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src/docs/fuchsia/gpu_testing.md
Shahbaz Youssefi 45c205e717 Add note to Fuchsia GPU testing doc
The note is that `fx serve` is required to be running for the test
scripts to actually work.

Bug: 1088005
Change-Id: I5a7ed416e676ae3a4dbe4329d712bf81041196b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2781546
Reviewed-by: Sharon Yang <yangsharon@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#865971}
2021-03-24 03:32:00 +00:00

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Running GPU integration tests on Fuchsia.

General instruction on running and debugging GPU integration tests can be found here.

Fuchsia uses web_engine_shell to run GPU integration tests. For the sake of this example, we will be using gpu_process as the test suite we wish to execute. Build the target fuchsia_telemetry_gpu_integration_test and run the appropriate commands:

Hermetic emulation

The test script brings up an emulator, runs the tests on it, and shuts the emulator down when finished.

$ content/test/gpu/run_gpu_integration_test_fuchsia.py gpu_process
--browser=web-engine-shell --out-dir=/path/to/outdir

Run on an physical device

$ content/test/gpu/run_gpu_integration_test_fuchsia.py gpu_process
--browser=web-engine-shell --out-dir=/path/to/outdir -d

Run on a device paved with Fuchsia built from source

$ content/test/gpu/run_gpu_integration_test_fuchsia.py gpu_process
--browser=web-engine-shell --out-dir=/path/to/outdir -d
--fuchsia-out-dir=/path/to/fuchsia/outdir

Note that fx serve must be running for communication with the device to succeed.

Run on a device the host is connected to remotely via ssh

Note the --ssh-config flag, which should point to the config file used to set up the connection between the host and the remote device.

$ content/test/gpu/run_gpu_integration_test_fuchsia.py gpu_process
--browser=web-engine-shell --out-dir=/path/to/outdir -d --host=localhost
--ssh-config=/path/to/ssh/config