name: IGNORE ME codecov-ats

on:
  pull_request:

env:
    CLI_VERSION: v0.1.5

# Cancel in progress workflows on pull_requests.
# https://docs.github.com/en/actions/using-jobs/using-concurrency#example-using-a-fallback-value
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

defaults:
  run:
    # the default default is:
    #      bash --noprofile --norc -eo pipefail {0}
    shell: bash --noprofile --norc -eo pipefail -ux {0}

jobs:
    files-changed:
        name: detect what files changed
        runs-on: ubuntu-20.04
        timeout-minutes: 3
        # Map a step output to a job output
        outputs:
          api_docs: ${{ steps.changes.outputs.api_docs }}
          backend: ${{ steps.changes.outputs.backend_all }}
          backend_dependencies: ${{ steps.changes.outputs.backend_dependencies }}
          backend_any_type: ${{ steps.changes.outputs.backend_any_type }}
          migration_lockfile: ${{ steps.changes.outputs.migration_lockfile }}
        steps:
          - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8  # v3.1.0

          - name: Check for backend file changes
            uses: getsentry/paths-filter@4512585405083f25c027a35db413c2b3b9006d50  # v2.11.1
            id: changes
            with:
              token: ${{ github.token }}
              filters: .github/file-filters.yml
    coverage-ats:
        if: needs.files-changed.outputs.backend == 'true'
        needs: files-changed
        runs-on: ubuntu-latest
        # Map a step output to a job output
        outputs:
          ATS_TESTS_TO_RUN: ${{ steps.codecov_automated_test_selection.outputs.ATS_TESTS_TO_RUN }}
          ATS_TESTS_TO_SKIP: ${{ steps.codecov_automated_test_selection.outputs.ATS_TESTS_TO_SKIP }}
        steps:
        - uses: actions/checkout@v3
          with:
            # fetch-depth: 0 - Use if the BASE_COMMIT on codecov_automated_test_selection is at unknown depth
            #                   (i.e. git merge-base ${{ github.sha }}^ origin/main)
            # fetch-depth: 2 - Use if the BASE_COMMIT on codecov_automated_test_selection is at known depth
            #                   (i.e. git rev-parse ${{ github.sha }}^)
            fetch-depth: 0
        - name: Set up Python 3.10.10
          uses: actions/setup-python@v4
          with:
            python-version: "3.10.10"
        # We need the setup to collect the list of tests properly
        - name: Setup sentry env
          uses: ./.github/actions/setup-sentry
          id: setup
          with:
            snuba: true
            # Right now, we run so few bigtable related tests that the
            # overhead of running bigtable in all backend tests
            # is way smaller than the time it would take to run in its own job.
            bigtable: true
            pg-version: 14
        - name: Download Codecov CLI
          run: |
            pip install --extra-index-url https://pypi.org/simple --no-cache-dir codecov-cli>=0.4.0
        # Creates the commit and report objects in codecov
        - name: Codecov startup
          run: |
            codecovcli create-commit
            codecovcli create-report
          env:
            CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
        # Sends static analysis information to codecov
        - name: Static Analysis
          run: |
            codecovcli static-analysis --token=${CODECOV_STATIC_TOKEN} \
            --folders-to-exclude .artifacts \
            --folders-to-exclude .github \
            --folders-to-exclude .venv \
            --folders-to-exclude static \
            --folders-to-exclude bin
          env:
            CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
            CODECOV_STATIC_TOKEN: ${{ secrets.CODECOV_STATIC_TOKEN }}
        # Run Automated Test Selection in dry mode to get the list of tests to run
        # The base commit will be the parent commit (apparently commits on master don't exist in codecov)
        - name: Codecov Automated Test Selection
          id: codecov_automated_test_selection
          run: |
            BASE_COMMIT=$(git merge-base ${{ github.sha }}^ origin/master)
            echo $BASE_COMMIT
            output=$(codecovcli --codecov-yml-path=codecov.yml label-analysis --dry-run --token=${CODECOV_STATIC_TOKEN} --base-sha=${BASE_COMMIT}) || true
            if [ -n "${output}" ];
            then

