diff --git a/.eslintrc b/.eslintrc
index b19b854b..039f3239 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -18,6 +18,7 @@
     "func-style": "off",
     "react/prop-types": "off",
     "react/jsx-max-props-per-line": "off",
-    "jsx-a11y/no-marquee": "off"
+    "jsx-a11y/no-marquee": "off",
+    "no-return-assign": "off",
   }
 }
diff --git a/client/package-scripts.js b/client/package-scripts.js
index 16afae39..ae7d67b3 100644
--- a/client/package-scripts.js
+++ b/client/package-scripts.js
@@ -1,12 +1,25 @@
-const {series, rimraf, commonTags, crossEnv} = require('nps-utils')
+const {series, rimraf, commonTags, crossEnv, concurrent} = require('nps-utils')
 module.exports = {
   scripts: {
     dev: crossEnv('PORT=8080 react-scripts start'),
     build: 'react-scripts build',
     default: 'pushstate-server build',
     test: {
-      default: 'jest --coverage',
-      watch: 'jest --watch',
+      default: concurrent.nps('test.unit', 'test.integration'),
+      unit: {
+        default: testEnv(
+          'jest --config=tests/jest.config.unit.json --coverage'
+        ),
+        watch: testEnv('jest --config=tests/jest.config.unit.json --watch'),
+      },
+      integration: {
+        default: testEnv(
+          'jest --config=tests/jest.config.integration.json --coverage'
+        ),
+        watch: testEnv(
+          'jest --config=tests/jest.config.integration.json --watch'
+        ),
+      },
     },
     postinstall: {
       description: commonTags.oneLine`
@@ -22,6 +35,10 @@ module.exports = {
   },
 }
 
+function testEnv(script) {
+  return crossEnv(`NODE_ENV=test ${script}`)
+}
+
 // this is not transpiled
 /*
   eslint
diff --git a/client/package.json b/client/package.json
index a111c9d9..9826c46c 100644
--- a/client/package.json
+++ b/client/package.json
@@ -6,10 +6,12 @@
     "babel-jest": "^18.0.0",
     "babel-preset-react-app": "^2.1.0",
     "cross-env": "^3.1.4",
+    "enzyme": "^2.7.1",
     "jest": "^18.1.0",
     "nps": "^5.0.4",
     "nps-utils": "^1.2.0",
     "pushstate-server": "^2.2.1",
+    "react-addons-test-utils": "^15.4.2",
     "react-scripts": "^0.9.4"
   },
   "license": "MIT",
@@ -31,27 +33,5 @@
     "test": "nps test",
     "postinstall": "nps postinstall"
   },
-  "author": "Thinkster (https://github.com/gothinkster)",
-  "jest": {
-    "testEnvironment": "jest-environment-jsdom",
-    "transform": {
-      "^.+\\.js$": "<rootDir>/node_modules/babel-jest",
-      "^.+\\.css$": "<rootDir>/config/jest/cssTransform.js",
-      "^(?!.*\\.(js|css|json)$)": "<rootDir>/config/jest/fileTransform.js"
-    },
-    "transformIgnorePatterns": [
-      "[/\\\\]node_modules[/\\\\].+\\.jsx$"
-    ],
-    "collectCoverageFrom": [
-      "src/**"
-    ],
-    "coverageThreshold": {
-      "global": {
-        "statements": 0,
-        "branches": 0,
-        "functions": 0,
-        "lines": 0
-      }
-    }
-  }
+  "author": "Thinkster (https://github.com/gothinkster)"
 }
diff --git a/client/src/index.js b/client/src/index.js
index 2f68a055..9370ba7f 100644
--- a/client/src/index.js
+++ b/client/src/index.js
@@ -9,7 +9,7 @@ import {
   hashHistory,
 } from 'react-router'
 
-import store from './store'
+import createStore from './store'
 import App from './screens/app'
 import Article from './screens/article'
 import Editor from './screens/editor'
@@ -21,7 +21,7 @@ import Register from './screens/register'
 import Settings from './screens/settings'
 
