run-tests

#!/usr/bin/env bash
set -euo pipefail

BATS_BIN="${BATS_BIN:-/opt/homebrew/bin/bats}"
RUBY_BIN="${RUBY_BIN:-$(command -v ruby 2>/dev/null || echo '')}"

# ---------------------------------------------------------------------------
# Prerequisite checks
# ---------------------------------------------------------------------------
if ! command -v bats &>/dev/null && [[ ! -x "${BATS_BIN}" ]]; then
  echo "Error: bats is not installed or not found." >&2
  echo "" >&2
  echo "Install it with:" >&2
  echo "  brew install bats-core" >&2
  exit 1
fi

BATS="$(command -v bats 2>/dev/null || echo "${BATS_BIN}")"

if [[ -z "${RUBY_BIN}" ]]; then
  echo "Warning: ruby not found — skipping Ruby specs." >&2
fi

# ---------------------------------------------------------------------------
# Separate path args from flags, and detect Ruby spec files
# ---------------------------------------------------------------------------
bats_args=()
ruby_files=()
filter_pattern=""
has_path_arg=false

i=0
args=("$@")
while [[ $i -lt ${#args[@]} ]]; do
  arg="${args[$i]}"
  case "${arg}" in
    --filter)
      i=$((i + 1))
      filter_pattern="${args[$i]:-}"
      bats_args+=("--filter" "${filter_pattern}")
      ;;
    --filter=*)
      filter_pattern="${arg#*=}"
      bats_args+=("${arg}")
      ;;
    --*)
      bats_args+=("${arg}")
      ;;
    *)
      has_path_arg=true
      if [[ "${arg}" == *_spec.rb ]]; then
        ruby_files+=("${arg}")
      else
        bats_args+=("${arg}")
      fi
      ;;
  esac
  i=$((i + 1))
done

# ---------------------------------------------------------------------------
# Run BATS tests
# ---------------------------------------------------------------------------
bats_exit=0

if [[ "${has_path_arg}" == false ]]; then
  "${BATS}" --recursive tests/ "${bats_args[@]}" || bats_exit=$?
elif [[ ${#bats_args[@]} -gt 0 ]]; then
  "${BATS}" "${bats_args[@]}" || bats_exit=$?
fi

# ---------------------------------------------------------------------------
# Run Ruby specs
# ---------------------------------------------------------------------------
ruby_exit=0

if [[ -n "${RUBY_BIN}" ]]; then
  if [[ ${#ruby_files[@]} -gt 0 ]]; then
    # Explicit spec files passed on command line
    for spec in "${ruby_files[@]}"; do
      if [[ -n "${filter_pattern}" ]]; then
        "${RUBY_BIN}" "${spec}" --name "/${filter_pattern}/" || ruby_exit=$?
      else
        "${RUBY_BIN}" "${spec}" || ruby_exit=$?
      fi
    done
  elif [[ "${has_path_arg}" == false ]]; then
    # Discovery mode: run all *_spec.rb under tests/
    while IFS= read -r -d '' spec; do
      if [[ -n "${filter_pattern}" ]]; then
        "${RUBY_BIN}" "${spec}" --name "/${filter_pattern}/" || ruby_exit=$?
      else
        "${RUBY_BIN}" "${spec}" || ruby_exit=$?
      fi
    done < <(find tests/ -name '*_spec.rb' -print0 | sort -z)
  fi
fi

# ---------------------------------------------------------------------------
# Exit with combined status
# ---------------------------------------------------------------------------
[[ ${bats_exit} -eq 0 && ${ruby_exit} -eq 0 ]]