session-desktop/test/views/timestamp_view_test.js

89 lines
3.8 KiB
JavaScript

/*
* vim: ts=4:sw=4:expandtab
*/
'use strict';
describe('TimestampView', function() {
it('formats long-ago timestamps correctly', function() {
var timestamp = Date.now();
var brief_view = new Whisper.BriefTimestampView().render(),
ext_view = new Whisper.ExtendedTimestampView().render();
// Helper functions to check absolute and relative timestamps
// Helper to check an absolute TS for an exact match
var check = function(view, ts, expected) {
var result = view.getRelativeTimeSpanString(ts);
assert.strictEqual(result, expected);
};
// Helper to check relative times for an exact match against both views
var checkDiff = function(sec_ago, expected_brief, expected_ext) {
check(brief_view, timestamp - sec_ago * 1000, expected_brief);
check(ext_view, timestamp - sec_ago * 1000, expected_ext);
};
// Helper to check an absolute TS for an exact match against both views
var checkAbs = function(ts, expected_brief, expected_ext) {
if (!expected_ext) {
expected_ext = expected_brief;
}
check(brief_view, ts, expected_brief);
check(ext_view, ts, expected_ext);
};
// Helper to check an absolute TS for a match at the beginning against
var checkStartsWith = function(view, ts, expected) {
var result = view.getRelativeTimeSpanString(ts);
var regexp = new RegExp("^" + expected);
assert.match(result, regexp);
};
// check integer timestamp, JS Date object and moment object
checkAbs(timestamp, 'now', 'a few seconds ago');
checkAbs(new Date(), 'now', 'a few seconds ago');
checkAbs(moment(), 'now', 'a few seconds ago');
// check recent timestamps
checkDiff(30, 'now', 'a few seconds ago'); // 30 seconds
checkDiff(50, '1 min', 'a minute ago'); // >= 45 seconds => 1 minute
checkDiff(40*60, '40 min', '40 minutes ago');
checkDiff(60*60, '1 hour', 'an hour ago');
checkDiff(125*60, '2 hours', '2 hours ago');
// set to third of month to avoid problems on the 29th/30th/31st
var last_month = moment().subtract(1, 'month').date(3),
months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
day_of_month = new Date().getDate();
check(brief_view,last_month, months[last_month.month()] + ' 3');
checkStartsWith(ext_view,last_month, months[last_month.month()] + ' 3');
// subtract 26 hours to be safe in case of DST stuff
var yesterday = new Date(timestamp - 26*60*60*1000),
days_of_week = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
check(brief_view, yesterday, days_of_week[yesterday.getDay()]);
checkStartsWith(ext_view, yesterday, days_of_week[yesterday.getDay()]);
// Check something long ago
// months are zero-indexed in JS for some reason
check(brief_view, new Date(2012, 4, 5, 17, 30, 0), 'May 5, 2012');
checkStartsWith(ext_view, new Date(2012, 4, 5, 17, 30, 0), 'May 5, 2012');
});
it('updates at reasonable intervals', function() {
var view = new Whisper.TimestampView();
assert.isBelow(view.computeDelay(1000), 60 * 1000); // < minute
assert.strictEqual(view.computeDelay(1000 * 60 * 5), 60 * 1000); // minute
assert.strictEqual(view.computeDelay(1000 * 60 * 60 * 5), 60 * 60 * 1000); // hour
assert.isBelow(view.computeDelay(6 * 24 * 60 * 60 * 1000), 7 * 24 * 60 * 60 * 1000); // < week
// return falsey value for long ago dates that don't update
assert.notOk(view.computeDelay(1000 * 60 * 60 * 24 * 8));
});
});