 ReactDOM.render(
-  <Provider store={store}>
+  <Provider store={createStore()}>
     <Router
       history={
         process.env.NODE_ENV === 'production' ? browserHistory : hashHistory
diff --git a/client/src/middleware.js b/client/src/middleware.js
index 295529ee..cc603365 100644
--- a/client/src/middleware.js
+++ b/client/src/middleware.js
@@ -13,8 +13,7 @@ const promiseMiddleware = store => next => action => {
         if (!skipTracking && currentState.viewChangeCounter !== currentView) {
           return
         }
-        console.log('RESULT', res)
-        action.payload = res
+        action.payload = res || {}
         store.dispatch({type: 'ASYNC_END', promise: action.payload})
         store.dispatch(action)
       },
@@ -23,7 +22,6 @@ const promiseMiddleware = store => next => action => {
         if (!skipTracking && currentState.viewChangeCounter !== currentView) {
           return
         }
-        console.log('ERROR', error)
         action.error = true
         action.payload = error.response.body
         if (!action.skipTracking) {
diff --git a/client/src/reducers/auth.js b/client/src/reducers/auth.js
index 2b0c2e08..3ff9d3b9 100644
--- a/client/src/reducers/auth.js
+++ b/client/src/reducers/auth.js
@@ -1,4 +1,4 @@
-export default (state = {}, action) => {
+export default (state = {inProgress: false, errors: null}, action) => {
   switch (action.type) {
     case 'LOGIN':
     case 'REGISTER':
@@ -16,8 +16,6 @@ export default (state = {}, action) => {
       } else {
         return state
       }
-    case 'UPDATE_FIELD_AUTH':
-      return {...state, [action.key]: action.value}
     default:
       return state
   }
diff --git a/client/src/screens/__tests__/login.js b/client/src/screens/__tests__/login.js
new file mode 100644
index 00000000..a476d93d
--- /dev/null
+++ b/client/src/screens/__tests__/login.js
@@ -0,0 +1,51 @@
+import React from 'react'
+import {mount} from 'enzyme'
+import {Component as Login} from '../login'
+
+test('renders login form by default', () => {
+  const wrapper = render()
+  expect(isSubmitButtonDisabled(wrapper)).toBe(false)
+})
+
+test('disabled button when inProgress', () => {
+  const wrapper = render({inProgress: true})
+  expect(isSubmitButtonDisabled(wrapper)).toBe(true)
+})
+
+test('shows list of errors when there are errors', () => {
+  const wrapper = render({
+    errors: {
+      'some-error': 'there was some error',
+      'some-other-error': 'there was some other error',
+    },
+  })
+  expect(getErrors(wrapper)).toEqual([
+    'some-error there was some error',
+    'some-other-error there was some other error',
+  ])
+})
+
+function render(props = {}) {
+  const propsToUse = {
+    onSubmit() {},
+    onUnload() {},
+    inProgress: false,
+    errors: {},
+    ...props,
+  }
+  return mount(<Login {...propsToUse} />)
+}
+
+function isSubmitButtonDisabled(wrapper) {
+  const button = getSubmitButton(wrapper).getNode()
+  return button.disabled
+}
+
+function getSubmitButton(wrapper) {
+  return wrapper.find('button[type="submit"]')
+}
+
+function getErrors(wrapper) {
+  return Array.from(wrapper.find('.error-messages li').getNodes())
+    .map(n => n.textContent)
+}
diff --git a/client/src/screens/login.js b/client/src/screens/login.js
index ab441207..8521a286 100644
--- a/client/src/screens/login.js
+++ b/client/src/screens/login.js
@@ -1,4 +1,4 @@
-import React from 'react'
+import React, {PropTypes} from 'react'
 import {Link} from 'react-router'
 import {connect} from 'react-redux'
 import agent from '../shared/agent'
@@ -7,24 +7,23 @@ import ListErrors from '../shared/components/list-errors'
 const mapStateToProps = state => ({...state.auth})
 
 const mapDispatchToProps = dispatch => ({
-  onChangeEmail: value =>
-    dispatch({type: 'UPDATE_FIELD_AUTH', key: 'email', value}),
-  onChangePassword: value =>
-    dispatch({type: 'UPDATE_FIELD_AUTH', key: 'password', value}),
   onSubmit: (email, password) =>
     dispatch({type: 'LOGIN', payload: agent.Auth.login(email, password)}),
   onUnload: () => dispatch({type: 'LOGIN_PAGE_UNLOADED'}),
 })
 
