From fcf08888649ff8f73626a6dda4e5f56bbf3028ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20N=C3=A9grier?= <d.negrier@thecodingmachine.com>
Date: Mon, 29 Nov 2021 18:15:21 +0100
Subject: [PATCH] Adding a reconnect feature in case first Pusher request fails

Now, if the first pusher request fails, a waiting message will be displayed and the application will reconnect when the pusher comes back alive or the network connection is established again.
---
 front/package.json                            |   1 +
 front/src/Components/UI/ErrorDialog.svelte    |   8 +-
 front/src/Connexion/AxiosUtils.ts             |  37 ++
 front/src/Connexion/Room.ts                   |   5 +-
 front/src/Stores/ErrorStore.ts                |  44 +-
 front/yarn.lock                               |   5 +
 maps/tests/Variables/E2ETests/script.js       |  33 ++
 .../Variables/E2ETests/shared_variables.html  |  47 ++
 .../Variables/E2ETests/shared_variables.json  | 131 +++++
 pusher/src/Controller/IoSocketController.ts   |   2 +-
 pusher/src/Services/JWTTokenManager.ts        |   7 +-
 tests/.testcaferc.js                          |   4 +-
 tests/package-lock.json                       | 512 +++++++++++++++++-
 tests/package.json                            |   4 +
 tests/tests/{test.ts => reconnect.ts}         |  42 +-
 tests/tests/utils/containers.ts               |  51 ++
 tests/tests/variables.ts                      |  80 +++
 17 files changed, 981 insertions(+), 32 deletions(-)
 create mode 100644 front/src/Connexion/AxiosUtils.ts
 create mode 100644 maps/tests/Variables/E2ETests/script.js
 create mode 100644 maps/tests/Variables/E2ETests/shared_variables.html
 create mode 100644 maps/tests/Variables/E2ETests/shared_variables.json
 rename tests/tests/{test.ts => reconnect.ts} (56%)
 create mode 100644 tests/tests/utils/containers.ts
 create mode 100644 tests/tests/variables.ts

diff --git a/front/package.json b/front/package.json
index ec81d8a7..6a9db0ba 100644
--- a/front/package.json
+++ b/front/package.json
@@ -54,6 +54,7 @@
     "queue-typescript": "^1.0.1",
     "quill": "1.3.6",
     "quill-delta-to-html": "^0.12.0",
+    "retry-axios": "^2.6.0",
     "rxjs": "^6.6.3",
     "simple-peer": "^9.11.0",
     "socket.io-client": "^2.3.0",
diff --git a/front/src/Components/UI/ErrorDialog.svelte b/front/src/Components/UI/ErrorDialog.svelte
index 3244de24..bf203819 100644
--- a/front/src/Components/UI/ErrorDialog.svelte
+++ b/front/src/Components/UI/ErrorDialog.svelte
@@ -1,8 +1,8 @@
 <script lang="ts">
-import {errorStore} from "../../Stores/ErrorStore";
+import {errorStore, hasClosableMessagesInErrorStore} from "../../Stores/ErrorStore";
 
 function close(): boolean {
-    errorStore.clearMessages();
+    errorStore.clearClosableMessages();
     return false;
 }
 
@@ -12,12 +12,14 @@ function close(): boolean {
     <p class="nes-text is-error title">Error</p>
     <div class="body">
     {#each $errorStore as error}
-    <p>{error}</p>
+    <p>{error.message}</p>
     {/each}
     </div>
+    {#if $hasClosableMessagesInErrorStore}
     <div class="button-bar">
         <button class="nes-btn is-error" on:click={close}>Close</button>
     </div>
+    {/if}
 </div>
 
