.travis.yml

# Travis configuration
#
# Note: building Fortran code is not supported (yet): see https://docs.travis-ci.com/user/language-specific/
#       this is using C as a base and installs gfortran in the test environment

language: c
dist: bionic
os: linux

arch:
  - ppc64le  # IBM Power
#  - amd64    # travis default
#  - arm64    # ARM

compiler: gcc

# deprecated
#sudo: required

env:
  global:
    - FC=gfortran
    - MPIFC=mpif90
    - CC=gcc
    - OMP_NUM_THREADS=2
    - WORKDIR=`pwd`

  matrix:
    # for test cases, we use
    #   TESTID       - identification number for test
    #   TESTDIR      - test directory id
    #   TESTFLAGS    - flags used for configuration
    #   TESTCOV      - determines whether or not (0/1) code coverage flags are used
    #   CUDA         - flag for compilation with CUDA    

    # code coverage: mpi, using code coverage flags
    - TESTID=0 TESTCOV=1 TESTDIR=22 TESTFLAGS="--with-mpi" CUDA=false

    # code coverage: mpi, using code coverage flags
    - TESTID=1 TESTCOV=1 TESTDIR=1 TESTFLAGS="--with-mpi" CUDA=false

    # code coverage: mpi, using code coverage flags, additional tests
    - TESTID=2 TESTCOV=1 TESTDIR=2 TESTFLAGS="--with-mpi" CUDA=false

    # code coverage: serial/no mpi, using code coverage flags
    - TESTID=3 TESTCOV=1 TESTDIR=5 TESTFLAGS="--without-mpi" CUDA=false

    # default test with make tests -- offline, checked on github
    #- TESTID=4 TESTCOV=0 TESTDIR=0 TESTFLAGS="" CUDA=false

    # default example (elastic)
    - TESTID=5 TESTCOV=0 TESTDIR=1 TESTFLAGS="" CUDA=false

    # example 2 (acoustic)
    - TESTID=6 TESTCOV=0 TESTDIR=2 TESTFLAGS="" CUDA=false

    # example 3 (poroelastic) -- offline, checked on github
    #- TESTID=7 TESTCOV=0 TESTDIR=3 TESTFLAGS="--with-mpi" CUDA=false

    # example 4 (simple model, internal mesher) -- offline, checked on github
    #- TESTID=8 TESTCOV=0 TESTDIR=4 TESTFLAGS="--with-mpi" CUDA=false

    # serial example (acoustic)
    - TESTID=9 TESTCOV=0 TESTDIR=5 TESTFLAGS="--without-mpi" CUDA=false

    # debug & double precision (acoustic)
    - TESTID=10 TESTCOV=0 TESTDIR=6 TESTFLAGS="--enable-double-precision --enable-debug" CUDA=false

    # debug with bounds-check (elastic)
    - TESTID=11 TESTCOV=0 TESTDIR=7 TESTFLAGS="--enable-debug" CUDA=false

    # PML example (acoustic) -- offline, checked on github
    #- TESTID=12 TESTCOV=0 TESTDIR=8 TESTFLAGS="--with-mpi" CUDA=false

    # PML example (elastic) -- offline, checked on github
    #- TESTID=13 TESTCOV=0 TESTDIR=9 TESTFLAGS="--with-mpi" CUDA=false

    # noise example
    - TESTID=14 TESTCOV=0 TESTDIR=10 TESTFLAGS="--with-mpi" CUDA=false

    # tomographic model example -- offline, checked on github
    #- TESTID=15 TESTCOV=0 TESTDIR=11 TESTFLAGS="--with-mpi" CUDA=false

    # acoustic kernel example
    - TESTID=16 TESTCOV=0 TESTDIR=12 TESTFLAGS="--with-mpi" CUDA=false

    # waterlayered example -- offline, checked on github
    #- TESTID=17 TESTCOV=0 TESTDIR=13 TESTFLAGS="--with-mpi" CUDA=false

