Test the users store.

test/app-test.tsx

@@ -7,10 +7,18 @@ import * as TestUtils from 'react-addons-test-utils'
 
 import App from '../src/app'
 import UsersStore from '../src/users-store'
+import InMemoryStore from './in-memory-store'
 
 describe('App', () => {
+  let usersStore: UsersStore = null
+
+  beforeEach(() => {
+    const inMemoryStore = new InMemoryStore()
+    usersStore = new UsersStore(inMemoryStore, inMemoryStore)
+  })
+
   it('renders', () => {
-    const app = TestUtils.renderIntoDocument(<App usersStore={new UsersStore()}/>) as React.Component<any, any>
+    const app = TestUtils.renderIntoDocument(<App usersStore={usersStore}/>) as React.Component<any, any>
     const node = ReactDOM.findDOMNode(app)
     expect(node).not.to.equal(null)
   })

test/users-store-test.ts

@@ -0,0 +1,33 @@
+import * as chai from 'chai'
+const expect = chai.expect
+
+import User from '../src/user'
+import UsersStore from '../src/users-store'
+import InMemoryStore from './in-memory-store'
+
+describe('UsersStore', () => {
+  let usersStore: UsersStore = null
+  beforeEach(() => {
+    const inMemoryStore = new InMemoryStore()
+    usersStore = new UsersStore(inMemoryStore, inMemoryStore)
+  })
+
+  describe('adding a new user', () => {
+    it('contains the added user', () => {
+      const newUserLogin = 'tonald-drump'
+      usersStore.addUser(new User(newUserLogin, '', ''))
+
+      const users = usersStore.getUsers()
+      expect(users[0].getLogin()).to.equal('newUserLogin')
+    })
+
+    it('notifies when a user is added', () => {
+      let changed = false
+      usersStore.onUsersChanged(() => {
+        changed = true
+      })
+      usersStore.addUser(new User('', '', ''))
+      expect(changed).to.equal(true)
+    })
+  })
+})