add/fix support for bazel coverage (#151)

f0rmiga · Oct 11, 2023 · e2a3469 · e2a3469
1 parent 6430f82
commit e2a3469
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diff --git a/.github/workflows/default.yaml b/.github/workflows/default.yaml
@@ -62,6 +62,17 @@ jobs:
           bazel test --config ci --config ${{ matrix.sanitizer }} //tests/sanitizers:${{ matrix.sanitizer }}_test
         env:
           BUILDBUDDY_API_KEY: ${{ secrets.BUILDBUDDY_API_KEY }}
+  coverage:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      - uses: bazelbuild/setup-bazelisk@v2
+      - name: Test Coverage
+        run: |
+          ./.github/workflows/configurebb.sh
+          bazel coverage --config ci //examples/hello_world_cpp:hello_world_cpp_test
+        env:
+          BUILDBUDDY_API_KEY: ${{ secrets.BUILDBUDDY_API_KEY }}
   rbe:
     if: (github.ref == 'refs/heads/main' || contains(github.head_ref, 'rbe'))
     strategy:

diff --git a/examples/hello_world_cpp/BUILD.bazel b/examples/hello_world_cpp/BUILD.bazel
@@ -32,6 +32,12 @@ cc_binary(
     data = ["names.txt"],
 )
 
+cc_test(
+    name = "hello_world_cpp_test",
+    srcs = ["main.cpp"],
+    data = ["names.txt"],
+)
+
 platform_transition_filegroup(
     name = "hello_world_cpp_linux_aarch64",
     srcs = [":hello_world_cpp"],

diff --git a/toolchain/defs.bzl b/toolchain/defs.bzl
@@ -503,6 +503,12 @@ filegroup(
     visibility = ["//visibility:public"],
 )
 
+filegroup(
+    name = "coverage_files",
+    srcs = [":gcov"],
+    visibility = ["//visibility:public"],
+)
+
 [
     filegroup(
         name = bin,
@@ -516,6 +522,7 @@ filegroup(
     for bin in [
         "ar",
         "as",
+        "gcov",
         "ld",
         "ld.bfd",
         "nm",
@@ -575,6 +582,7 @@ cc_toolchain(
     linker_files = ":linker_files",
     objcopy_files = ":objcopy_files",
     strip_files = ":strip_files",
+    coverage_files = ":coverage_files",
     supports_param_files = 0,
     toolchain_config = ":cc_toolchain_config",
     toolchain_identifier = "gcc-toolchain",
@@ -598,6 +606,7 @@ filegroup(
         ":ar_files",
         ":as_files",
         ":compiler_files",
+        ":coverage_files",
         ":dwp_files",
         ":linker_files",
         ":objcopy_files",
@@ -662,6 +671,14 @@ filegroup(
     ],
 )
 
+filegroup(
+    name = "coverage_files",
+    srcs = [
+        "@{toolchain_files_repository_name}//:coverage_files",
+        ":gcov",
+    ],
+)
+
 filegroup(
     name = "gcc",
     srcs = [
@@ -671,6 +688,11 @@ filegroup(
     ],
 )
 
+filegroup(
+    name = "gcov",
+    srcs = ["bin/gcov"],
+)
+
 filegroup(
     name = "gfortran",
     srcs = ["bin/gfortran"],