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Fix running async functions without event loop during testing #36859
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Changed Files |
github-actions
bot
added
tests
matter-1.4-te2-script-change
Script changes before end of Matter 1.4 TE2
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Dec 16, 2024
PR #36859: Size comparison from d162e3a to c308ab0 Full report (69 builds for bl602, bl702, bl702l, cc13x4_26x4, cc32xx, cyw30739, efr32, esp32, linux, nrfconnect, nxp, psoc6, qpg, stm32, telink, tizen)
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andy31415
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Dec 16, 2024
PR #36859: Size comparison from d162e3a to 59f57f9 Full report (69 builds for bl602, bl702, bl702l, cc13x4_26x4, cc32xx, cyw30739, efr32, esp32, linux, nrfconnect, nxp, psoc6, qpg, stm32, telink, tizen)
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Problem
Python testing uses
mobly
which is not async-oriented. To "fix" that the "asyncio.run" decorator is used for async functions. However, this provides async event loop only for the time of the test function execution, not for the entire mobly runtime lifetime. This fireback on us when the CHIP stack returns some future object after wrapped async test function returns:Changes
Run mobly in the
asyncio.run
which provides event loop during whole mobly runtime. However, this requires to run another async event loop from the non-async mobly function... To fix that, the previous "asyncio.run" decorator was modified, so that it runs the event loop in a new thread and blocks the top-level event loop until the "nested" event loop terminates - the wrapped function returns.Testing
Tested locally that there are no exceptions like before. CI will verify for potential breaks.