simple MPI test for testing the autocmake

- code reviewer's comments included

.travis.yml

@@ -1,6 +1,6 @@
 language: cpp
 install:
-  - sudo apt-get install g++ cmake gfortran libblas-dev liblapack-dev
+  - sudo apt-get install g++ cmake gfortran libblas-dev liblapack-dev openmpi-bin libopenmpi-dev
   - sudo pip install pytest pep8
 script:
   - pep8 --ignore=E501 update.py

test/fc_mpi/cmake/autocmake.cfg

@@ -0,0 +1,17 @@
+[project]
+name: example
+
+[fc]
+source: ../../../modules/fc.cmake
+
+[mpi]
+source: ../../../modules/mpi.cmake
+
+[int64]
+source: ../../../modules/int64.cmake
+
+[default_build_paths]
+source: ../../../modules/default_build_paths.cmake
+
+[src]
+source: ../../../modules/src.cmake

test/fc_mpi/src/CMakeLists.txt

@@ -0,0 +1,6 @@
+if (MPI_FOUND)
+    add_executable(example example.f90)
+else()
+    message(FATAL "MPI not found!")
+endif()
+

test/fc_mpi/src/example.f90

@@ -0,0 +1,16 @@
+program example
+   use mpi
+   implicit none
+   integer :: ierr, rank, size
+   logical :: test_ok
+   call MPI_INIT(ierr)
+   call MPI_COMM_RANK(MPI_COMM_WORLD, rank, ierr)
+   call MPI_COMM_SIZE(MPI_COMM_WORLD, size, ierr)
+   call MPI_FINALIZE(ierr)
+   test_ok=(size==2.and.(rank==0.or.rank==1))
+   if (test_ok) then
+      if (rank == 0) print *,'Test OK!'
+   else
+      stop "test fc_mpi failed!"
+   endif
+end program

test/test.py

@@ -72,7 +72,7 @@ def exe(command):
 # ------------------------------------------------------------------------------
 
 
-def configure_build_and_exe(name, setup_command):
+def configure_build_and_exe(name, setup_command, launcher=None):
 
     stamp = datetime.datetime.fromtimestamp(time.time()).strftime('%Y-%m-%d-%H-%M-%S')
 
@@ -97,10 +97,16 @@ def configure_build_and_exe(name, setup_command):
 
     if sys.platform == 'win32':
         stdout, stderr = exe('mingw32-make')
-        stdout, stderr = exe('bin\\\example.exe')
+        if (launcher):
+            stdout, stderr = exe(launcher + ' bin\\\example.exe')
+        else:
+            stdout, stderr = exe('bin\\\example.exe')
     else:
         stdout, stderr = exe('make')
-        stdout, stderr = exe('./bin/example')
+        if (launcher):
+            stdout, stderr = exe(launcher + ' ./bin/example')
+        else:
+            stdout, stderr = exe('./bin/example')
 
     return stdout, stderr
 
@@ -142,6 +148,14 @@ def test_fc_int64():
     stdout, stderr = configure_build_and_exe('fc_int64', 'python setup.py --fc=gfortran --int64')
     assert 'test_int64 ok' in stdout
 
+
+def test_fc_mpi():
+    if sys.platform != 'win32':
+        stdout, stderr = configure_build_and_exe('fc_mpi', 'python setup.py --mpi --fc=mpif90', 'mpirun -np 2')
+        assert 'Test OK!' in stdout
+    else:
+        pass
+
 # ------------------------------------------------------------------------------