starting to implement enzyme tests

Author: fredosauce

README.md

@@ -29,7 +29,7 @@ Download for [MacOS](https://github.com/team-reactype/ReacType/releases), [Windo
 
 - **Linux users**: run the application as a super user in order to read and write files.
 
-![Gif of adding](https://i.imgur.com/hdVTFcP.gif)
+![Gif of adding](https://i.imgur.com/nOeuuU6.gif)
 
 ### How to use
 

__tests__/__snapshots__/enzyme.test.tsx.snap

@@ -0,0 +1,9 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Enzyme testing suite renders snapshots, too 1`] = `
+<div>
+  <h1>
+    Hello, Enzyme!
+  </h1>
+</div>
+`;

__tests__/enzyme.test.tsx

@@ -0,0 +1,12 @@
+import { shallow } from 'enzyme';
+import React from 'react';
+
+describe('Enzyme testing suite', () => {
+
+  it('renders snapshots, too', () => {
+    const wrapper = shallow(<div>
+      <h1>Hello, Enzyme!</h1>
+    </div>)
+    expect(wrapper).toMatchSnapshot()
+  })
+})

app/setupTests.ts

@@ -0,0 +1,6 @@
+import { configure } from 'enzyme'
+import Adapter from 'enzyme-adapter-react-16'
+
+configure({
+  adapter: new Adapter(),
+})

app/src/setupTests.ts

@@ -71,7 +71,8 @@
         "diagnostics": false
       }
     },
-    "testTimeout": 50000
+    "setupFilesAfterEnv": ["<rootDir>/app/setupTests.ts"],
+    "snapshotSerializers": ["enzyme-to-json/serializer"]
   },
   "bugs": {
     "url": "https://github.com/open-source-labs/ReacType/issues"
@@ -83,8 +84,6 @@
     "@material-ui/core": "^4.11.0",
     "@material-ui/icons": "^4.0.1",
     "@material-ui/styles": "^4.9.6",
-    "@types/enzyme": "^3.10.5",
-    "@types/enzyme-adapter-react-16": "^1.0.6",
     "@types/js-cookie": "^2.2.6",
     "@types/node": "^14.0.20",
     "@types/prettier": "^1.19.0",
@@ -124,6 +123,8 @@
     "@babel/preset-react": "^7.10.4",
     "@babel/preset-typescript": "^7.10.4",
     "@types/chai": "^4.2.11",
+    "@types/enzyme": "^3.10.5",
+    "@types/enzyme-adapter-react-16": "^1.0.6",
     "@types/jest": "^25.1.5",
     "babel-eslint": "^8.2.6",
     "babel-jest": "^25.2.4",
@@ -136,6 +137,7 @@
     "dotenv": "^8.2.0",
     "electron": "^9.1.0",
     "electron-builder": "^22.7.0",
+    "enzyme-to-json": "^3.5.0",
     "eslint": "^4.19.1",
     "eslint-config-airbnb-base": "^13.0.0",
     "eslint-plugin-babel": "^5.3.1",