functional-moment/tests/index.js

Demethodizing Moment.js

var test = require('tape');
var moment = require('moment');
var R = require('ramda');
var fm = require('../index');

var entries = [
    {
        date: '2014-01-23',
        duration: 30 * 60
    },
    {
        date: '2014-01-23',
        duration: 1 * 60
    },
    {
        date: 'Not a valid date',
        duration: 4 * 60 * 60
    }
];



test('moment test', function (t) {
    var dates = R.map(R.compose(moment, R.prop('date')), entries);
    var validDates = R.filter(fm.isValid, dates);

    // All the functional-moment functions are currently curried functions
    var dateFormatter = fm.format('MM/DD/YYYY');
    var formattedDates = R.map(dateFormatter, validDates);

    t.plan(5);
    t.equal(validDates.length, 2);
    t.equal(typeof dateFormatter, 'function');
    t.equal(dateFormatter(moment('2014-01-10')), '01/10/2014');
    t.equal(formattedDates.length, 2);
    t.equal(formattedDates[0], '01/23/2014');
});

test('duration test', function (t) {
    var duration = R.rPartial(moment.duration, 'seconds');
    var durations = R.map(R.compose(duration, R.prop('duration')), entries);

    // All the functional-moment functions are currently curried functions
    var humanizer = fm.duration.humanize(false);
    var humanDurations = R.map(humanizer, durations);

    t.plan(5);
    t.equal(typeof humanizer, 'function');
    t.equal(humanizer.length, 1);
    t.equal(humanDurations[0], '30 minutes');
    t.equal(humanDurations[1], 'a minute');
    t.equal(humanDurations[2], '4 hours');

});