COMP: Conditionally add DICOMWidgets tests depending on CTKData_DIR

Libs/DICOM/Widgets/Testing/Cpp/CMakeLists.txt

@@ -28,11 +28,7 @@ target_link_libraries(${KIT}CppTests ${LIBRARY_NAME})
 # Add Tests
 #
 
-SIMPLE_TEST(ctkDICOMAppWidgetTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD)
-SIMPLE_TEST(ctkDICOMBrowserTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD)
-SIMPLE_TEST(ctkDICOMItemViewTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD/000055.IMA)
 SIMPLE_TEST(ctkDICOMDirectoryListWidgetTest1)
-SIMPLE_TEST(ctkDICOMImageTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD/000055.IMA)
 SIMPLE_TEST(ctkDICOMImportWidgetTest1)
 SIMPLE_TEST(ctkDICOMListenerWidgetTest1)
 SIMPLE_TEST(ctkDICOMModelTest2
@@ -41,4 +37,17 @@ SIMPLE_TEST(ctkDICOMModelTest2
   )
 SIMPLE_TEST(ctkDICOMQueryRetrieveWidgetTest1)
 SIMPLE_TEST(ctkDICOMQueryResultsTabWidgetTest1)
-SIMPLE_TEST(ctkDICOMThumbnailListWidgetTest1 ${CMAKE_CURRENT_BINARY_DIR}/dicom.db ${CMAKE_CURRENT_SOURCE_DIR}/../../../Core/Resources/dicom-sample.sql)
+SIMPLE_TEST(ctkDICOMThumbnailListWidgetTest1
+  ${CMAKE_CURRENT_BINARY_DIR}/dicom.db
+  ${CMAKE_CURRENT_SOURCE_DIR}/../../../Core/Resources/dicom-sample.sql
+  )
+
+#
+# Add Tests expecting CTKData to be set
+#
+if(EXISTS "${CTKData_DIR}")
+  SIMPLE_TEST(ctkDICOMAppWidgetTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD)
+  SIMPLE_TEST(ctkDICOMBrowserTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD)
+  SIMPLE_TEST(ctkDICOMItemViewTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD/000055.IMA)
+  SIMPLE_TEST(ctkDICOMImageTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD/000055.IMA)
+endif()