Adding support for cmake test, breaking tests apart a bit for easier testing

CMakeLists.txt

@@ -44,6 +44,7 @@ set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
 # which point to directories outside the build tree to the install RPATH
 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
 
+enable_testing()
 
 add_subdirectory(daggy)
 add_subdirectory(tests)

tests/CMakeLists.txt

@@ -1,5 +1,4 @@
-project(tests)
-add_executable(tests main.cpp
+add_executable(unit_tests main.cpp
         # unit tests
         unit_dag.cpp
         unit_dagrunner.cpp
@@ -15,4 +14,20 @@ add_executable(tests main.cpp
         # Performance checks
         perf_dag.cpp
         )
-target_link_libraries(tests libdaggy stdc++fs Catch2::Catch2 curl)
+target_link_libraries(unit_tests libdaggy stdc++fs Catch2::Catch2 curl)
+
+add_executable(integration_tests main.cpp
+        # unit tests
+        int_basic.cpp
+        )
+target_link_libraries(integration_tests libdaggy stdc++fs Catch2::Catch2 curl)
+
+add_executable(perf_tests main.cpp
+        # Performance checks
+        perf_dag.cpp
+        )
+target_link_libraries(perf_tests libdaggy stdc++fs Catch2::Catch2 curl)
+
+add_test(UNIT_TESTS ${CMAKE_BINARY_DIR}/tests/unit_tests)
+add_test(INT_TESTS ${CMAKE_BINARY_DIR}/tests/integration_tests)
+add_test(PERF_TESTS ${CMAKE_BINARY_DIR}/tests/perf_tests)