 <style lang="scss">
diff --git a/front/src/Connexion/AxiosUtils.ts b/front/src/Connexion/AxiosUtils.ts
new file mode 100644
index 00000000..190175cf
--- /dev/null
+++ b/front/src/Connexion/AxiosUtils.ts
@@ -0,0 +1,37 @@
+import axios from "axios";
+import * as rax from "retry-axios";
+import {errorStore} from "../Stores/ErrorStore";
+
+/**
+ * This instance of Axios will retry in case of an issue and display an error message as a HTML overlay.
+ */
+export const axiosWithRetry = axios.create();
+axiosWithRetry.defaults.raxConfig = {
+    instance: axiosWithRetry,
+    retry: Infinity,
+    noResponseRetries: Infinity,
+
+    maxRetryAfter: 60_000,
+
+    // You can detect when a retry is happening, and figure out how many
+    // retry attempts have been made
+    onRetryAttempt: err => {
+        const cfg = rax.getConfig(err);
+        console.log(err)
+        console.log(cfg)
+        console.log(`Retry attempt #${cfg?.currentRetryAttempt}`);
+        errorStore.addErrorMessage('Unable to connect to WorkAdventure. Are you connected to internet?', {
+            closable: false,
+            id: "axios_retry"
+        });
+    },
+};
+
+axiosWithRetry.interceptors.response.use(res => {
+    if (res.status < 400) {
+        errorStore.clearMessageById("axios_retry");
+    }
+    return res;
+});
+
+const interceptorId = rax.attach(axiosWithRetry);
diff --git a/front/src/Connexion/Room.ts b/front/src/Connexion/Room.ts
index 4c5955cc..9603adf6 100644
--- a/front/src/Connexion/Room.ts
+++ b/front/src/Connexion/Room.ts
@@ -1,7 +1,10 @@
+import * as rax from 'retry-axios';
 import Axios from "axios";
 import { CONTACT_URL, PUSHER_URL, DISABLE_ANONYMOUS, OPID_LOGIN_SCREEN_PROVIDER } from "../Enum/EnvironmentVariable";
 import type { CharacterTexture } from "./LocalUser";
 import { localUserStore } from "./LocalUserStore";
+import axios from "axios";
+import {axiosWithRetry} from "./AxiosUtils";
 
 export class MapDetail {
     constructor(public readonly mapUrl: string, public readonly textures: CharacterTexture[] | undefined) {}
@@ -90,7 +93,7 @@ export class Room {
 
     private async getMapDetail(): Promise<MapDetail | RoomRedirect> {
         try {
-            const result = await Axios.get(`${PUSHER_URL}/map`, {
+            const result = await axiosWithRetry.get(`${PUSHER_URL}/map`, {
                 params: {
                     playUri: this.roomUrl.toString(),
                     authToken: localUserStore.getAuthToken(),
diff --git a/front/src/Stores/ErrorStore.ts b/front/src/Stores/ErrorStore.ts
index b7fb2e31..7db7ed32 100644
--- a/front/src/Stores/ErrorStore.ts
+++ b/front/src/Stores/ErrorStore.ts
@@ -1,15 +1,24 @@
-import { writable } from "svelte/store";
+import {derived, writable} from "svelte/store";
+
+interface ErrorMessage {
+    id: string|undefined;
+    closable: boolean; // Whether it can be closed by a user action or not
+    message: string | number | boolean | undefined;
+}
 
 /**
  * A store that contains a list of error messages to be displayed.
  */
 function createErrorStore() {
-    const { subscribe, set, update } = writable<string[]>([]);
+    const { subscribe, set, update } = writable<ErrorMessage[]>([]);
 
     return {
         subscribe,
-        addErrorMessage: (e: string | Error): void => {
-            update((messages: string[]) => {
+        addErrorMessage: (e: string | Error, options?: {
+            closable?: boolean,
+            id?: string
+        }): void => {
+            update((messages: ErrorMessage[]) => {
                 let message: string;
                 if (e instanceof Error) {
                     message = e.message;
@@ -17,17 +26,36 @@ function createErrorStore() {
                     message = e;
                 }
 
-                if (!messages.includes(message)) {
-                    messages.push(message);
+                if (!messages.find(errorMessage => errorMessage.message === message)) {
+                    messages.push({
+                        message,
+                        closable: options?.closable ?? true,
+                        id: options?.id
+                    });
                 }
 
                 return messages;
             });
         },
-        clearMessages: (): void => {
-            set([]);
+        clearMessageById: (id: string): void => {
+            update((messages: ErrorMessage[]) => {
+                messages = messages.filter(message => message.id !== id);
+                return messages;
+            });
+        },
+        clearClosableMessages: (): void => {
+            update((messages: ErrorMessage[]) => {
+                messages = messages.filter(message => message.closable);
+                return messages;
+            });
         },
     };
 }
 
