add ctest as test driver

* add `enable_testing()` in top level CMakeLists to discover tests
* add `add_test` for both unit tests as well as integration tests with
  prefixing the tests with the corresponding test type

CMakeLists.txt

@@ -1,4 +1,5 @@
 cmake_minimum_required (VERSION 3.22)
+enable_testing()
 
 set (CMAKE_EXPORT_COMPILE_COMMANDS ON)
 

test/CMakeLists.txt

@@ -51,10 +51,6 @@ set (test_SRCS
   view.test.cpp
   )
 
-add_custom_target (test ./run_all --verbose
-                        DEPENDS ${test_SRCS} task_executable
-                        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/test)
-
 add_custom_target (build_tests DEPENDS ${test_SRCS}
                                WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/test)
 
@@ -71,6 +67,11 @@ foreach (src_FILE ${test_SRCS})
                      ./${src_FILE}
                      DEPENDS ${src_FILE}
                      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/test)
+
+  add_test(NAME unittest_${src_FILE}
+    COMMAND ${src_FILE}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+    )
 endforeach (src_FILE)
 
 configure_file(run_all run_all COPYONLY)
@@ -211,6 +212,11 @@ foreach (python_Test ${pythonTests})
                      ./${python_Test}
                      DEPENDS ${python_Test}
                      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/test)
+
+  add_test(NAME integrationtest_${python_Test}
+    COMMAND ${Python_EXECUTABLE} ${python_Test}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+    )
 endforeach(python_Test)
 
 #SET(CMAKE_BUILD_TYPE gcov)