    # elastic example, hex27, compilation w/ CUDA and MPI
    - TESTID=18 TESTCOV=0 TESTDIR=14 TESTFLAGS="--with-cuda=cuda5 --with-mpi" CUDA=true

    # acoustic example, compilation w/ CUDA
    - TESTID=19 TESTCOV=0 TESTDIR=15 TESTFLAGS="--with-cuda=cuda5 --without-mpi" CUDA=true

    # fault example tpv5 -- offline, checked on github
    #- TESTID=20 TESTCOV=0 TESTDIR=16 TESTFLAGS="--with-mpi" CUDA=false

    # socal example -- offline, checked on github
    #- TESTID=21 TESTCOV=0 TESTDIR=17 TESTFLAGS="--with-mpi" CUDA=false

    # socal example w/ 1d_socal -- offline, checked on github
    #- TESTID=22 TESTCOV=0 TESTDIR=17 TESTFLAGS="--with-mpi" CUDA=false

    # socal example w/ 1d_prem -- offline, checked on github
    #- TESTID=23 TESTCOV=0 TESTDIR=17 TESTFLAGS="--with-mpi" CUDA=false

    # socal example w/ 1d_cascadia -- offline, checked on github
    #- TESTID=24 TESTCOV=0 TESTDIR=17 TESTFLAGS="--with-mpi" CUDA=false

    # cavity example -- offline, checked on github
    #- TESTID=25 TESTCOV=0 TESTDIR=18 TESTFLAGS="--with-mpi" CUDA=false

    # SEP example -- offline, checked on github
    #- TESTID=26 TESTCOV=0 TESTDIR=19 TESTFLAGS="--with-mpi" CUDA=false

    # couple with FK -- offline, checked on github
    #- TESTID=27 TESTCOV=0 TESTDIR=20 TESTFLAGS="--with-mpi" CUDA=false

    # layered model w/ point force, NGLL = 6 -- offline, checked on github
    #- TESTID=28 TESTCOV=0 TESTDIR=21 TESTFLAGS="--with-mpi" CUDA=false

    # elastic halfspace, no absorbing -- offline, checked on github
    #- TESTID=29 TESTCOV=0 TESTDIR=22 TESTFLAGS="--with-mpi" CUDA=false

    # gmsh example w/ LDDRK
    - TESTID=30 TESTCOV=0 TESTDIR=23 TESTFLAGS="--with-mpi" CUDA=false

    # example with openmp
    - TESTID=31 TESTCOV=0 TESTDIR=24 TESTFLAGS="--enable-vectorization --enable-openmp" CUDA=false

    # regular element mesh w/ external source time function (STF)
    - TESTID=32 TESTCOV=0 TESTDIR=25 TESTFLAGS="--enable-vectorization" CUDA=false

    # adjoint simulation -- offline, checked on github
    #- TESTID=33 TESTCOV=0 TESTDIR=26 TESTFLAGS="--with-mpi" CUDA=false

    # gmsh example w/ hex27
    - TESTID=34 TESTCOV=0 TESTDIR=27 TESTFLAGS="--without-mpi" CUDA=false

    # waterlayered_poroelastic example
    - TESTID=35 TESTCOV=0 TESTDIR=28 TESTFLAGS="--enable-vectorization --with-mpi" CUDA=false

    # inversion example w/ coverage
    - TESTID=36 TESTCOV=1 TESTDIR=29 TESTFLAGS="--with-mpi" CUDA=false

    # LTS example
    - TESTID=37 TESTCOV=0 TESTDIR=30 TESTFLAGS="--enable-vectorization --with-mpi" CUDA=false


# additional ARM tests
jobs:
  include:
  - arch: arm64
    env: TESTID=5 TESTCOV=0 TESTDIR=1 TESTFLAGS="" CUDA=false
  - arch: arm64
    env: TESTID=6 TESTCOV=0 TESTDIR=2 TESTFLAGS="" CUDA=false


before_install:
  # informations on git
  - |
    git --version
    git rev-parse --verify HEAD
    git branch -a

