config: always search the source tree for vars

The tast vars are copied from the source repos into the SDK to fixed
paths.  We can have tast read those vars directly and not bother with
the SDK install at all.

TEST=CQ passes

Change-Id: Ide4201baea1fb82209c5f37dae799b7543eef8a5
Tested-by: Mike Frysinger <>
Reviewed-by: Seewai Fu <>
Commit-Queue: Mike Frysinger <>
1 file changed
tree: ce04846754786342d20005160db70515a12c15d4
  1. docs/
  2. src/
  3. tools/
  4. .gitignore
  7. go.mod
  8. go.sum
  11. OWNERS
  12. PRESUBMIT.cfg
  15. unblocked_terms.txt

Tast (go/tast)

Tast logo with Go gopher with green rubber PASS stamp

Tast is an integration-testing system for ChromeOS. Its focus is on maintainability, speed, and ease of interpreting and reproducing test results. It supports building, deploying, and running tests. It doesn't implement other functionality like managing labs of devices used for testing, scheduling tests, or storing test results.

For more information, see the list of documentation.

Directory structure

This repository is organized in accordance with the Go in ChromiumOS suggestions.

  • src/chromiumos/
    • cmd/local_test_runner/ - main package for the local_test_runner executable used to execute local test bundles on-device.
    • cmd/remote_test_runner/ - main package for the remote_test_runner executable used to execute remote test bundles on the host system.
    • cmd/tast/ - main package for the tast executable used to build and run tests.
      • ... - Packages used only by the tast executable.
    • tast/... - Common packages shared by multiple executables.

Tests are located in the tast-tests repository.

Notes about the logo

The Go gopher concept and design was originally created by Renee French and is covered by the Creative Commons Attribution 3.0 license. The Tast logo above is also covered by the Creative Commons Attribution 3.0 license.