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Matter Sensor/Thermostat: Handle invalid unit conversions #3116

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chore/handle-invalid-unit-conversions
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Matter Sensor/Thermostat: Handle invalid unit conversions #3116
hcarter-775 wants to merge 6 commits into
mainfrom
chore/handle-invalid-unit-conversions

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@hcarter-775

@hcarter-775 hcarter-775 commented Jul 13, 2026

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Description of Change

Handle invalid unit conversions by checking for valid molecular weights and valid input values. For Matter Sensor, update handling to include a greater number of conversions and more invalid data handling, akin to what is in Matter Thermostat.

Earlier today, a massive number of coroutine errors were generated related to improper number to string arithmetic operations. This adds greater checks to ensure that does not happen. Also, Matter Sensor was fairly behind and so was updated more generally to match the logic of Matter Thermostat.

@hcarter-775
hcarter-775 force-pushed the chore/handle-invalid-unit-conversions branch from b45f3a5 to 0530456 Compare July 13, 2026 18:03
@hcarter-775
hcarter-775 requested a review from varzac July 13, 2026 18:03
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matter-sensor_coverage.xml

File Coverage
All files 88%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/Global/types/LevelValueEnum.lua 69%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/Global/types/MeasurementAccuracyRangeStruct.lua 93%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/Global/types/MeasurementAccuracyStruct.lua 94%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sensor_utils/embedded_cluster_utils.lua 71%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sensor_utils/device_configuration.lua 90%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sensor_utils/utils.lua 95%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_utils/legacy_device_configuration.lua 97%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_utils/device_configuration.lua 86%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_utils/utils.lua 77%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_utils/fields.lua 88%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/lazy_load_subdriver.lua 57%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/init.lua 93%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_handlers/attribute_handlers.lua 81%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/bosch_button_contact/init.lua 83%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sensor_handlers/attribute_handlers.lua 88%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/SoilMeasurement/server/attributes/SoilMoistureMeasurementLimits.lua 85%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/SoilMeasurement/server/attributes/SoilMoistureMeasuredValue.lua 86%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/init.lua 87%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/SoilMeasurement/init.lua 93%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/smoke_co_alarm/init.lua 82%

matter-thermostat_coverage.xml

File Coverage
All files 87%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/Global/types/LevelValueEnum.lua 69%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/Global/types/MeasurementAccuracyRangeStruct.lua 93%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/Global/types/MeasurementAccuracyStruct.lua 94%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sensor_utils/embedded_cluster_utils.lua 71%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sensor_utils/device_configuration.lua 90%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sensor_utils/utils.lua 95%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_utils/legacy_device_configuration.lua 97%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_utils/device_configuration.lua 86%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_utils/utils.lua 77%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_utils/fields.lua 88%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/lazy_load_subdriver.lua 57%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/init.lua 93%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/air_quality_sensor_handlers/attribute_handlers.lua 81%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/bosch_button_contact/init.lua 83%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sensor_handlers/attribute_handlers.lua 88%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/SoilMeasurement/server/attributes/SoilMoistureMeasurementLimits.lua 85%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/SoilMeasurement/server/attributes/SoilMoistureMeasuredValue.lua 86%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/air_quality_sensor/init.lua 87%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/embedded_clusters/SoilMeasurement/init.lua 93%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-sensor/src/sub_drivers/smoke_co_alarm/init.lua 82%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-thermostat/src/thermostat_handlers/attribute_handlers.lua 81%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-thermostat/src/thermostat_handlers/capability_handlers.lua 86%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-thermostat/src/thermostat_utils/utils.lua 95%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-thermostat/src/thermostat_utils/fields.lua 91%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-thermostat/src/thermostat_utils/legacy_device_configuration.lua 84%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-thermostat/src/thermostat_utils/embedded_cluster_utils.lua 48%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-thermostat/src/thermostat_utils/device_configuration.lua 89%
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-thermostat/src/init.lua 95%

Minimum allowed coverage is 90%

Generated by 🐒 cobertura-action against 42f6792

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Test Results

   73 files  ± 0    540 suites  +2   0s ⏱️ ±0s
3 198 tests + 6  3 198 ✅ + 6  0 💤 ±0  0 ❌ ±0 
5 205 runs  +12  5 205 ✅ +12  0 💤 ±0  0 ❌ ±0 

Results for commit 42f6792. ± Comparison against base commit 4a06ba8.

♻️ This comment has been updated with latest results.

@hcarter-775
hcarter-775 force-pushed the chore/handle-invalid-unit-conversions branch from 1ee42b7 to bb91db4 Compare July 16, 2026 16:47

if not reporting_unit then
reporting_unit = fields.unit_default[capability_name]
device:set_field(capability_name.."_unit", reporting_unit, {persist = true})

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Why is this removed but there is still code that reads the field?

@hcarter-775 hcarter-775 Jul 16, 2026

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we set the field elsewhere, in the measurement unit read handler. There is no need to set a field to a default. If the unit is unavailable in the field, we just use the default.

@tpmanley

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Can some tests be added to test the invalid inputs/conversions?

@hcarter-775

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Can some tests be added to test the invalid inputs/conversions?

Added a few!

@hcarter-775
hcarter-775 requested a review from cjswedes July 16, 2026 21:42
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