[cmake] Allow to enable / disable tests

CMakeLists.txt

@@ -9,6 +9,7 @@ option(LIBREMIDI_NO_JACK "Disable JACK back-end" OFF)
 option(LIBREMIDI_NO_ALSA "Disable ALSA back-end" OFF)
 option(LIBREMIDI_NO_EXPORTS "Disable dynamic symbol exporting" OFF)
 option(LIBREMIDI_EXAMPLES "Enable examples" OFF)
+option(LIBREMIDI_TESTS "Enable tests" ON)
 
 include(CheckSymbolExists)
 include(CheckCXXSourceCompiles)
@@ -225,35 +226,37 @@ if(LIBREMIDI_EXAMPLES)
   endif()
 endif()
 
-find_package(Catch2 QUIET)
-if(TARGET Catch2::Catch2WithMain AND Catch2_FOUND)
-  message(STATUS "libremidi : compiling tests")
-  target_compile_features(libremidi ${_public} cxx_std_20)
+if(LIBREMIDI_TESTS)
+  find_package(Catch2 QUIET)
+  if(TARGET Catch2::Catch2WithMain AND Catch2_FOUND)
+    message(STATUS "libremidi : compiling tests")
+    target_compile_features(libremidi ${_public} cxx_std_20)
 
-  add_executable(midiin_test tests/unit/midi_in.cpp)
-  target_link_libraries(midiin_test PRIVATE libremidi Catch2::Catch2WithMain)
+    add_executable(midiin_test tests/unit/midi_in.cpp)
+    target_link_libraries(midiin_test PRIVATE libremidi Catch2::Catch2WithMain)
 
-  add_executable(midiout_test tests/unit/midi_out.cpp)
-  target_link_libraries(midiout_test PRIVATE libremidi Catch2::Catch2WithMain)
+    add_executable(midiout_test tests/unit/midi_out.cpp)
+    target_link_libraries(midiout_test PRIVATE libremidi Catch2::Catch2WithMain)
 
-  add_executable(midifile_read_test tests/unit/midifile_read.cpp)
-  target_link_libraries(midifile_read_test PRIVATE libremidi Catch2::Catch2WithMain)
-  target_compile_definitions(midifile_read_test PRIVATE "LIBREMIDI_TEST_CORPUS=\"${CMAKE_CURRENT_SOURCE_DIR}/tests/corpus\"")
+    add_executable(midifile_read_test tests/unit/midifile_read.cpp)
+    target_link_libraries(midifile_read_test PRIVATE libremidi Catch2::Catch2WithMain)
+    target_compile_definitions(midifile_read_test PRIVATE "LIBREMIDI_TEST_CORPUS=\"${CMAKE_CURRENT_SOURCE_DIR}/tests/corpus\"")
 
-  add_executable(midifile_write_test tests/unit/midifile_write.cpp)
-  target_link_libraries(midifile_write_test PRIVATE libremidi Catch2::Catch2WithMain)
-  target_compile_definitions(midifile_write_test PRIVATE "LIBREMIDI_TEST_CORPUS=\"${CMAKE_CURRENT_SOURCE_DIR}/tests/corpus\"")
+    add_executable(midifile_write_test tests/unit/midifile_write.cpp)
+    target_link_libraries(midifile_write_test PRIVATE libremidi Catch2::Catch2WithMain)
+    target_compile_definitions(midifile_write_test PRIVATE "LIBREMIDI_TEST_CORPUS=\"${CMAKE_CURRENT_SOURCE_DIR}/tests/corpus\"")
 
-  add_executable(midifile_write_tracks_test tests/integration/midifile_write_tracks.cpp)
-  target_link_libraries(midifile_write_tracks_test PRIVATE libremidi Catch2::Catch2WithMain)
+    add_executable(midifile_write_tracks_test tests/integration/midifile_write_tracks.cpp)
+    target_link_libraries(midifile_write_tracks_test PRIVATE libremidi Catch2::Catch2WithMain)
 
-  include(CTest)
-  include(Catch)
-  catch_discover_tests(midiin_test)
-  catch_discover_tests(midiout_test)
-  catch_discover_tests(midifile_read_test)
-  catch_discover_tests(midifile_write_test)
-  catch_discover_tests(midifile_write_tracks_test)
-else()
-  message(STATUS "libremidi : not compiling tests")
+    include(CTest)
+    include(Catch)
+    catch_discover_tests(midiin_test)
+    catch_discover_tests(midiout_test)
+    catch_discover_tests(midifile_read_test)
+    catch_discover_tests(midifile_write_test)
+    catch_discover_tests(midifile_write_tracks_test)
+  else()
+    message(STATUS "libremidi : not compiling tests")
+  endif()
 endif()