thedesk/app/node_modules/exif-parser/test/test-date.js
2019-09-12 23:38:13 +09:00

60 lines
2.1 KiB
JavaScript

var date = require('../lib/date');
var minutes = 60;
var hours = minutes * 60;
var days = hours * 24;
var years = days * 365;
var leapYears = days * 366;
module.exports = {
'test parse unix epoch without timezone': function(test) {
var dateStr = '1970:01:01 00:00:00';
var timestamp = date.parseDateWithSpecFormat(dateStr);
test.strictEqual(timestamp, 0);
test.done();
},
'test parse given date without timezone': function(test) {
var dateStr = '1990:02:14 14:30:14';
var timestamp = date.parseDateWithSpecFormat(dateStr);
//between 1970 and 1990 there were 5 leap years: 1972, 1976, 1980, 1984, 1988
var expectedTimestamp = (15 * years) + (5 * leapYears) +
((31 + 13) * days) + (14 * hours) + (30 * minutes) + 14;
test.strictEqual(timestamp, expectedTimestamp);
test.done();
},
'test parse invalid date without timezone should not return anything': function(test) {
var dateStr = '1990:AA:14 14:30:14';
var timestamp = date.parseDateWithSpecFormat(dateStr);
test.strictEqual(timestamp, undefined);
test.done();
},
'test parse given date with timezone': function(test) {
var dateStr = '2004-09-04T23:39:06-08:00';
var timestamp = date.parseDateWithTimezoneFormat(dateStr);
var yearsFromEpoch = 2004 - 1970;
//1972, 1976, 1980, 1984, 1988, 1992, 1996, 2000
var leapYearsCount = 8;
//2004 is a leap year as well, hence 29 days for february
var dayCount = 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 3;
var expectedTimestamp = (yearsFromEpoch - leapYearsCount) * years +
leapYearsCount * leapYears +
dayCount * days +
23 * hours +
39 * minutes +
6 +
8 * hours; //for timezone
test.strictEqual(timestamp, expectedTimestamp);
test.done();
},
'test parse invalid date with timezone': function(test) {
var dateStr = '2004-09-04T23:39:06A08:00';
var timestamp = date.parseDateWithTimezoneFormat(dateStr);
test.strictEqual(timestamp, undefined);
test.done();
},
'test parseExifDate': function(test) {
test.strictEqual(date.parseExifDate('1970:01:01 00:00:00'), 0);
test.strictEqual(date.parseExifDate('1970-01-01T00:00:00-01:00'), 3600);
test.done();
}
}