Disable testing if QtTest is not found.

REVIEW: 117393

CMakeLists.txt

@@ -14,23 +14,33 @@ include(GenerateExportHeader)
 # where to look first for cmake modules, before ${CMAKE_ROOT}/Modules/ is checked
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 
-include(KDEInstallDirs)
-include(KDECMakeSettings)
-include(KDECompilerSettings)
-
-include(ECMInstallIcons)
-
 find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
     Concurrent
     Core
     DBus
     Quick
     Script
-    Test
     UiTools
     Widgets
     X11Extras
 )
+
+find_package(Qt5Test ${QT_MIN_VERSION} CONFIG QUIET)
+set_package_properties(Qt5Test PROPERTIES
+         PURPOSE "Required for tests"
+         TYPE OPTIONAL
+         )
+add_feature_info("Qt5Test" Qt5Test_FOUND "Required for building tests")
+if (NOT Qt5Test_FOUND)
+    set(BUILD_TESTING OFF CACHE BOOL "Build the testing tree.")
+endif()
+
+include(KDEInstallDirs)
+include(KDECMakeSettings)
+include(KDECompilerSettings)
+
+include(ECMInstallIcons)
+
 add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0)
 
 find_package(Qt5Multimedia QUIET)

kcmkwin/kwincompositing/CMakeLists.txt

@@ -52,6 +52,7 @@ qt5_add_dbus_interface( modelTest_SRC
   ${KWIN_SOURCE_DIR}/org.kde.kwin.Effects.xml kwin_effects_interface)
 
 add_executable(effectModelTest ${modelTest_SRC})
+ecm_mark_as_test(effectModelTest)
 
 target_link_libraries(effectModelTest
     Qt5::Quick