From 16ae365b93afd85e023c1b8410e789c0ed280aa5 Mon Sep 17 00:00:00 2001
From: Alejandro Saucedo <axsauze@gmail.com>
Date: Sat, 13 Feb 2021 13:11:32 +0000
Subject: [PATCH] Added targets for building codecov

---
 Makefile            |  1 +
 docs/CMakeLists.txt | 28 ++++++++++++++++++------
 test/CMakeLists.txt | 53 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index 12150e7f3..a19b87ae2 100644
--- a/Makefile
+++ b/Makefile
@@ -69,6 +69,7 @@ mk_cmake:
 		-DKOMPUTE_OPT_BUILD_SINGLE_HEADER=1 \
 		-DKOMPUTE_OPT_ENABLE_SPDLOG=1 \
 		-DSPDLOG_INSTALL=1 \
+		-DKOMPUTE_OPT_CODE_COVERAGE=1 \
 		-G "Unix Makefiles"
 
 mk_build_all:
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index 84995ec57..8884b0299 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -21,8 +21,14 @@ set(DOXYFILE_IN
     ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in)
 set(DOXYFILE_OUT
     ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
-set(CODECOV_INDEX_FILE
-    ${DOXYGEN_OUTPUT_DIR/html/codecov/index.html})
+set(SPHINX_SOURCE
+    ${CMAKE_CURRENT_SOURCE_DIR})
+set(SPHINX_BUILD
+    ${CMAKE_CURRENT_BINARY_DIR}/sphinx)
+set(CODECOV_DOCS_DIR
+    ${SPHINX_BUILD}/codecov/)
+set(CODECOV_DOCS_INDEX_FILE
+    ${CODECOV_DOCS_DIR}/index.html})
 
 # Perform replacement with cmake vars inside Doxifine.in
 configure_file(${DOXYFILE_IN} ${DOXYFILE_OUT} @ONLY)
@@ -35,14 +41,25 @@ add_custom_command(
     COMMENT "Generating docs"
 )
 
-if(KP_OPT_DOCS_GEN_CODECOV)
+if(KOMPUTE_OPT_CODE_COVERAGE)
     add_custom_target(gendoxygen ALL 
-        DEPENDS ${DOXYGEN_INDEX_FILE} ${DOXYGEN_OUTPUT_DIR})
+        DEPENDS ${DOXYGEN_INDEX_FILE} ${CODECOV_DOCS_INDEX_FILE})
 else()
     add_custom_target(gendoxygen ALL 
         DEPENDS ${DOXYGEN_INDEX_FILE})
 endif()
 
+#####################################################
+########### CODECOV DOCS ###############
+#####################################################
+
+add_custom_command(
+    OUTPUT ${CODECOV_DOCS_INDEX_FILE}
+    COMMAND ${CMAKE_COMMAND}
+        -E copy_directory
+        ${CODECOV_DIR_HTML}
+        ${CODECOV_DOCS_DIR}
+    DEPENDS codecov_genhtml)
 
 #####################################################
 ########### Sphinx ###############
@@ -50,9 +67,6 @@ endif()
 
 find_package(Sphinx REQUIRED)
 
-set(SPHINX_SOURCE ${CMAKE_CURRENT_SOURCE_DIR})
-set(SPHINX_BUILD ${CMAKE_CURRENT_BINARY_DIR}/sphinx)
-
 add_custom_target(gensphinx ALL
     COMMAND
     ${SPHINX_EXECUTABLE} -b html 
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index f6b04df96..b38f7bdae 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -35,4 +35,57 @@ target_link_libraries(test_kompute PRIVATE kompute)
 
 add_test(NAME test_kompute COMMAND test_kompute)
 
+#####################################################
+#################### CODECOV  #######################
+#####################################################
+
+if (KOMPUTE_OPT_CODE_COVERAGE)
+    if(NOT UNIX)
+        message(
+            FATAL_ERROR
+            "KOMPUTE_OPT_CODE_COVERAGE can only be enabled in unix based systems due to limitation on gcov")
+    endif()
+
+    add_custom_target(codecov_run_tests
+        COMMAND make -C ${PROJECT_SOURCE_DIR} mk_run_tests
+        DEPENDS test_kompute)
+
+    add_custom_target(codecov_copy_files
+        COMMAND ${CMAKE_COMMAND}
+            -E copy_directory
+            ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/test_kompute.dir/
+            ${CODECOV_DIR}
+        COMMAND ${CMAKE_COMMAND}
+            -E copy_directory
+            ${CMAKE_CURRENT_BINARY_DIR}/../src/CMakeFiles/kompute.dir/
+            ${CODECOV_DIR}
+        DEPENDS test_kompute codecov_run_tests)
+
+    add_custom_target(codecov_gcov
+        COMMAND gcov
+            -b -c "*.gcno"
+        WORKING_DIRECTORY ${CODECOV_DIR}
+        DEPENDS codecov_copy_files)
+
+    add_custom_target(codecov_lcov
+        COMMAND lcov
+            --capture
+            -o ${CODECOV_FILENAME_LCOV_INFO_FULL}
+            -d .
+        COMMAND lcov
+            --extract
+            ${CODECOV_FILENAME_LCOV_INFO_FULL}
+            -o ${CODECOV_FILENAME_LCOV_INFO}
+            -d .
+            "*/src/*" "*/test/*"
+        WORKING_DIRECTORY ${CODECOV_DIR}
+        DEPENDS codecov_gcov)
+
+    add_custom_target(codecov_genhtml
+        COMMAND genhtml
+            ${CODECOV_FILENAME_LCOV_INFO}
+            --output-directory ${CODECOV_DIR_HTML}
+        WORKING_DIRECTORY ${CODECOV_DIR}
+        DEPENDS codecov_lcov)
+endif()