diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..f221d6c
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,19 @@
+
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Jest",
+      "program": "${workspaceFolder}/node_modules/.bin/jest",
+      "args": ["--runInBand"],
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "disableOptimisticBPs": true,
+      "windows": {
+        "program": "${workspaceFolder}/node_modules/jest/bin/jest",
+      }
+    }
+  ]
+}
diff --git a/jest-test.config.js b/jest-test.config.js
new file mode 100644
index 0000000..220e31c
--- /dev/null
+++ b/jest-test.config.js
@@ -0,0 +1,19 @@
+'use strict'
+
+module.exports = {
+	displayName: 'test',
+	verbose: true,
+	collectCoverage: true,
+	coverageThreshold: {
+		global: {
+			branches: 0,
+			functions: 0,
+			lines: 0,
+			statements: 0
+		}
+	},
+	testPathIgnorePatterns: [
+		'/node_modules/',
+		'/__tests__/fixtures/',
+	]
+}
diff --git a/modules/accounts.js b/modules/accounts.js
index 5bcd759..a3f2826 100644
--- a/modules/accounts.js
+++ b/modules/accounts.js
@@ -1,51 +1,53 @@
-#!/usr/bin/env node
-
-/**
- * Accounts module
- * @module modules/accounts
- */
 
 'use strict'
 
-var sqlite = require('sqlite-async');
-let bcrypt = require('bcrypt-promise');
+const fs = require('fs-extra')
+const mime = require('mime-types')
+const sqlite = require('sqlite-async')
+const saltRounds = 10
 
-/**
- * This is a generic function that opens the database, executes a query,
- * closes the database connection and returns the data.  
- * @param {String} query - The SQL statement to execute.
- * @returns {Object} - the date returned by the query.
- */
-async function runSQL(query) {
-    try {
-		console.log(query)
-		let DBName = "./website.db";
-		const db = await sqlite.open(DBName);	
-		const data = await db.all(query);  
-		await db.close();
-		if(data.length === 1) return data[0]
-		return data;
-	} catch(err) {
-		throw err
+module.exports = class Accounts {
+
+	constructor(dbName = ':memory:') {
+		return (async() => {
+			this.db = await sqlite.open(dbName)
+			// we need this table to store the user accounts
+			const sql = 'CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY AUTOINCREMENT, user TEXT, pass TEXT);'
+			await this.db.run(sql)
+			return this
+		})()
 	}
-}
 
-module.exports.checkCredentials = async(username, password)=> {
-	try {
-	    var records = await runSQL(`SELECT count(id) AS count FROM users WHERE user="${username}";`);
+	async register(username, password, filename, filetype) {
+		const fileExtension = mime.extension(filetype)
+		await fs.copy(path, `public/avatars/${username}.${fileExtension}`)
+		password = await bcrypt.hash(password, saltRounds)
+		const sql = `INSERT INTO users(user, pass) VALUES("${username}", "${password}")`
+		await this.db.run(sql)
+		return true
+	}
+
+	async login(username, password) {
+		let sql = `SELECT count(id) AS count FROM users WHERE user="${body.user}";`
+		const records = await this.db.get(sql)
+		if(!records.count) throw new Error(`username "${username}" not found`)
+		sql = `SELECT pass FROM users WHERE user = "${body.user}";`
+		const record = await db.get(sql)
+		const valid = await bcrypt.compare(body.pass, record.pass)
+		if(valid == false) throw new Error(`invalid password for account "${username}"`)
+		return true
+	}
+
+	async checkCredentials(username, password) {
+		let sql = `SELECT count(id) AS count FROM users WHERE user="${username}";`
+		const records = await this.db.all(sql)
 		if(!records.count) throw new Error("invalid username")
-		const record = await runSQL(`SELECT pass FROM users WHERE user = "${username}";`)
+		sql = `SELECT pass FROM users WHERE user = "${username}";`
+		const record = await this.db.get(sql)
 		const valid = await bcrypt.compare(password, record.pass)
 		if(valid == false) throw new Error(`invalid password`)
 		return true
-	} catch(err) {
-	throw err
 	}
-}
-
-
-
-/* ----------------------------- STUB FUNCTIONS ----------------------------- */
 
 /**
  * This function checks the database to see if a username already exists in
@@ -54,9 +56,9 @@ module.exports.checkCredentials = async(username, password)=> {
  * @returns {boolean} - returns true if the username does not exist.
  * @throws {Error} - throws an error if the username already exists.
  */
-async function checkNoDuplicateUsername (username) {
-	return true
-}
+	async checkNoDuplicateUsername(username) {
+		return true
+	}
 
 /**
  * This function takes data from an uploaded image and saves it to the `avatars` directory. The file name will be the username.
@@ -65,9 +67,9 @@ async function checkNoDuplicateUsername (username) {
  * @returns {boolean} - returns true if the image is valid and is saved.
  * @throws {TypeError} - throws an error if the file is not a png or jpg image.
  */
-async function saveImage(path, mimetype) {
-	return true
-}
+	async saveImage(path, mimetype) {
+		return true
+	}
 