 export const errorStore = createErrorStore();
+
+
+export const hasClosableMessagesInErrorStore = derived(errorStore, ($errorStore) => {
+    const closableMessage = $errorStore.find(errorMessage => errorMessage.closable);
+    return !!closableMessage;
+});
diff --git a/front/yarn.lock b/front/yarn.lock
index f94e659f..50cf58b3 100644
--- a/front/yarn.lock
+++ b/front/yarn.lock
@@ -4862,6 +4862,11 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
+retry-axios@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/retry-axios/-/retry-axios-2.6.0.tgz#d4dc5c8a8e73982e26a705e46a33df99a28723e0"
+  integrity sha512-pOLi+Gdll3JekwuFjXO3fTq+L9lzMQGcSq7M5gIjExcl3Gu1hd4XXuf5o3+LuSBsaULQH7DiNbsqPd1chVpQGQ==
+
 retry@^0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/retry/-/retry-0.12.0.tgz#1b42a6266a21f07421d1b0b54b7dc167b01c013b"
diff --git a/maps/tests/Variables/E2ETests/script.js b/maps/tests/Variables/E2ETests/script.js
new file mode 100644
index 00000000..1ab1b2e5
--- /dev/null
+++ b/maps/tests/Variables/E2ETests/script.js
@@ -0,0 +1,33 @@
+WA.onInit().then(() => {
+    console.log('Trying to read variable "doorOpened" whose default property is true. This should display "true".');
+    console.log('doorOpened', WA.state.loadVariable('doorOpened'));
+
+    console.log('Trying to set variable "not_exists". This should display an error in the console, followed by a log saying the error was caught.')
+    WA.state.saveVariable('not_exists', 'foo').catch((e) => {
+        console.log('Successfully caught error: ', e);
+    });
+
+    console.log('Trying to set variable "myvar". This should work.');
+    WA.state.saveVariable('myvar', {'foo': 'bar'});
+
+    console.log('Trying to read variable "myvar". This should display a {"foo": "bar"} object.');
+    console.log(WA.state.loadVariable('myvar'));
+
+    console.log('Trying to set variable "myvar" using proxy. This should work.');
+    WA.state.myvar = {'baz': 42};
+
+    console.log('Trying to read variable "myvar" using proxy. This should display a {"baz": 42} object.');
+    console.log(WA.state.myvar);
+
+    console.log('Trying to set variable "config". This should not work because we are not logged as admin.');
+    WA.state.saveVariable('config', {'foo': 'bar'}).catch(e => {
+        console.log('Successfully caught error because variable "config" is not writable: ', e);
+    });
+
+    console.log('Trying to read variable "readableByAdmin" that can only be read by "admin". We are not admin so we should not get the default value.');
+    if (WA.state.readableByAdmin === true) {
+        console.error('Failed test: readableByAdmin can be read.');
+    } else {
+        console.log('Success test: readableByAdmin was not read.');
+    }
+});
diff --git a/maps/tests/Variables/E2ETests/shared_variables.html b/maps/tests/Variables/E2ETests/shared_variables.html
new file mode 100644
index 00000000..1208e031
--- /dev/null
+++ b/maps/tests/Variables/E2ETests/shared_variables.html
@@ -0,0 +1,47 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <script>
+        var script = document.createElement('script');
+        // Don't do this at home kids! The "document.referrer" part is actually inserting a XSS security.
+        // We are OK in this precise case because the HTML page is hosted on the "maps" domain that contains only static files.
+        document.head.appendChild(script);
+        window.addEventListener('load', () => {
+            console.log('On load');
+            WA.onInit().then(() => {
+                console.log('After WA init');
+                const textField = document.getElementById('textField');
+                textField.value = WA.state.textField;
+
+                textField.addEventListener('change', function (evt) {
+                    console.log('saving variable')
+                    WA.state.textField = this.value;
+                });
+
+                WA.state.onVariableChange('textField').subscribe((value) => {
+                    console.log('variable changed received')
+                    textField.value = value;
+                });
+
+                document.getElementById('btn').addEventListener('click', () => {
+                    console.log(WA.state.loadVariable('textField'));
+                    document.getElementById('placeholder').innerText = WA.state.loadVariable('textField');
+                });
+
+                document.getElementById('setUndefined').addEventListener('click', () => {
+                    WA.state.textField = undefined;
+                    document.getElementById('textField').value = '';
+                });
+            });
+        })
+    </script>
+</head>
+<body>
+<input type="text" id="textField" />
+
+<button id="setUndefined">Delete variable</button>
+
+<button id="btn">Display textField variable value</button>
+<div id="placeholder"></div>
+</body>
+</html>
diff --git a/maps/tests/Variables/E2ETests/shared_variables.json b/maps/tests/Variables/E2ETests/shared_variables.json
new file mode 100644
index 00000000..2de5e4c0
--- /dev/null
+++ b/maps/tests/Variables/E2ETests/shared_variables.json
@@ -0,0 +1,131 @@
+{ "compressionlevel":-1,
+ "height":10,
+ "infinite":false,
+ "layers":[
+        {
+         "data":[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
