03. Info Parser- 23 February 2020 - exam

describe('Parser class functionality', () => {
  let expectedResult;
  let actualResult;
  let parser;
  let willThrow;

  beforeEach(() => {
    parser = new Parser('[ {"Nancy":"architect"},{"John":"developer"},{"Kate": "HR"} ]');
    expectedResult = '';
    actualResult = '';
    willThrow;
  });

  describe('constructor functionality', () => {
    it('creates a new class object, parsing to JSON the given input', () => {
      expectedResult = [{ Nancy: 'architect' }, { John: 'developer' }, { Kate: 'HR' }];
      assert.deepEqual(expectedResult, parser._data);
      assert.deepEqual([], parser._log);
      assert.deepEqual('function', typeof parser._addToLog);
    });
  });

  describe('data getter functionality', () => {
    it('adds to log array, data getter action', () => {
      parser.data;
      actualResult = parser._log;
      expectedResult = '0: getData';

      assert.equal(expectedResult, actualResult);
    });

    it('returns proper _data array', () => {
      actualResult = parser.data;
      expectedResult = [{ Nancy: 'architect' }, { John: 'developer' }, { Kate: 'HR' }];

      assert.deepEqual(expectedResult, actualResult);
    });
  });

  describe('print method functionality', () => {
    it('adds to log array print info', () => {
      parser.print();
      actualResult = parser._log;
      expectedResult = '0: print';

      assert.equal(expectedResult, actualResult);
    });

    it('returns a proper message like a table', () => {
      expectedResult = 'id|name|position\n0|Nancy|architect\n1|John|developer\n2|Kate|HR';
      actualResult = parser.print();

      assert.equal(expectedResult, actualResult);
    });
  });

  describe('addEntries method functionality', () => {
    it('adds to log array addEntries action', () => {
      parser.addEntries('Steven:tech-support Edd:administrator');
      actualResult = parser._log;
      expectedResult = '0: addEntries';

      assert.equal(expectedResult, actualResult);
    });

    it('adds to data, passed info', () => {
      actualResult = parser.addEntries('Steven:tech-support Edd:administrator');
      expectedResult = [{ Nancy: 'architect' }, { John: 'developer' }, { Kate: 'HR' }, { Steven: 'tech-support' }, { Edd: 'administrator' }];

      assert.deepEqual(expectedResult, parser.data);
    });

    it('return proper message', () => {
      actualResult = parser.addEntries('Steven:tech-support Edd:administrator');
      expectedResult = 'Entries added!';

      assert.equal(expectedResult, actualResult);
    });
  });

  describe('removeEntry method functionality', () => {
    it('adds to log array removeEntry action', () => {
      parser.removeEntry('Kate');
      actualResult = parser._log;
      expectedResult = '0: removeEntry';

      assert.equal(expectedResult, actualResult);
    });

    it('returns roper messages', () => {
      actualResult = parser.removeEntry('Kate');
      expectedResult = 'Removed correctly!';

      assert.equal(expectedResult, actualResult);
    });

    it('removes entries from a data array', () => {
      actualResult = parser.removeEntry('Kate');
      expectedResult = [{ Nancy: 'architect' }, { John: 'developer' }];

      assert.deepEqual(expectedResult, parser.data);
    });
  });
});