test for Account.authenticate

core/model/Account.coffee

@@ -177,6 +177,22 @@ Account.statics.generateToken = (callback) ->
     else
       callback token
 
+# @param callback(Token, Account)
+Account.statics.authenticate = (token, callback) ->
+  unless token
+    return callback()
+
+  @findOneAndUpdate
+    'tokens.token': token
+  ,
+    $set:
+      'tokens.$.updated_at': new Date()
+  , (err, account) ->
+    matched_token = _.findWhere account?.tokens,
+      token: token
+
+    callback matched_token, account
+
 # @param callback(err, Token)
 Account.methods.createToken = (type, payload, callback) ->
   models.Account.generateToken (token) =>

core/test/model/Account.test.coffee

@@ -115,6 +115,28 @@ describe 'model/Account', ->
         err.should.be.exist
         done()
 
+  describe 'authenticate', ->
+    it 'should success', (done) ->
+      Account.authenticate util.token, (token, account) ->
+        token.token.should.equal util.token
+        account.id.should.equal util.account.id
+
+        done()
+
+    it 'should fail with no token', (done) ->
+      Account.authenticate '', (token, account) ->
+        expect(token).to.not.exist
+        expect(account).to.not.exist
+
+        done()
+
+    it 'should fail with invalid token', (done) ->
+      Account.authenticate 'invalid token', (token, account) ->
+        expect(token).to.not.exist
+        expect(account).to.not.exist
+
+        done()
+
   describe 'matchPassword', ->
     it 'should be matched', ->
       util.account.matchPassword(util.password).should.be.ok