Daniel Martí 669e4cc96a cmd/gogio: speed up the wine e2e test
First, use wineboot instead of winecfg to set up the WINEPREFIX. It's
the right tool for it.

Second, when initialising WINEPREFIX, use output pipes instead of
CombinedOutput. The latter will wait for *all* output to be copied to a
buffer, including the output from grandchildren processes. Since wine
starts wineserver automatically, and wineserver lingers for three
seconds by default, this is bad. We would waste three seconds waiting
for wineserver doing nothing, and then the next wine call (to start the
app) would need to start wineserver all over.

Instead, with pipes we can get cmd.Run to only wait for the parent
process to finish. wineserver stays running but we don't care. And, when
we start the gio app, we very likely reuse the same wineserver process.

Third, disable wine-gecko and wine-mono. This ensures we don't get stuck
if they're not installed, and speeds up wineboot by avoiding work we
don't need.

The time to set up WINEPREFIX goes down form ~6s to ~1s, and the overall
subtest run-time goes down from ~10s to ~3s.

Finally, copiously document all of the precious data I've gathered above
after hours of debugging.

Signed-off-by: Daniel Martí <mvdan@mvdan.cc>
2020-05-10 21:51:30 +02:00
2020-05-10 21:51:30 +02:00
2020-03-12 13:21:34 +01:00
2019-03-31 10:47:22 +02:00

Gio

Immediate mode GUI programs in Go for Android, iOS, macOS, Linux, FreeBSD, OpenBSD, Windows, and WebAssembly (experimental). See the project page gioui.org for documentation and more information.

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