cmake: add unittests to ctest

Author: liushuyu

CMakeLists.txt

@@ -81,6 +81,10 @@ if (BUILD_GIMP_GPL)
     set(GIMP_PALETTE_DIR ${CMAKE_INSTALL_DATADIR}/gimp/2.0/palettes CACHE STRING "Directory to place GIMP palettes")
 endif()
 
+if (BUILD_TESTS)
+    enable_testing()
+endif()
+
 # External
 option(SYSTEM_NBTP "Use system nbtp" ON)
 if (${SYSTEM_NBTP})

src/CMakeLists.txt

@@ -65,3 +65,15 @@ foreach (PROGRAM IN LISTS PROGRAMS)
 endforeach ()
 
 add_subdirectory(tests)
+
+if (BUILD_TESTS)
+    find_package(Python3 COMPONENTS Interpreter REQUIRED)
+    file(GLOB TEST_FIXURES LIST_DIRECTORIES false "${CMAKE_CURRENT_SOURCE_DIR}/../test-images/*.json")
+    foreach(TEST_FIXURE IN LISTS TEST_FIXURES)
+        if ("${TEST_FIXURE}" MATCHES "([^/]+)\\.json")
+            add_test(NAME "${CMAKE_MATCH_1}"
+                COMMAND "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/../test-images/verify.py" "$<TARGET_FILE:minemap>" "${TEST_FIXURE}"
+            )
+        endif ()
+    endforeach()
+endif ()