testHarness: modifications for running the tests in parallel

CMakeLists.txt

@@ -40,6 +40,13 @@ PROJECT(foam-extend-3.2)
 
 #-----------------------------------------------------------------------------
 # Initialization of CTest specific variables
+#
+## Run ctest in parallel if environment variable WM_NCOMPPROCS is set
+IF (NOT $ENV{WM_NCOMPPROCS} STREQUAL "")
+    # Will run ctest in parallel over $WM_NCOMPPROCS processors
+    set(CMAKE_CTEST_COMMAND ${CMAKE_CTEST_COMMAND} --parallel $ENV{WM_NCOMPPROCS})
+    MESSAGE("Running tests in parallel using $ENV{WM_NCOMPPROCS} processors")
+ENDIF ()
 
 # Initialize the site name
 
@@ -272,11 +279,6 @@ IF(BUILD_TESTING)
     #
     INCLUDE($ENV{FOAM_TEST_HARNESS_DIR}/CMakeFiles/FOAM_Tutorials.cmake)
 
-    # Add a dummy test (/bin/true, just for debugging)
-    ADD_TEST(
-        foam-extend-$ENV{WM_PROJECT_VERSION}_Dummy_Test true
-    )
-
     IF(RUN_FROM_ONE_TIMESTEP)
         # Modify the cases controlDict file in order to run for only one time step
         MESSAGE("${testRunTimeDirectory}: Modifying the controlDict files for running only one time step in directory: ${TEST_CASE_DIR}")

bin/tools/RunFunctions

@@ -89,7 +89,27 @@ runParallel ()
 compileApplication ()
 {
     echo "Compiling $1 application"
+
+    if ! [ -x "$(command -v lockfile)" ]; then
+        # Missing lockfile command. Tough luck.
+        # Without a proper lockfile command, we cannot properly serialize
+        # wmake commands. Some tutorials might fail when many are run
+        # simultaneously, and some of them depend on the compilation of a
+        # common application.
+        echo "Warning: Missing lockfile command. Your compilation may fail."
         wmake $1
+    else
+        # We make sure to serialize the compilation in case we are called simultaneously
+        lockFilename="./compileApplication.lock"
+        if [ -d "$1" ]; then
+            lockFilename=$1/$lockFilename
+        fi
+
+        # We wait for the lock release at most 10 x 10 seconds = 100 seconds
+        lockfile -10 -r 10 $lockFilename
+        wmake $1
+        rm -rf $lockFilename
+    fi
 }
 
 compileLibrary ()

testHarness/foam-extend/3.2/CMakeFiles/CMakeLists.txt

@@ -40,6 +40,13 @@ PROJECT(foam-extend-3.2)
 
 #-----------------------------------------------------------------------------
 # Initialization of CTest specific variables
+#
+## Run ctest in parallel if environment variable WM_NCOMPPROCS is set
+IF (NOT $ENV{WM_NCOMPPROCS} STREQUAL "")
+    # Will run ctest in parallel over $WM_NCOMPPROCS processors
+    set(CMAKE_CTEST_COMMAND ${CMAKE_CTEST_COMMAND} --parallel $ENV{WM_NCOMPPROCS})
+    MESSAGE("Running tests in parallel using $ENV{WM_NCOMPPROCS} processors")
+ENDIF ()
 
 # Initialize the site name
 
@@ -272,11 +279,6 @@ IF(BUILD_TESTING)
     #
     INCLUDE($ENV{FOAM_TEST_HARNESS_DIR}/CMakeFiles/FOAM_Tutorials.cmake)
 
-    # Add a dummy test (/bin/true, just for debugging)
-    ADD_TEST(
-        foam-extend-$ENV{WM_PROJECT_VERSION}_Dummy_Test true
-    )
-
     IF(RUN_FROM_ONE_TIMESTEP)
         # Modify the cases controlDict file in order to run for only one time step
         MESSAGE("${testRunTimeDirectory}: Modifying the controlDict files for running only one time step in directory: ${TEST_CASE_DIR}")

testHarness/foam-extend/3.2/CMakeFiles/FOAM_Tutorials.cmake

@@ -64,8 +64,17 @@ EXECUTE_PROCESS(
 #
 
 #First, add a global cleanup of the cases
-SET(testId "Allclean_cases${testIdSuffix}")
+#This will always run and complete first, even in paralel
-ADD_TEST(${testId} bash -c "cd ${TEST_CASE_DIR}; ./Allclean")
+SET(cleanCasesTestId "Allclean_cases${testIdSuffix}")
+ADD_TEST(${cleanCasesTestId} bash -c "cd ${TEST_CASE_DIR}; ./Allclean")
+
+# Add a dummy test (/bin/true, just for debugging)
+SET(dummyTestId "foam-extend-$ENV{WM_PROJECT_VERSION}_Dummy_Test")
+ADD_TEST(${dummyTestId} true)
+
+# Add a dependency on the global clean-up target, even for the dummy test
+SET_TESTS_PROPERTIES(${dummyTestId} PROPERTIES DEPENDS ${cleanCasesTestId})
+
 
 # Next, recurse through the test cases root directory,
 # find all the Allrun files, and add them as a new CTest test case
@@ -90,6 +99,11 @@ FOREACH(caseWithAllrun ${listofCasesWithAllrun})
     # Add the test to the test harness
     MESSAGE("Adding test: ${testId}")
     ADD_TEST(${testId} bash -c "cd ${thisCasePath}; ./Allrun")
+
+    # Add a dependency on the global clean-up target
+    # When running in parallel, you need to wait for the cleanup to finish first
+    SET_TESTS_PROPERTIES(${testId} PROPERTIES DEPENDS ${cleanCasesTestId})
+
     # Use this following entry instead for testing purpose
     #ADD_TEST(${testId} bash -c "cd ${thisCasePath}; true")