increase test coverage

package.json

@@ -58,6 +58,7 @@
     "@babel/core": "^7.4.5",
     "@babel/node": "^7.4.5",
     "@babel/preset-env": "^7.4.5",
+    "@react-mock/localstorage": "^0.1.2",
     "@svgr/webpack": "^4.3.0",
     "@testing-library/jest-dom": "^4.0.0",
     "@testing-library/react": "^8.0.2",

src/components/molecules/ThemeSwitch.test.jsx

@@ -38,7 +38,9 @@ describe('ThemeSwitch', () => {
     )
 
     const toggle = container.querySelector('input')
+    const label = container.querySelector('label')
     expect(toggle.checked).toBeFalsy()
+    fireEvent.click(label)
     fireEvent.change(toggle, { target: { checked: true } })
     expect(toggle.checked).toBeTruthy()
   })

src/components/organisms/Repositories.jsx

@@ -6,7 +6,7 @@ import styles from './Repositories.module.scss'
 
 export default class Repositories extends PureComponent {
   static propTypes = {
-    repos: PropTypes.array.isRequired
+    repos: PropTypes.array
   }
 
   render() {

src/components/organisms/Repositories.test.jsx

@@ -8,4 +8,9 @@ describe('Repositories', () => {
     const { container } = render(<Repositories repos={repos} />)
     expect(container.firstChild).toBeInTheDocument()
   })
+
+  it('return nothing when no repos are passed', () => {
+    const { container } = render(<Repositories />)
+    expect(container.firstChild).not.toBeInTheDocument()
+  })
 })

src/store/AppProvider.test.jsx

@@ -1,6 +1,8 @@
 import React from 'react'
-import { render } from '@testing-library/react'
+import { render, fireEvent } from '@testing-library/react'
+import { LocalStorageMock } from '@react-mock/localstorage'
 import AppProvider from './AppProvider.jsx'
+import { Consumer } from './createContext.jsx'
 
 describe('AppProvider', () => {
   it('renders correctly', () => {
@@ -8,4 +10,29 @@ describe('AppProvider', () => {
 
     expect(container.firstChild.textContent).toBe('Hello')
   })
+
+  it('renders with dark detected in localStorage', () => {
+    const { getByTestId } = render(
+      <LocalStorageMock items={{ dark: 'true' }}>
+        <AppProvider>
+          <Consumer>
+            {state => (
+              <button data-testid="toggle" onClick={() => state.toggleDark()}>
+                Toggle
+              </button>
+            )}
+          </Consumer>
+        </AppProvider>
+      </LocalStorageMock>
+    )
+    fireEvent.click(getByTestId('toggle'))
+  })
+
+  it('renders with light detected in localStorage', () => {
+    render(
+      <LocalStorageMock items={{ dark: 'false' }}>
+        <AppProvider>Hello</AppProvider>
+      </LocalStorageMock>
+    )
+  })
 })