From 1b28928e2de58439c63cd26c472436e67fee78c9 Mon Sep 17 00:00:00 2001
From: Kaiser-Yang <624626089@qq.com>
Date: Tue, 7 May 2024 13:51:04 +0800
Subject: [PATCH] Add a git action for coverage

This action will generate codes coverage for unit tests.
---
 .github/workflows/codecov.yml | 38 +++++++++++++++++++++++++++++++++++
 CMakeLists.txt                |  5 +++++
 2 files changed, 43 insertions(+)
 create mode 100644 .github/workflows/codecov.yml

diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
new file mode 100644
index 0000000..6a3886e
--- /dev/null
+++ b/.github/workflows/codecov.yml
@@ -0,0 +1,38 @@
+name: generate unit tests coverage
+on: [pull_request]
+jobs:
+  run:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - name: build
+        shell: bash
+        run: |
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -Dmca_GENERATE_COVERAGE=on
+          cmake --build build
+
+      - name: Install LCOV
+        shell: bash
+        run: |
+          sudo apt-get --assume-yes install lcov > /dev/null
+
+      - name: run test
+        shell: bash
+        run: ./build/test/mca_unit_test
+
+      - name: lcov collection
+        shell: bash
+        run: |
+          cd build
+          lcov -c -d ./ -o cover.info
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v4.0.1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: build/cover.info
+          verbose: true
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 78bc85a..21ab330 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,6 +13,11 @@ endif()
 
 option(mca_BUILD_SHARE_LIB "Build shared libraries rather than static libraries" on)
 option(mca_BUILD_TEST "Whether or not to build unit test" on)
+option(mca_GENERATE_COVERAGE "Whether or not to generate codes coverage report" off)
+
+if (mca_GENERATE_COVERAGE)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
+endif()
 
 aux_source_directory(src mca_SOURCE)