.travis.yml

stages:
  - precache
  - test

language: cpp
os: 
    - linux
dist: xenial
compiler:
    - gcc
env:
    - TEST_SUITE=unit_iles MPI=none 
    - TEST_SUITE=unit_smg MPI=none
    - TEST_SUITE=moist_thermal MPI=none
    - TEST_SUITE=moist_thermal MPI=mvapich2

cache:
  packages: true
  pip: true
  directories:
    - ${TRAVIS_BUILD_DIR}/deps/mvapich2-2.3b
    - ${TRAVIS_BUILD_DIR}/deps/boost
    - ${TRAVIS_BUILD_DIR}/deps/hdf5

# define the precache stage
# empty phases mean that default phases (before_install, install, ...) from the test stage are used (?)
# TODO: precache stage has a lot of unnecessary before_install and install code common to the (default) test stage;
#       add after_success, after_failure to precache, remove building of caches from the test stage, make the build error instead;

# YAML alias for the options common to precache jobs
aliases:
    # YAML alias for the options common to precache jobs
    - &precache_uwlcm_mpi
      stage: precache
      install:
        - . ./.travis_scripts/deps_install/mvapich2.sh
        - . ./.travis_scripts/deps_install/boost.sh
        - . ./.travis_scripts/deps_install/mpi_hdf5.sh
      script: echo "Preparing cache finished"

jobs:
  include:
    - <<: *precache_uwlcm_mpi
      env: TEST_SUITE=moist_thermal MPI=mvapich2

addons:
  apt:
    packages:
#      - g++-6
#libcloudphxx dependencies
      - python3-dev
      - python3-pip
      - python3-six
      - python3-setuptools
      - python3-numpy
      - libblitz0-dev
      - libthrust-dev

    sources: &sources
      - sourceline: 'ppa:rakhimov/boost'
      - ubuntu-toolchain-r-test
#      - llvm-toolchain-xenial

notifications:
  email: false

before_install:
    # define a compiler variable for use in if statements
    - if [[ $TRAVIS_OS_NAME == 'linux' && $CXX == 'g++'     ]]; then export COMPILER=g++; fi

# to avoid python lib/interpreter mismatch; https://github.com/travis-ci/travis-ci/issues/5326
#    - if [[ $TRAVIS_OS_NAME == 'linux' ]]; then export PATH=$(echo $PATH | tr ':' "\n" | sed '/\/opt\/python/d' | tr "\n" ":" | sed "s|::|:|g"); fi
#    - if [[ $TRAVIS_OS_NAME == 'linux' ]]; then sudo add-apt-repository "deb http://us.archive.ubuntu.com/ubuntu/ xenial main universe multiverse restricted"; fi
#    - if [[ $TRAVIS_OS_NAME == 'linux' ]]; then export apt_get_install="apt-get install -t xenial --no-install-recommends -y"; fi
#    - if [[ $TRAVIS_OS_NAME == 'linux' ]]; then sudo apt-get update; fi

    # locally installed stuff comes first
    - export PATH=/usr/local/bin:$PATH

install:
#compiler
#    - if [[ $TRAVIS_OS_NAME == 'linux' && $CXX == 'g++'     ]]; then export CC=gcc-6; fi
#    - if [[ $TRAVIS_OS_NAME == 'linux' && $CXX == 'g++'     ]]; then export CXX=g++-6; fi

    - export apt_get_install="apt-get install -t xenial --no-install-recommends -y"

# cmake 
    - if [[ $TRAVIS_OS_NAME == 'linux' ]]; then wget https://github.com/Kitware/CMake/releases/download/v3.13.2/cmake-3.13.2-Linux-x86_64.sh; fi
    - if [[ $TRAVIS_OS_NAME == 'linux' ]]; then sudo sh cmake-3.13.2-Linux-x86_64.sh --prefix=/usr/local --exclude-subdir; fi

    # order matters!
    - if [[ $MPI != 'none' ]]; then . ./.travis_scripts/deps_install/mvapich2.sh; fi
    - if [[ $MPI != 'none' ]]; then . ./.travis_scripts/deps_install/boost.sh; fi
    - . ./.travis_scripts/deps_install/libmpdata_dependencies.sh # installs mpi-hdf5 if needed

    - sudo -H pip3 install --upgrade pip
    - sudo -H pip3 install -U pytest --ignore-installed six
    - sudo -H pip3 install -U numpy==1.18.5 --ignore-installed six # newer versions require python >= 3.6
    - sudo -H pip3 install -U scipy==1.4.1 six  # ditto

    # boost from a package - only when no MPI
    - if [[ $MPI == 'none' ]]; then sudo $apt_get_install boost1.61; fi
    - if [[ $MPI == 'none' ]]; then sudo ln -s /usr/lib/x86_64-linux-gnu/libboost_python-py35.so /usr/lib/x86_64-linux-gnu/libboost_python3.so; fi # different naming conventions for boost python with python 3

    - sudo $apt_get_install hdf5-tools

before_script:
    - chmod -R +x ./.travis_scripts/*

script:

  # install libcloudphxx in RelWithDebInfo mode
  - cd ..
  - git clone --depth=1 git://github.com/igfuw/libcloudphxx.git
  - cd libcloudphxx
  - mkdir build
  - cd build
  - cmake -DBoost_DEBUG=ON -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=RelWithDebInfo ..
  - make
  - sudo make install
  - cd ../..

  # install libmpdataxx
  - git clone --depth=1 git://github.com/igfuw/libmpdataxx.git
  - cd libmpdataxx/libmpdata++
  - mkdir build
  - cd build
  - cmake -DCMAKE_INSTALL_PREFIX=/usr ..
  - sudo make install
  - cd ../../..

  - cd UWLCM
  # run the unit tests
  - if [[ $TEST_SUITE == 'unit_iles' ]]; then . ./.travis_scripts/unit_iles.sh; fi
  - if [[ $TEST_SUITE == 'unit_smg' ]]; then . ./.travis_scripts/unit_smg.sh; fi
  # run the moist thermal test
  - if [[ $TEST_SUITE == 'moist_thermal' ]]; then . ./.travis_scripts/moist_thermal.sh; fi