 class Login extends React.Component {
-  constructor() {
-    super()
-    this.changeEmail = ev => this.props.onChangeEmail(ev.target.value)
-    this.changePassword = ev => this.props.onChangePassword(ev.target.value)
-    this.submitForm = (email, password) => ev => {
-      ev.preventDefault()
-      this.props.onSubmit(email, password)
-    }
+  static propTypes = {
+    onSubmit: PropTypes.func.isRequired,
+    onUnload: PropTypes.func.isRequired,
+    inProgress: PropTypes.bool.isRequired,
+
+    // forwarding these props
+    errors: PropTypes.any,
+  }
+  submitForm = ev => {
+    ev.preventDefault()
+    this.props.onSubmit(this._email.value, this._password.value)
   }
 
   componentWillUnmount() {
@@ -32,8 +31,6 @@ class Login extends React.Component {
   }
 
   render() {
-    const email = this.props.email
-    const password = this.props.password
     return (
       <div className="auth-page">
         <div className="container page">
@@ -49,7 +46,7 @@ class Login extends React.Component {
 
               <ListErrors errors={this.props.errors} />
 
-              <form onSubmit={this.submitForm(email, password)}>
+              <form onSubmit={this.submitForm}>
                 <fieldset>
 
                   <fieldset className="form-group">
@@ -57,8 +54,7 @@ class Login extends React.Component {
                       className="form-control form-control-lg"
                       type="email"
                       placeholder="Email"
-                      value={email}
-                      onChange={this.changeEmail}
+                      ref={node => this._email = node}
                     />
                   </fieldset>
 
@@ -67,8 +63,7 @@ class Login extends React.Component {
                       className="form-control form-control-lg"
                       type="password"
                       placeholder="Password"
-                      value={password}
-                      onChange={this.changePassword}
+                      ref={node => this._password = node}
                     />
                   </fieldset>
 
@@ -91,4 +86,5 @@ class Login extends React.Component {
   }
 }
 
+export {Login as Component}
 export default connect(mapStateToProps, mapDispatchToProps)(Login)
diff --git a/client/src/screens/register.js b/client/src/screens/register.js
index 602dab5c..ff3bb95c 100644
--- a/client/src/screens/register.js
+++ b/client/src/screens/register.js
@@ -7,12 +7,6 @@ import ListErrors from '../shared/components/list-errors'
 const mapStateToProps = state => ({...state.auth})
 
 const mapDispatchToProps = dispatch => ({
-  onChangeEmail: value =>
-    dispatch({type: 'UPDATE_FIELD_AUTH', key: 'email', value}),
-  onChangePassword: value =>
-    dispatch({type: 'UPDATE_FIELD_AUTH', key: 'password', value}),
-  onChangeUsername: value =>
-    dispatch({type: 'UPDATE_FIELD_AUTH', key: 'username', value}),
   onSubmit: (username, email, password) => {
     const payload = agent.Auth.register(username, email, password)
     dispatch({type: 'REGISTER', payload})
@@ -21,15 +15,13 @@ const mapDispatchToProps = dispatch => ({
 })
 
 class Register extends React.Component {
-  constructor() {
-    super()
-    this.changeEmail = ev => this.props.onChangeEmail(ev.target.value)
-    this.changePassword = ev => this.props.onChangePassword(ev.target.value)
-    this.changeUsername = ev => this.props.onChangeUsername(ev.target.value)
-    this.submitForm = (username, email, password) => ev => {
-      ev.preventDefault()
-      this.props.onSubmit(username, email, password)
-    }
+  submitForm = ev => {
+    ev.preventDefault()
+    this.props.onSubmit(
+      this._username.value,
+      this._email.value,
+      this._password.value,
+    )
   }
 
   componentWillUnmount() {
@@ -37,10 +29,6 @@ class Register extends React.Component {
   }
 
   render() {
-    const email = this.props.email
-    const password = this.props.password
-    const username = this.props.username
-
     return (
       <div className="auth-page">
         <div className="container page">
@@ -56,7 +44,7 @@ class Register extends React.Component {
 
               <ListErrors errors={this.props.errors} />
 
-              <form onSubmit={this.submitForm(username, email, password)}>
+              <form onSubmit={this.submitForm}>
                 <fieldset>
 
