Add basic event handling for clients

src/network/PeerClient.ts

@@ -5,10 +5,12 @@ import { PeerMetadata, NetworkMessage } from "./types";
 export class PeerClient extends NetworkPeer {
   private connection?: DataConnection;
   private metadata: PeerMetadata;
+  public players: string[];
 
   public constructor(metadata: PeerMetadata, customPeer?: Peer) {
     super(customPeer);
     this.metadata = metadata;
+    this.players = [];
   }
 
   public connect(peerid: string) {
@@ -29,6 +31,39 @@ export class PeerClient extends NetworkPeer {
 
   private _received(data: NetworkMessage) {
     this.emit("data", data);
+    switch (data.kind) {
+      // Someone changed name (or was forced to)
+      case "rename":
+        if (data.oldname == this.metadata.name) {
+          // We got a name change!
+          this.metadata.name = data.newname;
+        } else {
+          let idx = this.players.indexOf(data.oldname);
+          if (idx < 0) {
+            // Weird
+            console.warn(
+              `Someone (${data.oldname}) changed name but wasn't on the player list`
+            );
+            this.players.push(data.newname);
+            break;
+          }
+          this.players[idx] = data.newname;
+        }
+        this.emit("rename", data.oldname, data.newname);
+        break;
+      // A new player joined the room (this includes us)
+      case "player-joined":
+        this.players.push(data.name);
+        this.emit("player-joined", data.name);
+        break;
+      default:
+        // For most cases, we can just use the kind as event type
+        this.emit(data.kind, data);
+    }
+  }
+
+  public get name(): string {
+    return this.metadata.name;
   }
 }
 

src/tests/unit/network.spec.ts

@@ -56,7 +56,7 @@ describe("network/PeerServer", () => {
     await hook.expect("client-data", 1000, messageKind("player-joined"));
   });
 
-  test("Test multiple clients", async () => {
+  test("Test multiple clients (w/ name collision)", async () => {
     const mox = mockSource();
     const hook = new EventHook();
     createServer(mox);
@@ -76,5 +76,17 @@ describe("network/PeerServer", () => {
 });
 
 describe("network/PeerClient", () => {
-  //TODO Client tests
+  test("Client handles forced name change", async () => {
+    const mox = mockSource();
+    const hook = new EventHook();
+    createServer(mox);
+    const client1 = createClient(mox);
+    const client2 = createClient(mox);
+    hook.hookEmitter(client2, "rename", "client-rename");
+    client1.connect("test-server");
+    client2.connect("test-server");
+    await hook.expect("client-rename", 1000);
+    // Client must have changed its internal data to match the new name
+    expect(client1.name).not.toEqual(client2.name);
+  });
 });