Create basic keyring-controller unit test file

app/scripts/keyring-controller.js

@@ -17,6 +17,7 @@ module.exports = class KeyringController extends EventEmitter {
     super()
     this.configManager = opts.configManager
     this.ethStore = opts.ethStore
+    this.encryptor = encryptor
     this.keyrings = []
     this.identities = {} // Essentially a name hash
   }
@@ -46,11 +47,11 @@ module.exports = class KeyringController extends EventEmitter {
   }
 
   createNewVault(password, entropy, cb) {
-    const salt = generateSalt()
+    const salt = this.encryptor.generateSalt()
     this.configManager.setSalt(salt)
     this.loadKey(password)
     .then((key) => {
-      return encryptor.encryptWithKey(key, [])
+      return this.encryptor.encryptWithKey(key, [])
     })
     .then((encryptedString) => {
       this.configManager.setVault(encryptedString)
@@ -75,8 +76,8 @@ module.exports = class KeyringController extends EventEmitter {
   }
 
   loadKey(password) {
-    const salt = this.configManager.getSalt() || generateSalt()
-    return encryptor.keyFromPassword(password + salt)
+    const salt = this.configManager.getSalt() || this.encryptor.generateSalt()
+    return this.encryptor.keyFromPassword(password + salt)
     .then((key) => {
       this.key = key
       return key
@@ -134,7 +135,7 @@ module.exports = class KeyringController extends EventEmitter {
         data: k.serialize(),
       }
     })
-    return encryptor.encryptWithKey(this.key, serialized)
+    return this.encryptor.encryptWithKey(this.key, serialized)
     .then((encryptedString) => {
       this.configManager.setVault(encryptedString)
       return true
@@ -146,7 +147,7 @@ module.exports = class KeyringController extends EventEmitter {
 
   unlockKeyrings(key) {
     const encryptedVault = this.configManager.getVault()
-    return encryptor.decryptWithKey(key, encryptedVault)
+    return this.encryptor.decryptWithKey(key, encryptedVault)
     .then((vault) => {
       this.keyrings = vault.map(this.restoreKeyring.bind(this, 0))
       return this.keyrings
@@ -278,9 +279,3 @@ module.exports = class KeyringController extends EventEmitter {
 
 }
 
-function generateSalt (byteCount = 32) {
-  var view = new Uint8Array(byteCount)
-  global.crypto.getRandomValues(view)
-  var b64encoded = btoa(String.fromCharCode.apply(null, view))
-  return b64encoded
-}

app/scripts/lib/encryptor.js

@@ -22,6 +22,8 @@ module.exports = {
   // Buffer <-> base64 string methods
   encodeBufferToBase64,
   decodeBase64ToBuffer,
+
+  generateSalt,
 }
 
 // Takes a Pojo, returns encrypted text.
@@ -135,3 +137,10 @@ function decodeBase64ToBuffer (base64) {
   }))
   return buf
 }
+
+function generateSalt (byteCount = 32) {
+  var view = new Uint8Array(byteCount)
+  global.crypto.getRandomValues(view)
+  var b64encoded = btoa(String.fromCharCode.apply(null, view))
+  return b64encoded
+}

test/lib/mock-encryptor.js

@@ -0,0 +1,32 @@
+var mockHex = '0xabcdef0123456789'
+var mockKey = new Buffer(32)
+let cacheVal
+
+module.exports = {
+
+  encrypt(password, dataObj) {
+    cacheVal = dataObj
+    return Promise.resolve(mockHex)
+  },
+
+  decrypt(password, text) {
+    return Promise.resolve(cacheVal || {})
+  },
+
+  encryptWithKey(key, dataObj) {
+    return this.encrypt(key, dataObj)
+  },
+
+  decryptWithKey(key, text) {
+    return this.decrypt(key, text)
+  },
+
+  keyFromPassword(password) {
+    return Promise.resolve(mockKey)
+  },
+
+  generateSalt() {
+    return 'WHADDASALT!'
+  },
+
+}

test/unit/keyring-controller-test.js

@@ -3,33 +3,48 @@ var KeyringController = require('../../app/scripts/keyring-controller')
 var configManagerGen = require('../lib/mock-config-manager')
 const ethUtil = require('ethereumjs-util')
 const async = require('async')
+const mockEncryptor = require('../lib/mock-encryptor')
 
 describe('KeyringController', function() {
 
+  let keyringController
+  let password = 'password123'
+  let entropy = 'entripppppyy duuude'
+  let seedWords
+  let accounts = []
+  let originalKeystore
+
+  beforeEach(function() {
+    window.localStorage = {} // Hacking localStorage support into JSDom
+
+    keyringController = new KeyringController({
+      configManager: configManagerGen(),
+      ethStore: {
+        addAccount(acct) { accounts.push(ethUtil.addHexPrefix(acct)) },
+      },
+    })
+
+    // Stub out the browser crypto for a mock encryptor.
+    // Browser crypto is tested in the integration test suite.
+    keyringController.encryptor = mockEncryptor
+  })
+
   describe('#createNewVault', function () {
-    let keyringController
-    let password = 'password123'
-    let entropy = 'entripppppyy duuude'
-    let seedWords
-    let accounts = []
-    let originalKeystore
+    it('should set a vault on the configManager', function(done) {
+      assert(!keyringController.configManager.getVault(), 'no previous vault')
+      keyringController.createNewVault(password, null, function (err, state) {
+        assert.ifError(err)
+        const vault = keyringController.configManager.getVault()
+        assert(vault, 'vault created')
 
-    before(function(done) {
-      window.localStorage = {} // Hacking localStorage support into JSDom
-
-      keyringController = new KeyringController({
-        configManager: configManagerGen(),
-        ethStore: {
-          addAccount(acct) { accounts.push(ethUtil.addHexPrefix(acct)) },
-        },
-      })
-
-      keyringController.createNewVault(password, entropy, (err, seeds) => {
-        assert.ifError(err, 'createNewVault threw error')
-        seedWords = seeds
-        originalKeystore = keyringController._idmgmt.keyStore
         done()
       })
     })
   })
+
 })
+
+
+
+
+