.travis.yml

# No longer used, replaced by GitHub Actions
# Keep this workflow as a reference
# It had the advantage of only pushing to Docker Hub if the test cases passed

sudo: required

services:
  - docker

before_script:
  # Use the DockerHub image as a cache
  # https://medium.com/mobileforgood/coding-tips-patterns-for-continuous-integration-with-docker-on-travis-ci-9cedb8348a62
  - docker pull agitter/singe:tmp
  - docker build --pull --cache-from agitter/singe:tmp -t agitter/singe:tmp -f docker/Dockerfile .

script:
  # Store the md5sums of the tracked source files before running tests in the Docker image
  # The Docker image does not have git installed
  - md5sum $(git ls-tree -r HEAD --name-only | grep '.*\.m$') > current_code.md5
  # Run SINGE tests in the built Docker image
  # The conda environment should be activated before running the bash script
  # See https://github.com/conda/conda/issues/7980
  - docker run -v $(pwd):/SINGE -w /SINGE --entrypoint "/bin/bash" agitter/singe:tmp -c "source ~/.bashrc; conda activate singe-test; tests/docker_test.sh"
  # Proof-of-concept of running SINGE in a high-throughput style
  # Can be moved to run in a parallel Travis CI job
  - bash tests/high_throughput_test.sh
  # Test standalone SINGE run through Docker
  - bash tests/standalone_test.sh
  # Test standalone SINGE on a branching dataset
  - bash tests/standalone_branching_test.sh
  # Confirm the hyperparameter generation script works
  - cd scripts
  - bash generate_hyperparameters.sh

after_script:
  # Inspect the built image
  - docker images

before_deploy:
  # Set DOCKER_USERNAME and DOCKER_PASSWORD as environment variables at Travis CI settings page
  # Allow DOCKER_USERNAME to be shown in the build log
  # https://travis-ci.com/gitter-lab/SINGE/settings
  # Note security risk with encrypted variables if the GitHub repository is transferred
  # https://andrewwegner.com/travisci-insecure-environment-variables.html
  # Use --password-stdin to keep passwords out of log files
  # https://docs.docker.com/engine/reference/commandline/login/
  - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin

deploy:
  # If commit is on the master branch, push the temporary Docker image to DockerHub
  # See https://docs.travis-ci.com/user/docker/#pushing-a-docker-image-to-a-registry and
  # https://medium.com/mobileforgood/coding-tips-patterns-for-continuous-integration-with-docker-on-travis-ci-9cedb8348a62
  provider: script
  script: docker push agitter/singe:tmp
  skip_cleanup: true
  on:
    branch: master