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chai-moment

0.1.0 • Public • Published

chai-moment Build Status

Matchers for dates and formatted date strings powered by moment.js

Using

Also see the tests and examples.

browser-side

include chai moment after chai and moment:

<script src="moment.js"></script>
<script src="chai.js"></script>
<script src="chai-moment.js"></script>

server-side

have chai use chai-moment:

 
var chai = require('chai');
chai.use(require('chai-moment'));
 

Assertions

Compare any moment-parseable date/string/whatever with another, with optional granularity. See Moment.js docs on parsing.

When using granularity, please use one of the following: year, month, week, day, hour, minute, second. When using tdd-style assertions, if you do not use one of the listed granularities, the argument will be interpreted as a custom error message.

sameMoment

 
var dateString = '2016-04-21',
    date = new Date(2016, 3, 21),
    milliseconds = 1461222000000,  // assumes system has PDT timezone
    obj = { y: 2016, M: 3, d: 21 },
    arr = [2016, 3, 21],
    momentObj = moment('2016-04-21'),
    oneDayLater = '2016-04-22';
 
// using should-style assertions
dateString.should.be.sameMoment(date);
dateString.should.be.sameMoment(oneDayLater, 'month');
 
// using expect-style assertions
expect(milliseconds).to.be.sameMoment(obj);
expect(dateString).to.be.sameMoment(oneDayLater, 'month');
 
// using tdd assertions
assert.sameMoment(arr, momentObj);
assert.sameMoment(arr, oneDayLater, 'month');
assert.sameMoment(arr, oneDayLater, 'month', 'custom error message');
assert.sameMoment(arr, oneDayLater, 'custom error message');  // fails
 

beforeMoment

 
var dateString = '2016-04-21',
    oneDayLater = '2016-04-22';
 
// using should-style assertions
dateString.should.be.beforeMoment(oneDayLater);
dateString.should.be.beforeMoment(oneDayLater, 'month');  // fails
 
// using expect-style assertions
expect(dateString).to.be.beforeMoment(oneDayLater);
expect(dateString).to.be.beforeMoment(oneDayLater, 'month');  // fails
 
// using tdd assertions
assert.beforeMoment(dateString, oneDayLater);
assert.beforeMoment(dateString, oneDayLater, 'month');  // fails
assert.beforeMoment(dateString, oneDayLater, 'month', 'custom error message');  // fails
assert.beforeMoment(dateString, oneDayLater, 'custom error message');
 

afterMoment

 
var dateString = '2016-04-21',
    oneDayLater = '2016-04-22';
 
// using should-style assertions
oneDayLater.should.be.afterMoment(dateString);
oneDayLater.should.be.afterMoment(dateString, 'month');  // fails
 
// using expect-style assertions
expect(oneDayLater).to.be.afterMoment(dateString);
expect(oneDayLater).to.be.afterMoment(dateString, 'month');  // fails
 
// using tdd assertions
assert.afterMoment(oneDayLater, dateString);
assert.afterMoment(oneDayLater, dateString, 'month');  // fails
assert.afterMoment(oneDayLater, dateString, 'month', 'custom error message');  // fails
assert.afterMoment(oneDayLater, dateString, 'custom error message');
 

Configuration

setErrorFormat(format)

Sets the format used for reporting moments in failed assertions.

 
var chaiMoment = require('chai-moment');
 
chaiMoment.setErrorFormat('L');
 
expect(moment('2016-04-21')).to.be.beforeMoment(moment('2016-04-22'));
// Error('expected 04/21/2017 to be before 04/22/2016')
 

Thanks

Thanks to chai-fuzzy for the project structure.

Keywords

install

npm i chai-moment

Downloadsweekly downloads

5,895

version

0.1.0

license

ISC

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