              echo ATS_TESTS_TO_RUN=$(jq <<< $output '.runner_options + .ats_tests_to_run | @json | @sh' --raw-output) >> "$GITHUB_OUTPUT"
              echo ATS_TESTS_TO_SKIP=$(jq <<< $output '.runner_options + .ats_tests_to_skip | @json | @sh' --raw-output) >> "$GITHUB_OUTPUT"

              testcount() { jq <<< $output ".$1 | length"; }
              run_count=$(testcount ats_tests_to_run)
              skip_count=$(testcount ats_tests_to_skip)
              tee <<< "Selected $run_count / $(($run_count + $skip_count)) tests to run" "$GITHUB_STEP_SUMMARY"
            else
              tee <<< "ATS failed. Can't get list of tests to run. Fallback to all tests" "$GITHUB_STEP_SUMMARY"
              # We need not forget to add the search options in the fallback command, otherwise pytest might run more tests than expected
              # These search options match what's defined in codecov.yml:105
              echo 'ATS_TESTS_TO_RUN<<EOF' >> $GITHUB_OUTPUT
              jq -c @json <<< '[
                "--cov-context=test",
                "tests/sentry",
                "tests/integration",
                "--ignore=tests/sentry/eventstream/kafka",
                "--ignore=tests/sentry/post_process_forwarder",
                "--ignore=tests/sentry/snuba",
                "--ignore=tests/sentry/search/events",
                "--ignore=tests/sentry/ingest/ingest_consumer/test_ingest_consumer_kafka.py",
                "--ignore=tests/sentry/region_to_control/test_region_to_control_kafka.py"
              ]' >> $GITHUB_OUTPUT
              echo 'EOF' >> $GITHUB_OUTPUT
              echo ATS_TESTS_TO_SKIP="'[]'" >> "$GITHUB_OUTPUT"
              echo "::error ATS failed"
              exit 1
            fi
          env:
            CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
            CODECOV_STATIC_TOKEN: ${{ secrets.CODECOV_STATIC_TOKEN }}
    # The actual running of tests would come here, after the labels are available
    # Something like pytest <options> $ATS_TESTS_TO_RUN
    debug:
      runs-on: ubuntu-latest
      needs: coverage-ats
      if: ${{ always() }}
      steps:
        - name: Debug ATS_TESTS_TO_RUN
          run: |
            : ${{ needs.coverage-ats.outputs.ATS_TESTS_TO_RUN }}
            length_of_tests=$(jq <<< ${{ needs.coverage-ats.outputs.ATS_TESTS_TO_RUN }} 'length')
            # The 1st value doesn't count, it's '--cov-context=test' (hence -gt 1)
            if [ $length_of_tests -gt 1 ]; then
              echo "Running $length_of_tests tests"
              # --raw-output0 doesn't work.
              jq <<< ${{ needs.coverage-ats.outputs.ATS_TESTS_TO_RUN }} 'join("\u0000")' --raw-output | tr -d '\n' | xargs -r0 echo
            else
              echo "No tests to run"
            fi
        - name: Debug ATS_TESTS_TO_SKIP
          run: |
            : ${{ needs.coverage-ats.outputs.ATS_TESTS_TO_SKIP }}
            ATS_TESTS_TO_SKIP='${{ needs.coverage-ats.outputs.ATS_TESTS_TO_SKIP }}'
            length_of_tests=$(jq <<< ${{ needs.coverage-ats.outputs.ATS_TESTS_TO_SKIP }} 'length')
            # The 1st value doesn't count, it's '--cov-context=test'
            if [ $length_of_tests -gt 1 ]; then
              echo "Running $length_of_tests tests"
              # --raw-output0 doesn't work.
              jq <<< ${{ needs.coverage-ats.outputs.ATS_TESTS_TO_SKIP }} 'join("\u0000")' --raw-output | tr -d '\n' | xargs -r0 echo
            else
              echo "No tests to run"
            fi