try to setup coverage

CMakeLists.txt

@@ -17,11 +17,26 @@ SET(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
 # global vars
 SET (MDAL_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/output CACHE PATH "Output base directory")
 SET (ENABLE_TESTS TRUE CACHE BOOL "Build tests?")
+SET (ENABLE_COVERAGE FALSE CACHE BOOL "Enable GCOV code coverage?")
 SET (BUILD_TOOLS TRUE CACHE BOOL "Build tool executables?")
 SET (WITH_HDF5 TRUE CACHE BOOL "Build providers that require HDF5")
 SET (WITH_GDAL TRUE CACHE BOOL "Build providers that require GDAL (e.g. GRIB)")
 SET (WITH_NETCDF TRUE CACHE BOOL "Build providers that require NETCDF (e.g. 3Di)")
 
+#############################################################
+# Setup code coverage
+IF(ENABLE_COVERAGE)
+  IF (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+    MESSAGE(FATAL_ERROR "gcov coverage must be run in debug build type")
+  ENDIF(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+
+  IF(MSVC)
+    MESSAGE(FATAL_ERROR "gcov coverage is not implemented for Windows")
+  ENDIF(MSVC)
+
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
+ENDIF()
+
 #############################################################
 # warnings https://stackoverflow.com/a/3818084/2838364
 IF(MSVC)

README.md

@@ -2,6 +2,8 @@
 [![CircleCI](https://circleci.com/gh/lutraconsulting/MDAL.svg?style=svg)](https://circleci.com/gh/lutraconsulting/MDAL)
 <!-- [<img src="https://my.cdash.org/images/cdash.gif" alt="cdash" width="20"/>](https://my.cdash.org/index.php?project=MDAL) -->
 
+[![Coverage Status](https://coveralls.io/repos/github/lutraconsulting/MDAL/badge.svg?branch=master)](https://coveralls.io/github/lutraconsulting/MDAL?branch=master)
+
 # MDAL
 Mesh Data Abstraction Library
 

scripts/ci/linux/build.bash

@@ -51,5 +51,14 @@ if grep -q "Defects:" "memcheck.log"; then
   cat /home/travis/build/lutraconsulting/MDAL/build_db_lnx/Testing/Temporary/MemoryChecker.*.log
   exit 1
 fi
+cd ..
+
+echo "Linux code coverage"
+mkdir -p build_coverage_lnx
+cd build_coverage_lnx
+cmake ${CMAKE_OPTIONS} -DCMAKE_BUILD_TYPE=Debug -DENABLE_TESTS=ON -DENABLE_COVERAGE=ON ..
+make
+CTEST_TARGET_SYSTEM=Linux-gcc; ctest -VV
+coveralls --exclude lib --exclude tests --gcov-options '\-lp'
 
 cd ..

scripts/ci/linux/install.bash

@@ -11,4 +11,8 @@ sudo apt-get install -y libhdf5-dev libnetcdf-dev
 sudo apt-get install mingw-w64
 
 # Valgrind
-sudo apt-get install libc6-dbg gdb valgrind
+sudo apt-get install libc6-dbg gdb valgrind
+
+# Code coverage
+sudo apt-get install python-pip
+sudo pip install cpp-coveralls