Adjust tests

cypress/integration/hello.js

@@ -11,11 +11,12 @@ context('MDX Deck', () => {
     cy.contains('MDX Deck')
   })
 
-  /* doesn't work
+  /* doesn't work?? */
   it('goes to the next slide', () => {
     cy.get('body')
-      .type('{rightarrow}')
+      .trigger('keydown', {
+        keyCode: 39,
+      })
       .contains('Presentation')
   })
-  */
 })

packages/gatsby-plugin/package.json

@@ -6,7 +6,8 @@
   "license": "MIT",
   "repository": "github:jxnblk/mdx-deck",
   "scripts": {
-    "start": "gatsby develop --open"
+    "start": "gatsby develop --open",
+    "test": "jest"
   },
   "peerDependencies": {
     "gatsby": "^2.14.0",
@@ -28,5 +29,30 @@
   "devDependencies": {
     "cypress": "^3.4.0",
     "lerna": "^3.13.1"
+  },
+  "jest": {
+    "testMatch": [
+      "**/test/*.js"
+    ],
+    "testPathIgnorePatterns": [
+      "/node_modules/",
+      "/fixtures/"
+    ],
+    "coverageReporters": [
+      "lcov",
+      "text",
+      "html"
+    ],
+    "collectCoverageFrom": [
+      "**/src/**/*.js"
+    ],
+    "coverageThreshold": {
+      "global": {
+        "branches": 80,
+        "functions": 80,
+        "lines": 80,
+        "statements": 80
+      }
+    }
   }
 }

packages/gatsby-plugin/test/deck.js

@@ -0,0 +1,12 @@
+import React from 'react'
+import {
+  render,
+  fireEvent,
+  cleanup
+} from '@testing-library/react'
+import Deck from '../src/deck'
+
+afterEach(cleanup)
+
+test('renders', () => {
+})