const assert = require('assert') const EdgeEncryptor = require('../../app/scripts/edge-encryptor') var password = 'passw0rd1' var data = 'some random data' global.crypto = global.crypto || { getRandomValues: function (array) { for (let i = 0; i < array.length; i++) { array[i] = Math.random() * 100 } return array } } describe('EdgeEncryptor', function () { const edgeEncryptor = new EdgeEncryptor() describe('encrypt', function () { it('should encrypt the data.', function (done) { edgeEncryptor.encrypt(password, data) .then(function (encryptedData) { assert.notEqual(data, encryptedData) assert.notEqual(encryptedData.length, 0) done() }).catch(function (err) { done(err) }) }) it('should return proper format.', function (done) { edgeEncryptor.encrypt(password, data) .then(function (encryptedData) { let encryptedObject = JSON.parse(encryptedData) assert.ok(encryptedObject.data, 'there is no data') assert.ok(encryptedObject.iv && encryptedObject.iv.length != 0, 'there is no iv') assert.ok(encryptedObject.salt && encryptedObject.salt.length != 0, 'there is no salt') done() }).catch(function (err) { done(err) }) }) it('should not return the same twice.', function (done) { const encryptPromises = [] encryptPromises.push(edgeEncryptor.encrypt(password, data)) encryptPromises.push(edgeEncryptor.encrypt(password, data)) Promise.all(encryptPromises).then((encryptedData) => { assert.equal(encryptedData.length, 2) assert.notEqual(encryptedData[0], encryptedData[1]) assert.notEqual(encryptedData[0].length, 0) assert.notEqual(encryptedData[1].length, 0) done() }) }) }) describe('decrypt', function () { it('should be able to decrypt the encrypted data.', function (done) { edgeEncryptor.encrypt(password, data) .then(function (encryptedData) { edgeEncryptor.decrypt(password, encryptedData) .then(function (decryptedData) { assert.equal(decryptedData, data) done() }) .catch(function (err) { done(err) }) }) .catch(function (err) { done(err) }) }) it('cannot decrypt the encrypted data with wrong password.', function (done) { edgeEncryptor.encrypt(password, data) .then(function (encryptedData) { edgeEncryptor.decrypt('wrong password', encryptedData) .then(function (decryptedData) { assert.fail('could decrypt with wrong password') done() }) .catch(function (err) { assert.ok(err instanceof Error) assert.equal(err.message, 'Incorrect password') done() }) }) .catch(function (err) { done(err) }) }) }) })