus.read_discrete_inputs.return_value = do_return
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mock_pymodbus.read_input_registers.return_value = do_return
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mock_pymodbus.read_holding_registers.return_value = do_return
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config = {
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DOMAIN: [
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{
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CONF_TYPE: "tcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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CONF_NAME: TEST_MODBUS_NAME,
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do_group: [
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{
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CONF_INPUT_TYPE: do_type,
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CONF_NAME: TEST_SENSOR_NAME,
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CONF_ADDRESS: 51,
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CONF_SCAN_INTERVAL: do_scan_interval,
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}
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],
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}
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],
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}
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now = dt_util.utcnow()
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with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
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assert await async_setup_component(hass, DOMAIN, config) is True
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await hass.async_block_till_done()
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assert DOMAIN in hass.config.components
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assert caplog.text == ""
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now = now + timedelta(seconds=DEFAULT_SCAN_INTERVAL + 60)
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with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
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async_fire_time_changed(hass, now)
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await hass.async_block_till_done()
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yield mock_pymodbus
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@pytest.mark.parametrize(
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"do_domain, do_group,do_type,do_scan_interval",
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[
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[SENSOR_DOMAIN, CONF_SENSORS, CALL_TYPE_REGISTER_HOLDING, 10],
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[SENSOR_DOMAIN, CONF_SENSORS, CALL_TYPE_REGISTER_INPUT, 10],
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[BINARY_SENSOR_DOMAIN, CONF_BINARY_SENSORS, CALL_TYPE_DISCRETE, 10],
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[BINARY_SENSOR_DOMAIN, CONF_BINARY_SENSORS, CALL_TYPE_COIL, 1],
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],
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)
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@pytest.mark.parametrize(
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"do_return,do_exception,do_expect_state,do_expect_value",
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[
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[ReadResult([1]), None, STATE_ON, "1"],
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[IllegalFunctionRequest(0x99), None, STATE_UNAVAILABLE, STATE_UNAVAILABLE],
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[ExceptionResponse(0x99), None, STATE_UNAVAILABLE, STATE_UNAVAILABLE],
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[
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ReadResult([1]),
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ModbusException("fail read_"),
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STATE_UNAVAILABLE,
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STATE_UNAVAILABLE,
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],
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],
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)
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async def test_pb_read(
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hass, do_domain, do_expect_state, do_expect_value, caplog, mock_modbus_read_pymodbus
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):
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"""Run test for different read."""
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# Check state
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entity_id = f"{do_domain}.{TEST_SENSOR_NAME}"
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state = hass.states.get(entity_id).state
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assert hass.states.get(entity_id).state
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# this if is needed to avoid explode the
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if do_domain == SENSOR_DOMAIN:
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do_expect = do_expect_value
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else:
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do_expect = do_expect_state
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assert state == do_expect
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async def test_pymodbus_constructor_fail(hass, caplog):
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"""Run test for failing pymodbus constructor."""
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config = {
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DOMAIN: [
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{
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CONF_TYPE: "tcp",
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CONF_HOST: TEST_HOST,
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CONF_PORT: 5501,
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}
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]
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}
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with mock.patch(
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"homeassistant.components.modbus.modbus.ModbusTcpClient"
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) as mock_pb:
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caplog.set_level(logging.ERROR)
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mock_pb.side_effect = ModbusException("test no class")
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assert await async_setup_component(hass, DOMAIN, config) is False
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await hass.async_block_till_done()
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assert caplog.messages[0].startswith("Pymodbus: Modbus Error: test")
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assert caplog.records[0].levelname == "ERROR"
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assert mock_pb.called
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@pytest.mark.parametrize(
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"do_connect,do_exception,do_text",
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[
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[False, None, "initial connect failed, no retry"],
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[True, ModbusException("no connect"), "Modbus Error: no connect"],
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],
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)
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async def test_pymodbus_connect_fail(
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hass, do_connect, do_exception, do_text, caplog, mock_pymodbus
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):
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|
"""Run test for failing pymodbus connect."""
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|
config = {
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DOMAIN: [
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{
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CONF_TYPE: "tcp",
|
|
CONF_HOST: TEST_HOST,
|
|
CONF_PORT: 5501,
|
|
}
|
|
]
|
|
}
|
|
caplog.set_level(logging.ERROR)
|
|
mock_pymodbus.connect.return_value = do_connect
|
|
mock_pymodbus.connect.side_effect = do_exception
|
|
assert await async_setup_component(hass, DOMAIN, config) is False
|
|
await hass.async_block_till_done()
|
|
assert caplog.messages[0].startswith(f"Pymodbus: {do_text}")
|
|
assert caplog.records[0].levelname == "ERROR"
|
|
|
|
|
|
async def test_pymodbus_close_fail(hass, caplog, mock_pymodbus):
|
|
"""Run test for failing pymodbus close."""
