action.yml

name: Split Tests
author: chaosaffe@users.noreply.github.com
description: Splits test suite for parallelization with equal time
inputs:
  split-total:
    description: Total number of instances executing the tests (integer)
    required: true
  split-index:
    description: Index of this instance executing the tests (integer)
    required: true
  glob:
    description: Glob pattern to find test files (default "spec/**/*_spec.rb") (string)
    required: false
    default: spec/**/*_spec.rb
  exclude-glob:
    description: Glob pattern to exclude test files (string)
    required: false
    default: ""
  junit-path:
    description: Path to a JUnit XML report to use for test timings (string)
    required: false
  line-count:
    description: Use line count to estimate test times (boolean)
    required: false
outputs:
  test-suite:
    description: "A subset of tests, based on the the split index and split type"
    value: ${{ steps.split-tests.outputs.test-suite }}
  split-total:
    description: Total number of instances executing the tests
    value: ${{ inputs.split-total }}
  split-index:
    description: Index of this instance executing the tests
    value: ${{ inputs.split-index }}
runs:
  using: composite
  steps:
    - name: Install split_tests
      run: curl -L "https://github.com/leonid-shevtsov/split_tests/releases/latest/download/split_tests.linux.gz" | gunzip -v > split_tests && chmod +x split_tests
      shell: bash
    - name: Split Tests
      id: split-tests
      run: |
        # setup split type
        if [ -n "${{ inputs.junit-path }}" ]; then
          echo "junit-path set. Splitting based on JUnit timings"
          SPLIT_BY="-junit -junit-path=${{ inputs.junit-path }}"
        elif [ -n "${{ inputs.line-count }}" ]; then
          echo "line-count set. Splitting based on test line count"
          SPLIT_BY="-line-count"
        else
          echo "No split type arguments set. Using default"
          SPLIT_BY=""
        fi

        EXCLUDE_GLOB=""
        if [ -n "${{ inputs.exclude-glob }}" ]; then
          EXCLUDE_GLOB="-exclude-glob='${{ inputs.exclude-glob }}'"
        fi

        TESTS=$(./split_tests ${SPLIT_BY} -split-index=${{ inputs.split-index }} -split-total=${{ inputs.split-total }} -glob='${{ inputs.glob }}' ${EXCLUDE_GLOB})

        echo $TESTS

        echo "test-suite=${TESTS}" >> $GITHUB_OUTPUT          
      shell: bash
branding:
  icon: shuffle
  color: orange