From 4ad6c2ab4dc19aeffef3d40ae3f813ba9ee41a4a Mon Sep 17 00:00:00 2001
From: Dimitri van Heesch <doxygen@gmail.com>
Date: Sun, 2 Aug 2020 12:13:19 +0200
Subject: Enable running tests in parallel using cmake's ctest.

---
 testing/CMakeLists.txt | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/testing/CMakeLists.txt b/testing/CMakeLists.txt
index 40cb40b..6c0a338 100644
--- a/testing/CMakeLists.txt
+++ b/testing/CMakeLists.txt
@@ -1,9 +1,20 @@
+# run all tests sequentially (keep for backward compatibilty)
 add_custom_target(tests
          COMMENT "Running doxygen tests..."
 	 COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/testing/runtests.py --doxygen ${PROJECT_BINARY_DIR}/bin/doxygen --inputdir ${CMAKE_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
          DEPENDS doxygen
 )
-add_test(NAME suite
-	COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/testing/runtests.py --doxygen $<TARGET_FILE:doxygen> --inputdir ${CMAKE_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
-)
 
+# get the files in the testing directory starting with 3 digits and an underscore
+file(GLOB TEST_FILES "${CMAKE_CURRENT_SOURCE_DIR}/[0-9][0-9][0-9]_*.*")
+
+foreach(TEST_FILE ${TEST_FILES})
+	# extract the test name from the file name (3 digit excluding trailing zeros)
+	string(REGEX REPLACE "^.*/([0-9][0-9][0-9]*.*)\\.[^.]*$" "\\1" TEST_NAME "${TEST_FILE}")
+	# extract the test id from the file name
+	string(REGEX REPLACE "^.*/0?0?([1-9][0-9]*).*$" "\\1" TEST_ID "${TEST_FILE}")
+	# add a test target for each test
+	add_test(NAME ${TEST_NAME}
+		 COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/testing/runtests.py --id ${TEST_ID} --doxygen $<TARGET_FILE:doxygen> --inputdir ${CMAKE_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
+	)
+endforeach()
-- 
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