Integrate converage reporting

.travis.yml

@@ -27,8 +27,8 @@ matrix:
       addons: &gcc5
         apt:
           sources: ['ubuntu-toolchain-r-test']
-          packages: ['g++-5', 'libbz2-dev', 'libstxxl-dev', 'libstxxl1', 'libxml2-dev', 'libzip-dev', 'lua5.1', 'liblua5.1-0-dev', 'libtbb-dev', 'libgdal-dev', 'libluabind-dev', 'libboost-all-dev']
-      env: CCOMPILER='gcc-5' CXXCOMPILER='g++-5' BUILD_TYPE='Debug'
+          packages: ['g++-5', 'libbz2-dev', 'libstxxl-dev', 'libstxxl1', 'libxml2-dev', 'libzip-dev', 'lua5.1', 'liblua5.1-0-dev', 'libtbb-dev', 'libgdal-dev', 'libluabind-dev', 'libboost-all-dev', 'pip']
+      env: CCOMPILER='gcc-5' CXXCOMPILER='g++-5' BUILD_TYPE='Debug' COVERAGE=ON
 
     - os: linux
       compiler: gcc
@@ -129,12 +129,15 @@ install:
   - npm install
   - DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
   - mkdir -p ${DEPS_DIR} && cd ${DEPS_DIR}
+  - |
+    if [[ -n "${COVERAGE}" ]]; then
+      pip install --user cpp-coveralls
+    fi
   - |
     if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
       CMAKE_URL="http://www.cmake.org/files/v3.5/cmake-3.5.1-Linux-x86_64.tar.gz"
       mkdir cmake && travis_retry wget --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
       export PATH=${DEPS_DIR}/cmake/bin:${PATH}
-
     elif [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then
       # implicit deps, but seem to be installed by default with recent images: libxml2 GDAL boost
       brew install cmake libzip libstxxl lua51 luabind tbb md5sha1sum
@@ -149,7 +152,7 @@ before_script:
   - mkdir build && pushd build
   - export CC=${CCOMPILER} CXX=${CXXCOMPILER}
   - export OSRM_PORT=5000 OSRM_TIMEOUT=6000
-  - cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS:-OFF} -DBUILD_TOOLS=1 -DENABLE_CCACHE=0
+  - cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS:-OFF} -DCOVERAGE=${COVERAGE:-OFF} -DBUILD_TOOLS=1 -DENABLE_CCACHE=0
 
 script:
   - make --jobs=2
@@ -179,7 +182,12 @@ script:
   - make
   - ./osrm-example ../../test/data/monaco.osrm
   - popd
+
+after_success:
   - |
     if [ -n "$RUN_CLANG_FORMAT" ]; then
       ./scripts/format.sh || true # we don't want to fail just yet
     fi
+  - pushd build
+  - coveralls --exclude unit_tests --gcov-options '\-lp'
+  - popd

CMakeLists.txt

@@ -34,6 +34,7 @@ option(ENABLE_JSON_LOGGING "Adds additional JSON debug logging to the response"
 option(BUILD_TOOLS "Build OSRM tools" OFF)
 option(BUILD_COMPONENTS "Build OSRM tools" ON)
 option(ENABLE_ASSERTIONS OFF)
+option(COVERAGE OFF)
 
 include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/include/)
 include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/include/)
@@ -133,6 +134,15 @@ if(CMAKE_BUILD_TYPE MATCHES Release)
   endif()
 endif()
 
+set(MAYBE_COVERAGE_LIBRARIES "")
+if (COVERAGE)
+  if (NOT CMAKE_BUILD_TYPE MATCHES "DEBUG")
+    message(ERROR "COVERAGE=ON only make sense with a Debug build")
+  endif()
+  set(MAYBE_COVERAGE_LIBRARIES "gcov")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftest-coverage -fprofile-arcs")
+endif()
+
 # Configuring compilers
 if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wuninitialized -Wunreachable-code -Wstrict-overflow=2 -D_FORTIFY_SOURCE=2 -fPIC -fcolor-diagnostics")
@@ -281,7 +291,8 @@ set(EXTRACTOR_LIBRARIES
     ${OSMIUM_LIBRARIES}
     ${STXXL_LIBRARY}
     ${TBB_LIBRARIES}
-    ${ZLIB_LIBRARY})
+    ${ZLIB_LIBRARY}
+    ${MAYBE_COVERAGE_LIBRARIES})
 set(CONTRACTOR_LIBRARIES
     ${Boost_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
@@ -289,23 +300,27 @@ set(CONTRACTOR_LIBRARIES
     ${USED_LUA_LIBRARIES}
     ${STXXL_LIBRARY}
     ${TBB_LIBRARIES}
-    ${MAYBE_RT_LIBRARY})
+    ${MAYBE_RT_LIBRARY}
+    ${MAYBE_COVERAGE_LIBRARIES})
 set(ENGINE_LIBRARIES
     ${Boost_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
     ${STXXL_LIBRARY}
     ${TBB_LIBRARIES}
-    ${MAYBE_RT_LIBRARY})
+    ${MAYBE_RT_LIBRARY}
+    ${MAYBE_COVERAGE_LIBRARIES})
 set(STORAGE_LIBRARIES
     ${Boost_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
     ${TBB_LIBRARIES}
-    ${MAYBE_RT_LIBRARY})
+    ${MAYBE_RT_LIBRARY}
+    ${MAYBE_COVERAGE_LIBRARIES})
 set(UTIL_LIBRARIES
     ${Boost_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
     ${STXXL_LIBRARY}
-    ${TBB_LIBRARIES})
+    ${TBB_LIBRARIES}
+    ${MAYBE_COVERAGE_LIBRARIES})
 # Libraries
 target_link_libraries(osrm ${ENGINE_LIBRARIES})
 target_link_libraries(osrm_contract ${CONTRACTOR_LIBRARIES})

README.md

@@ -10,6 +10,7 @@ The Open Source Routing Machine is a high performance routing engine written in
 | Linux        | develop | [![Build Status](https://travis-ci.org/Project-OSRM/osrm-backend.png?branch=develop)](https://travis-ci.org/Project-OSRM/osrm-backend) |
 | Windows      | master/develop | [![Build status](https://ci.appveyor.com/api/projects/status/4iuo3s9gxprmcjjh)](https://ci.appveyor.com/project/DennisOSRM/osrm-backend) |
 | LUAbind fork | master  | [![Build Status](https://travis-ci.org/DennisOSRM/luabind.png?branch=master)](https://travis-ci.org/DennisOSRM/luabind) |
+| Coverage     | develop | [![Coverage Status](https://coveralls.io/repos/github/Project-OSRM/osrm-backend/badge.svg?branch=develop)](https://coveralls.io/github/Project-OSRM/osrm-backend?branch=develop) |
 
 ## Building