+         "height":10,
+         "id":1,
+         "name":"floor",
+         "opacity":1,
+         "properties":[
+                {
+                 "name":"openWebsite",
+                 "type":"string",
+                 "value":"shared_variables.html"
+                }, 
+                {
+                 "name":"openWebsiteAllowApi",
+                 "type":"bool",
+                 "value":true
+                }],
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        }, 
+        {
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+         "height":10,
+         "id":2,
+         "name":"start",
+         "opacity":1,
+         "type":"tilelayer",
+         "visible":true,
+         "width":10,
+         "x":0,
+         "y":0
+        }, 
+        {
+         "draworder":"topdown",
+         "id":3,
+         "name":"floorLayer",
+         "objects":[
+                {
+                 "height":67,
+                 "id":3,
+                 "name":"",
+                 "rotation":0,
+                 "text":
+                    {
+                     "fontfamily":"Sans Serif",
+                     "pixelsize":11,
+                     "text":"Test:\nChange the form\nConnect with another user\n\nResult:\nThe form should open in the same state for the other user\nAlso, a change on one user is directly propagated to the other user",
+                     "wrap":true
+                    },
+                 "type":"",
+                 "visible":true,
+                 "width":252.4375,
+                 "x":2.78125,
+                 "y":2.5
+                }, 
+                {
+                 "height":0,
+                 "id":5,
+                 "name":"textField",
+                 "point":true,
+                 "properties":[
+                        {
+                         "name":"default",
+                         "type":"string",
+                         "value":"default value"
+                        }, 
+                        {
+                         "name":"jsonSchema",
+                         "type":"string",
+                         "value":"{}"
+                        }, 
+                        {
+                         "name":"persist",
+                         "type":"bool",
+                         "value":true
+                        }, 
+                        {
+                         "name":"readableBy",
+                         "type":"string",
+                         "value":""
+                        }, 
+                        {
+                         "name":"writableBy",
+                         "type":"string",
+                         "value":""
+                        }],
+                 "rotation":0,
+                 "type":"variable",
+                 "visible":true,
+                 "width":0,
+                 "x":57.5,
+                 "y":111
+                }],
+         "opacity":1,
+         "type":"objectgroup",
+         "visible":true,
+         "x":0,
+         "y":0
+        }],
+ "nextlayerid":8,
+ "nextobjectid":10,
+ "orientation":"orthogonal",
+ "renderorder":"right-down",
+ "tiledversion":"2021.03.23",
+ "tileheight":32,
+ "tilesets":[
+        {
+         "columns":11,
+         "firstgid":1,
+         "image":"..\/tileset1.png",
+         "imageheight":352,
+         "imagewidth":352,
+         "margin":0,
+         "name":"tileset1",
+         "spacing":0,
+         "tilecount":121,
+         "tileheight":32,
+         "tilewidth":32
+        }],
+ "tilewidth":32,
+ "type":"map",
+ "version":1.5,
+ "width":10
+}
\ No newline at end of file
diff --git a/pusher/src/Controller/IoSocketController.ts b/pusher/src/Controller/IoSocketController.ts
index 35fd08d5..b84d320a 100644
--- a/pusher/src/Controller/IoSocketController.ts
+++ b/pusher/src/Controller/IoSocketController.ts
@@ -26,7 +26,7 @@ import { jwtTokenManager, tokenInvalidException } from "../Services/JWTTokenMana
 import { adminApi, FetchMemberDataByUuidResponse } from "../Services/AdminApi";
 import { SocketManager, socketManager } from "../Services/SocketManager";
 import { emitInBatch } from "../Services/IoSocketHelpers";
-import { ADMIN_SOCKETS_TOKEN, ADMIN_API_URL, DISABLE_ANONYMOUS, SOCKET_IDLE_TIMER } from "../Enum/EnvironmentVariable";
+import { ADMIN_API_URL, DISABLE_ANONYMOUS, SOCKET_IDLE_TIMER } from "../Enum/EnvironmentVariable";
 import { Zone } from "_Model/Zone";
 import { ExAdminSocketInterface } from "_Model/Websocket/ExAdminSocketInterface";
 import { CharacterTexture } from "../Services/AdminApi/CharacterTexture";
diff --git a/pusher/src/Services/JWTTokenManager.ts b/pusher/src/Services/JWTTokenManager.ts
index 40b5b824..3d580c1e 100644
--- a/pusher/src/Services/JWTTokenManager.ts
+++ b/pusher/src/Services/JWTTokenManager.ts
@@ -1,8 +1,5 @@
-import { ADMIN_API_URL, ADMIN_SOCKETS_TOKEN, ALLOW_ARTILLERY, SECRET_KEY } from "../Enum/EnvironmentVariable";
-import { uuid } from "uuidv4";
-import Jwt, { verify } from "jsonwebtoken";
-import { TokenInterface } from "../Controller/AuthenticateController";
-import { adminApi, AdminBannedData } from "../Services/AdminApi";
+import { ADMIN_SOCKETS_TOKEN, SECRET_KEY } from "../Enum/EnvironmentVariable";
+import Jwt from "jsonwebtoken";
 
