Add travis, coverall and other things.

.gitmodules

@@ -10,3 +10,6 @@
 [submodule "external/lodepng"]
 	path = external/lodepng
 	url = https://github.com/lvandeve/lodepng
+[submodule "external/coveralls-cmake"]
+	path = external/coveralls-cmake
+	url = https://github.com/JoakimSoderberg/coveralls-cmake.git

.travis.yml

@@ -0,0 +1,26 @@
+dist: bionic
+language: c
+os:
+	- linux
+	- osx
+
+compiler:
+	- clang
+	- gcc
+
+
+script:
+	mkdir build
+	cd build
+	cmake ..
+	make
+	make test
+	cd ..
+	mkdir coverage
+	cd coverage
+	cmake .. -DCOVERALL=ON -DCMAKE_BUILD_TYPE=Debug
+	cmake --build .
+	cmake --build . --target coveralls
+	 
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

CMakeLists.txt

@@ -6,19 +6,37 @@ project(DoRayMe)
 
 set(CMAKE_CXX_STANDARD 11)
 
+option(COVERALLS "Generate coveralls data" OFF)
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/external/coveralls-cmake/cmake)
+
 # LodePNG don't make a .a or .so, so let's build a library here
 add_library(LodePNG STATIC)
 set(LODEPNG_INCLUDE_FOLDER ${CMAKE_CURRENT_SOURCE_DIR}/external/lodepng)
 target_sources(LodePNG PRIVATE external/lodepng/lodepng.cpp external/lodepng/lodepng.h)
 
 
+if (COVERALLS)
+	include(Coveralls)
+	coveralls_turn_on_coverage()
+endif()
+
 # Main app
 add_subdirectory(source)
 
+
 option(PACKAGE_TESTS "Build the tests" ON)
-if(PACKAGE_TESTS)
+if(PACKAGE_TESTS OR COVERALLS)
     enable_testing()
     include(GoogleTest)
-	 add_subdirectory("${PROJECT_SOURCE_DIR}/external/googletest" "external/googletest")
+    add_subdirectory("${PROJECT_SOURCE_DIR}/external/googletest" "external/googletest")
     add_subdirectory(tests)
+
+
+    if (COVERALLS)
+        # Create the coveralls target.
+        coveralls_setup(
+            "${COVERAGE_SRCS}" # The source files.
+            ON                 # If we should upload.
+        ) # (Optional) Alternate project cmake module path.
+    endif ()
 endif()

source/CMakeLists.txt

@@ -18,4 +18,8 @@ target_link_libraries(rayonnement LodePNG)
 # Second we build the main executable
 add_executable(dorayme main.cpp)
 target_include_directories(rayonnement PUBLIC include ${LODEPNG_INCLUDE_FOLDER})
-target_link_libraries(dorayme rayonnement)
+target_link_libraries(dorayme rayonnement)
+
+if (COVERALLS)
+    set(COVERAGE_SRCS ${RAY_HEADERS} ${RAY_SOURCES} ${COVERAGE_SRCS} PARENT_SCOPE)
+endif()