dist: xenial
language: python
cache: pip
python:
  - 3.7  # Default
  - 3.6
env:
  global:
    - KERAS="true"
  matrix:
    - KERAS="false"

    - KERAS_VERSION="2.2.5" TENSORFLOW_VERSION="1.13.1"
    - KERAS_VERSION="2.2.5" TENSORFLOW_VERSION="1.14.0"
    # - KERAS_VERSION="2.2.5" TENSORFLOW_VERSION="2.0.0"

    - KERAS_VERSION="2.3.0" TENSORFLOW_VERSION="1.13.1"
    - KERAS_VERSION="2.3.0" TENSORFLOW_VERSION="1.14.0"
    # - KERAS_VERSION="2.3.0" TENSORFLOW_VERSION="2.0.0"

matrix:
  fast_finish: true
  include:
    # - python: 3.7
    #   env: KERAS="true"
    # - python: 3.6
    #   env: KERAS="true"

    - name: "Code Style (Black/Flake8)"
      env: KERAS="false"
      install:
        - pip install black
        - pip install flake8
      script:
        # Black code style
        - black --check --diff hyperparameter_hunter tests examples setup.py
        # Stop the build if there are Python syntax errors or undefined names
        - flake8 . --count --select=E901,E999,F821,F822,F823 --ignore=E266 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        - flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --ignore=E266 --statistics
      after_success: skip
  exclude:
    - env: KERAS="true"
  allow_failures:
    - python: 3.7
      env: KERAS_VERSION="2.3.0" TENSORFLOW_VERSION="1.13.1"
    - python: 3.7
      env: KERAS_VERSION="2.3.0" TENSORFLOW_VERSION="1.14.0"
    - python: 3.6
      env: KERAS_VERSION="2.3.0" TENSORFLOW_VERSION="1.13.1"
    - python: 3.6
      env: KERAS_VERSION="2.3.0" TENSORFLOW_VERSION="1.14.0"

before_install:
  - pip install -U pip
  - pip install -r requirements.txt
install:
  # Install Keras/TensorFlow for Keras-enabled Travis jobs
  - |
      if [[ "$KERAS" == "true" ]]; then
        # Install specific Keras version if specified
        if [[ -n "$KERAS_VERSION" ]]; then
          pip install keras=="$KERAS_VERSION";
        else
          pip install keras;
        fi

        # Install specific TensorFlow version if specified
        if [[ -n "$TENSORFLOW_VERSION" ]]; then
          pip install tensorflow=="$TENSORFLOW_VERSION";
        else
          pip install tensorflow;
        fi
      fi
script:
  - make test
after_success:
  # Combine coverage reports from Travis jobs
  - coverage combine
  # Tell Coveralls to wait for all results before merging
  - COVERALLS_PARALLEL=true coveralls
  # Send reports to Codecov. It automatically handles merging coverage results
  - codecov
notifications:
  webhooks:
    urls:
      # Tell Coveralls it's ok to merge now (https://docs.coveralls.io/parallel-build-webhook)
      - https://coveralls.io/webhook