").css({position: 'fixed', top: 0, right: 0, background: 'white', padding: 10}).text(num +" / "+ total +" Verified").prependTo('body');
// Add a nifty UI that tells us how many messages have been verified.
// FINALLY, tell gun to subscribe to every record
// that is is/will be saved to this table.
gun.get('test').map().on(function(data, key){
// When we get realtime updates to the data,
// create or reuse a DIV that we
//var el = $('#'+key).length ? $('#'+key) : $('
');
// log the data out to, so we can visually see our test.
//$(log).append(el.attr('id', key).text(key +": "+ data));
$(log).text(key +": "+ data); // DOM updates thrash performance, try this.
// Scroll down with the logging.
//$('body').stop(true).animate({scrollTop: $(log).height()});
// Now, make sure the received data
// matches exactly the data we EXPECT
if(("Hello world, "+key+"!") === data){
// if it does, we can "check off" record
// Bump the total number of verified items and update the UI.
if(check[key]){ num += 1 }
// from our verify todo list.
check[key] = 0;
report.text(num +" / "+ total +" Verified");
}
// This next part is important:
if(Gun.obj.map(check, function(still){
// IF THERE ARE ANY RECORDS STILL LEFT TO BE VERIFIED
if(still){ return true }
})){ return } // return, PREVENTING the test from being finished.
// IF HOWEVER, every single message
// that we EXPECTED to see
// has now been seen
// then THIS ONE BROWSER PEER (of many peers)
// is finally done.
test.done();
});
// But we have to actually tell the browser to save data!
var i = 0, to = setInterval(function go(){
// Cool, make a recursive function
// that keeps going until we've saved each message.
if(env.config.each <= i){
clearTimeout(to);
return;
}
//to = setTimeout(go, env.config.wait * Math.random()); // add a little jitter.
i += 1;
var p = env.id + i;
// And actually save the data with gun,
// as a record added to one big 'test' table.
gun.get('test').get(p).put('Hello world, '+ p +'!');
}, env.config.wait);
}, {i: i += 1, id: id, ids: ids, config: config}));
});
// YAY! We're finally done.
// IF AND ONLY IF
// EVERY SINGLE BROWSER
// HAS VERIFIED
// EVERY OTHER BROWSERS' data.
// If they are ALL done, go to the next step.
return Promise.all(tests);
});
after("Everything shut down.", function(){
// which is to shut down all the browsers.
browsers.run(function(){
setTimeout(function(){
location.reload();
}, 15 * 1000);
});
// And shut down all the servers.
return servers.run(function(){
process.exit();
});
});
})
// THE END!
// Congrats, wasn't that epic?
// Or still confused how a single 200 LOC test file
// Is running correctness verification tests
// across an entire distributed system of devices/browsers?
// Well, jump on https://gitter.im/amark/gun !
// Think adding tests like this to your work place would be bomb awesome?
// We totally sell PANIC training, licenses, and support!
// Please reach out to hi@gunDB.io if you are interested
// in purchasing consulting or services for PANIC.