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UnicodeDecodeError is a ValueError, not an OSError, so a build_info.json with invalid UTF-8 bytes still crashed the compile; widening the tuple to (ValueError, OSError) also keeps JSONDecodeError covered. The staleness tests now use a two-run steady-state shape so the assertion can only pass when the comparison itself fires: run once to reach steady state, then damage the file (or bump the hash/version) and assert the second run regenerates it. The version test pins version.h so the bump is visible only to the JSON comparison; the non-UTF-8 test stubs the writes because regenerating over the damaged file needs write_file_if_changed's own recovery, which lands separately.
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 |