Move testing framework over to Jest (#24)

* Starting the new Jest tests

* Moving all tests to jest

* Updating npm run scripts to use jest instead of individual modules

* Upgrading all packages

* Adding back codecov which was unintentionally removed

Author: AnujRNair

.eslintrc.js

@@ -1,26 +1,29 @@
 module.exports = {
-  "extends": [
-    "airbnb-base",
-    "prettier"
-  ],
-  "plugins": [
-    "prettier"
-  ],
-  "env": {
-    "es6": true,
-    "node": true
+  extends: ['airbnb-base', 'prettier'],
+  plugins: ['prettier'],
+  env: {
+    es6: true,
+    node: true
   },
-  "rules": {
-    "prettier/prettier": ["error", { "singleQuote": true }]
+  rules: {
+    'prettier/prettier': ['error', { singleQuote: true }]
   },
-  "globals": {
-    "document": true,
-    "afterAll": true,
-    "afterEach": true,
-    "beforeAll": true,
-    "beforeEach": true,
-    "describe": true,
-    "expect": true,
-    "it": true
-  }
+  globals: {
+    document: true
+  },
+  overrides: [
+    {
+      files: ['*.spec.js', '*.jest.js', 'webpack-helpers.js'],
+      globals: {
+        jest: true,
+        afterAll: true,
+        afterEach: true,
+        beforeAll: true,
+        beforeEach: true,
+        describe: true,
+        expect: true,
+        it: true
+      }
+    }
+  ]
 };

jest.config.js

@@ -0,0 +1,7 @@
+module.exports = {
+  displayName: 'CspHtmlWebpackPlugin',
+  roots: ['<rootDir>'],
+  testMatch: ['<rootDir>/?(*.)jest.js'],
+  testPathIgnorePatterns: ['/node_modules/'],
+  clearMocks: true
+};

package-lock.json

@@ -4,14 +4,15 @@
   "description": "A plugin which, when combined with HTMLWebpackPlugin, adds CSP tags to the HTML output",
   "main": "plugin.js",
   "scripts": {
-    "codecov": "npm run codecov:clean && npm run codecov:generate && npm run codecov:upload",
-    "codecov:clean": "rm -rf ./coverage",
-    "codecov:generate": "./node_modules/.bin/istanbul cover ./node_modules/jasmine/bin/jasmine.js spec/plugin.spec.js",
-    "codecov:upload": "./node_modules/.bin/codecov --token=252086ef-c14d-4f29-ab36-720265249fa2",
     "eslint": "eslint .",
     "eslint:fix": "eslint . --fix",
-    "jasmine": "jasmine ./spec/plugin.spec.js",
-    "test": "npm run eslint && npm run jasmine && npm run codecov"
+    "jest": "jest --config=./jest.config.js plugin.jest.js",
+    "jest:watch": "jest --watch --config=./jest.config.js plugin.jest.js",
+    "jest:coverage:generate": "jest --coverage --config=./jest.config.js plugin.jest.js",
+    "jest:coverage:clean": "rm -rf ./coverage",
+    "jest:coverage:upload": "npx codecov --token=252086ef-c14d-4f29-ab36-720265249fa2",
+    "jest:coverage": "npm run jest:coverage:clean && npm run jest:coverage:generate && npm run jest:coverage:upload",
+    "test": "npm run eslint && npm run jest && npm run jest:coverage"
   },
   "repository": {
     "type": "git",
@@ -26,25 +27,25 @@
   "author": "Anuj Nair",
   "license": "MIT",
   "dependencies": {
+    "babel-jest": "^23.6.0",
     "cheerio": "^1.0.0-rc.2",
-    "lodash": "^4.17.11"
+    "lodash": "^4.17.11",
+    "memory-fs": "^0.4.1"
   },
   "peerDependencies": {
     "webpack": "^2 || ^3 || ^4",
     "html-webpack-plugin": "^2 || ^3 || ^4"
   },
   "devDependencies": {
     "codecov": "^3.1.0",
-    "eslint": "^5.6.0",
+    "eslint": "^5.10.0",
     "eslint-config-airbnb-base": "^13.1.0",
-    "eslint-config-prettier": "^3.0.1",
+    "eslint-config-prettier": "^3.3.0",
     "eslint-plugin-import": "^2.14.0",
-    "eslint-plugin-prettier": "^2.6.2",
+    "eslint-plugin-prettier": "^3.0.0",
     "html-webpack-plugin": "^3.2.0",
-    "istanbul": "^0.4.5",
-    "jasmine": "^3.2.0",
-    "prettier": "^1.14.3",
-    "rimraf": "^2.6.2",
-    "webpack": "^4.19.1"
+    "jest": "^23.6.0",
+    "prettier": "^1.15.3",
+    "webpack": "^4.28.1"
   }
 }