Make sure to update test files (#270)

Author: Barthelemy

Framework/CMakeLists.txt

@@ -334,7 +334,7 @@ install(
         "${CMAKE_CURRENT_BINARY_DIR}/cmake/QualityControlConfigVersion.cmake"
   DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/QualityControl)
 
-# ---- Extra scripts ----
+# ---- Install config files and scripts ----
 
 install(FILES example-default.json
               alfa.json
@@ -357,7 +357,28 @@ install(PROGRAMS script/RepoCleaner/1_per_hour.py script/RepoCleaner/Ccdb.py scr
                  script/o2-qc-database-setup.sh
         DESTINATION bin)
 
-file(COPY test/testSharedConfig.json test/testWorkflow.json
-     DESTINATION ${CMAKE_BINARY_DIR}/tests/)
+# ---- Copy test files ----
+#
+# Using file(COPY is wrong because cmake will not detect when the files are modified.
+# Using install is also wrong because we don't want to install nor package the test files.
+# The solution is this ugly piece of cmake code.
+
+set(TEST_FILES
+  "testSharedConfig.json"
+  "testWorkflow.json")
+set(TEST_FILES_PREFIXED ${TEST_FILES})
+list(TRANSFORM TEST_FILES_PREFIXED PREPEND ${CMAKE_BINARY_DIR}/tests/)
+
+foreach(test_file ${TEST_FILES})
+  message("**** ${test_file}")
+  add_custom_command(
+    OUTPUT ${CMAKE_BINARY_DIR}/tests/${test_file}
+    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/test/${test_file}
+                                     ${CMAKE_BINARY_DIR}/tests/${test_file}
+    MAIN_DEPENDENCY ${CMAKE_CURRENT_SOURCE_DIR}/test/${test_file}
+    COMMENT "Copying ${test_file}")
+endforeach()
 
-file(COPY streamerinfos.root streamerinfos_v017.root DESTINATION ${CMAKE_BINARY_DIR}/etc/)
+add_custom_target(copy_test_files ALL
+  DEPENDS ${TEST_FILES_PREFIXED}
+  )