 export interface AuthTokenData {
     identifier: string; //will be a email if logged in or an uuid if anonymous
diff --git a/tests/.testcaferc.js b/tests/.testcaferc.js
index 8d2ce364..e89af5b3 100644
--- a/tests/.testcaferc.js
+++ b/tests/.testcaferc.js
@@ -9,5 +9,7 @@ module.exports = {
     "path": "screenshots/",
     "takeOnFails": true,
     "thumbnails": false,
-  }
+  },
+  "assertionTimeout": 10000,
+  "selectorTimeout": 20000,
 }
diff --git a/tests/package-lock.json b/tests/package-lock.json
index 9fb72bba..fc3cf124 100644
--- a/tests/package-lock.json
+++ b/tests/package-lock.json
@@ -4,7 +4,11 @@
   "requires": true,
   "packages": {
     "": {
+      "dependencies": {
+        "@types/dockerode": "^3.3.0"
+      },
       "devDependencies": {
+        "dockerode": "^3.3.1",
         "testcafe": "^1.17.1"
       }
     },
@@ -1848,6 +1852,24 @@
         "node": ">= 8"
       }
     },
+    "node_modules/@types/docker-modem": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@types/docker-modem/-/docker-modem-3.0.2.tgz",
+      "integrity": "sha512-qC7prjoEYR2QEe6SmCVfB1x3rfcQtUr1n4x89+3e0wSTMQ/KYCyf+/RAA9n2tllkkNc6//JMUZePdFRiGIWfaQ==",
+      "dependencies": {
+        "@types/node": "*",
+        "@types/ssh2": "*"
+      }
+    },
+    "node_modules/@types/dockerode": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/@types/dockerode/-/dockerode-3.3.0.tgz",
+      "integrity": "sha512-3Mc0b2gnypJB8Gwmr+8UVPkwjpf4kg1gVxw8lAI4Y/EzpK50LixU1wBSPN9D+xqiw2Ubb02JO8oM0xpwzvi2mg==",
+      "dependencies": {
+        "@types/docker-modem": "*",
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/error-stack-parser": {
       "version": "1.3.18",
       "resolved": "https://registry.npmjs.org/@types/error-stack-parser/-/error-stack-parser-1.3.18.tgz",
@@ -1885,8 +1907,24 @@
     "node_modules/@types/node": {
       "version": "12.20.37",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.37.tgz",
-      "integrity": "sha512-i1KGxqcvJaLQali+WuypQnXwcplhtNtjs66eNsZpp2P2FL/trJJxx/VWsM0YCL2iMoIJrbXje48lvIQAQ4p2ZA==",
-      "dev": true
+      "integrity": "sha512-i1KGxqcvJaLQali+WuypQnXwcplhtNtjs66eNsZpp2P2FL/trJJxx/VWsM0YCL2iMoIJrbXje48lvIQAQ4p2ZA=="
+    },
+    "node_modules/@types/ssh2": {
+      "version": "0.5.49",
+      "resolved": "https://registry.npmjs.org/@types/ssh2/-/ssh2-0.5.49.tgz",
+      "integrity": "sha512-ffxhQhJqgTzrw8NxHTgkaDtAmAj2qxCyoves7ztpRgqvzbHcZTpTcm+ATWuuCbPQzxnnF4F3SGGTLGEWTZpwqA==",
+      "dependencies": {
+        "@types/node": "*",
+        "@types/ssh2-streams": "*"
+      }
+    },
+    "node_modules/@types/ssh2-streams": {
+      "version": "0.1.9",
+      "resolved": "https://registry.npmjs.org/@types/ssh2-streams/-/ssh2-streams-0.1.9.tgz",
+      "integrity": "sha512-I2J9jKqfmvXLR5GomDiCoHrEJ58hAOmFrekfFqmCFd+A6gaEStvWnPykoWUwld1PNg4G5ag1LwdA+Lz1doRJqg==",
+      "dependencies": {
+        "@types/node": "*"
+      }
     },
     "node_modules/acorn-hammerhead": {
       "version": "0.5.0",
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+      "dev": true,
+      "requires": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
     "buffer-from": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
@@ -6734,6 +7098,12 @@
       "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=",
       "dev": true
     },
+    "chownr": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
+      "dev": true
+    },
     "chrome-remote-interface": {
       "version": "0.30.1",
       "resolved": "https://registry.npmjs.org/chrome-remote-interface/-/chrome-remote-interface-0.30.1.tgz",
@@ -6842,6 +7212,16 @@
       "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==",
       "dev": true
     },
+    "cpu-features": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/cpu-features/-/cpu-features-0.0.2.tgz",
+      "integrity": "sha512-/2yieBqvMcRj8McNzkycjW2v3OIUOibBfd2dLEJ0nWts8NobAxwiyw9phVNS6oDL8x8tz9F7uNVFEVpJncQpeA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "nan": "^2.14.1"
+      }
+    },
     "cross-spawn": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
@@ -7000,6 +7380,55 @@
         "path-type": "^4.0.0"
       }
     },
+    "docker-modem": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/docker-modem/-/docker-modem-3.0.3.tgz",
+      "integrity": "sha512-Tgkn2a+yiNP9FoZgMa/D9Wk+D2Db///0KOyKSYZRJa8w4+DzKyzQMkczKSdR/adQ0x46BOpeNkoyEOKjPhCzjw==",
+      "dev": true,
+      "requires": {
+        "debug": "^4.1.1",
+        "readable-stream": "^3.5.0",
+        "split-ca": "^1.0.1",
+        "ssh2": "^1.4.0"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
