file_test, rule_test: now as sh_test rules

This commit rolls forward commit 76583ee114570e1866c1cc3842b40968e0119793,
which was rolled back by commit 28f8af7c225cce1f06ea9f9bf4e3eb3b43835bd2.

Differences:
- test_rules.bzl:success_target and failure_target
  no longer dump 'msg' into a file and print that.
  Instead, they print it as a heredoc.
- The same functions no longer need runfiles.bash.
  The breakage the original commit caused was that
  some Starlark rule used success_target but
  itself didn't depend on the Bash runfiles
  library, and success_target returns a
  DefaultInfo without the runfiles library in it.
  To keep existing success_target and
  failure_target calls intact, I opted to remove
  the dependency on runfiles.bash
- marked all "_impl" rules as testonly=1

Original commit message follows.

All test rules in
@bazel_tools//tools/build_rule:test_rules.bzl are
now macros around sh_test.

This allows running them on Windows with the
Windows-native test wrapper.

Fixes https://github.com/bazelbuild/bazel/issues/8203
Unblocks https://github.com/bazelbuild/bazel/issues/6622

Closes #8352.

PiperOrigin-RevId: 248691640
4 files changed
tree: ebfeca3a7f0e30255cf9211f41233a6428e4ade6
  1. .bazelci/
  2. examples/
  3. scripts/
  4. site/
  5. src/
  6. third_party/
  7. tools/
  8. .bazelrc
  9. .gitattributes
  10. .gitignore
  11. AUTHORS
  12. BUILD
  13. CHANGELOG.md
  14. CODEOWNERS
  15. combine_distfiles.py
  16. combine_distfiles_to_tar.sh
  17. compile.sh
  18. CONTRIBUTING.md
  19. CONTRIBUTORS
  20. distdir.bzl
  21. ISSUE_TEMPLATE.md
  22. LICENSE
  23. README.md
  24. WORKSPACE
README.md

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