Rebase opt-in fingerprint workaround onto KScreenLocker 6.7.5

plasma-fingerprint-workaround/tests/authentication/CMakeLists.txt

@@ -0,0 +1,32 @@
+cmake_minimum_required(VERSION 3.25)
+project(fingerprintRetryTests LANGUAGES CXX)
+
+# Compile the actual patched upstream classes, but never use the host's PAM
+# configuration or credentials. The test executable supplies a fake PAM API.
+set(KSCREENLOCKER_SOURCE "" CACHE PATH "Extracted, patched KScreenLocker source")
+if(NOT EXISTS "${KSCREENLOCKER_SOURCE}/greeter/pamauthenticator.cpp")
+    message(FATAL_ERROR "Set KSCREENLOCKER_SOURCE to the patched source directory")
+endif()
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_AUTOMOC ON)
+find_package(Qt6 REQUIRED COMPONENTS Core Test)
+find_package(ECM REQUIRED NO_MODULE)
+list(APPEND CMAKE_MODULE_PATH "${ECM_MODULE_PATH}")
+include(ECMQtDeclareLoggingCategory)
+
+set(sources retrytest.cpp
+    ${KSCREENLOCKER_SOURCE}/greeter/pamauthenticator.cpp
+    ${KSCREENLOCKER_SOURCE}/greeter/pamauthenticators.cpp)
+ecm_qt_declare_logging_category(sources
+    HEADER kscreenlocker_greet_logging.h
+    IDENTIFIER KSCREENLOCKER_GREET
+    CATEGORY_NAME kscreenlocker_greet)
+add_executable(retrytest ${sources})
+target_include_directories(retrytest PRIVATE
+    ${CMAKE_CURRENT_BINARY_DIR} ${KSCREENLOCKER_SOURCE}/greeter)
+target_compile_definitions(retrytest PRIVATE HAVE_PAM_FAIL_DELAY)
+target_link_libraries(retrytest PRIVATE Qt6::Core Qt6::Test)
+enable_testing()
+add_test(NAME fingerprint-retry COMMAND retrytest)
+set_tests_properties(fingerprint-retry PROPERTIES TIMEOUT 30)