name: Run Unit Evals

on:
  schedule:
    # GitHub might drop jobs at busy times, so we choose a random time in the middle of the night.
    - cron: "47 1 * * *"
  workflow_dispatch:

concurrency:
  # Allow only one workflow per any non-`main` branch.
  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.ref_name == 'main' && github.sha || 'anysha' }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0
  RUST_BACKTRACE: 1
  ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}

jobs:
  unit_evals:
    timeout-minutes: 60
    name: Run unit evals
    runs-on:
      - buildjet-16vcpu-ubuntu-2204
    steps:
      - name: Add Rust to the PATH
        run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH

      - name: Checkout repo
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
        with:
          clean: false

      - name: Cache dependencies
        uses: swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2
        with:
          save-if: ${{ github.ref == 'refs/heads/main' }}
          cache-provider: "buildjet"

      - name: Install Linux dependencies
        run: ./script/linux

      - name: Configure CI
        run: |
          mkdir -p ./../.cargo
          cp ./.cargo/ci-config.toml ./../.cargo/config.toml

      - name: Install Rust
        shell: bash -euxo pipefail {0}
        run: |
          cargo install cargo-nextest --locked

      - name: Install Node
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: "18"

      - name: Limit target directory size
        shell: bash -euxo pipefail {0}
        run: script/clear-target-dir-if-larger-than 100

      - name: Run unit evals
        shell: bash -euxo pipefail {0}
        run: cargo nextest run --workspace --no-fail-fast --features eval --no-capture -E 'test(::eval_)'
        env:
          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}

      - name: Send failure message to Slack channel if needed
        if: ${{ failure() }}
        uses: slackapi/slack-github-action@b0fa283ad8fea605de13dc3f449259339835fc52
        with:
          method: chat.postMessage
          token: ${{ secrets.SLACK_APP_ZED_UNIT_EVALS_BOT_TOKEN }}
          payload: |
            channel: C04UDRNNJFQ
            text: "Unit Evals Failed: https://github.com/zed-industries/zed/actions/runs/${{ github.run_id }}"

      # Even the Linux runner is not stateful, in theory there is no need to do this cleanup.
      # But, to avoid potential issues in the future if we choose to use a stateful Linux runner and forget to add code
      # to clean up the config file, I’ve included the cleanup code here as a precaution.
      # While it’s not strictly necessary at this moment, I believe it’s better to err on the side of caution.
      - name: Clean CI config file
        if: always()
        run: rm -rf ./../.cargo
