chore: migrate tests from karma to jest (#21)

* chore: set jest test environment

chore: remove karma-jasmine test environment

* chore: migrate tests from jasmine to jest

* chore: remove unnecessary dependency

* chore: change mocking method

* chore: apply code reviews

* chore: apply code reivews

* docs: change the word to match contextual intent

.eslintrc.js

@@ -5,7 +5,7 @@ module.exports = {
   },
   env: {
     browser: true,
-    jasmine: true,
+    jest: true,
     jquery: true,
     commonjs: true
   },

.gitignore

@@ -34,10 +34,6 @@ Desktop.ini
 .project
 .metadata
 
-#report / screenshots
-report
-screenshots
-
 # Atom
 tags
 .ctags

README.md

@@ -30,8 +30,8 @@
 - [🔧 Pull Request Steps](#-pull-request-steps)
   - [Setup](#setup)
   - [Develop](#develop)
-    - [Run webpack-dev-server](#run-webpack-dev-server)
-    - [Run karma test](#run-karma-test)
+    - [Running dev server](#running-dev-server)
+    - [Running test](#running-test)
   - [Pull Request](#pull-request)
 - [💬 Contributing](#-contributing)
 - [🍞 TOAST UI Family](#-toast-ui-family)
@@ -205,14 +205,14 @@ Let's start development!
 You can see your code is reflected as soon as you saving the codes by running a server.
 Don't miss adding test cases and then make green rights.
 
-#### Run webpack-dev-server
+#### Running dev server
 
 ``` sh
 $ npm run serve
 $ npm run serve:ie8 # Run on Internet Explorer 8
 ```
 
-#### Run karma test
+#### Running test
 
 ``` sh
 $ npm run test

bower.json

@@ -15,7 +15,7 @@
     "src",
     "examples",
     "jsdoc.conf.json",
-    "karma.conf.js",
+    "jest.config.js",
     "package.json",
     "webpack.config.js"
   ],

jest.config.js

@@ -0,0 +1,9 @@
+/* eslint-disable strict */
+module.exports = {
+  moduleFileExtensions: ['js'],
+  testEnvironment: 'jsdom',
+  testMatch: ['<rootDir>/**/*.spec.js'],
+  transformIgnorePatterns: ['<rootDir>/node_modules/'],
+  clearMocks: true,
+  setupFilesAfterEnv: ['./test/setup-globals.js']
+};