amzn/style-dictionary

/*
 * Copyright 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
 * the License. A copy of the License is located at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * or in the "license" file accompanying this file. This file 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.
 */

var transformConfig = require('../../lib/transform/config');

const dictionary = {
  transformGroup: {
    fooTransformGroup: ['barTransform']
  },
  transform: {
    fooTransform: {
      type: 'attribute',
      transformer: function() {
        return {bar: 'foo'}
      }
    }
  }
};

describe('transform', () => {
  describe('config', () => {
    it('Emits error when called with a transformGroup that does not exist in the dictionary', () => {
      const noTransformGroupCfg = {
        transformGroup: 'barTransformGroup'
      };

      let err = `
Unknown transformGroup "barTransformGroup" found in platform "test":
"barTransformGroup" does not match the name of a registered transformGroup.
`;

      expect(
        transformConfig.bind(null, noTransformGroupCfg, dictionary, 'test')
      ).toThrow(err);
    });

    it('Emits errors when called with a transform that does not exist', () => {
      const noTransformCfg = {
        transforms: ['fooTransform', 'barTransform', 'bazTransform']
      };

      let err = `
Unknown transforms "barTransform", "bazTransform" found in platform "test":
None of "barTransform", "bazTransform" match the name of a registered transform.
`;

      expect(
        transformConfig.bind(null, noTransformCfg, dictionary, 'test')
      ).toThrow(err);
    });
  });
});