                   <fieldset className="form-group">
@@ -64,8 +52,7 @@ class Register extends React.Component {
                       className="form-control form-control-lg"
                       type="text"
                       placeholder="Username"
-                      value={this.props.username}
-                      onChange={this.changeUsername}
+                      ref={node => this._username = node}
                       data-e2e="username"
                     />
                   </fieldset>
@@ -75,8 +62,7 @@ class Register extends React.Component {
                       className="form-control form-control-lg"
                       type="email"
                       placeholder="Email"
-                      value={this.props.email}
-                      onChange={this.changeEmail}
+                      ref={node => this._email = node}
                       data-e2e="email"
                     />
                   </fieldset>
@@ -86,8 +72,7 @@ class Register extends React.Component {
                       className="form-control form-control-lg"
                       type="password"
                       placeholder="Password"
-                      value={this.props.password}
-                      onChange={this.changePassword}
+                      ref={node => this._password = node}
                       data-e2e="password"
                     />
                   </fieldset>
diff --git a/client/src/store.js b/client/src/store.js
index 955e0141..991497fe 100644
--- a/client/src/store.js
+++ b/client/src/store.js
@@ -4,7 +4,9 @@ import {promiseMiddleware, localStorageMiddleware} from './middleware'
 import reducer from './reducer'
 
 const getMiddleware = () => {
-  if (process.env.NODE_ENV === 'production') {
+  const isProd = process.env.NODE_ENV === 'production'
+  const isTest = process.env.NODE_ENV === 'test'
+  if (isProd || isTest) {
     return applyMiddleware(promiseMiddleware, localStorageMiddleware)
   } else {
     // Enable additional logging in non-production environments.
@@ -16,6 +18,8 @@ const getMiddleware = () => {
   }
 }
 
-const store = createStore(reducer, getMiddleware())
+export default createStoreWithState
 
