From 74b371ad1d556f7269e29005942f24403730d73c Mon Sep 17 00:00:00 2001
From: Matthias Maier <tamiko@43-1.org>
Date: Thu, 10 Feb 2022 04:13:33 -0600
Subject: [PATCH] CMake: implement support for ".run_only" file extension

---
 cmake/macros/macro_deal_ii_add_test.cmake     | 59 +++++++++++++------
 cmake/macros/macro_deal_ii_pickup_tests.cmake |  2 +-
 2 files changed, 41 insertions(+), 20 deletions(-)

diff --git a/cmake/macros/macro_deal_ii_add_test.cmake b/cmake/macros/macro_deal_ii_add_test.cmake
index c44ef0cd83..df4319773f 100644
--- a/cmake/macros/macro_deal_ii_add_test.cmake
+++ b/cmake/macros/macro_deal_ii_add_test.cmake
@@ -189,6 +189,14 @@ FUNCTION(DEAL_II_ADD_TEST _category _test_name _comparison_file)
     STRING(TOUPPER ${_expect} _expect)
   ENDIF()
 
+  #
+  # Determine whether the .run_only keyword is present:
+  #
+  SET(_run_only FALSE)
+  IF(_file MATCHES "\\.run_only$")
+    SET(_run_only TRUE)
+  ENDIF()
+
   #
   # Determine for which build types a test should be defined.
   #
@@ -393,27 +401,40 @@ FUNCTION(DEAL_II_ADD_TEST _category _test_name _comparison_file)
         VERBATIM
         )
 
-      FILE(GLOB _comparison_files ${_comparison_file} ${_comparison_file}.*)
+      IF(_run_only)
+        ADD_CUSTOM_TARGET(${_test_target}
+          COMMAND echo "${_test_full}: BUILD successful."
+          COMMAND echo "${_test_full}: RUN successful."
+          COMMAND echo "${_test_full}: DIFF skipped."
+          COMMAND echo "${_test_full}: PASSED."
+          DEPENDS ${_test_directory}/output
+          )
 
-      ADD_CUSTOM_COMMAND(OUTPUT ${_test_directory}/diff
-        COMMAND sh ${DEAL_II_PATH}/${DEAL_II_SHARE_RELDIR}/scripts/run_test.sh
-          diff "${_test_full}" "${NUMDIFF_EXECUTABLE}"
-          "${_comparison_file}" ${_run_args}
-        WORKING_DIRECTORY
-          ${_test_directory}
-        DEPENDS
-          ${_test_directory}/output
-          ${_comparison_files}
-        VERBATIM
-        )
+      ELSE()
 
-      ADD_CUSTOM_TARGET(${_test_target}
-        COMMAND echo "${_test_full}: BUILD successful."
-        COMMAND echo "${_test_full}: RUN successful."
-        COMMAND echo "${_test_full}: DIFF successful."
-        COMMAND echo "${_test_full}: PASSED."
-        DEPENDS ${_test_directory}/diff
-        )
+        FILE(GLOB _comparison_files ${_comparison_file} ${_comparison_file}.*)
+
+        ADD_CUSTOM_COMMAND(OUTPUT ${_test_directory}/diff
+          COMMAND sh ${DEAL_II_PATH}/${DEAL_II_SHARE_RELDIR}/scripts/run_test.sh
+            diff "${_test_full}" "${NUMDIFF_EXECUTABLE}"
+            "${_comparison_file}" ${_run_args}
+          WORKING_DIRECTORY
+            ${_test_directory}
+          DEPENDS
+            ${_test_directory}/output
+            ${_comparison_files}
+          VERBATIM
+          )
+
+        ADD_CUSTOM_TARGET(${_test_target}
+          COMMAND echo "${_test_full}: BUILD successful."
+          COMMAND echo "${_test_full}: RUN successful."
+          COMMAND echo "${_test_full}: DIFF successful."
+          COMMAND echo "${_test_full}: PASSED."
+          DEPENDS ${_test_directory}/diff
+          )
+
+      ENDIF()
 
       #
       # And finally define the test:
diff --git a/cmake/macros/macro_deal_ii_pickup_tests.cmake b/cmake/macros/macro_deal_ii_pickup_tests.cmake
index 4401839a1c..be45591131 100644
--- a/cmake/macros/macro_deal_ii_pickup_tests.cmake
+++ b/cmake/macros/macro_deal_ii_pickup_tests.cmake
@@ -212,7 +212,7 @@ MACRO(DEAL_II_PICKUP_TESTS)
 
   SET(DEAL_II_SOURCE_DIR) # avoid a bogus warning
 
-  FILE(GLOB _tests "*.output")
+  FILE(GLOB _tests "*.output" "*.run_only")
   FOREACH(_test ${_tests})
     SET(_comparison ${_test})
     GET_FILENAME_COMPONENT(_test ${_test} NAME)
-- 
2.39.5