name: "Volume Server Integration Tests"

on:
  pull_request:
    branches: [ master ]
    paths:
      - 'test/volume_server/**'
      - 'weed/server/**'
      - 'weed/storage/**'
      - 'weed/pb/volume_server.proto'
      - 'weed/pb/volume_server_pb/**'
      - '.github/workflows/volume-server-integration-tests.yml'
  push:
    branches: [ master, main ]
    paths:
      - 'test/volume_server/**'
      - 'weed/server/**'
      - 'weed/storage/**'
      - 'weed/pb/volume_server.proto'
      - 'weed/pb/volume_server_pb/**'
      - '.github/workflows/volume-server-integration-tests.yml'

concurrency:
  group: ${{ github.head_ref || github.ref }}/volume-server-integration-tests
  cancel-in-progress: true

permissions:
  contents: read

env:
  TEST_TIMEOUT: '30m'
  # Keep in step with the length of matrix.shard below.
  SHARD_COUNT: 3

jobs:
  volume-server-integration-tests:
    name: Volume Server Integration Tests (${{ matrix.test-type }} - Shard ${{ matrix.shard }})
    runs-on: ubuntu-22.04
    timeout-minutes: 45
    strategy:
      fail-fast: false
      matrix:
        test-type: [grpc, http]
        shard: [1, 2, 3]

    steps:
      - name: Checkout code
        uses: actions/checkout@v7

      - name: Set up Go
        uses: actions/setup-go@v7
        with:
          go-version-file: 'go.mod'

      - name: Build SeaweedFS binary
        run: |
          cd weed
          go build -o weed .
          chmod +x weed
          ./weed version

      # Dealing the listed tests out one by one keeps the shards even. Bucketing
      # them by first letter did not: names cluster, so ^Test[I-S] drew 50 of
      # the 114 grpc tests and ran nearly twice as long as the other two shards.
      - name: Select this shard's tests
        env:
          TEST_TYPE: ${{ matrix.test-type }}
          SHARD: ${{ matrix.shard }}
        run: |
          tests=$(go test ./test/volume_server/"$TEST_TYPE"/... -list '.*' | grep '^Test' | sort -u)
          # An empty list would make -run match nothing and the shard pass vacuously.
          [ -n "$tests" ] || { echo "listed no tests in test/volume_server/$TEST_TYPE"; exit 1; }
          selected=$(echo "$tests" | awk -v n="$SHARD_COUNT" -v i="$SHARD" 'NR % n == i - 1')
          echo "shard $SHARD of $SHARD_COUNT runs $(echo "$selected" | wc -l) of $(echo "$tests" | wc -l) tests"
          echo "TEST_PATTERN=^($(echo "$selected" | paste -sd'|' -))\$" >> "$GITHUB_ENV"

      - name: Run volume server integration tests
        env:
          WEED_BINARY: ${{ github.workspace }}/weed/weed
        run: |
          echo "Running volume server integration tests for ${{ matrix.test-type }} (Shard ${{ matrix.shard }} of ${SHARD_COUNT})..."
          go test -v -count=1 -timeout=${{ env.TEST_TIMEOUT }} ./test/volume_server/${{ matrix.test-type }}/... -run "${TEST_PATTERN}"

      - name: Collect logs on failure
        if: failure()
        run: |
          mkdir -p /tmp/volume-server-it-logs
          find /tmp -maxdepth 1 -type d -name "seaweedfs_volume_server_it_*" -print -exec cp -r {} /tmp/volume-server-it-logs/ \; || true

      - name: Archive logs on failure
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: volume-server-integration-test-logs
          path: /tmp/volume-server-it-logs/
          if-no-files-found: warn
          retention-days: 7

      - name: Test summary
        if: always()
        run: |
          echo "## Volume Server Integration Test Summary (${{ matrix.test-type }} - Shard ${{ matrix.shard }})" >> "$GITHUB_STEP_SUMMARY"
          echo "- Suite: test/volume_server/${{ matrix.test-type }} (shard ${{ matrix.shard }} of ${SHARD_COUNT}, see 'Select this shard's tests' for the split)" >> "$GITHUB_STEP_SUMMARY"
          echo "- Command: go test -v -count=1 -timeout=${{ env.TEST_TIMEOUT }} ./test/volume_server/${{ matrix.test-type }}/... -run \"\${TEST_PATTERN}\"" >> "$GITHUB_STEP_SUMMARY"