test: add tests that run against a fake device - #241
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August 15, 2026 14:31
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This adds tests for
StreamMagicClient. They run against a fake device, so they never connect to a real streamer and never change settings on one.Sorry for the size, most of it is JSON test data.
How it works
tests/fake_device.pyis a small aiohttp server that answers the same websocket messages a real streamer does.tests/conftest.pystarts it on localhost and connects a normalStreamMagicClientto it. The client uses its real connection code, only the device is fake.Test data
The fake device answers with JSON captured from two real streamers, stored in
tests/fixtures/<model>/. I replaced serial numbers, UDNs and track names with placeholders.cxn100/- API 1.9851n/- API 1.8The 851N files are a real capture, not a cut-down copy of the CXN100 one. It runs the older API and has no audio endpoints, which is what the tests for older devices rely on (
test_older_api_device_connects,test_audio_features_rejected_when_unsupported).What is covered
90 tests, split into connection, zone control, playback and audio.
CI
.github/workflows/tests.ymlruns pytest on Python 3.11 to 3.14.Happy to change anything here, especially the test data if you would rather have less of it.