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[api] Fix string lifetime issue in Home Assistant service calls with templated values (#9909)
This commit is contained in:
J. Nick Koston
GitHub
311
tests/integration/fixtures/api_homeassistant.yaml
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311
tests/integration/fixtures/api_homeassistant.yaml
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esphome:
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name: test-ha-api
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friendly_name: Home Assistant API Test
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host:
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api:
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services:
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- service: trigger_all_tests
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then:
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- logger.log: "=== Starting Home Assistant API Tests ==="
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- button.press: test_basic_service
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- button.press: test_templated_service
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- button.press: test_empty_string_service
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- button.press: test_multiple_fields_service
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- button.press: test_complex_lambda_service
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- button.press: test_all_empty_service
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- button.press: test_rapid_service_calls
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- button.press: test_read_ha_states
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- number.set:
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id: ha_number
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value: 42.5
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- switch.turn_on: ha_switch
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- switch.turn_off: ha_switch
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- logger.log: "=== All tests completed ==="
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logger:
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level: DEBUG
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# Time component for templated values
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time:
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- platform: homeassistant
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id: homeassistant_time
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# Global variables for testing
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globals:
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- id: test_brightness
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type: int
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initial_value: '75'
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- id: test_string
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type: std::string
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initial_value: '"test_value"'
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# Sensors for testing state reading
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sensor:
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- platform: template
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name: "Test Sensor"
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id: test_sensor
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lambda: return 42.0;
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update_interval: 0.1s
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# Home Assistant sensor that reads external state
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- platform: homeassistant
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name: "HA Temperature"
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entity_id: sensor.external_temperature
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id: ha_temperature
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on_value:
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then:
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- logger.log:
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format: "HA Temperature state updated: %.1f"
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args: ['x']
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# Test multiple HA state sensors
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- platform: homeassistant
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name: "HA Humidity"
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entity_id: sensor.external_humidity
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id: ha_humidity
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on_value:
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then:
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- logger.log:
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format: "HA Humidity state updated: %.1f"
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args: ['x']
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# Binary sensor from Home Assistant
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binary_sensor:
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- platform: homeassistant
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name: "HA Motion"
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entity_id: binary_sensor.external_motion
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id: ha_motion
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on_state:
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then:
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- logger.log:
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format: "HA Motion state changed: %s"
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args: ['x ? "ON" : "OFF"']
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# Text sensor from Home Assistant
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text_sensor:
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- platform: homeassistant
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name: "HA Weather"
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entity_id: weather.home
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attribute: condition
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id: ha_weather
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on_value:
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then:
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- logger.log:
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format: "HA Weather condition updated: %s"
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args: ['x.c_str()']
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# Test empty state handling
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- platform: homeassistant
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name: "HA Empty State"
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entity_id: sensor.nonexistent_sensor
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id: ha_empty_state
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on_value:
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then:
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- logger.log:
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format: "HA Empty state updated: %s"
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args: ['x.c_str()']
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# Number component for testing HA number control
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number:
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- platform: template
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name: "HA Controlled Number"
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id: ha_number
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min_value: 0
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max_value: 100
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step: 1
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optimistic: true
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set_action:
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- logger.log:
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format: "Setting HA number to: %.1f"
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args: ['x']
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- homeassistant.action:
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action: input_number.set_value
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data:
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entity_id: input_number.test_number
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value: !lambda 'return to_string(x);'
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# Switch component for testing HA switch control
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switch:
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- platform: template
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name: "HA Controlled Switch"
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id: ha_switch
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optimistic: true
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turn_on_action:
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- logger.log: "Toggling HA switch: switch.test_switch ON"
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- homeassistant.action:
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action: switch.turn_on
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data:
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entity_id: switch.test_switch
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turn_off_action:
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- logger.log: "Toggling HA switch: switch.test_switch OFF"
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- homeassistant.action:
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action: switch.turn_off
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data:
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entity_id: switch.test_switch
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# Buttons for testing various service call scenarios
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button:
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# Test 1: Basic service call with static values
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- platform: template
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name: "Test Basic Service"
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id: test_basic_service
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on_press:
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- logger.log: "Sending HomeAssistant service call: light.turn_off"
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- homeassistant.action:
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action: light.turn_off
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data:
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entity_id: light.test_light
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- logger.log: "Service data: entity_id=light.test_light"