-export default store
+function createStoreWithState(state = {}) {
+  return createStore(reducer, state, getMiddleware())
+}
diff --git a/client/tests/integration/__mocks__/axios.js b/client/tests/integration/__mocks__/axios.js
new file mode 100644
index 00000000..c7c27028
--- /dev/null
+++ b/client/tests/integration/__mocks__/axios.js
@@ -0,0 +1,23 @@
+const defaultResponse = {data: {}}
+
+const __mock = {
+  reset() {
+    Object.assign(__mock.instance, {
+      get: jest.fn(() => Promise.resolve(defaultResponse)),
+      put: jest.fn(() => Promise.resolve(defaultResponse)),
+      post: jest.fn(() => Promise.resolve(defaultResponse)),
+      delete: jest.fn(() => Promise.resolve(defaultResponse)),
+      defaults: {headers: {common: {}}},
+    })
+  },
+  instance: {},
+}
+
+__mock.reset()
+
+module.exports = {
+  __mock,
+  create() {
+    return __mock.instance
+  },
+}
diff --git a/client/tests/integration/app.js b/client/tests/integration/app.js
deleted file mode 100644
index e69de29b..00000000
diff --git a/client/tests/integration/helpers/render-with-redux.js b/client/tests/integration/helpers/render-with-redux.js
new file mode 100644
index 00000000..e99a8a3c
--- /dev/null
+++ b/client/tests/integration/helpers/render-with-redux.js
@@ -0,0 +1,16 @@
+import React from 'react'
+import {Provider} from 'react-redux'
+import {mount} from 'enzyme'
+import createStore from '../../../src/store'
+
+export default renderWithState
+
+function renderWithState(state, children) {
+  const store = createStore(state)
+  const wrapper = mount(
+    <Provider store={store}>
+      {children}
+    </Provider>,
+  )
+  return {store, wrapper}
+}
diff --git a/client/tests/integration/login.test.js b/client/tests/integration/login.test.js
new file mode 100644
index 00000000..f94dcb36
--- /dev/null
+++ b/client/tests/integration/login.test.js
@@ -0,0 +1,40 @@
+import React from 'react'
+import axiosMock from 'axios'
+import Login from '../../src/screens/login'
+import renderWithState from './helpers/render-with-redux'
+
+const flushAllPromises = () => new Promise(resolve => setImmediate(resolve))
+
+test('logs in when the form is submitted', async () => {
+  const token = 'Luke, I am your father'
+  const user = {password: 'my-password', email: 'me@example.com'}
+  axiosMock.__mock.instance.post.mockImplementation(() => {
+    return Promise.resolve({data: {user: {token}}})
+  })
+
+  const {wrapper} = renderWithState({}, <Login />)
+  wrapper.find('input[type="email"]').node.value = user.email
+  wrapper.find('input[type="password"]').node.value = user.password
+  wrapper.find('form').simulate('submit')
+  await flushAllPromises()
+  expect(axiosMock.__mock.instance.post).toHaveBeenCalledTimes(1)
+  expect(axiosMock.__mock.instance.post).toHaveBeenCalledWith('/users/login', {
+    user,
+  })
+  expect(window.localStorage.setItem).toHaveBeenCalledTimes(1)
+  expect(window.localStorage.setItem).toHaveBeenCalledWith('jwt', token)
+})
+
+/*
+<Route path="/" component={App}>
+  <IndexRoute component={Home} />
+  <Route path="login" component={Login} />
+  <Route path="register" component={Register} />
+  <Route path="editor" component={Editor} />
+  <Route path="editor/:slug" component={Editor} />
+  <Route path="article/:id" component={Article} />
+  <Route path="settings" component={Settings} />
+  <Route path="@:username" component={ConnectedProfile} />
+  <Route path="@:username/favorites" component={ProfileFavorites} />
+</Route>
+ */
diff --git a/client/tests/jest.config.integration.json b/client/tests/jest.config.integration.json
new file mode 100644
index 00000000..dd85c8f1
--- /dev/null
+++ b/client/tests/jest.config.integration.json
@@ -0,0 +1,32 @@
+{
+  "setupFiles": [
+    "./tests/setup-integration.js"
+  ],
+  "testRegex": "tests/integration/.*.js$",
+  "testPathIgnorePatterns": [
+    "/node_modules/",
+    "__mocks__",
+    "helpers"
+  ],
+  "testEnvironment": "jest-environment-jsdom",
+  "transform": {
+    "^.+\\.js$": "<rootDir>/node_modules/babel-jest",
+    "^.+\\.css$": "<rootDir>/config/jest/cssTransform.js",
+    "^(?!.*\\.(js|css|json)$)": "<rootDir>/config/jest/fileTransform.js"
+  },
+  "transformIgnorePatterns": [
+    "[/\\\\]node_modules[/\\\\].+\\.js$"
+  ],
+  "collectCoverageFrom": [
+    "src/**/*.js"
+  ],
+  "coverageThreshold": {
+    "global": {
+      "statements": 10,
+      "branches": 10,
+      "functions": 10,
+      "lines": 10
+    }
+  },
+  "coverageDirectory": "coverage/integration"
+}
diff --git a/client/tests/jest.config.unit.json b/client/tests/jest.config.unit.json
new file mode 100644
index 00000000..85958174
--- /dev/null
+++ b/client/tests/jest.config.unit.json
@@ -0,0 +1,29 @@
+{
+  "testRegex": "src/.*__tests__/.*.js$",
+  "testPathIgnorePatterns": [
+    "/node_modules/",
+    "__mocks__",
+    "helpers"
+  ],
+  "testEnvironment": "jest-environment-jsdom",
+  "transform": {
+    "^.+\\.js$": "<rootDir>/node_modules/babel-jest",
+    "^.+\\.css$": "<rootDir>/config/jest/cssTransform.js",
+    "^(?!.*\\.(js|css|json)$)": "<rootDir>/config/jest/fileTransform.js"
+  },
+  "transformIgnorePatterns": [
+    "[/\\\\]node_modules[/\\\\].+\\.js$"
+  ],
+  "collectCoverageFrom": [
+    "src/**"
+  ],
+  "coverageThreshold": {
+    "global": {
+      "statements": 2,
+      "branches": 0.5,
+      "functions": 1,
+      "lines": 2
+    }
+  },
+  "coverageDirectory": "coverage/unit"
+}
\ No newline at end of file
diff --git a/client/tests/setup-integration.js b/client/tests/setup-integration.js
new file mode 100644
index 00000000..3fc00e62
--- /dev/null
+++ b/client/tests/setup-integration.js
@@ -0,0 +1,4 @@
+window.localStorage = {
+  setItem: jest.fn(),
+  getItem: jest.fn(),
+}
diff --git a/client/yarn.lock b/client/yarn.lock
index 2c771635..20c14106 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -898,20 +898,13 @@ babel-register@^6.22.0, babel-register@^6.23.0:
     mkdirp "^0.5.1"
     source-map-support "^0.4.2"
 
