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test.js
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test.js
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/* jshint expr:true */
/* jshint unused:false */
'use strict';
var range = require('./');
var should = require('should');
function setTime(d, v) {
v = v || 0;
['Hours', 'Minutes', 'Seconds', 'Milliseconds'].forEach(function (m) {
d['set' + m](v);
});
return d;
}
describe('range', function () {
var d1 = new Date();
setTime(d1);
var d2 = new Date(d1 - (range.DAY * 2)); // - 2 days
it('should throw an error if start or end is not a date', function() {
var errs = [];
try {
range(d2, 'foo');
} catch(e) {
errs.push(e);
}
try {
range('foo', d1);
} catch(e) {
errs.push(e);
}
errs.length.should.equal(2);
errs.every(function(v) { return v instanceof TypeError; }).should.be.true;
});
before(function() {
this.dr = range(new Date(d1 - (range.DAY * 3)), d1);
});
it('should return an array', function() {
this.dr.should.be.instanceof(Array);
});
it('should create an array of length 4', function() {
this.dr.length.should.equal(4);
});
it('should step by 1 day', function() {
this.dr.slice(1).every(function (d, i) {
return d - this.dr[i] === range.DAY;
}, this).should.be.true;
});
it('should default to new date for end', function() {
var dr = range(d2);
dr.length.should.equal(4);
});
it('should work with multiple step types', function() {
['MS', 'SEC', 'MIN', 'HOUR', 'DAY'].forEach(function(m) {
var d = new Date(d1 - (range[m] * 5));
var dr = range(d, d1, range[m]);
dr.length.should.equal(6);
});
});
});