advancements in tests and storing messages

back/test/sql/saveMessageApp-test.js

@@ -0,0 +1,19 @@
+beforeAll(async () => {
+  // const schema = fs.readFileSync('../../sql/structureV2.sql', 'utf8');
+  // await setupDB(mysqlConfig, schema);
+});
+
+afterAll(async () => {
+  global.db.query("DROP database mail_test");
+});
+
+describe('saveMessageApp', async () => {
+
+  beforeEach(() => {
+
+  });
+
+  it("", () => {
+
+  });
+});

back/test/sql/test-utilsDb.js

@@ -0,0 +1,62 @@
+const mysql = require("mysql");
+
+export class TestDb {
+    constructor (options) {
+        this.options = options;
+        this.db;
+    }
+
+    async init () {
+        return new Promise((resolve, reject) => {
+            this.db = mysql.createConnection({
+                host: this.options.databaseOptions.host,
+                user: this.options.databaseOptions.user,
+                password: this.options.databaseOptions.pwd,
+                database: this.options.databaseOptions.database,
+            });
+            
+            this.db.connect(async function (err) {
+                if (err) {
+                    reject("Impossible de se connecter", err.code)
+                } else {
+                    if (this.options.dbSchema) {
+                        const schema = fs.readFileSync(this.options.dbSchema, 'utf8');
+                        await this.execQueryAsync(schema, []);
+                        resolve("Database successfully connected and created !")
+                    } else {
+                        resolve("Database successfully connected");
+                    }
+                }
+            });
+        });
+    }
+
+    cleanTables() {
+        const query = "SELECT table_name FROM INFORMATION_SCHEMA.tables WHERE table_schema = ?";
+        const values = [this.options.databaseOptions.database];
+        this.execQueryAsync(query, values).then((results) => {
+            this.execQuery("SET FOREIGN_KEY_CHECKS=0");
+            results.map((table) => {
+                execQuery("DROP TABLE " + table.table_name);
+            });
+        });
+    }
+
+    execQuery(query, values) {
+        db.query(query, values, (err, results, fields) => {
+        });
+    }
+
+    async execQueryAsync(query, values) {
+        return new Promise((resolve, reject) => {
+            db.query(query, values, (err, results, fields) => {
+                if (err) {
+                    reject(err);
+                } else {
+                    resolve(results);
+                }
+            });
+        });
+    }
+
+}