trying stuff to mock mysql

back/db/db.ts

@@ -2,12 +2,11 @@ import mysql from "mysql";
 import logger from "../system/Logger";
 require("dotenv").config();
 
-// todo remove export
-export const db = mysql.createConnection({
+const db = mysql.createConnection({
     host: process.env.HOST_DB,
     user: process.env.USER_DB,
     password: process.env.PASSWORD_DB,
-    database: process.env.NAME_DB,
+    database: (process.env.NODE_ENV === "test") ? process.env.NAME_DB_TEST : process.env.NAME_DB,
 });
 
 db.connect(function (err) {

back/db/saveMessage-db.ts

@@ -1,5 +1,5 @@
 import { transformEmojis } from "../utils/string";
-import { db, execQueryAsync, execQueryAsyncWithId, execQuery } from "./db";
+import { execQueryAsync, execQueryAsyncWithId, execQuery } from "./db";
 import { queryFromId, queryToId, queryCcId } from "./utils/addressQueries";
 
 export async function getAllMembers(messageId: number) {
@@ -85,11 +85,10 @@ export async function registerThread(roomId: number, parentId: number, rootId: n
 
 export async function isRoomGroup(roomId: number): Promise<boolean> {
     return new Promise((resolve, reject) => {
-        const query = `SELECT isGroup FROM app_room WHERE room_id = '${roomId}'`;
-        db.query(query, (err, results, fields) => {
-            if (err) reject(err);
-            resolve(results[0].isGroup);
-        });
+        const query = `SELECT isGroup FROM app_room WHERE room_id = ?`;
+        const values = [roomId];
+        const results = execQueryAsync(query, values);
+        return results[0].isGroup;
     });
 }
 

back/package.json

@@ -29,12 +29,18 @@
     "@types/node": "^18.15.11",
     "concurrently": "^8.0.1",
     "jest": "^29.5.0",
+    "sql-mysql": "^1.2.0",
+    "sqlite3": "^5.1.6",
+    "sqlparser": "^0.1.7",
     "ts-jest": "^29.0.5",
     "ts-node": "^10.9.1",
     "typescript": "^4.9.5"
   },
   "jest": {
     "preset": "ts-jest",
+    "setupFiles": [
+      "<rootDir>/test/.jest/setEnvVars.js"
+    ],
     "testEnvironment": "node",
     "testMatch": [
       "<rootDir>/test//**/*-test.[jt]s?(x)"

back/test/.jest/setEnvVars.js

@@ -0,0 +1 @@
+process.env.NODE_ENV = "test";

back/test/mail/saveMessage-test.ts

@@ -1,3 +1,11 @@
+import mysql from "mysql";
+
+jest.mock("mysql");
+mysql.createConnection = jest.fn();
+mysql.createConnection.mockImplementation(() => {
+    return { connect: () => new Promise((resolve, rejects) => resolve(true)) };
+});
+
 import { generateAttrs, generateUsers } from "../test-utils/test-attrsUtils";
 import registerMessageInApp, { roomType } from "../../mails/saveMessage";
 import { jest, describe, it, expect } from "@jest/globals";
@@ -5,7 +13,6 @@ import { jest, describe, it, expect } from "@jest/globals";
 import { getAddresseId, getUserIdOfMailbox } from "../../db/utils/mail";
 // todo esbuild
 // todo mock db
-
 // new message from us
 //     to multiple people -> room
 //         if response has same member => group
@@ -20,13 +27,12 @@ import { getAddresseId, getUserIdOfMailbox } from "../../db/utils/mail";
 //         // make it better
 //         if multiple members reply -> group
 //         if only me reply -> channel
-
 const users = generateUsers(5);
 const ownUser = users[0];
 const messageId = 1;
 const boxId = 1;
 
-jest.mock("../../db/mail", () => ({
+jest.mock("../../db/utils/mail", () => ({
     getAddresseId: jest.fn().mockImplementation((email) => {
         const match = users.find((user) => user.user.mailbox + "@" + user.user.host == email);
         return new Promise((resolve, reject) => resolve(match?.id));
@@ -36,6 +42,10 @@ jest.mock("../../db/mail", () => ({
     }),
 }));
 
+beforeAll(async () => {
+
+});
+
 describe("saveMessage", () => {
     describe("functions", () => {
         it("isFromUs", async () => {

back/test/test-utils/db/test-db.ts

@@ -1,5 +1,35 @@
-export default class DB {
-    constructor() {
+const sqlite3 = require("sqlite3").verbose();
+const sqlMysql = require("sql-mysql");
+export const db = new sqlite3.Database(":memory:");
+var Parser = require("sqlparser");
+import fs from "fs";
+// const mysqlQuery = 'SELECT * FROM users WHERE age > 18';
+// const sqliteQuery = sqlMysql.toSqlite(mysqlQuery);
+// console.log(sqliteQuery)
+export function initDatabase() {
+    return new Promise((resolve, reject) => {
+        const pathSQL = __dirname + "/../../../db/structureV2.sql";
+        // fs.readdir(__dirname + "/../../../db/structureV2.sql", (err, files) => {
+        //     if (err) console.log(err);
+        //     else {
+        //         console.log("\nCurrent directory filenames:");
+        //         files.forEach((file) => {
+        //             console.log(file);
+        //         });
+        //     }
+        // });
+        const sqlTables = fs.readFileSync(pathSQL, "utf8");
+        // const sqliteTables = sqlMysql.toSqlite(sqlTables);
+        var sqliteTables = Parser.parse(sqlTables);
 
-    }
+        db.serialize(() => {
+            db.run(sqliteTables, (error) => {
+                if (error) {
+                    reject(error);
+                } else {
+                    resolve(true);
+                }
+            });
+        });
+    });
 }