Files
esphome/tests
J. Nick Koston 8ad1ed98b7 Skip backend-provided dependencies in the graph walk, validate manifests before extra scripts
The dict-shorthand bundled preference ran after convert_libraries had
already resolved the dependency through the registry, so a real
{"Wire": "*"} manifest still fetched or failed on a registry Wire (the
mocked test hid it). LibraryBackend gains an optional provides hook the
walk consults for owner-less dependencies; the arduino backend answers
from the framework tree and the bundled copy is added after emit. A
real-converter test with a local library pins that the registry is
never touched. _emit also validates the manifest shape by name before
apply_extra_script dereferences it.
2026-08-21 20:38:23 -05:00
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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