run_nbfmt_test.sh

#!/bin/bash -u
#
# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

declare -i status=0

function test_file() {
  local file="$1"
  local temp="${file}.tmp"
  local diff="${file}.diff"

  echo -n "Testing ${file} ... "
  python "$(dirname $0)/nbfmt.py" "${file}" > "${temp}"
  if diff -u "${file}" "${temp}" > "${diff}" 2>&1; then
    echo "no diff."
  else
    status=1
    echo "found diff:"
    echo
    cat "${diff}"
    echo
  fi
  rm "${temp}" "${diff}"
}

for file in $(find . -name 'third_party' -prune -o -name '*.ipynb' -print | sort); do
  test_file "${file}"
done

echo
if [ ${status} -eq 0 ]; then
  echo "PASSED"
else
  echo "FAILED"
fi

exit ${status}