Make project used forked doctest

test/CMakeLists.txt

@@ -4,11 +4,6 @@ project(ssp_tests CXX)
 
 # ---- Dependencies ----
 
-set(SSP_INCLUDE_WITHOUT_SYSTEM YES
-    CACHE INTERNAL
-    "Turn the warning guard off to have errors appear in test builds"
-)
-
 include(FetchContent)
 fetchcontent_declare(ssp SOURCE_DIR "${PROJECT_SOURCE_DIR}/..")
 fetchcontent_makeavailable(ssp)
@@ -17,9 +12,16 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
     target_compile_options(ssp INTERFACE -Wall -Wextra)
 endif()
 
-find_package(doctest 2.4.4 CONFIG REQUIRED)
-# for doctest_discover_tests
-include(doctest)
+include(FetchContent)
+fetchcontent_declare(
+    DOCTEST
+    GIT_REPOSITORY https://github.com/red0124/doctest
+    GIT_TAG origin/master
+    GIT_SHALLOW TRUE
+)
+
+fetchcontent_makeavailable(DOCTEST)
+set(DOCTEST "${FETCHCONTENT_BASE_DIR}/doctest-src")
 
 # ---- Test ----
 
@@ -35,5 +37,5 @@ foreach(name IN ITEMS test_splitter test_parser test_converter test_extractions)
         "${name}"
         PRIVATE DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN CMAKE_GITHUB_CI
     )
-    doctest_discover_tests("${name}")
+    add_test(NAME "${name}" COMMAND "${name}")
 endforeach()