Cleanup. (#132)

- Split the large CMakeList.
- Remove travis
- Remove gitlab-ci.yml

cmake/ftxui_test.cmake

@@ -0,0 +1,47 @@
+enable_testing()
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+
+set(FETCHCONTENT_UPDATES_DISCONNECTED TRUE)
+include(FetchContent)
+
+FetchContent_Declare( googletest
+  GIT_REPOSITORY "https://github.com/google/googletest"
+  GIT_TAG        23ef29555ef4789f555f1ba8c51b4c52975f0907
+)
+FetchContent_MakeAvailable(googletest)
+
+add_executable(tests
+  src/ftxui/component/component_test.cpp
+  src/ftxui/component/container_test.cpp
+  src/ftxui/component/input_test.cpp
+  src/ftxui/component/radiobox_test.cpp
+  src/ftxui/component/receiver_test.cpp
+  src/ftxui/component/screen_interactive_test.cpp
+  src/ftxui/component/terminal_input_parser_test.cpp
+  src/ftxui/component/toggle_test.cpp
+  src/ftxui/dom/gauge_test.cpp
+  src/ftxui/dom/hbox_test.cpp
+  src/ftxui/dom/text_test.cpp
+  src/ftxui/dom/vbox_test.cpp
+)
+
+target_link_libraries(tests
+  PRIVATE component
+  PRIVATE gtest
+  PRIVATE gmock
+  PRIVATE gtest_main
+)
+target_include_directories(tests
+  PRIVATE src
+)
+target_compile_options(tests PRIVATE -fsanitize=address)
+target_link_libraries(tests PRIVATE -fsanitize=address)
+set_property(TARGET tests PROPERTY CXX_STANDARD 17)
+
+if (NOT MSVC)
+  include(cmake/ftxui_benchmark.cmake)
+endif()
+
+if (FTXUI_BUILD_TESTS_FUZZER)
+  include(cmake/ftxui_fuzzer.cmake)
+endif()