Start writing tests and implemention for cookie store

src/storage.js

@@ -1 +1,2 @@
 export { default as createLocalStorageStore } from './storage/localStorage'
+export { default as createCookieStore } from './storage/cookie'

src/storage/cookie.js

@@ -0,0 +1,12 @@
+const createCookieStore = ({
+  key = 'redux-simple-auth-session'
+} = {}) => ({
+  persist(data) {
+    return Promise.resolve()
+  },
+  restore() {
+    return Promise.resolve({})
+  }
+})
+
+export default createCookieStore

test/sessionStores/cookie.spec.js

@@ -0,0 +1,13 @@
+import { createCookieStore } from '../../src/storage'
+
+const defaultKey = 'redux-simple-auth-session'
+
+describe('cookie store', () => {
+  describe('#persist', () => {
+    it('returns resolved promise', () => {
+      const cookieStore = createCookieStore()
+
+      expect(cookieStore.persist()).resolves
+    })
+  })
+})