#!/usr/bin/env bats
load 'test_helper'
fixtures 'symlink'

setup () {
 touch "${TEST_FIXTURE_ROOT}/file" "${TEST_FIXTURE_ROOT}/notasymlink"
 ln -s "${TEST_FIXTURE_ROOT}/file" "${TEST_FIXTURE_ROOT}/symlink"
 TEMP_FOLDER="$(temp_make)"
}
teardown () {
  rm -f "${TEST_FIXTURE_ROOT}/file" "${TEST_FIXTURE_ROOT}/notasymlink" "${TEST_FIXTURE_ROOT}/symlink"
  temp_del "${TEMP_FOLDER}"
}

# Correctness
@test 'assert_symlink_to() <file> <link>: returns 0 if <link> exists and is a symbolic link to <file>' {
  local -r file="${TEST_FIXTURE_ROOT}/file"
  local -r link="${TEST_FIXTURE_ROOT}/symlink"
  run assert_symlink_to "${file}" "${link}"
  [ "${status}" -eq 0 ]
  [ "${#lines[@]}" -eq 0 ]
}
@test 'assert_symlink_to() <file> <link>: returns 1 and displays path if <link> is not a symbolic link to <file>' {
  local -r file="${TEST_FIXTURE_ROOT}/dir/file.does_not_exists"
  local -r link="${TEST_FIXTURE_ROOT}/symlink"
  run assert_symlink_to "${file}" "${link}"
  [ "${status}" -eq 1 ]
  [ "${#lines[@]}" -eq 3 ]
  [ "${lines[0]}" == '-- symbolic link does not have the correct target --' ]
  [ "${lines[1]}" == "path : ${link}" ]
  [ "${lines[2]}" == '--' ]
}
@test 'assert_symlink_to() <temp_file> <link>: returns 0 if <link> exists and is a symbolic link to <temp_file>' {
  touch "${TEMP_FOLDER}/file" "${TEMP_FOLDER}/notasymlink"
  ln -s "${TEMP_FOLDER}/file" "${TEMP_FOLDER}/symlink"
  local -r file="${TEMP_FOLDER}/file"
  local -r link="${TEMP_FOLDER}/symlink"
  run assert_symlink_to "${file}" "${link}"
  [ "${status}" -eq 0 ]
  [ "${#lines[@]}" -eq 0 ]
}