-babel-runtime@6.22.0:
+babel-runtime@6.22.0, babel-runtime@^6.18.0, babel-runtime@^6.20.0, babel-runtime@^6.22.0:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.22.0.tgz#1cf8b4ac67c77a4ddb0db2ae1f74de52ac4ca611"
   dependencies:
     core-js "^2.4.0"
     regenerator-runtime "^0.10.0"
 
-babel-runtime@^6.18.0, babel-runtime@^6.20.0, babel-runtime@^6.22.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.23.0.tgz#0a9489f144de70efb3ce4300accdb329e2fc543b"
-  dependencies:
-    core-js "^2.4.0"
-    regenerator-runtime "^0.10.0"
-
 babel-template@^6.16.0, babel-template@^6.22.0, babel-template@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.23.0.tgz#04d4f270adbb3aa704a8143ae26faa529238e638"
@@ -1160,6 +1153,27 @@ chalk@1.1.3, chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
+cheerio@^0.22.0:
+  version "0.22.0"
+  resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-0.22.0.tgz#a9baa860a3f9b595a6b81b1a86873121ed3a269e"
+  dependencies:
+    css-select "~1.2.0"
+    dom-serializer "~0.1.0"
+    entities "~1.1.1"
+    htmlparser2 "^3.9.1"
+    lodash.assignin "^4.0.9"
+    lodash.bind "^4.1.4"
+    lodash.defaults "^4.0.1"
+    lodash.filter "^4.4.0"
+    lodash.flatten "^4.2.0"
+    lodash.foreach "^4.3.0"
+    lodash.map "^4.4.0"
+    lodash.merge "^4.4.0"
+    lodash.pick "^4.2.1"
+    lodash.reduce "^4.4.0"
+    lodash.reject "^4.4.0"
+    lodash.some "^4.4.0"
+
 chokidar@^1.0.0:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.6.1.tgz#2f4447ab5e96e50fb3d789fd90d4c72e0e4c70c2"
@@ -1544,7 +1558,7 @@ css-loader@0.26.1:
     postcss-modules-values "^1.1.0"
     source-list-map "^0.1.4"
 
-css-select@^1.1.0:
+css-select@^1.1.0, css-select@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/css-select/-/css-select-1.2.0.tgz#2b3a110539c5355f1cd8d314623e870b121ec858"
   dependencies:
@@ -1695,6 +1709,13 @@ default-require-extensions@^1.0.0:
   dependencies:
     strip-bom "^2.0.0"
 
+define-properties@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
+  dependencies:
+    foreach "^2.0.5"
+    object-keys "^1.0.8"
+
 defined@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
@@ -1771,7 +1792,7 @@ dom-converter@~0.1:
   dependencies:
     utila "~0.3"
 
-dom-serializer@0:
+dom-serializer@0, dom-serializer@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-0.1.0.tgz#073c697546ce0780ce23be4a28e293e40bc30c82"
   dependencies:
@@ -1782,7 +1803,7 @@ domain-browser@^1.1.1:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
 
-domelementtype@1:
+domelementtype@1, domelementtype@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.3.0.tgz#b17aed82e8ab59e52dd9c19b1756e0fc187204c2"
 
@@ -1796,13 +1817,19 @@ domhandler@2.1:
   dependencies:
     domelementtype "1"
 
+domhandler@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-2.3.0.tgz#2de59a0822d5027fabff6f032c2b25a2a8abe738"
+  dependencies:
+    domelementtype "1"
+
 domutils@1.1:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.1.6.tgz#bddc3de099b9a2efacc51c623f28f416ecc57485"
   dependencies:
     domelementtype "1"
 
-domutils@1.5.1:
+domutils@1.5.1, domutils@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.5.1.tgz#dcd8488a26f563d61079e48c9f7b7e32373682cf"
   dependencies:
@@ -1861,10 +1888,24 @@ enhanced-resolve@~0.9.0:
     memory-fs "^0.2.0"
     tapable "^0.1.8"
 
-entities@~1.1.1:
+entities@^1.1.1, entities@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
 
