# This is based on https://github.com/jidicula/go-fuzz-action/blob/main/action.yml
# whose license has been reproduced here.
# MIT License

# Copyright (c) 2022 Johanan Idicula

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# SOFTWARE.

name: Go fuzz test
on:
    push:
      paths-ignore:
        - 'website/**'
    workflow_call:
    workflow_dispatch:
jobs:
  fuzz-grants-parse:
    name: Fuzz grants.Parse
    runs-on: ubuntu-latest
    steps:    
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - name: Determine Go version
        id: get-go-version
        # We use .go-version as our source of truth for current Go
        # version, because "goenv" can react to it automatically.
        run: |
          echo "Building with Go $(cat .go-version)"
          echo "go-version=$(cat .go-version)" >> "$GITHUB_OUTPUT"
      - uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5.2.0
        with:
          go-version: "${{ steps.get-go-version.outputs.go-version }}"
      - shell: bash
        run: go test ./internal/perms -fuzz=FuzzParse -fuzztime=30s
      - name: Upload fuzz failure seed corpus as run artifact
        if: failure()
        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: fuzz-corpus
          path: ./internal/perms/testdata/fuzz
      - name: Output message
        if: failure()
        shell: bash
        run: |
          echo -e "Fuzz test failed on commit ${{ env.SHA }}. To troubleshoot locally, use the [GitHub CLI](https://cli.github.com) to download the seed corpus with\n\ngh run download ${{ github.run_id }} -n fuzz-corpus\n"