Merge pull request hyperledger-iroha#441 from hyperledger/feature/cov…

…erage-comment

Feature/coverage comment

.circleci/config.yml

@@ -13,20 +13,27 @@ jobs:
     steps:
       - checkout
 
+      - run:
+          name: deps install
+          command:  apt update &&  apt install curl -y
+
       - run:
           name: ensure, required folders created
           command: |
             mkdir -p $IROHA_HOME
             mkdir -p $IROHA_BUILD
       - run:
           name: cmake
-          command: cmake -H$IROHA_HOME -B$IROHA_BUILD
+          command: cmake -DCOVERAGE=ON -H$IROHA_HOME -B$IROHA_BUILD
       - run:
           name: make
           command: cmake --build $IROHA_BUILD -- -j4
       - run:
           name: run tests
           command: cmake --build $IROHA_BUILD --target test
+      - run:
+          name: comment coverage on the pull-request
+          command: $IROHA_HOME/scripts/comment-coverage.sh
 
 #      - run:
 #          name: analyze source code with cppcheck and sonarqube

CMakeLists.txt

@@ -4,10 +4,16 @@ PROJECT(iroha C CXX)
 SET(CMAKE_CXX_FLAGS "-std=c++1y -Wall -fPIC")
 SET(CMAKE_CXX_FLAGS_RELEASE "-O3")
 SET(CMAKE_CXX_FLAGS_DEBUG   "-g -Wextra -Wno-unused-parameter -O0")
+SET(CMAKE_CXX_OUTPUT_EXTENSION_REPLACE 1)
+
+SET(GCC_COVERAGE_COMPILE_FLAGS "-fprofile-arcs -ftest-coverage")
+SET(GCC_COVERAGE_LINK_FLAGS    "-lgcov")
+
 SET(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules)
 
 option(BENCHMARKING "Build benchmarks" OFF)
 option(TESTING "Build tests" ON)
+option(COVERAGE "Enable coverage" OFF)
 option(FUZZING "Build fuzzing binaries" OFF)
 
 if (NOT CMAKE_BUILD_TYPE)
@@ -17,6 +23,7 @@ message(STATUS "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
 message(STATUS "-DTESTING=${TESTING}")
 message(STATUS "-DBENCHMARKING=${BENCHMARKING}")
 message(STATUS "-DFUZZING=${FUZZING}")
+message(STATUS "-DCOVERAGE=${COVERAGE}")
 
 SET(IROHA_SCHEMA_DIR "${PROJECT_SOURCE_DIR}/schema")
 include_directories(
@@ -35,6 +42,11 @@ add_subdirectory(iroha-cli)
 
 link_directories(${PROJECT_BINARY_DIR}/lib)
 
+if (COVERAGE)
+  SET( CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} ${GCC_COVERAGE_COMPILE_FLAGS}" )
+  SET( CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} ${GCC_COVERAGE_LINK_FLAGS}" )
+endif()
+
 if(TESTING)
   enable_testing()
   add_subdirectory(test)

scripts/comment-coverage.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -v
+
+
+if [ "$CIRCLE_PULL_REQUEST" == false ] || [ -z "$CIRCLE_PULL_REQUEST" ]; then
+  exit 0
+fi
+
+
+if [[ $CIRCLE_PULL_REQUEST =~ ([0-9]*)$ ]]; then
+  PR_NUMBER=${BASH_REMATCH[1]}
+fi
+
+
+# depencies
+apt-get update -y && apt-get install -y lcov npm nodejs-legacy
+npm install -g lcov-summary
+
+cd $IROHA_BUILD 
+lcov --directory . --capture --output-file coverage.info
+lcov --remove coverage.info '/usr/*' --output-file coverage.info
+lcov --remove coverage.info '*external*' --output-file coverage.info
+RESULT_COVERAGE=`lcov-summary ./coverage.info | sed -z 's/\n/\\\\n/g'`
+
+curl -XPOST -H 'Content-Type:application/json' -H "Authorization: token $GITHUB_TOKEN" -d "{\"body\":\"$RESULT_COVERAGE\"}" https://api.github.com/repos/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME/issues/$PR_NUMBER/comments