Add basic framework for mixed frequency output test #135

# to view logs

	name: build-test-XIOS

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	build_test:
	name: build test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	version: [XIOS/trunk@2252, XIOS2/trunk, XIOS3/trunk]
	steps:
	# Check out repository branch
	- uses: actions/checkout@v4
	- name: Install dependencies
	run: \|
	sudo apt update
	sudo apt -yq install subversion
	sudo apt -yq install $(<dependencies)
	- name: clone and build XIOS
	run: \|
	svn co http://forge.ipsl.jussieu.fr/ioserver/svn/${{ matrix.version }} XIOS
	cp arch/* XIOS/arch/
	cd XIOS
	if [ ${{ matrix.version }} == 'XIOS3/trunk' ]; then
	patch -p0 < ../patches/xios3/revert_svn2517_transport.patch
	sed -i 's/<variable_group id="parameters" >/<variable_group id="parameters" > <variable id="transport_protocol" type="string" >p2p<\/variable>/g' generic_testcase/iodef.xml
	cat generic_testcase/iodef.xml
	fi
	./make_xios --job 2 --arch GCC_LINUX_APT --debug
	cd ..
	shell: bash
	- name: run generic
	run: \|
	cd XIOS/generic_testcase
	ln -s ../bin/generic_testcase.exe
	ln -s ../bin/xios_server.exe
	sed -i 's/nb_proc_atm=4/nb_proc_atm=1/g' param.def
	mpiexec -n 1 ./generic_testcase.exe : -n 1 ./xios_server.exe
	cd ../..
	- name: run resample example
	run: \|
	. arch/arch-GCC_LINUX_APT.env
	. arch/arch-GCC_LINUX_APT.path
	export XIOS_BINDIR=$PWD/XIOS/bin
	export XIOS_INCDIR=$PWD/XIOS/inc
	export XIOS_LIBDIR=$PWD/XIOS/lib

	export MVER=${{ matrix.version }}
	export MPI_FLAVOUR='openmpi'

	python3 -m unittest discover -v -s xios_examples

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