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codex/.bazelrc
Michael Bolin 30de54da36 bazel: run sharded rust integration tests (#21057)
## Why

Bazel CI was not actually exercising some sharded Rust integration-test
targets on macOS. The `rules_rust` sharding wrapper expects a symlink
runfiles tree, but this repo runs Bazel with `--noenable_runfiles`. In
that configuration the wrapper could fail to find the generated test
binary, produce an empty test list, and exit successfully. That made
targets such as `//codex-rs/core:core-all-test` look green even when
Cargo CI could still catch failures in the same Rust tests.

The coverage gap appears to have been introduced by
[#18082](https://github.com/openai/codex/pull/18082), which enabled
rules_rust native sharding on `//codex-rs/core:core-all-test` and the
other large Rust test labels. The manifest-runfiles setup itself
predates that change in
[#10098](https://github.com/openai/codex/pull/10098), but #18082 is
where the affected integration tests started running through the
incompatible rules_rust sharding wrapper.
[#18913](https://github.com/openai/codex/pull/18913) fixed the same
class of issue for wrapped unit-test shards, but integration-test shards
were still going through the rules_rust wrapper until this PR.

We still do not have the V8/code-mode pieces stable under the Bazel CI
cross-compile setup, so this keeps those tests out of Bazel while
restoring coverage for the rest of the sharded Rust integration suites.
Cargo CI remains responsible for V8/code-mode coverage for now.

This change did uncover a real failing core test on `main`:
`approved_folder_write_request_permissions_unblocks_later_apply_patch`.
That fix is split into
[#21060](https://github.com/openai/codex/pull/21060), which enables the
`apply_patch` tool in the test, teaches the aggregate core test binary
to dispatch the sandboxed filesystem helper, canonicalizes the macOS
temp patch target, and isolates the core test harness from managed
local/enterprise config. Keeping that fix separate lets this PR stay
focused on restoring Bazel coverage while documenting the first failure
it exposed.

## What changed

- Build sharded Rust integration tests as manual `*-bin` binaries and
run them through the existing manifest-aware `workspace_root_test`
launcher.
- Keep Bazel sharding on the launcher target so Rust test cases are
still distributed by stable test-name hashing.
- Configure Bazel CI to skip Rust tests whose names contain
`suite::code_mode::`.
- Exclude the standalone `codex-rs/code-mode` and `codex-rs/v8-poc`
unit-test targets from `bazel.yml`.

## Verification

- `bazel query --output=build //codex-rs/core:core-all-test` now shows
`workspace_root_test` wrapping `//codex-rs/core:core-all-test-bin`.
- `bazel test --test_output=all --nocache_test_results
--test_sharding_strategy=disabled //codex-rs/core:core-all-test
--test_filter=suite::request_permissions_tool::approved_folder_write_request_permissions_unblocks_later_apply_patch`
runs the actual Rust test body and passes.
- `bazel test --test_output=errors --nocache_test_results
--test_env=CODEX_BAZEL_TEST_SKIP_FILTERS=suite::code_mode::
//codex-rs/core:core-all-test` runs the sharded target with code-mode
skipped and passes overall locally, with one flaky attempt retried by
the existing `flaky = True` setting.
2026-05-04 13:33:14 -07:00

