jupyterlab/packages/nbformat/test/nbformat.spec.ts

// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.

import * as nbformat from '@jupyterlab/nbformat';

const VALIDATE = nbformat.validateMimeValue;

describe('@jupyterlab/nbformat', () => {
  describe('validateMimeValue', () => {
    it('should return true for a valid json object', () => {
      expect(VALIDATE('application/json', { foo: 1 })).toBe(true);
    });

    it('should return true for a valid json-like object', () => {
      expect(VALIDATE('application/foo+json', { foo: 1 })).toBe(true);
    });

    it('should return true for a valid string object', () => {
      expect(VALIDATE('text/plain', 'foo')).toBe(true);
    });

    it('should return true for a valid array of strings object', () => {
      expect(VALIDATE('text/plain', ['foo', 'bar'])).toBe(true);
    });

    it('should return false for a json type with string data', () => {
      expect(VALIDATE('application/foo+json', 'bar')).toBe(false);
    });

    it('should return false for a string type with json data', () => {
      expect(VALIDATE('foo/bar', { foo: 1 })).toBe(false);
    });
  });
});