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Unit testing Connections.ts (#66)

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* Jest, Enzyme test env setup

* unit tests for telemetry state update logic

* remove sinon, superfluous scripts

* Remove console log
This commit is contained in:
YJ
2018-10-05 00:14:53 -07:00
committed by Maciej Hirsz
parent b8ad6249ca
commit 8e16f7c129
7 changed files with 1279 additions and 86 deletions
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packages/frontend/src/Connection.ts
+68 -64
View File
@@ -81,73 +81,11 @@ export class Connection {
this.socket.send(`subscribe:${chain}`);
}
private bindSocket() {
this.ping();
this.state = this.update({
status: 'online',
nodes: new Map(),
sortedNodes: [],
});
if (this.state.subscribed) {
this.resubscribeTo = this.state.subscribed;
this.state = this.update({ subscribed: null });
}
this.socket.addEventListener('message', this.handleMessages);
this.socket.addEventListener('close', this.handleDisconnect);
this.socket.addEventListener('error', this.handleDisconnect);
}
private ping = () => {
if (this.pingSent) {
this.handleDisconnect();
return;
}
this.pingId += 1;
this.pingSent = timestamp();
this.socket.send(`ping:${this.pingId}`);
this.pingTimeout = setTimeout(this.ping, 30000);
}
private pong(id: number) {
if (!this.pingSent) {
console.error('Received a pong without sending a ping first');
this.handleDisconnect();
return;
}
if (id !== this.pingId) {
console.error('pingId differs');
this.handleDisconnect();
}
const latency = timestamp() - this.pingSent;
this.pingSent = null;
console.log('latency', latency);
}
private clean() {
clearTimeout(this.pingTimeout);
this.pingSent = null;
this.socket.removeEventListener('message', this.handleMessages);
this.socket.removeEventListener('close', this.handleDisconnect);
this.socket.removeEventListener('error', this.handleDisconnect);
}
private handleMessages = (event: MessageEvent) => {
const data = event.data as FeedMessage.Data;
public handleMessages = (messages: FeedMessage.Message[]) => {
const { nodes, chains } = this.state;
let { sortedNodes } = this.state;
messages: for (const message of FeedMessage.deserialize(data)) {
messages: for (const message of messages) {
switch (message.action) {
case Actions.FeedVersion: {
if (message.payload !== VERSION) {
@@ -329,6 +267,72 @@ export class Connection {
this.autoSubscribe();
}
private bindSocket() {
this.ping();
this.state = this.update({
status: 'online',
nodes: new Map()
});
if (this.state.subscribed) {
this.resubscribeTo = this.state.subscribed;
this.state = this.update({ subscribed: null });
}
this.socket.addEventListener('message', this.handleFeedData);
this.socket.addEventListener('close', this.handleDisconnect);
this.socket.addEventListener('error', this.handleDisconnect);
}
private ping = () => {
if (this.pingSent) {
this.handleDisconnect();
return;
}
this.pingId += 1;
this.pingSent = timestamp();
this.socket.send(`ping:${this.pingId}`);
this.pingTimeout = setTimeout(this.ping, 30000);
}
private pong(id: number) {
if (!this.pingSent) {
console.error('Received a pong without sending a ping first');
this.handleDisconnect();
return;
}
if (id !== this.pingId) {
console.error('pingId differs');
this.handleDisconnect();
}
const latency = timestamp() - this.pingSent;
this.pingSent = null;
console.log('latency', latency);
}
private clean() {
clearTimeout(this.pingTimeout);
this.pingSent = null;
this.socket.removeEventListener('message', this.handleFeedData);
this.socket.removeEventListener('close', this.handleDisconnect);
this.socket.removeEventListener('error', this.handleDisconnect);
}
private handleFeedData = (event: MessageEvent) => {
const data = event.data as FeedMessage.Data;
this.handleMessages(FeedMessage.deserialize(data));
}
private autoSubscribe() {
const { subscribed, chains } = this.state;
const { resubscribeTo } = this;