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dist: trusty
language: python

install:
    - ./.travis/install.sh

# python 3 is not fulling passing at this time
# so allow failure so the coverage stage can be reached with python 2
matrix:
  include:
    - python: 2.7
      env: PYVER=27
  allow_failures:
    - python: 3.5
      env: PYVER=35
    - python: 3.6
      env: PYVER=36
    - python: pypy
      env: PYVER=pypy

jobs:
  include:
    - &test_job
      stage: Test
      script: 
      # WORKAROUND: attempt to retry JobTests.py if it fails and then continue if it passes, if it fails ten times
      # then it is a real failure not related to intermittent travis failures
        - n=0; while [[ $n -lt 10 ]]; do python runtest.py src/engine/SCons/JobTests.py && break; n=$((n+1)); done; if [ "$n" -gt "9" ]; then false; fi
        - echo "src/engine/SCons/JobTests.py" > exclude_jobtest
        - python runtest.py -a --exclude-list exclude_jobtest || if [[ $? == 2 ]]; then true; else false; fi
      before_script: skip
      after_success: skip
      python: 2.7

    - <<: *test_job
      python: 3.5
    - <<: *test_job
      python: 3.6
    - <<: *test_job
      python: pypy


    - &coverage_jobs
      stage: Coverage
      
      before_script:
        - sudo pip install coverage
        - sudo pip install coveralls
        - echo "import coverage" | sudo tee --append /usr/lib/python2.7/sitecustomize.py
        - echo "coverage.process_startup()" | sudo tee --append /usr/lib/python2.7/sitecustomize.py 

      script: 
        - export TOTAL_BUILD_JOBS=8
        - export COVERAGE_PROCESS_START=$PWD/.coveragerc
        - echo "[run]" >> .coveragerc
        - echo "source = $PWD/src" >> .coveragerc
        - echo "parallel = True" >> .coveragerc
        - printf "omit =\n\t*Tests.py\n\tsrc/test_*\n\tsrc/setup.py\n" >> .coveragerc
      # Not including this workaround in the coverage report, because it will result
      # in constantly changing coverage reports depending on the number of times
      # the JobTests.py had to run to pass
      # TODO: figure out how to cover JobTests.py
      # - n=0; while [[ $n -lt 10 ]]; do coverage run --rcfile=$PWD/.coveragerc runtest.py src/engine/SCons/JobTests.py && break; n=$((n+1)); done; if [ "$n" -gt "9" ]; then false; fi
      # exclude JobTest.py becuase we already ran that
        - echo "src/engine/SCons/JobTests.py" > exclude_jobtest
      # also exclude this test since it overides the exit function which doesnt work with coverage 
      # more info here: https://coverage.readthedocs.io/en/coverage-4.4.2/subprocess.html#
      # TODO: figure out how to cover test/exitfns.py
        - echo "test/exitfns.py" >> exclude_jobtest
        - python runtest.py -l -a --exclude-list exclude_jobtest > all_tests
        - let "start = ($(wc -l < all_tests) / ${TOTAL_BUILD_JOBS}) * (${BUILD_JOB_NUM} - 1)"; true;
        - let "end = ($(wc -l < all_tests) / ${TOTAL_BUILD_JOBS}) * ${BUILD_JOB_NUM}"
        - if (( ${BUILD_JOB_NUM} == ${TOTAL_BUILD_JOBS} )); then end=$(wc -l < all_tests); fi
        - if (( ${start} == 0 )); then start=1; fi
        - sed -n ${start},${end}p all_tests > build_tests
        - coverage run --rcfile=$PWD/.coveragerc runtest.py -f build_tests || if [[ $? == 2 ]]; then true; else false; fi

      after_success:
        - coverage combine
        - coverage report
        - coveralls --rcfile=$PWD/.coveragerc

      env: BUILD_JOB_NUM=1

    - <<: *coverage_jobs
      env: BUILD_JOB_NUM=2
    - <<: *coverage_jobs
      env: BUILD_JOB_NUM=3
    - <<: *coverage_jobs
      env: BUILD_JOB_NUM=4
    - <<: *coverage_jobs
      env: BUILD_JOB_NUM=5
    - <<: *coverage_jobs
      env: BUILD_JOB_NUM=6
    - <<: *coverage_jobs
      env: BUILD_JOB_NUM=7
    - <<: *coverage_jobs
      env: BUILD_JOB_NUM=8