Added infrastructure for basic WebSocket API (#3432)

api/user_test.go

@@ -1719,3 +1719,85 @@ func TestCheckMfa(t *testing.T) {
 
 	// need to add more test cases when enterprise bits can be loaded into tests
 }
+
+func TestUserTyping(t *testing.T) {
+	th := Setup().InitBasic()
+	Client := th.BasicClient
+	WebSocketClient, err := th.CreateWebSocketClient()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer WebSocketClient.Close()
+	WebSocketClient.Listen()
+
+	WebSocketClient.UserTyping("", "")
+	time.Sleep(300 * time.Millisecond)
+	if resp := <-WebSocketClient.ResponseChannel; resp.Error.Id != "api.websocket_handler.invalid_param.app_error" {
+		t.Fatal("should have been invalid param response")
+	}
+
+	th.LoginBasic2()
+	Client.Must(Client.JoinChannel(th.BasicChannel.Id))
+
+	WebSocketClient2, err2 := th.CreateWebSocketClient()
+	if err2 != nil {
+		t.Fatal(err2)
+	}
+	defer WebSocketClient2.Close()
+	WebSocketClient2.Listen()
+
+	WebSocketClient.UserTyping(th.BasicChannel.Id, "")
+
+	time.Sleep(300 * time.Millisecond)
+
+	stop := make(chan bool)
+	eventHit := false
+
+	go func() {
+		for {
+			select {
+			case resp := <-WebSocketClient2.EventChannel:
+				if resp.Event == model.WEBSOCKET_EVENT_TYPING && resp.UserId == th.BasicUser.Id {
+					eventHit = true
+				}
+			case <-stop:
+				return
+			}
+		}
+	}()
+
+	time.Sleep(300 * time.Millisecond)
+
+	stop <- true
+
+	if !eventHit {
+		t.Fatal("did not receive typing event")
+	}
+
+	WebSocketClient.UserTyping(th.BasicChannel.Id, "someparentid")
+
+	time.Sleep(300 * time.Millisecond)
+
+	eventHit = false
+
+	go func() {
+		for {
+			select {
+			case resp := <-WebSocketClient2.EventChannel:
+				if resp.Event == model.WEBSOCKET_EVENT_TYPING && resp.Data["parent_id"] == "someparentid" {
+					eventHit = true
+				}
+			case <-stop:
+				return
+			}
+		}
+	}()
+
+	time.Sleep(300 * time.Millisecond)
+
+	stop <- true
+
+	if !eventHit {
+		t.Fatal("did not receive typing event")
+	}
+}