 /**
  * This function adds new users to the database.
@@ -76,6 +78,8 @@ async function saveImage(path, mimetype) {
  * @returns {boolean} - returns true if the username does not exist.
  * @throws {Error} - throws an error if the new user account has been created.
  */
-module.exports.addUser = async(username, password) => {
-    return true;  
+	async addUser(username, password) {
+		return true
+	}
+	
 }
\ No newline at end of file
diff --git a/modules/accountsOld.js b/modules/accountsOld.js
new file mode 100644
index 0000000..5bcd759
--- /dev/null
+++ b/modules/accountsOld.js
@@ -0,0 +1,81 @@
+#!/usr/bin/env node
+
+/**
+ * Accounts module
+ * @module modules/accounts
+ */
+
+'use strict'
+
+var sqlite = require('sqlite-async');
+let bcrypt = require('bcrypt-promise');
+
+/**
+ * This is a generic function that opens the database, executes a query,
+ * closes the database connection and returns the data.  
+ * @param {String} query - The SQL statement to execute.
+ * @returns {Object} - the date returned by the query.
+ */
+async function runSQL(query) {
+    try {
+		console.log(query)
+		let DBName = "./website.db";
+		const db = await sqlite.open(DBName);	
+		const data = await db.all(query);  
+		await db.close();
+		if(data.length === 1) return data[0]
+		return data;
+	} catch(err) {
+		throw err
+	}
+}
+
+module.exports.checkCredentials = async(username, password)=> {
+	try {
+	    var records = await runSQL(`SELECT count(id) AS count FROM users WHERE user="${username}";`);
+		if(!records.count) throw new Error("invalid username")
+		const record = await runSQL(`SELECT pass FROM users WHERE user = "${username}";`)
+		const valid = await bcrypt.compare(password, record.pass)
+		if(valid == false) throw new Error(`invalid password`)
+		return true
+	} catch(err) {
+	throw err
+	}
+}
+
+
+
+/* ----------------------------- STUB FUNCTIONS ----------------------------- */
+
+/**
+ * This function checks the database to see if a username already exists in
+ * the database. If it detects a duplicate it throws an exception.
+ * @param {String} username - The username to check.
+ * @returns {boolean} - returns true if the username does not exist.
+ * @throws {Error} - throws an error if the username already exists.
+ */
+async function checkNoDuplicateUsername (username) {
+	return true
+}
+
+/**
+ * This function takes data from an uploaded image and saves it to the `avatars` directory. The file name will be the username.
+ * @param {String} path - the location of the uploaded image
+ * @param {String} mimeType - the mime type of the uploaded file.
+ * @returns {boolean} - returns true if the image is valid and is saved.
+ * @throws {TypeError} - throws an error if the file is not a png or jpg image.
+ */
+async function saveImage(path, mimetype) {
+	return true
+}
+
+/**
+ * This function adds new users to the database.
+ * @param {String} username - The username to to add.
+ * @param {String} password - The password to add.
+ * @returns {boolean} - returns true if the username does not exist.
+ * @throws {Error} - throws an error if the new user account has been created.
+ */
+module.exports.addUser = async(username, password) => {
+    return true;  
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index 1af83aa..19e9f35 100644
--- a/package.json
+++ b/package.json
@@ -15,18 +15,9 @@
     "unit": "node_modules/.bin/jest --coverage --runInBand tests/unit/"
   },
   "jest": {
-    "testEnvironment": "node",
-    "verbose": true,
-    "collectCoverage": true,
-    "coverageDirectory": "docs/coverage/",
-    "coverageThreshold": {
-      "global": {
-        "branches": 0,
-        "functions": 0,
-        "lines": 0,
-        "statements": 0
-      }
-    }
+    "projects": [
+      "<rootDir>/jest-test.config.js"
+    ]
   },
   "author": "",
   "license": "ISC",
diff --git a/unit tests/accounts.spec.js b/unit tests/accounts.spec.js
new file mode 100644
index 0000000..233eb09
--- /dev/null
+++ b/unit tests/accounts.spec.js	
@@ -0,0 +1,46 @@
+
+'use strict'
+
+const Accounts = require('../modules/accounts.js')
+
+describe('register()', () => {
+	test('register a valid account', async done => {
+		expect.assertions(1)
+		try {
+			const account = await new Accounts()
+			// test goes here
+		} catch(err) {
+
+		} finally {
+
+		}
+	})
+})
+
+describe('login()', () => {
+	test('log in with valid credentials', done => {
+		expect.assertions(1)
+		try {
+			const account = await new Accounts()
+			// test goes here
+		} catch(err) {
+
+		} finally {
+
+		}
+	})
+})
+
+describe('checkCredentials()', () => {
+	test('check valid credentials', done => {
+		expect.assertions(1)
+		try {
+			const account = await new Accounts()
+			// test goes here
+		} catch(err) {
+
+		} finally {
+
+		}
+	})
+})