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common --repo_env=BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1
common --repo_env=BAZEL_NO_APPLE_CPP_TOOLCHAIN=1
# Dummy xcode config so we don't need to build xcode_locator in repo rule.
common --xcode_version_config=//:disable_xcode
common --disk_cache=~/.cache/bazel-disk-cache
common --repo_contents_cache=~/.cache/bazel-repo-contents-cache
common --repository_cache=~/.cache/bazel-repo-cache
common --remote_cache_compression
startup --experimental_remote_repo_contents_cache
common --experimental_platform_in_output_dir
# Runfiles strategy rationale: codex-rs/utils/cargo-bin/README.md
common --noenable_runfiles
common --enable_platform_specific_config
common:linux --host_platform=//:local_linux
common:windows --host_platform=//:local_windows
common --@rules_cc//cc/toolchains/args/archiver_flags:use_libtool_on_macos=False
common --@llvm//config:experimental_stub_libgcc_s
# TODO(zbarsky): rules_rust doesn't implement this flag properly with remote exec...
# common --@rules_rust//rust/settings:pipelined_compilation
common --incompatible_strict_action_env
# Not ideal, but We need to allow dotslash to be found
common:linux --test_env=PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
common:macos --test_env=PATH=/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
# Pass through some env vars Windows needs to use powershell?
common:windows --test_env=SYSTEMROOT
common:windows --test_env=COMSPEC
common:windows --test_env=WINDIR
# Rust's libtest harness runs test bodies on std-spawned threads. The default
# 2 MiB stack can be too small for large async test futures on Windows CI; see
# https://github.com/openai/codex/pull/19067 for the motivating failure.
common --test_env=RUST_MIN_STACK=8388608 # 8 MiB
common --test_output=errors
common --bes_results_url=https://app.buildbuddy.io/invocation/
common --bes_backend=grpcs://remote.buildbuddy.io
common --remote_cache=grpcs://remote.buildbuddy.io
common --remote_download_toplevel
common --nobuild_runfile_links
common --remote_timeout=3600
common --noexperimental_throttle_remote_action_building
common --experimental_remote_execution_keepalive
common --grpc_keepalive_time=30s
common --experimental_remote_downloader=grpcs://remote.buildbuddy.io
# This limits both in-flight executions and concurrent downloads. Even with high number
# of jobs execution will still be limited by CPU cores, so this just pays a bit of
# memory in exchange for higher download concurrency.
common --jobs=30
common:remote --extra_execution_platforms=//:rbe
common:remote --remote_executor=grpcs://remote.buildbuddy.io
common:remote --jobs=800
# TODO(team): Evaluate if this actually helps, zbarsky is not sure, everything seems bottlenecked on `core` either way.
# Enable pipelined compilation since we are not bound by local CPU count.
#common:remote --@rules_rust//rust/settings:pipelined_compilation
# GitHub Actions CI configs.
common:ci --remote_download_minimal
common:ci --keep_going
common:ci --verbose_failures
common:ci --build_metadata=REPO_URL=https://github.com/openai/codex.git
common:ci --build_metadata=ROLE=CI
common:ci --build_metadata=VISIBILITY=PUBLIC
# rules_rust derives debug level from Bazel toolchain/compilation-mode settings,
# not Cargo profiles. Keep CI Rust actions explicit and lean.
common:ci --@rules_rust//rust/settings:extra_rustc_flag=-Cdebuginfo=0
common:ci --@rules_rust//rust/settings:extra_exec_rustc_flag=-Cdebuginfo=0
# Disable disk cache in CI since we have a remote one and aren't using persistent workers.
common:ci --disk_cache=
# Shared config for the main Bazel CI workflow.
common:ci-bazel --config=ci
common:ci-bazel --build_metadata=TAG_workflow=bazel
# Bazel CI cross-compiles in several legs, and the V8-backed code-mode tests
# are not stable in that setup yet. Keep running the rest of the Rust
# integration suites through the workspace-root launcher.
common:ci-bazel --test_env=CODEX_BAZEL_TEST_SKIP_FILTERS=suite::code_mode::
# Shared config for Bazel-backed Rust linting.
build:clippy --aspects=@rules_rust//rust:defs.bzl%rust_clippy_aspect
build:clippy --output_groups=+clippy_checks
build:clippy --@rules_rust//rust/settings:clippy.toml=//codex-rs:clippy.toml
# Keep this deny-list in sync with `codex-rs/Cargo.toml` `[workspace.lints.clippy]`.
# Cargo applies those lint levels to member crates that opt into `[lints] workspace = true`
# in their own `Cargo.toml`, but `rules_rust` Bazel clippy does not read Cargo lint levels.
# `clippy.toml` can configure lint behavior, but it cannot set allow/warn/deny/forbid levels.
build:clippy --@rules_rust//rust/settings:clippy_flag=-Dwarnings
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::await_holding_invalid_type
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::await_holding_lock
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::expect_used
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::identity_op
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_clamp