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# Test 2: Service call with templated/lambda values (main bug fix test)
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- platform: template
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name: "Test Templated Service"
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id: test_templated_service
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on_press:
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- logger.log: "Testing templated service call"
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- lambda: |-
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int brightness_percent = id(test_brightness);
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std::string computed = to_string(brightness_percent * 255 / 100);
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ESP_LOGI("test", "Lambda computed value: %s", computed.c_str());
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- homeassistant.action:
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action: light.turn_on
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data:
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entity_id: light.test_light
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# This creates a temporary string - the main test case
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brightness: !lambda 'return to_string(id(test_brightness) * 255 / 100);'
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data_template:
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color_name: !lambda 'return id(test_string);'
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variables:
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transition: !lambda 'return "2.5";'
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# Test 3: Service call with empty string values
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- platform: template
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name: "Test Empty String Service"
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id: test_empty_string_service
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on_press:
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- logger.log: "Testing empty string values"
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- homeassistant.action:
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action: notify.test
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data:
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message: "Test message"
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title: ""
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data_template:
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target: !lambda 'return "";'
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variables:
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sound: !lambda 'return "";'
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- logger.log: "Empty value for key: title"
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- logger.log: "Empty value for key: target"
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- logger.log: "Empty value for key: sound"
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# Test 4: Service call with multiple data fields
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- platform: template
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name: "Test Multiple Fields Service"
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id: test_multiple_fields_service
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on_press:
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- logger.log: "Testing multiple data fields"
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- homeassistant.action:
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action: climate.set_temperature
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data:
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entity_id: climate.test_climate
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temperature: "22"
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hvac_mode: "heat"
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data_template:
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target_temp_high: !lambda 'return "24";'
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target_temp_low: !lambda 'return "20";'
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variables:
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preset_mode: !lambda 'return "comfort";'
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# Test 5: Complex lambda with string operations
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- platform: template
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name: "Test Complex Lambda Service"
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id: test_complex_lambda_service
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on_press:
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- logger.log: "Testing complex lambda expressions"
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- homeassistant.action:
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action: script.test_script
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data:
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entity_id: !lambda |-
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std::string base = "light.";
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std::string room = "living_room";
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return base + room;
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brightness_pct: !lambda |-
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float sensor_val = id(test_sensor).state;
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int pct = (int)(sensor_val * 2.38); // 42 * 2.38 ≈ 100
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return to_string(pct);
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data_template:
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message: !lambda |-
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char buffer[50];
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snprintf(buffer, sizeof(buffer), "Sensor: %.1f, Time: %02d:%02d",
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id(test_sensor).state,
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id(homeassistant_time).now().hour,
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id(homeassistant_time).now().minute);
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return std::string(buffer);
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# Test 6: Service with only empty strings to verify size calculation
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- platform: template
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name: "Test All Empty Service"
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id: test_all_empty_service
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on_press:
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- logger.log: "Testing all empty string values"
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- homeassistant.action:
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action: test.empty
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data:
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field1: ""
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field2: ""
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data_template:
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field3: !lambda 'return "";'
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variables:
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field4: !lambda 'return "";'
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- logger.log: "All empty service call completed"
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# Test 7: Rapid successive service calls
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- platform: template
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name: "Test Rapid Service Calls"
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id: test_rapid_service_calls
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on_press:
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- logger.log: "Testing rapid service calls"
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- repeat:
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count: 5
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then:
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- homeassistant.action:
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action: counter.increment
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data:
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entity_id: counter.test_counter
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- delay: 10ms
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- logger.log: "Rapid service calls completed"
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# Test 8: Log current HA states
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- platform: template
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name: "Test Read HA States"
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id: test_read_ha_states
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on_press:
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- logger.log: "Reading current HA states"
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- lambda: |-
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if (id(ha_temperature).has_state()) {
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ESP_LOGI("test", "Current HA Temperature: %.1f", id(ha_temperature).state);
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} else {
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ESP_LOGI("test", "HA Temperature has no state");
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}
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if (id(ha_humidity).has_state()) {
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ESP_LOGI("test", "Current HA Humidity: %.1f", id(ha_humidity).state);
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} else {
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ESP_LOGI("test", "HA Humidity has no state");
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}
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ESP_LOGI("test", "Current HA Motion: %s", id(ha_motion).state ? "ON" : "OFF");
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if (id(ha_weather).has_state()) {
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ESP_LOGI("test", "Current HA Weather: %s", id(ha_weather).state.c_str());
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} else {
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ESP_LOGI("test", "HA Weather has no state");
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}
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if (id(ha_empty_state).has_state()) {
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ESP_LOGI("test", "HA Empty State value: %s", id(ha_empty_state).state.c_str());
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} else {
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ESP_LOGI("test", "HA Empty State has no value (expected)");
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}
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