Add manual workflow for building clr tests with buildxl by agocke · Pull Request #128351 · dotnet/runtime

agocke · 2026-05-19T00:38:46Z

Helpful for testing out caching behavior

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> [!NOTE] > This PR description was generated with AI/Copilot assistance. ## Summary - add BuildXL workspace files for the TieredCompilation CoreCLR test slice - switch the BuildXL entrypoint to discover BuildXL and dotnet from the local environment - add a GitHub Actions workflow that runs the BuildXL build on pushes and PRs targeting `main` and `bxl` ## Validation - `DOTNET_ROOT=/home/andy/.local/share/dnvm/dn DOTNET_SDK_VERSION=11.0.100-preview.3.26207.106 ./bxl.sh /fileVerbosity:Informational /consoleVerbosity:Informational` --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

> [!NOTE] > This PR description was generated with AI/Copilot assistance. ## Summary - add `BasicTestWithMcj` to the BuildXL TieredCompilation test spec - keep the change scoped to the existing TieredCompilation module ## Validation - `DOTNET_ROOT=/home/andy/.local/share/dnvm/dn DOTNET_SDK_VERSION=11.0.100-preview.3.26207.106 ./bxl.sh /fileVerbosity:Informational /consoleVerbosity:Informational` --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

> [!NOTE] > This PR was AI/Copilot-generated. Upgrades BXL tool version from `0.2.0-ci.6` to `0.2.0-ci.7.b93871e` in the CI workflow. ci.7 includes `Sdk.Managed.Shared` and symlink fixes. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

> [!NOTE] > This PR was AI/Copilot-generated. ## Summary Replace `File[]`/`fileRefs` with Bazel-style `@pkg//path:file` labels for external package references. This removes all raw `File[]` usage for NuGet packages in favor of the label resolution system. ## Changes - **`config.dsc`**: Add `Sdk.Managed.Shared` module (new in ci.7), update `bxl_rules` and `bxl_rules_dotnet` commits for `@pkg` label + `externalPackages` support - **`defs/defs.dsc`**: Add `EXTERNAL_PACKAGES` map (registers NuGet + SDK `StaticDirectory` contents), convert `XUNIT_DEPS` from `File[]` to `Label[]`, add `XUNIT_RUNTIME_DEPS` for test staging, remove `CORECLR_TEST_COMMON_REFS` - **`coreclr_test.dsc`**: Replace `fileRefs` with `externalPackages` - **Workflow**: Upgrade BXL to `0.2.0-ci.7.b93871e` - **`.gitignore`**: Add `Out/` ## Dependencies - [`bxl_rules` @ 3a49444](https://github.com/agocke/bxl_rules/tree/add-gh-workflow-bootstrap) — adds `@pkg//path:file` label resolution - [`bxl_rules_dotnet` @ 52b26ea](https://github.com/agocke/bxl_rules_dotnet/tree/external-toolchain-gitrepo) — adds `externalPackages` passthrough ## Testing Type checking and evaluation pass with ci.7. Execution failures (7/13) are pre-existing on `origin/bxl` (toolchain path issue), not introduced by this PR. --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

> [!NOTE] > This PR was prepared with assistance from GitHub Copilot CLI. ## Summary Onboards every `coreclr_test` target from the `bazel-main` branch into BXL `BUILD.dsc` files under `src/tests/`. After this change `./bxl.sh "/f:output='*.test.stamp'"` runs ~3,500 standalone CoreCLR tests in ~6 minutes (cold) / ~10s (cached). ## Changes - **Generated 4,167 `coreclr_test` targets** across 1,690 new `BUILD.dsc` files from the `bazel-main` `src/tests/**/BUILD.bazel` definitions. `il_coreclr_test`, `coreclr_merged_test`, and `live_csharp_library` are out of scope and skipped. - **Extended the `coreclr_test` BXL macro** (`src/tests/coreclr_test/coreclr_test.dsc`) to accept the extra Bazel attributes (`pri`, `size`, `debugType`, `tags`, `targetCompatibleWith`, `compilerOptions`, `testDeps`, `async_`, `flaky`, `nullable`, `visibility`) and to skip tests tagged `manual` or marked `run: false`. - **Added a 60s `timeout` wrapper** around `corerun` invocations in the test runner script so a single hung test no longer stalls the whole build. - **Disabled 81 tests that fail to compile** locally (missing `.cs` files that exist only on `bazel-main`, missing framework refs such as `JSExport`, Roslyn benchmarks, etc.) — these are removed entirely. - **Disabled 572 tests that fail at runtime** with `run: false` (segfaults, asserts, exit-code mismatches; many are likely missing `live_csharp_library` helpers or test-asset data files that are out of scope here). - **Tooling:** - `eng/bxl/port_bazel_tests.py` — Bazel→BXL generator. Parses `BUILD.bazel` via Python `ast`, expands `glob()`, classifies deps, deduplicates exports across the shared `Tests` module namespace, skips Linux-incompatible targets and cross-package srcs, preserves hand-curated `BUILD.dsc` files. - `eng/bxl/disable_failed_tests.py` — Reads `Out/Logs/BuildXL.Dev.log` and either removes failing-compile targets (`--mode=build`) or sets `run: false` on failing-runtime targets (`--mode=test`). ## Validation - `./bxl.sh "/f:output='*.build.stamp'" /stopOnFirstError-` — **Build Succeeded** (8174 pips) - `./bxl.sh "/f:output='*.test.stamp'" /stopOnFirstError-` — **Build Succeeded** (6946 pips, 100% cache after disable pass) ## Out of scope / follow-ups - The 572 disabled runtime failures should be triaged individually; many likely just need `live_csharp_library` helpers or test asset files ported. - `il_coreclr_test` (2552 targets) and `coreclr_merged_test` (37 targets) are not yet supported in BXL. --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

