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strftime coverage

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harttle
2016-10-26 01:55:33 +08:00
parent da1d28e02e
commit 34f5cfa34d
2 changed files with 106 additions and 57 deletions
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src/util/strftime.js
+1 -46
View File
@@ -24,20 +24,6 @@ var _date = {
return [31, feb, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
},
getTimezone: function(d) {
return d.toString().replace(
/^.*? ([A-Z]{3}) [0-9]{4}.*$/, "$1"
).replace(
/^.*?\(([A-Z])[a-z]+ ([A-Z])[a-z]+ ([A-Z])[a-z]+\)$/, "$1$2$3"
);
},
getGMTOffset: function(d) {
return (d.getTimezoneOffset() > 0 ? "-" : "+") +
_number.pad(Math.floor(d.getTimezoneOffset() / 60), 2) +
_number.pad(d.getTimezoneOffset() % 60, 2);
},
getDayOfYear: function(d) {
var num = 0;
for (var i = 0; i < d.getMonth(); ++i) {
@@ -62,27 +48,12 @@ var _date = {
return !!((year & 3) === 0 && (year % 100 || (year % 400 === 0 && year)));
},
getFirstDayOfMonth: function(d) {
var day = (d.getDay() - (d.getDate() - 1)) % 7;
return (day < 0) ? (day + 7) : day;
},
getLastDayOfMonth: function(d) {
var day = (d.getDay() + (_date.daysInMonth(d)[d.getMonth()] - d.getDate())) % 7;
return (day < 0) ? (day + 7) : day;
},
getSuffix: function(d) {
var str = d.getDate().toString();
var index = parseInt(str.slice(-1));
return suffixes[index] || suffixes['default'];
},
applyOffset: function(date, offset_seconds) {
date.setTime(date.valueOf() - offset_seconds * 1000);
return date;
},
century: function(d) {
return parseInt(d.getFullYear().toString().substring(0, 2), 10);
}
@@ -191,12 +162,9 @@ var format_codes = {
Y: function(d) {
return d.getFullYear();
},
// TODO: guessing the pad function won't work with negative numbers?
// TODO: getTimezoneOffset returns a positive number for GMT-7. Verify my
// assumption that it will return negative for GMT+x
z: function(d) {
var tz = d.getTimezoneOffset() / 60 * 100;
return (tz > 0 ? '-' : '+') + _number.pad(tz, 4);
return (tz > 0 ? '-' : '+') + _number.pad(Math.abs(tz), 4);
},
"%": function() {
return '%';
@@ -206,19 +174,6 @@ format_codes.h = format_codes.b;
format_codes.N = format_codes.L;
var strftime = function(d, format) {
// I used to use string split with a regex and a capturing block here,
// which I thought was really clever, but apparently this exact feature is
// fucked in IE. In every other browser (and languages), the captured
// blocks are present in the output. E.g.
// var pairs = "hello%athere".split(/(%.)/);
// => ['hello', '%a', 'there']
// IE however, just treats it the same as if no capturing block is present
// => ['hello', 'there']
// An alternate implementation of split is available here
// http://blog.stevenlevithan.com/archives/cross-browser-split
// Because that's a large amount of code for this one specific use case,
// I've just decided to loop through a regex instead.
var output = '';
var remaining = format;
test/util/strftime.js
+105 -11
View File
@@ -4,18 +4,112 @@ const expect = chai.expect;
var t = require('../../src/util/strftime.js');
describe('util/strftime', function() {
var now = new Date('2016-10-24T00:15:23+08:00');
it('should format week by %U', function() {
expect(t(now, '%U')).to.equal('43');
var now;
before(function() {
mockUTC();
now = new Date('2016-01-04T13:15:23');
then = new Date('2016-01-03T03:05:03');
});
it('should format locale date string', function() {
var date = now.toLocaleDateString('en-US');
expect(t(now, '%m/%d/%Y')).to.equal(date);
after(function() {
restoreUTC();
});
it('should format locale date string', function() {
var time = now.toLocaleTimeString('en-US', {
hour12: false
});
expect(t(now, '%H:%M:%S')).to.equal(time);
it('should format UTC datetime', function() {
expect(t(now, '%Y-%m-%dT%H:%M:%S')).to.equal('2016-01-04T13:15:23');
});
it('should format %A as Monday', function() {
expect(t(now, '%A')).to.equal('Monday');
});
it('should format %B as month name', function() {
expect(t(now, '%B')).to.equal('January');
});
it('should format %C as century', function() {
expect(t(now, '%C')).to.equal('20');
});
it('should format %c as local string', function() {
expect(t(now, '%c')).to.equal(now.toLocaleString());
});
it('should format %e as space padded date', function() {
expect(t(now, '%e')).to.equal(' 4');
});
it('should format %I as 0 padded hour12', function() {
expect(t(now, '%I')).to.equal('01');
});
it('should format %j as day of year', function() {
expect(t(now, '%j')).to.equal('004');
});
it('should format %k as space padded hour', function() {
expect(t(then, '%k')).to.equal(' 3');
});
it('should format %l as space padded hour12', function() {
expect(t(now, '%l')).to.equal(' 1');
});
it('should format %L as 0 padded millisecond', function() {
expect(t(then, '%L')).to.equal('000');
});
it('should format %p as upper cased am/pm', function() {
expect(t(now, '%p')).to.equal('PM');
expect(t(then, '%p')).to.equal('AM');
});
it('should format %P as lower cased am/pm', function() {
expect(t(now, '%P')).to.equal('pm');
expect(t(then, '%P')).to.equal('am');
});
it('should format %q as date suffix', function(){
expect(t(now, '%q')).to.equal('th');
expect(t(then, '%q')).to.equal('rd');
});
it('should format %s as UNIX seconds', function(){
expect(t(now, '%s')).to.be.match(/\d+/);
});
it('should format %u as day of week(1-7)', function(){
expect(t(now, '%u')).to.be.equal('1');
expect(t(then, '%u')).to.be.equal('7');
});
it('should format %U as week of year, starts with 0', function() {
expect(t(now, '%U')).to.equal('01');
});
it('should format %w as day of month(0-7)', function(){
expect(t(now, '%w')).to.be.equal('1');
expect(t(then, '%w')).to.be.equal('0');
});
it('should format %W as week of year, starts with 1', function(){
expect(t(now, '%W')).to.be.equal('01');
});
it('should format %x as local date string', function() {
expect(t(now, '%x')).to.equal(now.toLocaleDateString());
});
it('should format %X as local time string', function() {
expect(t(now, '%X')).to.equal(now.toLocaleTimeString());
});
it('should format %y as 2-digit year', function() {
expect(t(now, '%y')).to.equal('16');
});
it('should format %z as time zone', function() {
expect(t(now, '%z')).to.equal('+0800');
});
it('should escape %% as %', function() {
expect(t(now, '%%')).to.equal('%');
});
});
function mockUTC() {
var p = Date.prototype;
p._getHours = p.getHours;
p.getHours = p.getUTCHours;
p._getDays = p.getDays;
p.getDays = p.getUTCDays;
p._getTimezoneOffset = p._getTimezoneOffset;
p.getTimezoneOffset = () => -480;
}
function restoreUTC() {
var p = Date.prototype;
p.getHours = p._getHours;
p.getDays = p._getDays;
p.getTimezoneOffset = p._getTimezoneOffset;
}