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_filter
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_find
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_flatten
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_map
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_memcpy
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_non_exhaustive
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_ok_or
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_range_contains
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_retain
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_strip
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_try_fold
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::manual_unwrap_or
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::needless_borrow
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::needless_borrowed_reference
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::needless_collect
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::needless_late_init
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::needless_option_as_deref
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::needless_question_mark
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::needless_update
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::redundant_clone
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::redundant_closure
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::redundant_closure_for_method_calls
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::redundant_static_lifetimes
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::trivially_copy_pass_by_ref
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::uninlined_format_args
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::unnecessary_filter_map
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::unnecessary_lazy_evaluations
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::unnecessary_sort_by
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::unnecessary_to_owned
build:clippy --@rules_rust//rust/settings:clippy_flag=--deny=clippy::unwrap_used
# Shared config for Bazel-backed argument-comment-lint.
build:argument-comment-lint --aspects=//tools/argument-comment-lint:lint_aspect.bzl%rust_argument_comment_lint_aspect
build:argument-comment-lint --output_groups=argument_comment_lint_checks
build:argument-comment-lint --@rules_rust//rust/toolchain/channel=nightly
# Rearrange caches on Windows so they're on the same volume as the checkout.
common:ci-windows --config=ci-bazel
common:ci-windows --build_metadata=TAG_os=windows
common:ci-windows --repo_contents_cache=D:/a/.cache/bazel-repo-contents-cache
# We prefer to run the build actions entirely remotely so we can dial up the concurrency.
# We have platform-specific tests, so we want to execute the tests on all platforms using the strongest sandboxing available on each platform.
# On linux, we can do a full remote build/test, by targeting the right (x86/arm) runners, so we have coverage of both.
# Linux crossbuilds don't work until we untangle the libc constraint mess.
common:ci-linux --config=ci-bazel
common:ci-linux --build_metadata=TAG_os=linux
common:ci-linux --config=remote
common:ci-linux --strategy=remote
common:ci-linux --platforms=//:rbe
# On mac, we can run all the build actions remotely but test actions locally.
common:ci-macos --config=ci-bazel
common:ci-macos --build_metadata=TAG_os=macos
common:ci-macos --config=remote
common:ci-macos --strategy=remote
common:ci-macos --strategy=TestRunner=darwin-sandbox,local
# On Windows, use Linux remote execution for build actions but keep test actions
# on the Windows runner so Bazel's normal test sharding and flaky-test retries
# still run against Windows binaries.
common:ci-windows-cross --config=ci-windows
common:ci-windows-cross --build_metadata=TAG_windows_cross_compile=true
common:ci-windows-cross --config=remote
common:ci-windows-cross --host_platform=//:rbe
common:ci-windows-cross --strategy=remote
common:ci-windows-cross --strategy=TestRunner=local
common:ci-windows-cross --local_test_jobs=4
common:ci-windows-cross --test_env=RUST_TEST_THREADS=1
# Native Windows CI still covers the PowerShell tests. The cross-built gnullvm
# binaries currently hang in PowerShell AST parser tests when those binaries are
# run on the Windows runner.
common:ci-windows-cross --test_env=CODEX_BAZEL_TEST_SKIP_FILTERS=suite::code_mode::,powershell
common:ci-windows-cross --platforms=//:windows_x86_64_gnullvm
common:ci-windows-cross --extra_execution_platforms=//:rbe,//:windows_x86_64_msvc
common:ci-windows-cross --extra_toolchains=//:windows_gnullvm_tests_on_msvc_host_toolchain
# Linux-only V8 CI config.
common:ci-v8 --config=ci
common:ci-v8 --build_metadata=TAG_workflow=v8
common:ci-v8 --build_metadata=TAG_os=linux
common:ci-v8 --config=remote
common:ci-v8 --strategy=remote
# Optional per-user local overrides.
try-import %workspace%/user.bazelrc