+enzyme@^2.7.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/enzyme/-/enzyme-2.7.1.tgz#76370e1d99e91f73091bb8c4314b7c128cc2d621"
+  dependencies:
+    cheerio "^0.22.0"
+    function.prototype.name "^1.0.0"
+    is-subset "^0.1.1"
+    lodash "^4.17.2"
+    object-is "^1.0.1"
+    object.assign "^4.0.4"
+    object.entries "^1.0.3"
+    object.values "^1.0.3"
+    uuid "^2.0.3"
+
 "errno@>=0.1.1 <0.2.0-0", errno@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.4.tgz#b896e23a9e5e8ba33871fc996abd3635fc9a1c7d"
@@ -1877,6 +1918,23 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
+es-abstract@^1.6.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.7.0.tgz#dfade774e01bfcd97f96180298c449c8623fb94c"
+  dependencies:
+    es-to-primitive "^1.1.1"
+    function-bind "^1.1.0"
+    is-callable "^1.1.3"
+    is-regex "^1.0.3"
+
+es-to-primitive@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.1.1.tgz#45355248a88979034b6792e19bb81f2b7975dd0d"
+  dependencies:
+    is-callable "^1.1.1"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.1"
+
 es5-ext@^0.10.7, es5-ext@^0.10.8, es5-ext@~0.10.11, es5-ext@~0.10.2, es5-ext@~0.10.7:
   version "0.10.12"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.12.tgz#aa84641d4db76b62abba5e45fd805ecbab140047"
@@ -2383,6 +2441,10 @@ for-own@^0.1.4:
   dependencies:
     for-in "^1.0.1"
 
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -2449,10 +2511,18 @@ fstream@^1.0.0, fstream@^1.0.2, fstream@~1.0.10:
     mkdirp ">=0.5 0"
     rimraf "2"
 
-function-bind@^1.0.2:
+function-bind@^1.0.2, function-bind@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.0.tgz#16176714c801798e4e8f2cf7f7529467bb4a5771"
 
+function.prototype.name@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/function.prototype.name/-/function.prototype.name-1.0.0.tgz#5f523ca64e491a5f95aba80cc1e391080a14482e"
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.0"
+    is-callable "^1.1.2"
+
 gauge@~2.7.1:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.3.tgz#1c23855f962f17b3ad3d0dc7443f304542edfe09"
@@ -2708,6 +2778,17 @@ html-webpack-plugin@2.24.0:
     pretty-error "^2.0.2"
     toposort "^1.0.0"
 
+htmlparser2@^3.9.1:
+  version "3.9.2"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.9.2.tgz#1bdf87acca0f3f9e53fa4fcceb0f4b4cbb00b338"
+  dependencies:
+    domelementtype "^1.3.0"
+    domhandler "^2.3.0"
+    domutils "^1.5.1"
+    entities "^1.1.1"
+    inherits "^2.0.1"
+    readable-stream "^2.0.2"
+
 htmlparser2@~3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.3.0.tgz#cc70d05a59f6542e43f0e685c982e14c924a9efe"
@@ -2883,12 +2964,20 @@ is-builtin-module@^1.0.0:
   dependencies:
     builtin-modules "^1.0.0"
 
+is-callable@^1.1.1, is-callable@^1.1.2, is-callable@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.3.tgz#86eb75392805ddc33af71c92a0eedf74ee7604b2"
+
 is-ci@^1.0.9:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.0.10.tgz#f739336b2632365061a9d48270cd56ae3369318e"
   dependencies:
     ci-info "^1.0.0"
 
+is-date-object@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz#9aa20eb6aeebbff77fbd33e74ca01b33581d3a16"
+
 is-dotfile@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.2.tgz#2c132383f39199f8edc268ca01b9b007d205cc4d"
@@ -2990,6 +3079,12 @@ is-property@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"
 
+is-regex@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
+  dependencies:
+    has "^1.0.1"
+
 is-resolvable@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.0.tgz#8df57c61ea2e3c501408d100fb013cf8d6e0cc62"
@@ -3000,12 +3095,20 @@ is-stream@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
+is-subset@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-subset/-/is-subset-0.1.1.tgz#8a59117d932de1de00f245fcdd39ce43f1e939a6"
+
 is-svg@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-svg/-/is-svg-2.1.0.tgz#cf61090da0d9efbcab8722deba6f032208dbb0e9"
   dependencies:
     html-comment-regex "^1.1.0"
 
+is-symbol@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.1.tgz#3cc59f00025194b6ab2e38dbae6689256b660572"
+
 is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
@@ -3516,6 +3619,14 @@ lodash.assign@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
 