+    "dockerode": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/dockerode/-/dockerode-3.3.1.tgz",
+      "integrity": "sha512-AS2mr8Lp122aa5n6d99HkuTNdRV1wkkhHwBdcnY6V0+28D3DSYwhxAk85/mM9XwD3RMliTxyr63iuvn5ZblFYQ==",
+      "dev": true,
+      "requires": {
+        "docker-modem": "^3.0.0",
+        "tar-fs": "~2.0.1"
+      },
+      "dependencies": {
+        "tar-fs": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.0.1.tgz",
+          "integrity": "sha512-6tzWDMeroL87uF/+lin46k+Q+46rAJ0SyPGz7OW7wTgblI273hsBqk2C1j0/xNadNLKDTUL9BukSjB7cwgmlPA==",
+          "dev": true,
+          "requires": {
+            "chownr": "^1.1.1",
+            "mkdirp-classic": "^0.5.2",
+            "pump": "^3.0.0",
+            "tar-stream": "^2.0.0"
+          }
+        }
+      }
+    },
     "electron-to-chromium": {
       "version": "1.3.906",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.906.tgz",
@@ -7165,6 +7594,12 @@
         "locate-path": "^3.0.0"
       }
     },
+    "fs-constants": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
+      "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==",
+      "dev": true
+    },
     "fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -7357,6 +7792,12 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
+    "ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
+      "dev": true
+    },
     "ignore": {
       "version": "5.1.9",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.1.9.tgz",
@@ -7699,6 +8140,12 @@
         "minimist": "^1.2.5"
       }
     },
+    "mkdirp-classic": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz",
+      "integrity": "sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==",
+      "dev": true
+    },
     "moment": {
       "version": "2.29.1",
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.1.tgz",
@@ -7723,6 +8170,13 @@
       "integrity": "sha512-KpMNwdQsYz3O/SBS1qJ/o3sqUJ5wSb8gb0pul8CO0S56b9Y2ALm8zCfsjPXsqGFfoNBkDwZuZIAjhsZI03gYVQ==",
       "dev": true
     },
+    "nan": {
+      "version": "2.15.0",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.15.0.tgz",
+      "integrity": "sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ==",
+      "dev": true,
+      "optional": true
+    },
     "nanoid": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-1.3.4.tgz",
@@ -8257,6 +8711,24 @@
       "integrity": "sha512-cPiFOTLUKvJFIg4SKVScy4ilPPW6rFgMgfuZJPNoDuMs3nC1HbMUycBoJw77xFIp6z1UJQJOfx6C9GMH80DiTw==",
       "dev": true
     },
+    "split-ca": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/split-ca/-/split-ca-1.0.1.tgz",
+      "integrity": "sha1-bIOv82kvphJW4M0ZfgXp3hV2kaY=",
+      "dev": true
+    },
+    "ssh2": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/ssh2/-/ssh2-1.5.0.tgz",
+      "integrity": "sha512-iUmRkhH9KGeszQwDW7YyyqjsMTf4z+0o48Cp4xOwlY5LjtbIAvyd3fwnsoUZW/hXmTCRA3yt7S/Jb9uVjErVlA==",
+      "dev": true,
+      "requires": {
+        "asn1": "^0.2.4",
+        "bcrypt-pbkdf": "^1.0.2",
+        "cpu-features": "0.0.2",
+        "nan": "^2.15.0"
+      }
+    },
     "stackframe": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/stackframe/-/stackframe-0.3.1.tgz",
@@ -8316,6 +8788,32 @@
         "has-flag": "^3.0.0"
       }
     },
+    "tar-stream": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.2.0.tgz",
+      "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
+      "dev": true,
+      "requires": {
+        "bl": "^4.0.3",
+        "end-of-stream": "^1.4.1",
+        "fs-constants": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.1.1"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
     "testcafe": {
       "version": "1.17.1",
       "resolved": "https://registry.npmjs.org/testcafe/-/testcafe-1.17.1.tgz",
@@ -8772,6 +9270,12 @@
         "safe-buffer": "^5.0.1"
       }
     },
+    "tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
+      "dev": true
+    },
     "type-detect": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
diff --git a/tests/package.json b/tests/package.json
index 848bc7f6..f36c5ea4 100644
--- a/tests/package.json
+++ b/tests/package.json
@@ -1,8 +1,12 @@
 {
   "devDependencies": {
+    "dockerode": "^3.3.1",
     "testcafe": "^1.17.1"
   },
   "scripts": {
     "test": "testcafe"
+  },
+  "dependencies": {
+    "@types/dockerode": "^3.3.0"
   }
 }
diff --git a/tests/tests/test.ts b/tests/tests/reconnect.ts
similarity index 56%
rename from tests/tests/test.ts
rename to tests/tests/reconnect.ts
index 94659ad7..b4a052c5 100644
--- a/tests/tests/test.ts
+++ b/tests/tests/reconnect.ts
@@ -1,13 +1,38 @@
 import {assertLogMessage} from "./utils/log";
 