|
|
config = {
|
|
DOMAIN: [
|
|
{
|
|
CONF_TYPE: "tcp",
|
|
CONF_HOST: TEST_HOST,
|
|
CONF_PORT: 5501,
|
|
}
|
|
]
|
|
}
|
|
caplog.set_level(logging.ERROR)
|
|
mock_pymodbus.connect.return_value = True
|
|
mock_pymodbus.close.side_effect = ModbusException("close fail")
|
|
assert await async_setup_component(hass, DOMAIN, config) is True
|
|
await hass.async_block_till_done()
|
|
# Close() is called as part of teardown
|
|
|
|
|
|
async def test_disconnect(hass, mock_pymodbus):
|
|
"""Run test for startup delay."""
|
|
|
|
# the purpose of this test is to test a device disconnect
|
|
# We "hijiack" a binary_sensor to make a proper blackbox test.
|
|
entity_id = f"{BINARY_SENSOR_DOMAIN}.{TEST_SENSOR_NAME}"
|
|
config = {
|
|
DOMAIN: [
|
|
{
|
|
CONF_TYPE: "tcp",
|
|
CONF_HOST: TEST_HOST,
|
|
CONF_PORT: 5501,
|
|
CONF_NAME: TEST_MODBUS_NAME,
|
|
CONF_BINARY_SENSORS: [
|
|
{
|
|
CONF_INPUT_TYPE: CALL_TYPE_COIL,
|
|
CONF_NAME: f"{TEST_SENSOR_NAME}",
|
|
CONF_ADDRESS: 52,
|
|
},
|
|
],
|
|
}
|
|
]
|
|
}
|
|
mock_pymodbus.read_coils.return_value = ReadResult([0x01])
|
|
mock_pymodbus.is_socket_open.return_value = False
|
|
now = dt_util.utcnow()
|
|
with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
|
|
assert await async_setup_component(hass, DOMAIN, config) is True
|
|
await hass.async_block_till_done()
|
|
|
|
# pass first scan_interval
|
|
now = now + timedelta(seconds=20)
|
|
with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
|
|
async_fire_time_changed(hass, now)
|
|
await hass.async_block_till_done()
|
|
assert hass.states.get(entity_id).state == STATE_UNAVAILABLE
|
|
|
|
|
|
async def test_delay(hass, mock_pymodbus):
|
|
"""Run test for startup delay."""
|
|
|
|
# the purpose of this test is to test startup delay
|
|
# We "hijiack" a binary_sensor to make a proper blackbox test.
|
|
test_delay = 15
|
|
test_scan_interval = 5
|
|
entity_id = f"{BINARY_SENSOR_DOMAIN}.{TEST_SENSOR_NAME}"
|
|
config = {
|
|
DOMAIN: [
|
|
{
|
|
CONF_TYPE: "tcp",
|
|
CONF_HOST: TEST_HOST,
|
|
CONF_PORT: 5501,
|
|
CONF_NAME: TEST_MODBUS_NAME,
|
|
CONF_DELAY: test_delay,
|
|
CONF_BINARY_SENSORS: [
|
|
{
|
|
CONF_INPUT_TYPE: CALL_TYPE_COIL,
|
|
CONF_NAME: f"{TEST_SENSOR_NAME}",
|
|
CONF_ADDRESS: 52,
|
|
CONF_SCAN_INTERVAL: test_scan_interval,
|
|
},
|
|
],
|
|
}
|
|
]
|
|
}
|
|
mock_pymodbus.read_coils.return_value = ReadResult([0x01])
|
|
now = dt_util.utcnow()
|
|
with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
|
|
assert await async_setup_component(hass, DOMAIN, config) is True
|
|
await hass.async_block_till_done()
|
|
|
|
# pass first scan_interval
|
|
start_time = now
|
|
now = now + timedelta(seconds=(test_scan_interval + 1))
|
|
with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
|
|
async_fire_time_changed(hass, now)
|
|
await hass.async_block_till_done()
|
|
assert hass.states.get(entity_id).state == STATE_UNAVAILABLE
|
|
|
|
stop_time = start_time + timedelta(seconds=(test_delay + 1))
|
|
step_timedelta = timedelta(seconds=1)
|
|
while now < stop_time:
|
|
now = now + step_timedelta
|
|
with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
|
|
async_fire_time_changed(hass, now)
|
|
await hass.async_block_till_done()
|
|
assert hass.states.get(entity_id).state == STATE_UNAVAILABLE
|
|
now = now + step_timedelta + timedelta(seconds=2)
|
|
with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
|
|
async_fire_time_changed(hass, now)
|
|
await hass.async_block_till_done()
|
|
assert hass.states.get(entity_id).state == STATE_ON
|