From ab2e99b0d95714e16a7d1a1313d7da938b0485cb Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Wed, 24 Jul 2024 12:28:10 +0100
Subject: [PATCH] cmake: Create test suite for `ctest`

---
 CMakeLists.txt              |  3 +++
 src/CMakeLists.txt          |  4 ++--
 src/test/CMakeLists.txt     | 38 +++++++++++++++++++++++++++++++++++++
 src/univalue/CMakeLists.txt | 26 +++++++++++++++++++++++++
 4 files changed, 69 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4c6a15e647..9529847bd1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -213,6 +213,9 @@ try_append_cxx_flags("-fno-extended-identifiers" TARGET core_interface SKIP_LINK
 # -fstack-reuse=none for all gcc builds. (Only gcc understands this flag).
 try_append_cxx_flags("-fstack-reuse=none" TARGET core_interface)
 
+if(BUILD_TESTS)
+  enable_testing()
+endif()
 # TODO: The `CMAKE_SKIP_BUILD_RPATH` variable setting can be deleted
 #       in the future after reordering Guix script commands to
 #       perform binary checks after the installation step.
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a80b840699..09e57e1378 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -41,8 +41,8 @@ set(SECP256K1_DISABLE_SHARED ON CACHE BOOL "" FORCE)
 set(SECP256K1_ENABLE_MODULE_ECDH OFF CACHE BOOL "" FORCE)
 set(SECP256K1_ENABLE_MODULE_RECOVERY ON CACHE BOOL "" FORCE)
 set(SECP256K1_BUILD_BENCHMARK OFF CACHE BOOL "" FORCE)
-set(SECP256K1_BUILD_TESTS OFF CACHE BOOL "" FORCE)
-set(SECP256K1_BUILD_EXHAUSTIVE_TESTS OFF CACHE BOOL "" FORCE)
+set(SECP256K1_BUILD_TESTS ${BUILD_TESTS} CACHE BOOL "" FORCE)
+set(SECP256K1_BUILD_EXHAUSTIVE_TESTS ${BUILD_TESTS} CACHE BOOL "" FORCE)
 set(SECP256K1_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
 # We want to build libsecp256k1 with the most tested RelWithDebInfo configuration.
 enable_language(C)
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index 167d8babf2..d607e0782f 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -153,3 +153,41 @@ target_link_libraries(test_bitcoin
   Boost::headers
   $<TARGET_NAME_IF_EXISTS:libevent::libevent>
 )
+
+function(add_boost_test source_file)
+  if(NOT EXISTS ${source_file})
+    return()
+  endif()
+
+  file(READ "${source_file}" source_file_content)
+  string(REGEX
+    MATCH "(BOOST_FIXTURE_TEST_SUITE|BOOST_AUTO_TEST_SUITE)\\(([A-Za-z0-9_]+)"
+    test_suite_macro "${source_file_content}"
+  )
+  string(REGEX
+    REPLACE "(BOOST_FIXTURE_TEST_SUITE|BOOST_AUTO_TEST_SUITE)\\(" ""
+    test_suite_name "${test_suite_macro}"
+  )
+  if(test_suite_name)
+    add_test(NAME ${test_suite_name}
+      COMMAND test_bitcoin --run_test=${test_suite_name} --catch_system_error=no
+    )
+    set_property(TEST ${test_suite_name} PROPERTY
+      SKIP_REGULAR_EXPRESSION "no test cases matching filter" "Skipping"
+    )
+  endif()
+endfunction()
+
+function(add_all_test_targets)
+  get_target_property(test_source_dir test_bitcoin SOURCE_DIR)
+  get_target_property(test_sources test_bitcoin SOURCES)
+  foreach(test_source ${test_sources})
+    cmake_path(IS_RELATIVE test_source result)
+    if(result)
+      cmake_path(APPEND test_source_dir ${test_source} OUTPUT_VARIABLE test_source)
+    endif()
+    add_boost_test(${test_source})
+  endforeach()
+endfunction()
+
+add_all_test_targets()
diff --git a/src/univalue/CMakeLists.txt b/src/univalue/CMakeLists.txt
index ef7f7362f9..96733fe077 100644
--- a/src/univalue/CMakeLists.txt
+++ b/src/univalue/CMakeLists.txt
@@ -13,3 +13,29 @@ target_include_directories(univalue
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
 )
 target_link_libraries(univalue PRIVATE core_interface)
+
+if(BUILD_TESTS)
+  add_executable(unitester test/unitester.cpp)
+  target_compile_definitions(unitester
+    PRIVATE
+      JSON_TEST_SRC=\"${CMAKE_CURRENT_SOURCE_DIR}/test\"
+  )
+  target_link_libraries(unitester
+    PRIVATE
+      core_interface
+      univalue
+  )
+  add_test(NAME univalue_test
+    COMMAND unitester
+  )
+
+  add_executable(object test/object.cpp)
+  target_link_libraries(object
+    PRIVATE
+      core_interface
+      univalue
+  )
+  add_test(NAME univalue_object_test
+    COMMAND object
+  )
+endif()