+lodash.assignin@^4.0.9:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.assignin/-/lodash.assignin-4.2.0.tgz#ba8df5fb841eb0a3e8044232b0e263a8dc6a28a2"
+
+lodash.bind@^4.1.4:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/lodash.bind/-/lodash.bind-4.2.1.tgz#7ae3017e939622ac31b7d7d7dcb1b34db1690d35"
+
 lodash.camelcase@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
@@ -3531,6 +3642,22 @@ lodash.cond@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
 
+lodash.defaults@^4.0.1:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.defaults/-/lodash.defaults-4.2.0.tgz#d09178716ffea4dde9e5fb7b37f6f0802274580c"
+
+lodash.filter@^4.4.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.filter/-/lodash.filter-4.6.0.tgz#668b1d4981603ae1cc5a6fa760143e480b4c4ace"
+
+lodash.flatten@^4.2.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
+
+lodash.foreach@^4.3.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.foreach/-/lodash.foreach-4.5.0.tgz#1a6a35eace401280c7f06dddec35165ab27e3e53"
+
 lodash.isarguments@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
@@ -3547,14 +3674,38 @@ lodash.keys@^3.0.0:
     lodash.isarguments "^3.0.0"
     lodash.isarray "^3.0.0"
 
+lodash.map@^4.4.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.map/-/lodash.map-4.6.0.tgz#771ec7839e3473d9c4cde28b19394c3562f4f6d3"
+
 lodash.memoize@^4.1.0:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
 
+lodash.merge@^4.4.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.0.tgz#69884ba144ac33fe699737a6086deffadd0f89c5"
+
+lodash.pick@^4.2.1:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
+
 lodash.pickby@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.pickby/-/lodash.pickby-4.6.0.tgz#7dea21d8c18d7703a27c704c15d3b84a67e33aff"
 
+lodash.reduce@^4.4.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.reduce/-/lodash.reduce-4.6.0.tgz#f1ab6b839299ad48f784abbf476596f03b914d3b"
+
+lodash.reject@^4.4.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.reject/-/lodash.reject-4.6.0.tgz#80d6492dc1470864bbf583533b651f42a9f52415"
+
+lodash.some@^4.4.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.some/-/lodash.some-4.6.0.tgz#1bb9f314ef6b8baded13b549169b2a945eb68e4d"
+
 lodash.uniq@^4.3.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
@@ -3947,6 +4098,31 @@ object-assign@4.1.1, object-assign@^4.0.1, object-assign@^4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
+object-is@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object-is/-/object-is-1.0.1.tgz#0aa60ec9989a0b3ed795cf4d06f62cf1ad6539b6"
+
+object-keys@^1.0.10, object-keys@^1.0.8:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
+
+object.assign@^4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.0.4.tgz#b1c9cc044ef1b9fe63606fc141abbb32e14730cc"
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.0"
+    object-keys "^1.0.10"
+
+object.entries@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/object.entries/-/object.entries-1.0.4.tgz#1bf9a4dd2288f5b33f3a993d257661f05d161a5f"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.6.1"
+    function-bind "^1.1.0"
+    has "^1.0.1"
+
 object.omit@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
@@ -3954,6 +4130,15 @@ object.omit@^2.0.0:
     for-own "^0.1.4"
     is-extendable "^0.1.1"
 
+object.values@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/object.values/-/object.values-1.0.4.tgz#e524da09b4f66ff05df457546ec72ac99f13069a"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.6.1"
+    function-bind "^1.1.0"
+    has "^1.0.1"
+
 on-finished@~2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.2.1.tgz#5c85c1cc36299f78029653f667f27b6b99ebc029"
@@ -4587,6 +4772,13 @@ rc@~1.1.6:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
+react-addons-test-utils@^15.4.2:
+  version "15.4.2"
+  resolved "https://registry.yarnpkg.com/react-addons-test-utils/-/react-addons-test-utils-15.4.2.tgz#93bcaa718fcae7360d42e8fb1c09756cc36302a2"
+  dependencies:
+    fbjs "^0.8.4"
+    object-assign "^4.1.0"
+
 react-dev-utils@^0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-0.5.2.tgz#50d0b962d3a94b6c2e8f2011ed6468e4124bc410"
@@ -5670,7 +5862,7 @@ utils-merge@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"
 
-uuid@^2.0.1, uuid@^2.0.2:
+uuid@^2.0.1, uuid@^2.0.2, uuid@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.3.tgz#67e2e863797215530dff318e5bf9dcebfd47b21a"