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