  # checks if changes occurred in folders src/ or setup/
  - |
    echo "request: Branch($TRAVIS_BRANCH) Pull Request($TRAVIS_PULL_REQUEST) Tag($TRAVIS_TAG)"
    echo "commit : Commit($TRAVIS_COMMIT) Range($TRAVIS_COMMIT_RANGE)"

  # checks file changes
  - |
    echo "check file changes"
    if [ "${TRAVIS_PULL_REQUEST}" = "false" ]; then
      # Push
      echo "Push request:"
      COMMIT_RANGE="$(echo ${TRAVIS_COMMIT_RANGE} | cut -d '.' -f 1,4 --output-delimiter '..')"
      DIFF="$(git diff --name-only ${COMMIT_RANGE} --)"
      #DIFF=$(git diff --name-only ${TRAVIS_COMMIT_RANGE})
    else
      # PR build
      echo "Pull request:"
      DIFF=$(git diff --name-only ${TRAVIS_BRANCH}..HEAD --)
    fi
    echo "$DIFF"
    # Escape newlines (replace \n with %0A)
    #NEWDIFF=($( echo "$DIFF" | sed ':a;N;$!ba;s/\n/%0A/g' ))
    #echo "$NEWDIFF"
    #DIFF=$NEWDIFF
    RUN_CHECKS=0
    # Loop by lines
    while read path; do
      # Set $directory to substring before /
      directory="$( echo $path | cut -d'/' -f1 -s )"
      echo "file: $path  - directory: $directory"
      if [ -z "$directory" ]; then
        # root directory
        RUN_CHECKS=1
      elif [ "$directory" == src ]; then
        # src/ directory
        RUN_CHECKS=1
      elif [ "$directory" == setup ]; then
        # setup/ directory
        RUN_CHECKS=1
      elif [ "$directory" == EXAMPLES ]; then
        # EXAMPLES/ directory
        RUN_CHECKS=1
      elif [ "$directory" == tests ]; then
        # tests/ directory
        RUN_CHECKS=1
      elif [ "$directory" == .travis ]; then
        # .travis/ directory
        RUN_CHECKS=1
      fi
    done <<< "$DIFF"
    echo
    echo "run checks: ${RUN_CHECKS}"
    echo
    export RUN_CHECKS=${RUN_CHECKS}
    #abort: if [[ ${RUN_CHECKS} -eq 0 ]]; then echo "nothing to check, exiting..."; exit 1; fi

  # recommended for MPI projects to unset CC: see https://docs.travis-ci.com/user/languages/c
  #- test -n $CC && unset CC

  # updates repository
  # (fails currently...)
  #- |
  #  travis_retry sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 6B05F25D762E3157
  #  travis_retry sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 78BD65473CB3BD13
  #  travis_retry sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 762E3157
  # apt explicit update
  #- |
  #  echo "update apt-get"
  #  travis_retry sudo apt-get update
  #  echo
addons:
  # apt update
  apt:
    update: true

install:
  # installs compilers
  - bash .travis/run_install.sh

script:
  # builds executables
  - bash .travis/run_build.sh

  # runs test examples
  - bash .travis/run_tests.sh


after_success:
  ###########################################################
  # code coverage
  ###########################################################
  - |
    if [ "$TESTCOV" == "1" ]; then
      gcov --version
      echo `pwd`
      ls -al obj/
    fi

  # produces coverage reports (done manually because of different naming for source & object files)
  - |
    if [ "$TESTCOV" == "1" ]; then
      find obj/ -iname '*.o' | sort | awk '{print "gcov -o obj/ "$1;}'
      # executes gcov-commands
      find obj/ -iname '*.o' | sort | awk '{print "gcov -o obj/ "$1;}' | sh
    fi

  # code coverage:
  # see script : https://github.com/codecov/codecov-bash/blob/master/codecov
  # see example: https://github.com/codecov/example-fortran/blob/master/.travis.yml
  - if [ "$TESTCOV" == "1" ]; then bash <(curl -s https://codecov.io/bash) -X gcov; fi