-const fs = require('fs')
+const fs = require('fs');
+const Docker = require('dockerode');
 import { Selector } from 'testcafe';
 import {userAlice} from "./utils/roles";
+import {findContainer, rebootBack, rebootPusher, rebootRedis, startContainer, stopContainer} from "./utils/containers";
 
-// Note: we are also testing that we can connect if the URL contains a random query string
-fixture `Variables`
-    .page `http://play.workadventure.localhost/_/global/maps.workadventure.localhost/tests/Variables/Cache/variables_tmp.json?somerandomparam=1`;
+fixture `Reconnection`
+    .page `http://play.workadventure.localhost/_/global/maps.workadventure.localhost/tests/mousewheel.json`;
 
+test("Test that connection can succeed even if WorkAdventure starts while pusher is down", async (t: TestController) => {
+    // Let's stop the pusher
+    const container = await findContainer('pusher');
+    await stopContainer(container);
+
+    const errorMessage = Selector('.error-div');
+
+    await t
+        .navigateTo('http://play.workadventure.localhost/_/global/maps.workadventure.localhost/tests/mousewheel.json')
+        .expect(errorMessage.innerText).contains('Unable to connect to WorkAdventure')
+
+    await startContainer(container);
+
+    await t.useRole(userAlice);
+
+    t.ctx.passed = true;
+}).after(async t => {
+    if (!t.ctx.passed) {
+        console.log("Test failed. Browser logs:")
+        console.log(await t.getBrowserConsoleMessages());
+    }
+});
+
+/*
 test("Test that variables cache in the back don't prevent setting a variable in case the map changes", async (t: TestController) => {
     // Let's start by visiting a map that DOES not have the variable.
     fs.copyFileSync('../maps/tests/Variables/Cache/variables_cache_1.json', '../maps/tests/Variables/Cache/variables_tmp.json');
@@ -18,11 +43,9 @@ test("Test that variables cache in the back don't prevent setting a variable in
     // Let's REPLACE the map by a map that has a new variable
     // At this point, the back server contains a cache of the old map (with no variables)
     fs.copyFileSync('../maps/tests/Variables/Cache/variables_cache_2.json', '../maps/tests/Variables/Cache/variables_tmp.json');
-    await t.openWindow('http://play.workadventure.localhost/_/global/maps.workadventure.localhost/tests/Variables/Cache/variables_tmp.json');
-
-    await t.resizeWindow(960, 800);
-
-    await t.useRole(userAlice);
+    await t.openWindow('http://play.workadventure.localhost/_/global/maps.workadventure.localhost/tests/Variables/Cache/variables_tmp.json')
+        .resizeWindow(960, 800)
+        .useRole(userAlice);
         //.takeScreenshot('after_switch.png');
 
