ddb-table/lib/expressions/ProjectionExpression.test.js

Strongly typed library for querying and modeling DynamoDB documents.

"use strict";

require("mocha");
var _chai = require("chai");
var _ExpressionAttributeNames = _interopRequireDefault(require("./ExpressionAttributeNames"));
var _ProjectionExpression = _interopRequireDefault(require("./ProjectionExpression"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
describe('ProjectionExpression', () => {
  describe('init -> serialize()', () => {
    function assetSerialize(test, expected = test.trim().replace(/\s+/g, ' ')) {
      it(test, () => {
        const names = new _ExpressionAttributeNames.default();
        const exp = new _ProjectionExpression.default(names, test);
        _chai.assert.equal(exp.serialize(), expected);
      });
    }
    assetSerialize('#foo');
    assetSerialize('#foo, #bar');
    assetSerialize(' #foo  ,  #bar ', '#foo, #bar');
    assetSerialize(' foo,  #hello, #testme ');
  });
  describe('.add', () => {
    it('Basic use case', () => {
      const names = new _ExpressionAttributeNames.default();
      const exp = new _ProjectionExpression.default(names);
      exp.add({
        name: 1,
        description: 0,
        price: {
          amount: 1
        }
      });
      _chai.assert.equal(exp.serialize(), '#name, #price.#amount');
      _chai.assert.deepEqual(names.serialize(), {
        '#name': 'name',
        '#price': 'price',
        '#amount': 'amount'
      });
    });
  });
});
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