…#84) > [!NOTE] > This PR description was AI-generated with GitHub Copilot CLI. Extends BXL coverage of `src/tests` from ~57% to ~90% by adding an `il_coreclr_test` macro that reuses the pre-built native ilasm from Core_Root, plus filling in cross-package `srcs` support for `coreclr_test`. ## What's new ### `il_coreclr_test` BXL macro (`src/tests/coreclr_test/il_coreclr_test.dsc`) - Invokes the pre-built `${Core_Root}/ilasm` to assemble `.il` sources into a `.dll` (`-quiet -dll -output=<name>.dll`, optional `-debug` / `-debug=opt` / `-optimize`). - No new native build required — `Defs.CORE_ROOT_ILASM` references the binary already staged in Core_Root. - Reuses the existing `runCoreClrTest` rule so test execution semantics match `coreclr_test` exactly (corerun under `Defs.CORE_ROOT_DIR`, exit-code 100 == pass, 60 s timeout). - Honors bazel `tags = ["manual"]` and `run: false` the same way as `coreclr_test`. ### Refactor in `coreclr_test.dsc` - `emitBuildStamp` / `runCoreClrTest` now take `binary: File` instead of `binary: CSharp.CSharpInfo`, so the IL macro can reuse them with an ilasm output directly. - `supportToolchain`, `bashExe`, `emitBuildStamp`, `runCoreClrTest` switched from file-scoped `const` to `export const` so cross-file references in the same module resolve. ### Port-script extensions (`eng/bxl/port_bazel_tests.py`) - Recognizes `il_coreclr_test` and emits `CoreClr.il_coreclr_test(...)`. - Allows workspace-relative `//pkg:file` labels in `srcs` (BXL's label resolver already handles them). - Verifies every src actually exists in the target tree (bazel-main snapshot is stale relative to upstream). - Drops `//src/tests/Common:TestLibrary` for IL deps — it's already on Core_Root's TPA at runtime. - Preserves `run: false` markers added by `disable_failed_tests.py` across regeneration. ### Disable-script extensions (`eng/bxl/disable_failed_tests.py`) - Recognizes ilasm pip failures (`|| ilasm <name>, /…/BUILD.dsc, …`) in addition to `csc [exe]` failures. - Matches both `coreclr_test` and `il_coreclr_test` blocks when removing/disabling. ## Numbers | | Before | After | |------------------------------|-------:|-------:| | `coreclr_test` targets | 4,082 | 4,310 | | `il_coreclr_test` targets | 0 | 2,405 | | Total ported | 4,082 | 6,715 | | Targets marked `run: false` | 310 | 1,277 | | BXL build pips | 12,233 | 18,761 | | Coverage vs MSBuild (7,490) | ~55% | ~90% | `./bxl.sh` is green. ## Remaining gap (~10%) - Tests with local `:foo` library deps (~100 between coreclr_test and il_coreclr_test). - 37 `coreclr_merged_test` targets (no BXL macro yet). - ~343 srcs referencing files that have been moved/deleted in upstream since the bazel-main snapshot. ## Disabled-tests breakdown The 1,277 `run: false` markers compile but fail at test time. Most are JIT regression / known-bad-IL coverage suites that segfault, stack-overflow, or hit assertions under corerun. Files removed entirely (200 targets across 91 files) are mostly negative IL tests tagged `manual` in bazel that lack entry points. ## Commits - `e8cba74` Port more coreclr_test targets (xpkg srcs, file-existence check) - `19ce7d1` Disable failing new ports: 81 broken-compile removed, 24 runtime failures suppressed - `7049782` Add il_coreclr_test BXL macro using pre-built ilasm - `5246fbf` Port IL tests from bazel-main: +2405 il_coreclr_test targets --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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The project's DefaultTargets was 'Test', but the Helix SDK that provides that target only loads when UsesHelixSdk=true. Since msbuild.sh invokes the project without that property, MSB4057 fired. Add a SubmitToHelix wrapper target (matching helixpublishwitharcade.proj pattern) that re-invokes the project with UsesHelixSdk=true and passes through all required pipeline properties. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Runner scripts now embed a '# dll-source:' comment with the absolute path to the compiled DLL. prepare-helix-payload.sh reads this metadata to locate the DLL for staging, instead of searching the filesystem. This is predictable and doesn't depend on BXL's internal output directory layout. Verified locally: 6570/6570 tests staged with zero warnings. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

