#!/bin/bash

if [[ ${BASH_SOURCE[0]} == "$0" ]]; then
  echo "source test/shell.d/base-test.sh from a shell test; do not run it directly" >&2
  exit 1
fi

ROOT=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/../.." && pwd)
SHELL_TEST_DIR="$ROOT/test/shell.d"

export ROOT

pass() {
  printf 'ok - %s\n' "$1"
}

fail() {
  local description="$1"
  local detail="${2:-}"

  [[ -n $detail ]] && printf '%s\n' "$detail" >&2
  printf 'not ok - %s\n' "$description" >&2
  exit 1
}

require_command() {
  local command="$1"

  command -v "$command" >/dev/null || fail "required command is available: $command"
}

run_node_test() {
  require_command node

  {
    cat <<'JS_PRELUDE'
const path = require('path')
const root = process.env.ROOT

function fail(description, detail) {
  if (detail) console.error(detail)
  console.error(`not ok - ${description}`)
  process.exit(1)
}

function pass(description) {
  console.log(`ok - ${description}`)
}

function assert(condition, description, detail) {
  if (!condition) fail(description, detail)
  pass(description)
}

function assertEqual(actual, expected, description) {
  assert(
    actual === expected,
    description,
    `expected: ${expected}\nactual:   ${actual}`
  )
}

function assertDeepEqual(actual, expected, description) {
  const actualJson = JSON.stringify(actual)
  const expectedJson = JSON.stringify(expected)
  assert(
    actualJson === expectedJson,
    description,
    `expected: ${expectedJson}\nactual:   ${actualJson}`
  )
}

function requireFromRoot(relativePath) {
  return require(path.join(root, relativePath))
}

JS_PRELUDE
    cat
  } | node
}