navy/lib/util/__tests__/table.js

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"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _chai = require("chai");
var _stripAnsi = _interopRequireDefault(require("strip-ansi"));
var _table = _interopRequireDefault(require("../table"));
/* eslint-env mocha */

describe('table', function () {
  it('should return an empty string when given no rows', function () {
    (0, _chai.expect)((0, _table.default)([])).to.equal('');
  });
  it('should render a single-row table padded by 2 spaces', function () {
    const result = (0, _table.default)([['a', 'bb']]);
    (0, _chai.expect)(result).to.equal('a  bb  ');
  });
  it('should pad each column to the longest value in that column plus 2', function () {
    const result = (0, _table.default)([['name', 'status'], ['api', 'running'], ['web', 'stopped']]);
    const lines = result.split('\n');
    (0, _chai.expect)(lines).to.have.lengthOf(3);
    (0, _chai.expect)(lines[0]).to.equal('name  status   ');
    (0, _chai.expect)(lines[1]).to.equal('api   running  ');
    (0, _chai.expect)(lines[2]).to.equal('web   stopped  ');
  });
  it('should treat null/undefined cells in the header as empty strings when sizing', function () {
    const result = (0, _table.default)([[null, 'b'], ['xx', 'yyy']]);
    const lines = result.split('\n');
    (0, _chai.expect)(lines[0]).to.equal('    b    ');
    (0, _chai.expect)(lines[1]).to.equal('xx  yyy  ');
  });
  it('should only render the cells that exist on each row (shorter rows are not back-padded)', function () {
    const result = (0, _table.default)([['a', 'b'], ['x']]);
    const lines = result.split('\n');
    (0, _chai.expect)(lines[0]).to.equal('a  b  ');
    (0, _chai.expect)(lines[1]).to.equal('x  ');
  });
  it('should size columns by visible (ANSI-stripped) length', function () {
    const ansiCell = '\u001b[31mhello\u001b[0m';
    const result = (0, _table.default)([['col1'], [ansiCell]]);
    const lines = result.split('\n');
    (0, _chai.expect)((0, _stripAnsi.default)(lines[0])).to.equal('col1   ');
    (0, _chai.expect)((0, _stripAnsi.default)(lines[1])).to.equal('hello  ');
  });
});