test.yaml

# continuous integration
# run tests for repo
---
name: Test
on: [push]
jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v1

      - name: Install xmllint
        run: sudo apt-get install libxml2-utils

      - name: Lint XML
        # use `xargs` instead of `find -exec` so non-0 exit codes are correctly returned
        run: >
          find 106/ 20170701/
          -name "*.xml"
          ! -name '*invalid*'
          ! -name '*error*'
          | xargs xmllint --noout

      - name: Check for extra whitespace at the start of elements
        # invert exit code; grep normally returns 0 if match (linting issue) found
        # use `xargs` instead of `find -exec` so non-0 exit codes are correctly returned
        run: >
          ! find 106/ 20170701/
          -name "*.xml"
          ! -name '*invalid*'
          ! -name '*error*'
          | xargs grep --perl-regexp ">\s\w+"

      - name: Check for extra whitespace at the end of elements
        # invert exit code; grep normally returns 0 if match (linting issue) found
        # use `xargs` instead of `find -exec` so non-0 exit codes are correctly returned
        run: >
          ! find 106/ 20170701/
          -name "*.xml"
          ! -name '*invalid*'
          ! -name '*error*'
          | xargs grep --perl-regexp "\w\s+</"