75 lines
2.3 KiB
Markdown
75 lines
2.3 KiB
Markdown
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# ART chroot-based testing on a Linux VM
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This doc describes how to set up a Linux VM and how to run ART tests on it.
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## Set up the VM
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Use script art/build/buildbot-vm.sh. It has various commands (actions) described
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below. First, set up some environment variables used by the script (change as
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you see fit):
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```
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export ART_TEST_SSH_USER=ubuntu
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export ART_TEST_SSH_HOST=localhost
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export ART_TEST_SSH_PORT=10001
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```
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Create the VM (download it and do some initial setup):
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```
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art/tools/buildbot-vm.sh create
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```
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Boot the VM (login is `$ART_TEST_SSH_USER`, password is `ubuntu`):
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```
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art/tools/buildbot-vm.sh boot
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```
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Configure SSH (enter `yes` to add VM to `known_hosts` and then the password):
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```
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art/tools/buildbot-vm.sh setup-ssh
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```
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Now you have the shell (no need to enter password every time):
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```
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art/tools/buildbot-vm.sh connect
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```
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To power off the VM, do:
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```
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art/tools/buildbot-vm.sh quit
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```
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To speed up SSH access, set `UseDNS no` in /etc/ssh/sshd_config on the VM (and
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apply other tweaks described in https://jrs-s.net/2017/07/01/slow-ssh-logins).
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# Run ART tests
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```
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This is done in the same way as you would run tests in chroot on device (except
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for a few extra environment variables):
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export ANDROID_SERIAL=nonexistent
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export ART_TEST_SSH_USER=ubuntu
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export ART_TEST_SSH_HOST=localhost
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export ART_TEST_SSH_PORT=10001
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export ART_TEST_ON_VM=true
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. ./build/envsetup.sh
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lunch armv8-eng # or aosp_riscv64-userdebug, etc.
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art/tools/buildbot-build.sh --target # --installclean
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art/tools/buildbot-cleanup-device.sh
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# The following two steps can be skipped for faster iteration, but it doesn't
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# always track and update dependencies correctly (e.g. if only an assembly file
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# has been modified).
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art/tools/buildbot-setup-device.sh
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art/tools/buildbot-sync.sh
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art/test/run-test --chroot $ART_TEST_CHROOT --64 --interpreter -O 001-HelloWorld
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art/test.py --target -r --ndebug --no-image --64 --interpreter # specify tests
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art/tools/run-gtests.sh
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art/tools/buildbot-cleanup-device.sh
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```
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Both test.py and run-test scripts can be used. Tweak options as necessary.
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# Limitations
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Limitations are mostly related to the absence of system properties on the Linux.
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They are not really needed for ART tests, but they are used for test-related
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things, e.g. to find out if the tests should run in debug configuration (option
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`ro.debuggable`). Therefore debug configuration is currently broken.
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