.travis.yml

language: python
sudo: required
jobs:
  include:
##   Python 2.7 tests are dropped because they are no longer important after py2 end of life
#    - name: "python 2.7 qt4 trusty pgmpl"
#      dist: trusty
#      python: 2.7
##      virtualenv:
##        system_site_packages: true
#      before_install:
#        - sudo apt-get update
#        - sudo apt-get -y install python-qt4
#      before_script:
#       # From pyqtgraph's .travis.yml: https://github.com/pyqtgraph/pyqtgraph/blob/develop/.travis.yml
#       # We need to create a (fake) display on Travis, let's use a funny resolution
#       - export DISPLAY=:99.0
#       - "sh -e /etc/init.d/xvfb start"
#       - /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 1400x900x24 -ac +extension GLX +render
#       - export PGMPL_TEST_VERBOSE=1
##   Python 2.7 tests are dropped because they are no longer important after py2 end of life
#    - name: "python 2.7 qt5 bionic pgmpl"
#      dist: bionic
#      python: 2.7
#      before_install:
#        - sudo apt-get update
#        - sudo apt-get -y install python-pyqt5
#      services:
#       - xvfb
    - name: "python 3.6 qt5 bionic pgmpl"
      dist: bionic
      python: 3.6
      before_install:
        - sudo apt-get update
        - sudo apt-get -y install python3-pyqt5
      before_script:
        - export PGMPL_TEST_VERBOSE=1
      services:
       - xvfb
##  This doesn't work because of a backwards-incompatible change in PyQt5, so pyqtgraph can't import sip from PyQt5
#    - name: "python 3.8 qt5 focal pgmpl"
#      dist: focal
#      python: 3.8
#      before_install:
#        - sudo apt-get update
#        - sudo apt-get -y install python3-pyqt5
#      services:
#       - xvfb

# https://stackoverflow.com/a/35029430/6605826
# system_site_packages limits py versions https://travis-ci.community/t/python-3-6-and-3-7-with-system-site-packages-enabled-fails-to-activate-on-xenial/1697
virtualenv:
  system_site_packages: true

# apt-get commands depend on py version: https://stackoverflow.com/a/20621143/6605826
install:
# - sudo apt-get update
# - if [[ $TRAVIS_PYTHON_VERSION < 3 ]]; then sudo apt-get -y install python-qt4; fi
# - if [[ $TRAVIS_PYTHON_VERSION > 3 ]]; then sudo apt-get -y install python3-pyqt5; fi
 - pip install -r requirements.txt
 - pip install codecov coverage

script:
 - coverage run -m unittest discover --pattern=*.py -s tests

after_success:
 - codecov