     // Let's check we successfully manage to save the variable value.
@@ -35,3 +58,4 @@ test("Test that variables cache in the back don't prevent setting a variable in
         console.log(await t.getBrowserConsoleMessages());
     }
 });
+*/
diff --git a/tests/tests/utils/containers.ts b/tests/tests/utils/containers.ts
new file mode 100644
index 00000000..6767b6dc
--- /dev/null
+++ b/tests/tests/utils/containers.ts
@@ -0,0 +1,51 @@
+//import Docker from "dockerode";
+//import * as Dockerode from "dockerode";
+import Dockerode = require( 'dockerode')
+
+
+/**
+ * Returns a container ID based on the container name.
+ */
+export async function findContainer(name: string): Promise<Dockerode.ContainerInfo> {
+    const docker = new Dockerode();
+
+    const containers = await docker.listContainers();
+
+    const foundContainer = containers.find((container) => container.State === 'running' && container.Names.find((containerName) => containerName.includes(name)));
+
+    if (foundContainer === undefined) {
+        throw new Error('Could not find a running container whose name contains "'+name+'"');
+    }
+
+    return foundContainer;
+}
+
+export async function stopContainer(container: Dockerode.ContainerInfo): Promise<void> {
+    const docker = new Dockerode();
+
+    await docker.getContainer(container.Id).stop();
+}
+
+export async function startContainer(container: Dockerode.ContainerInfo): Promise<void> {
+    const docker = new Dockerode();
+
+    await docker.getContainer(container.Id).start();
+}
+
+export async function rebootBack(): Promise<void> {
+    const container = await findContainer('back');
+    await stopContainer(container);
+    await startContainer(container);
+}
+
+export async function rebootPusher(): Promise<void> {
+    const container = await findContainer('pusher');
+    await stopContainer(container);
+    await startContainer(container);
+}
+
+export async function rebootRedis(): Promise<void> {
+    const container = await findContainer('redis');
+    await stopContainer(container);
+    await startContainer(container);
+}
diff --git a/tests/tests/variables.ts b/tests/tests/variables.ts
new file mode 100644
index 00000000..905a4313
--- /dev/null
+++ b/tests/tests/variables.ts
@@ -0,0 +1,80 @@
+import {assertLogMessage} from "./utils/log";
+
+const fs = require('fs');
+const Docker = require('dockerode');
+import { Selector } from 'testcafe';
+import {userAlice} from "./utils/roles";
+import {findContainer, rebootBack, rebootPusher, rebootRedis, startContainer, stopContainer} from "./utils/containers";
+
+// Note: we are also testing that passing a random query parameter does not cause any issue.
+fixture `Variables`
+    .page `http://play.workadventure.localhost/_/global/maps.workadventure.localhost/tests/Variables/shared_variables.json?somerandomparam=1`;
+
+test("Test that variables storage works", async (t: TestController) => {
+
+    const variableInput = Selector('#textField');
+
+    await Promise.all([
+        rebootBack(),
+        rebootRedis(),
+        rebootPusher(),
+    ]);
+
+    await t.useRole(userAlice)
+        .switchToIframe("#cowebsite-buffer iframe")
+        .debug()
+        .expect(variableInput.value).eql('default value')
+        .typeText(variableInput, 'new value')
+        .switchToPreviousWindow()
+        // reload
+        /*.navigateTo('http://play.workadventure.localhost/_/global/maps.workadventure.localhost/tests/Variables/shared_variables.json')
+        .switchToIframe("#cowebsite-buffer iframe")
+        .expect(variableInput.value).eql('new value')*/
+
+
+
+
+    /*
+    const backContainer = await findContainer('back');
+
+    await stopContainer(backContainer);
+
+    await startContainer(backContainer);
+*/
+
+
+    t.ctx.passed = true;
+}).after(async t => {
+    if (!t.ctx.passed) {
+        console.log("Test failed. Browser logs:")
+        console.log(await t.getBrowserConsoleMessages());
+    }
+});
+
+
+test("Test that variables cache in the back don't prevent setting a variable in case the map changes", async (t: TestController) => {
+    // Let's start by visiting a map that DOES not have the variable.
+    fs.copyFileSync('../maps/tests/Variables/Cache/variables_cache_1.json', '../maps/tests/Variables/Cache/variables_tmp.json');
+
+    await t.useRole(userAlice);
+        //.takeScreenshot('before_switch.png');
+
+    // Let's REPLACE the map by a map that has a new variable
+    // At this point, the back server contains a cache of the old map (with no variables)
+    fs.copyFileSync('../maps/tests/Variables/Cache/variables_cache_2.json', '../maps/tests/Variables/Cache/variables_tmp.json');
+    await t.openWindow('http://play.workadventure.localhost/_/global/maps.workadventure.localhost/tests/Variables/Cache/variables_tmp.json')
+        .resizeWindow(960, 800)
+        .useRole(userAlice);
+        //.takeScreenshot('after_switch.png');
+
+    // Let's check we successfully manage to save the variable value.
+    await assertLogMessage(t, 'SUCCESS!');
+
+    t.ctx.passed = true;
+}).after(async t => {
+    if (!t.ctx.passed) {
+        console.log("Test failed. Browser logs:")
+        console.log(await t.getBrowserConsoleMessages());
+    }
+});
+