trying stuff to mock mysql

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);
+                }
+            });
+        });
+    });
+}