Modifiying all related gcovr materials to obtain the report.

.codecov.yml

@@ -0,0 +1,40 @@
+codecov:
+  notify:
+    require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: "65...90"
+
+  status:
+    project:
+      default:
+        threshold: 0.5 # Allow the coverage to drop by threshold %, and posting a success status.
+    patch:
+      default:
+        target: 0% # trial operation
+    changes: no
+
+parsers:
+  gcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: no
+      macro: no
+
+comment:
+  layout: "header, diff"
+  behavior: default
+  require_changes: no
+
+ignore:
+  - ".git*"
+  - "*.yml"
+  - "*.md"
+  - "CMake*"
+  # ignore folders and all its contents
+  - "CMakeFiles/.*"
+  - "gtest/.*"
+  - "cmake_modules/.*"

.travis.yml

@@ -30,8 +30,7 @@ cache:
 
 script:
   - cmake -DCMAKE_BUILD_TYPE=ON -DCOVERAGE=1 -DBUILD_TESTS=ON .
-  - build-wrapper-linux-x86-64 --out-dir bw-output make all
-  - ./runUnitTests
+  - build-wrapper-linux-x86-64 --out-dir bw-output make generate_gcovr
   - bash generate_gcov.sh
   - sonar-scanner -Dsonar.cfamily.build-wrapper-output=bw-output
 

CMakeLists.txt

@@ -24,26 +24,27 @@ list(REMOVE_ITEM SRC_FILES ${PROJECT_SOURCE_DIR}/src/main.cpp)
 
 set(CMAKE_CXX_STANDARD 11)
 
+set(O0_COMPILER_FLAGS "-o0"
+    CACHE INTERNAL "")
+
+function(append_no_optimization_compiler_flags)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${O0_COMPILER_FLAGS}" PARENT_SCOPE)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${O0_COMPILER_FLAGS}" PARENT_SCOPE)
+    set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${O0_COMPILER_FLAGS}" PARENT_SCOPE)
+    message(STATUS "Appending no optimization compiler flags: ${O0_COMPILER_FLAGS}")
+endfunction() # append_no_optimization_compiler_flags
+
 ################################
 # Normal Libraries & Executables
 ################################
 add_library(project1_lib ${SRC_FILES})
-add_executable(project1 ${PROJECT_SOURCE_DIR}/src/main.cpp)
+
 # Key idea: SEPARATE OUT your main() function into its own file so it can be its
 # own executable. Separating out main() means you can add this library to be
 # used elsewhere (e.g linking to the test executable).
-if(CMAKE_COMPILER_IS_GNUCXX)
-LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake_modules")
-include(CodeCoverage)
-APPEND_COVERAGE_COMPILER_FLAGS()
-# this is optional if you want to exclude some directory from the report
-set(COVERAGE_LCOV_EXCLUDES 'dir1/*' 'dir2/*')
-SETUP_TARGET_FOR_COVERAGE_LCOV(NAME project1_coverage
-                              EXECUTABLE project1
-                              DEPENDENCIES project1)
-endif()
+#add_executable(project1 ${PROJECT_SOURCE_DIR}/src/main.cpp)
 
-target_link_libraries(project1 project1_lib)
+#target_link_libraries(project1 project1_lib)
 
 ################################
 # Testing
@@ -55,13 +56,29 @@ option(BUILD_TESTS "Build all tests." OFF) # Makes boolean 'test' available.
 if (BUILD_TESTS)
 
   enable_testing()
-
+	
 
   ##############
   # Unit Tests
   ##############
   add_executable(runUnitTests ${TEST_SRC_FILES})
 
+  if(CMAKE_COMPILER_IS_GNUCXX)
+  LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake_modules")
+  include(CodeCoverage)
+  APPEND_NO_OPTIMIZATION_COMPILER_FLAGS()
+  APPEND_COVERAGE_COMPILER_FLAGS()
+  # this is optional if you want to exclude some directory from the report
+  #set(COVERAGE_LCOV_EXCLUDES 'dir1/*' 'dir2/*')
+  # Both setups - SETUP_TARGET_FOR_COVERAGE_LCOV and SETUP_TARGET_FOR_COVERAGE_LCOV must be after the add_executable
+  SETUP_TARGET_FOR_COVERAGE_LCOV(NAME generate_coverage
+                                EXECUTABLE runUnitTests
+                                DEPENDENCIES runUnitTests)
+  SETUP_TARGET_FOR_COVERAGE_GCOVR_XML( NAME generate_gcovr
+                                     EXECUTABLE runUnitTests
+                                     DEPENDENCIES runUnitTests)
+  endif()
+
   # Standard linking to gtest stuff.
   target_link_libraries(runUnitTests gtest pthread)
 

generate_gcov.sh

@@ -38,14 +38,14 @@ do
 done
 
 # Erase all .gcov files in ./gcov/trash
-rm -f ./*.gcov
+#rm -f ./*.gcov
 
 # Going out to ./gcov
-cd ..
+cd ../../
 # gcovr it!
-gcovr -r ./ --xml -o ../coverage/coverage.xml
+gcovr -r ./ --xml -o ./coverage/coverage.xml
 #gcovr -r ./ --html --html-details -o ../coverage/coverage.html
 # Exit pacefully
-cd ..
+# cd ..
 
 echo "done gcovving"