.travis.yml

language: python
cache: pip

os: linux
dist: bionic

services:
  - postgresql
env:
  - DEVELOPMENT=no DATABASE_ENGINE=postgres

jobs:

  allow_failures:
    - env: TRAVIS_PYTHON_VERSION=nightly
    - env: ALLOW_FAILURE=yes
    - os: osx
    - os: windows

  include:

    #############################################################
    ### Ensure that all pre-commit hooks are satisfied (code
    ### formatting, checking for private keys, etc).
    #############################################################

    - stage: "Run tests"
      name: "Pre-commit hooks are all satisfied"
      python: 3.7
      install:
        - pip3 install pre-commit
        - pre-commit install
      script:
        - pre-commit run --all-files

    ########################################################
    ### Unit testing using a MySQL database.
    ########################################################

    - stage:
      name: "Unit tests (Python 3.7)"
      python: 3.7
      before_script:
        - export TEST_FLAGS="--tag unit-tests ${TEST_FLAGS}"

    - stage:
      name: "Unit tests (Python 3.8)"
      python: 3.8
      before_script:
        - export TEST_FLAGS="--tag unit-tests ${TEST_FLAGS}"

    #############################################################
    ### Functional tests
    #############################################################
    - stage:
      name: "Functional tests (Firefox stable)"
      python: 3.7
      addons:
        firefox: latest
      services:
        - xvfb
        - postgresql
      before_script:
        # Selenium needs Geckodriver in order to test Firefox
        - URL='https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-linux64.tar.gz'
        - wget "$URL" -O geckodriver.tar.gz
        - tar xf geckodriver.tar.gz && rm geckodriver.tar.gz
        - mv geckodriver ~/.local/bin/geckodriver
        - export TEST_FLAGS="--tag functional-tests ${TEST_FLAGS}"
        - firefox --version

    - stage:
      name: "Functional tests (Firefox beta)"
      python: 3.7
      env:
        - ALLOW_FAILURE=yes
      addons:
        firefox: latest-beta
      services:
        - xvfb
        - postgresql
      before_install:
        - export DEVELOPMENT=yes
        - export DATABASE_ENGINE=postgres
      before_script:
        # Selenium needs Geckodriver in order to test Firefox
        - URL='https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-linux64.tar.gz'
        - wget "$URL" -O geckodriver.tar.gz
        - tar xf geckodriver.tar.gz && rm geckodriver.tar.gz
        - mv geckodriver ~/.local/bin/geckodriver
        - export TEST_FLAGS="--tag functional-tests ${TEST_FLAGS}"
        - firefox --version

    - stage:
      name: "Functional tests (Chrome stable)"
      python: 3.7
      env:
        - ALLOW_FAILURE=yes
      addons:
        chrome: stable
      services:
        - xvfb
        - postgresql
      before_script:
        # Selenium needs Chromedriver in order to test Chrome
        - URL='https://chromedriver.storage.googleapis.com/79.0.3945.36/chromedriver_linux64.zip'
        - curl "$URL" -o chromedriver.zip
        - unzip chromedriver.zip && rm chromedriver.zip
        - mv chromedriver ~/.local/bin/chromedriver
        - export TEST_FLAGS="--tag functional-tests ${TEST_FLAGS}"
        - export BROWSER="Chrome"
        - google-chrome --version

    - stage:
      name: "Functional tests (Chrome beta)"
      python: 3.7
      env:
        - ALLOW_FAILURE=yes
      addons:
        chrome: beta
      services:
        - xvfb
        - postgresql
      before_install:
        - export DEVELOPMENT=yes
        - export DATABASE_ENGINE=postgres
      before_script:
        # Selenium needs Chromedriver in order to test Chrome
        - URL='https://chromedriver.storage.googleapis.com/80.0.3987.16/chromedriver_linux64.zip'
        - curl "$URL" -o chromedriver.zip
        - unzip chromedriver.zip && rm chromedriver.zip
        - mv chromedriver ~/.local/bin/chromedriver
        - export TEST_FLAGS="--tag functional-tests ${TEST_FLAGS}"
        - export BROWSER="Chrome"
        - google-chrome --version

    #############################################################
    ### Upload coverage results by running all of the tests (both
    ### unit tests and functional tests).
    #############################################################
    - stage: "Run full tests and upload coverage results"
      python: 3.7
      addons:
        firefox: latest
      services:
        - xvfb
        - postgresql
      before_script:
        - pip3 install codecov
        # Selenium needs Geckodriver in order to test Firefox
        - URL='https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-linux64.tar.gz'
        - wget "$URL" -O geckodriver.tar.gz
        - tar xf geckodriver.tar.gz && rm geckodriver.tar.gz
        - mv geckodriver ~/.local/bin/geckodriver
        - export TEST_FLAGS=""
      after_success:
        - $PY -m codecov

install:
  - pip3 install --upgrade pip
  - pip3 install -r requirements.txt
  - pip3 install coverage selenium tblib
  # Create ~/.local/bin to store any additional binaries we may need for testing. Especially
  # useful for the functional tests.
  - mkdir -p ~/.local/bin/
  # Export various useful environmental variables that didn't need to be specified in the
  # env section.
  - export DJANGO_SECRET_KEY="$(head -c 40 /dev/random | base64)"
  - export TEST_FLAGS="--parallel 4"
  - export PATH="~/.local/bin:$PATH"
  - if [ $(which python3) ]; then export PY=python3; else export PY=python; fi
  # MySQL environmental variables for tests that use a MySQL database
  - export MYSQL_DATABASE="tecdb"
  - export MYSQL_USER="root"
  - export MYSQL_PASSWORD=""
  - export DATABASE_HOST="localhost"
  # Postgres environmental variables for tests using a PostgreSQL database
  - export POSTGRES_DB="tecdb"
  - export POSTGRES_USER="postgres"
  - export POSTGRES_PASSWORD=""
  # Set up database
  - if [ $DATABASE_ENGINE = "mysql" ]; then mysql -e "CREATE DATABASE ${MYSQL_DATABASE};"; fi
  - if [ $DATABASE_ENGINE = "postgres" ]; then psql -c "CREATE DATABASE ${POSTGRES_DB};" -U "${POSTGRES_USER}"; fi

script:
  # This script is run for all tests
  - echo $PATH
  - echo $PY && which $PY
  - echo $TEST_FLAGS
  - cd src
  - $PY manage.py makemigrations
  - $PY manage.py migrate --run-syncdb
  - coverage run --source="." manage.py test ${TEST_FLAGS}

notifications:
  slack:
    if: branch = master
    on_pull_requests: false
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