feat: test storage

test/ConnectionManager.spec.ts

@@ -1,7 +1,8 @@
 import chai from 'chai'
 import chaiAsPromised from 'chai-as-promised'
 import sinon from 'sinon'
-import { ConnectionManager } from '../src/ConnectionManager'
+import { ConnectionManager, connection } from '../src/ConnectionManager'
+import { LocalStorage } from '../src/storage'
 import { ChainId, ClosableConnector, ProviderType } from '../src/types'
 import { StubClosableConnector, StubConnector, StubStorage } from './utils'
 
@@ -22,6 +23,12 @@ describe('ConnectionManager', () => {
     storage.clean()
   })
 
+  describe('connection', () => {
+    it('should use LocalStorage as its storage', () => {
+      expect(connection.storage).to.instanceOf(LocalStorage)
+    })
+  })
+
   describe('#connect', () => {
     it('should set the provider type', async () => {
       const stubConnector = new StubConnector()

test/storage.spec.ts

@@ -0,0 +1,51 @@
+import Sinon from 'sinon'
+import sinon from 'sinon'
+import { LocalStorage } from '../src/storage'
+
+describe('LocalStorage', () => {
+  const browser: any = global
+  const windowLocalStorage = {
+    getItem: (_key: string) => {},
+    setItem: (_key: string, _value: any) => {}
+  }
+  let mockStorage: Sinon.SinonMock
+
+  before(() => {
+    mockStorage = sinon.mock(windowLocalStorage)
+    browser.window = { localStorage: windowLocalStorage }
+  })
+
+  after(() => {
+    mockStorage.restore()
+    browser.window = undefined
+  })
+
+  describe('#get', () => {
+    it('should call the window localStorage get method', () => {
+      const key = 'key'
+      mockStorage
+        .expects('getItem')
+        .once()
+        .withArgs(key)
+
+      const localStorage = new LocalStorage()
+      localStorage.get(key)
+
+      mockStorage.verify()
+    })
+  })
+
+  describe('#set', () => {
+    it('should call the window localStorage set method', () => {
+      const key = 'key'
+      const value = 'value'
+      mockStorage
+        .expects('setItem')
+        .once()
+        .withArgs(key, value)
+
+      const localStorage = new LocalStorage()
+      localStorage.set(key, value)
+    })
+  })
+})