bazel_rules_fuchsia/scripts/emit_test_manifest.sh

#!/bin/bash

# Copyright 2022 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# This script is used to output the global test manifest which can be consumed
# by infra for CI/CQ.

source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/common.sh || exit $?

help() {
  echo
  echo "Script used to output a generated test manifest for a given fuchsia_tests target."
  echo
  echo "Usage:"
  echo "   $(basename "$0") fuchsia_tests_target [<options>]"
  echo
  echo "Options:"
  echo
  echo "  fuchsia_test_target"
  echo "     A mandatory label of the fuchsia_tests target to emit the manifest of."
  echo "  --help, -h"
  echo "     Prints this help message"
  echo "  --output-base, -o <output_base>"
  echo "     This is a bazel parameter. More about it can be found in"
  echo "     https://docs.bazel.build/versions/main/command-line-reference.html#flag--output_base"
  echo
}

emit_test_manifest() {
  MANIFEST=$(run_bazel cquery --output starlark --starlark:expr "target.files.to_list()[0].path" $1 2>/dev/null)
  if [ ! -f "$MANIFEST" ]; then
    echo "Unable to read $MANIFEST"
    echo "Did you build that target yet?"
    exit 1
  fi
  cat $MANIFEST
}

main() {
  for arg in "$@"; do
    if [[ "$#" > 0 ]]; then
      case $1 in
        -h|--help)
          help
          exit 1
          ;;
        --output_base|-o)
          OUTPUT_BASE="${2}"
          shift
          ;;
        *)
          if [ -n "${TEST_TARGET}" ]; then
            echo "Error: Exactly 1 fuchsia_tests_target can be specified."
            help
            exit 1
          fi
          TEST_TARGET="${arg}"
          ;;
      esac
      shift
    fi
  done
  if [ -z "${TEST_TARGET}" ]; then
    echo "Error: No fuchsia_tests_target specified."
    help
    exit 1
  fi

  emit_test_manifest $TEST_TARGET
}

main "$@"