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Drop the StorageJSON `compiled_config` field and the `esphome/lite_config.py` module from the first iteration. The earlier shape stored the entire validated config inside the JSON sidecar, but configs can grow past a megabyte once packages and substitutions expand, and JSON can't round-trip the YAML-specific types (lambdas, ID instances, includes) the validation pipeline produces. Instead: dump the validated config to its own YAML file alongside the sidecar (`<file>.validated.yaml`), using `yaml_util.dump` so all esphome-specific tags survive the round trip. The fast path loads it back with `yaml_util.load_yaml(clear_secrets=False)` -- no schema validation, no final-validate, no external-component refresh. Staleness is gated by mtime: if the source YAML mtime is newer than the cache, the dispatcher falls back to a full `read_config()` with a warning. The cache is refreshed on every successful compile via `writer.update_storage_json`, so the dashboard's compile -> upload -> logs flow always sees a fresh cache. Drift surface shrinks to "what does yaml_util.dump emit" rather than "which top-level keys does upload/logs read" -- when those subcommands gain a new dependency, the cache already carries it.
Tests for ESPHome
This directory contains some tests for ESPHome.
At the moment, all the tests only work by simply executing
esphome over some YAML files that are made to test
whether the yaml gets converted to the proper C++ code.
Of course this is all just very high-level and things like unit tests would be much better. So if you have time and know how to set up a unit testing framework for python, please do give it a try.
When adding entries in test_.yaml files we usually need only
one file updated, unless conflicting code is generated for
different configurations, e.g. wifi and ethernet cannot
be tested on the same device.
Current test_.yaml file contents.
| Test name | Platform | Network | BLE |
|---|---|---|---|
| test1.yaml | ESP32 | wifi | None |
| test2.yaml | ESP32 | ethernet | esp32_ble_tracker |
| test3.yaml | ESP8266 | wifi | N/A |
| test4.yaml | ESP32 | ethernet | None |
| test5.yaml | ESP32 | wifi | ble_server |
| test6.yaml | RP2040 | wifi | N/A |
| test7.yaml | ESP32-C3 | wifi | N/A |
| test8.yaml | ESP32-S3 | wifi | None |
| test10.yaml | ESP32 | wifi | None |