TestBinDir already includes the platform-config segment (e.g. linux.x64.Checked/) when set by the Helix SDK, so CoreRootDirectory was doubled. Match helixpublishwitharcade.proj and use just $(TestBinDir)Tests/Core_Root/. Also fix TimeoutPerTestCollectionInMinutes: only pass it to the recursive MSBuild invocation when non-empty, so the default of 60 isn't overridden by an empty string. Verified locally: SubmitToHelix gets all the way to the Helix API call (fails only on missing CI env vars). Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Update bxl_rules and bxl_rules_dotnet pins to versions that set DOTNET_ROOT when shared compilation is enabled. This allows the VBCSCompiler server to find the correct runtime in the extracted SDK. Without this fix, VBCSCompiler's apphost inherits the host environment's DOTNET_ROOT, fails to load the runtime, and each csc invocation wastes 20 seconds on a connection timeout before falling back to in-process. With the fix: build time drops from ~56 min to ~2 min (with partial cache), as the persistent compiler server handles all compilations. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Sets RoslynCommandLineLogFile so csc logs whether it connected to VBCSCompiler or fell back to in-process compilation. The log is written to artifacts/log/roslyn-compiler.log for CI diagnosis. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Set RoslynCommandLineLogFile via pipeline env vars (not build.sh export, which doesn't pass through BXL's env isolation) and add a diagnostic step to report compiler server success/failure counts. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Pick up bxl_rules_dotnet#13, which sets DOTNET_HOST_PATH for VBCSCompiler and clears DOTNET_ROOT for shared compilation. Remove the Roslyn compiler server diagnostic logging now that the root cause is fixed. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Record runtime dependency paths in generated runner metadata and copy them next to each staged test DLL. CoreCLR tests need TestLibrary and xUnit support assemblies beside the test assembly when run under corerun on Helix. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Carry per-test environment variables through runner metadata into the staged Helix payload so the batch runner can apply them for each test DLL. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Stage each generated test runner script alongside its DLL and have the Helix chunk runner execute those entrypoints. This keeps per-test environment setup in the generated runner and avoids duplicating that behavior in the chunk runner. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Copilot AI review requested due to automatic review settings May 19, 2026 00:38

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github-actions Bot added the area-Infrastructure-coreclr Only use for closed issues label May 19, 2026

github-project-automation Bot added this to Runtime Infra May 19, 2026

agocke force-pushed the bxl branch from 5246fbf to 63a42ee Compare May 19, 2026 01:52

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agocke and others added 8 commits May 19, 2026 02:06

Remove .github modifications

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Remove workflow changes

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agocke force-pushed the bxl branch from cf832bf to b99d563 Compare May 19, 2026 02:06

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agocke force-pushed the bxl branch from c53a752 to a3c461b Compare May 19, 2026 06:10

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agocke force-pushed the bxl branch from a3c461b to 022c1a1 Compare May 19, 2026 06:24

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agocke force-pushed the bxl branch from 022c1a1 to f9e6c13 Compare May 19, 2026 06:56

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agocke force-pushed the bxl branch from f9e6c13 to 999203a Compare May 19, 2026 07:09

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agocke force-pushed the bxl branch from 7b71481 to 0da24cc Compare May 20, 2026 07:50

This was referenced May 20, 2026

"We stopped hearing from agent Azure Pipelines 32. Verify the agent machine is running and has a healthy network connection" dotnet/dnceng#1886

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browser-wasm linux Release LibraryTests queues timing out #117974

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agocke force-pushed the bxl branch from 2baf6c1 to 2a3cf1f Compare May 20, 2026 21:30

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agocke force-pushed the bxl branch from 2a3cf1f to 9bcc1da Compare May 20, 2026 21:31

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build-analysis Bot mentioned this pull request May 21, 2026

[browser] Could not resolve type with token 01000001 from typeref #126997

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agocke and others added 3 commits May 21, 2026 03:05

Preserve BXL test env vars on Helix

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Carry per-test environment variables through runner metadata into the staged Helix payload so the batch runner can apply them for each test DLL. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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[wasm] OpenQA.Selenium.WebDriverTimeoutException: timeout: Timed out receiving message from renderer #117486

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Multiple Helix work items fail on maccatalyst/tvos CoreCLR Release #126460

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Add manual workflow for building clr tests with buildxl#128351

Add manual workflow for building clr tests with buildxl#128351
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