Added: tests, signin api, not working docker

api/src/utils/test_mongodb.ts

@@ -0,0 +1,30 @@
+const mongoose = require('mongoose');
+const { MongoMemoryServer } = require('mongodb-memory-server');
+
+let mongo: any = null;
+
+const connectDB = async () => {
+	mongo = await MongoMemoryServer.create({ binary: { os: { os: 'linux', dist: 'ubuntu', release: '18.04' } } }); // TODO: check that host OS is Void Linux, else remove the argument 
+	const uri = mongo.getUri();
+
+	await mongoose.connect(uri);
+};
+
+const dropDB = async () => {
+	if (mongo) {
+		await mongoose.connection.dropDatabase();
+		await mongoose.connection.close();
+		await mongo.stop();
+	}
+};
+
+const dropCollections = async () => {
+	if (mongo) {
+		const collections = await mongoose.connection.db.collections();
+		for (let collection of collections) {
+			await collection.remove();
+		}
+	}
+};
+
+export { connectDB, dropDB, dropCollections };