.travis.yml

# This code is part of Qiskit.
#
# (C) Copyright IBM 2018, 2019.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

notifications:
    on_success: change
    on_failure: always

cache: pip
os: linux
dist: trusty

language: python
python:
  - "3.6"

stage_dependencies: &stage_dependencies
  # Install Dependencies
  env:
    - DEPENDENCY_BRANCH=$(if [ "$TRAVIS_BRANCH" = "stable" ]; then echo "stable"; else echo "master"; fi)
    - INIT_FILE="$TRAVIS_BUILD_DIR/qiskit/__init__.py"
        
  before_install:
    - |
      if [ -f $INIT_FILE ]; then
        # stops travis if __init__.py exists under qiskit
        echo "File '$INIT_FILE' found. It should not exist, since this repo extends qiskit namespace.";
        travis_terminate 1;
      fi
      if [ "$BUILD_AER" != "false" ]; then
        # install Qiskit Aer build dependencies
        sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
        sudo apt-get -y update
        sudo apt-get -y install g++-7
        sudo apt-get -y install libopenblas-dev
      fi
    - pip install --upgrade pip setuptools wheel
    # Download github Terra
    - wget https://codeload.github.com/Qiskit/qiskit-terra/zip/$DEPENDENCY_BRANCH -O /tmp/qiskit-terra.zip
    - unzip /tmp/qiskit-terra.zip -d /tmp/
    # Install Qiskit Terra requirements.
    - pip install -U -r /tmp/qiskit-terra-$DEPENDENCY_BRANCH/requirements-dev.txt --progress-bar off
    # Install local Qiskit Terra
    - pip install -e /tmp/qiskit-terra-$DEPENDENCY_BRANCH --progress-bar off
    # Download github Ignis
    - wget https://codeload.github.com/Qiskit/qiskit-ignis/zip/$DEPENDENCY_BRANCH -O /tmp/qiskit-ignis.zip
    - unzip /tmp/qiskit-ignis.zip -d /tmp/
    # Install local Qiskit Ignis
    - pip install -e /tmp/qiskit-ignis-$DEPENDENCY_BRANCH --progress-bar off
    - |
      if [ "$BUILD_AER" != "false" ]; then
        # Download github Qiskit Aer
        wget https://codeload.github.com/Qiskit/qiskit-aer/zip/$DEPENDENCY_BRANCH -O /tmp/qiskit-aer.zip
        unzip /tmp/qiskit-aer.zip -d /tmp/
        # Install Qiskit Aer requirements.
        pip install -U -r /tmp/qiskit-aer-$DEPENDENCY_BRANCH/requirements-dev.txt --progress-bar off
        # build Qiskit Aer
        cd /tmp/qiskit-aer-$DEPENDENCY_BRANCH
        python setup.py bdist_wheel -- -DCMAKE_CXX_COMPILER=g++-7 -- -j4
        pip install dist/qiskit_aer*whl
        # back to current repo directory
        cd $TRAVIS_BUILD_DIR
      fi
  install:
      # install Aqua and dev requirements
      - pip install -e $TRAVIS_BUILD_DIR --progress-bar off
      - pip install -U -r requirements-dev.txt --progress-bar off
  
# Define the order of the stages.
stages:
  - test first
  - test second
  - test third

jobs:
  include:
    - stage: test first
      <<: *stage_dependencies
      script:
        - make style && make lint && python test/custom_tests.py 0 -end 24

    - stage: test second
      <<: *stage_dependencies
      script:
        - python test/custom_tests.py 24 -end 43

    - stage: test third
      <<: *stage_dependencies
      script:
        - python test/custom_tests.py 43