Add code coverage for C++

.github/workflows/cpp.yaml

@@ -49,12 +49,14 @@ jobs:
       - name: get-oneDNN
         run: wget https://github.com/oneapi-src/oneDNN/releases/download/v1.1/dnnl_lnx_1.1.0_cpu_gomp.tgz -P /tmp/ && tar zxf /tmp/dnnl_lnx_1.1.0_cpu_gomp.tgz -C /tmp
       - name: install-build-dependencies
-        run: sudo apt-get install -y libgoogle-glog-dev libprotobuf-dev protobuf-compiler libncurses-dev libopenblas-dev gfortran libblas-dev liblapack-dev libatlas-base-dev swig libcurl3-dev cmake dh-autoreconf
+        run: sudo apt-get install -y libgoogle-glog-dev libprotobuf-dev protobuf-compiler libncurses-dev libopenblas-dev gfortran libblas-dev liblapack-dev libatlas-base-dev swig dh-autoreconf lcov
       - name: configure
-        run: mkdir build && cd build && cmake -DUSE_PYTHON=NO -DENABLE_TEST=YES -DUSE_DNNL=YES ..
+        run: mkdir build && cd build && cmake -DUSE_PYTHON=NO -DENABLE_TEST=YES -DCODE_COVERAGE=YES -DUSE_DNNL=YES ..
         env:
          DNNL_ROOT: /tmp/dnnl_lnx_1.1.0_cpu_gomp/
       - name: build
         run: cd build && make
       - name: C++ test
         run: build/bin/test_singa
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v1

CMakeLists.txt

@@ -67,6 +67,7 @@ INCLUDE_DIRECTORIES(${SINGA_INCLUDE_DIR})
 
 OPTION(USE_CUDA "Use Cuda libs" OFF)
 OPTION(ENABLE_TEST "Enable unit test" OFF)
+option(CODE_COVERAGE "Enable coverage reporting" OFF)
 OPTION(USE_PYTHON "Generate py wrappers" ON)
 OPTION(USE_PYTHON3 "Python 3x" OFF)
 

README.md

@@ -45,6 +45,7 @@ Distributed deep learning system
 
 ![LGTM C++ Grade](https://img.shields.io/lgtm/grade/cpp/github/apache/incubator-singa)
 ![LGTM Python Grade](https://img.shields.io/lgtm/grade/python/github/apache/incubator-singa)
+[![codecov](https://codecov.io/gh/apache/singa/branch/master/graph/badge.svg)](https://codecov.io/gh/apache/singa)
 
 [![Stargazers over time](https://starchart.cc/apache/singa.svg)](https://starchart.cc/apache/singa)
 

src/CMakeLists.txt

@@ -105,6 +105,11 @@ IF(UNIX OR APPLE)
   SET_TARGET_PROPERTIES(singa PROPERTIES LINK_FLAGS "")
 ENDIF()
 
+IF(CODE_COVERAGE)
+    MESSAGE("-- Enabling Code Coverage")
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O0 -g --coverage")
+ENDIF(CODE_COVERAGE)
+
 #pass configure infor to swig
 FILE(REMOVE "${CMAKE_CURRENT_SOURCE_DIR}/api/config.i")
 CONFIGURE_FILE("${CMAKE_CURRENT_SOURCE_DIR}/api/config.i.in" "${CMAKE_CURRENT_SOURCE_DIR}/api/config.i")