fix: re-create database in the test environment

Author: mvegter

lib/application.js

@@ -48,6 +48,11 @@ class BookkeepingApplication {
     async run() {
         try {
             await this.database.connect();
+
+            if (this.isInTestMode()) {
+                await this.database.dropAllTables();
+            }
+
             await this.database.migrate();
 
             if (this.isInTestMode()) {

lib/database/index.js

@@ -82,6 +82,15 @@ class SequelizeDatabase {
         return this.sequelize.close();
     }
 
+    /**
+     * Drops all tables.
+     *
+     * @returns {Promise} Promise object represents the outcome.
+     */
+    async dropAllTables() {
+        return this.sequelize.getQueryInterface().dropAllTables();
+    }
+
     /**
      * Executes every *pending* migrations.
      *