Set up testing (#13)

babel.config.js

@@ -0,0 +1,12 @@
+module.exports = {
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        targets: {
+          node: 'current',
+        },
+      },
+    ],
+  ],
+};

jest.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+  setupFiles: [
+    '<rootDir>/tests/setup/setupTests.js',
+  ]
+};

package.json

@@ -18,7 +18,8 @@
   "scripts": {
     "start": "react-app-rewired start",
     "build": "react-app-rewired build",
-    "test": "react-app-rewired test",
+    "test": "jest",
+    "test:watch": "jest --watch",
     "eject": "react-scripts eject"
   },
   "eslintConfig": {
@@ -37,9 +38,16 @@
     ]
   },
   "devDependencies": {
+    "@babel/core": "^7.5.5",
+    "@babel/preset-env": "^7.5.5",
+    "babel-jest": "^24.8.0",
+    "enzyme": "^3.10.0",
+    "enzyme-adapter-react-16": "^1.14.0",
+    "enzyme-to-json": "^3.4.0",
     "husky": "^3.0.1",
     "lint-staged": "^9.2.0",
-    "prettier": "^1.18.2"
+    "prettier": "^1.18.2",
+    "redux-mock-store": "^1.5.3"
   },
   "husky": {
     "hooks": {

tests/setup/setupTests.js

@@ -0,0 +1,4 @@
+import Adapter from 'enzyme-adapter-react-16';
+import { configure } from 'enzyme';
+
+configure({ adapter: new Adapter() });

tests/setup/tests.test.js

@@ -0,0 +1,13 @@
+/**
+ * TODO - Delete this file.
+ * This temporary test file is only here for the purpose of showcasing testing.
+ * It will be deleted once the first test file is created.
+ */
+
+import Jest from 'jest';
+
+describe('Jest Tests', () => {
+  test('Verify Tests Work', () => {
+    expect(true).toBeTruthy();
+  });
+});