Rust coverage

.bazelrc

@@ -58,5 +58,18 @@ build:x86_64-linux --platforms=@score_bazel_platforms//:x86_64-linux-gcc_12.2.0-
 build:x86_64-linux --extra_toolchains=@score_gcc_x86_64_toolchain//:x86_64-linux-gcc_12.2.0-posix
 build:x86_64-linux --extra_toolchains=@score_toolchains_rust//toolchains/ferrocene:ferrocene_x86_64_unknown_linux_gnu
 
+# -------------------------------------------------------------------------------
+# Ferrocene Rust coverage config
+# -------------------------------------------------------------------------------
+build:ferrocene-coverage --@rules_rust//rust/settings:extra_rustc_flag=-Cinstrument-coverage
+build:ferrocene-coverage --@rules_rust//rust/settings:extra_rustc_flag=-Clink-dead-code
+build:ferrocene-coverage --@rules_rust//rust/settings:extra_rustc_flag=-Ccodegen-units=1
+build:ferrocene-coverage --@rules_rust//rust/settings:extra_rustc_flag=-Cdebuginfo=2
+build:ferrocene-coverage --@rules_rust//rust/settings:extra_exec_rustc_flag=-Cinstrument-coverage
+build:ferrocene-coverage --@rules_rust//rust/settings:extra_exec_rustc_flag=-Clink-dead-code
+build:ferrocene-coverage --@rules_rust//rust/settings:extra_exec_rustc_flag=-Ccodegen-units=1
+build:ferrocene-coverage --@rules_rust//rust/settings:extra_exec_rustc_flag=-Cdebuginfo=2
+test:ferrocene-coverage --run_under=@score_tooling//coverage:llvm_profile_wrapper
+
 # to be removed
 build:build_qnx8 --config=arm64-qnx

.github/workflows/release.yml

@@ -56,17 +56,25 @@ jobs:
       - name: Build via Bazel
         run: |
           echo "Running: bazel build //src/..."
-          bazel build //src/...
+          bazel build --config=x86_64-linux //src/...
 
       - name: Run Unit Tests via Bazel
         run: |
           echo "Running: bazel test //:unit_tests"
-          bazel test //:unit_tests
+          bazel test --config=x86_64-linux --config=ferrocene-coverage \
+            --nocache_test_results \
+            //src/...
+
+      - name: Generate Ferrocene coverage reports
+        run: |
+          set -euo pipefail
+          bazel run //:rust_coverage
 
       - name: Create archive of test report
         run: |
           mkdir -p artifacts
           find bazel-testlogs/src -name 'test.xml' -print0 | xargs -0 -I{} cp --parents {} artifacts/
+          cp -r $(bazel info bazel-bin)/coverage/rust-tests artifacts/
           zip -r ${{ github.event.repository.name }}_coverage_report.zip artifacts/
         shell: bash
 

.github/workflows/rust_coverage.yml

@@ -0,0 +1,49 @@
+# *******************************************************************************
+# Copyright (c) 2026 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+name: Rust Coverage
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+  workflow_dispatch:
+
+jobs:
+  rust_coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4.2.2
+
+      - name: Setup Bazel
+        uses: bazel-contrib/setup-bazel@0.14.0
+
+      - name: Run Rust tests with coverage instrumentation
+        run: |
+          set -euo pipefail
+          bazel test --config=x86_64-linux --config=ferrocene-coverage \
+            --nocache_test_results \
+            //src/...
+
+      - name: Generate Ferrocene coverage reports
+        run: |
+          set -euo pipefail
+          bazel run //:rust_coverage -- --min-line-coverage 44
+
+      - name: Locate coverage artifacts
+        run: |
+          echo "COVERAGE_DIR=$(bazel info bazel-bin)/coverage/rust-tests" >> "${GITHUB_ENV}"
+
+      - name: Upload coverage HTML
+        uses: actions/upload-artifact@v4
+        with:
+          name: rust-coverage-html
+          path: ${{ env.COVERAGE_DIR }}

BUILD

@@ -11,7 +11,7 @@
 # SPDX-License-Identifier: Apache-2.0
 # *******************************************************************************
 load("@score_docs_as_code//:docs.bzl", "docs")
-load("@score_tooling//:defs.bzl", "copyright_checker", "dash_license_checker", "setup_starpls", "use_format_targets")
+load("@score_tooling//:defs.bzl", "copyright_checker", "dash_license_checker", "rust_coverage_report", "setup_starpls", "use_format_targets")
 load("//:project_config.bzl", "PROJECT_CONFIG")
 
 setup_starpls(
@@ -87,6 +87,23 @@ docs(
     source_dir = "docs",
 )
 
+# Rust coverage
+rust_coverage_report(
+    name = "rust_coverage",
+    bazel_configs = [
+        "x86_64-linux",
+        "ferrocene-coverage",
+    ],
+    query = 'kind("rust_test", //src/...)',
+    visibility = ["//visibility:public"],
+)
+
+alias(
+    name = "rust_coverage_report",
+    actual = ":rust_coverage",
+    visibility = ["//visibility:public"],
+)
+
 # Test suites
 test_suite(
     name = "unit_tests",

MODULE.bazel

@@ -38,12 +38,7 @@ bazel_dep(name = "score_tooling", version = "1.1.0")
 bazel_dep(name = "score_rust_policies", version = "0.0.3")
 
 bazel_dep(name = "score_process", version = "1.4.3", dev_dependency = True)
-bazel_dep(name = "score_platform", version = "0.5.2", dev_dependency = True)  # This is main score repo
-git_override(
-    module_name = "score_platform",
-    commit = "6ef2b8c740eb538d9b9b44fabd3dea5e0a888da6",
-    remote = "https://github.com/qorix-group/score.git",
-)
+bazel_dep(name = "score_platform", version = "0.5.3", dev_dependency = True)  # This is main score repo
 
 # Toolchains and extensions
 bazel_dep(name = "score_bazel_cpp_toolchains", version = "0.2.2", dev_dependency = True)