Native Integration for Running Unit Tests in CodeSandbox - Fix (codesandbox#458)

* Adding native integration for unit tests

* Apply jest globals to evaluation

* Creating new Test Manager

* Hooking Test Runner up with Test Manager

* Reset results in test manager on re-evaluation

* Fixing calls to manager from test manager

* Fixing dispatch for test results to Console

* Renaming for clarity (jest-lite, test-runner)

* Fixing jest mock export

* Update Console logging for test message + Find tests in __tests__

- Added support for nested describes
- Added summary messages for test runs
- Log failing tests with file path
- Added support for finding tests in __tests__
-

* Fix for failed message count

* Moving globals to Test Runner class

* Adding typescript support

* Fix manager

* Add test time to summary

* Remove odd file

* Adding myself to contributors

* Refactor TestRunner testGlobals

* Adding myself to README

Author: gautamarora

README.md

@@ -40,5 +40,5 @@ Thanks goes to these wonderful people
 | :---: | :---: | :---: | :---: | :---: | :---: | :---: |
 | [<img src="https://avatars3.githubusercontent.com/u/1239401?v=4" width="100px;"/><br /><sub><b>Johann Hubert Sonntagbauer</b></sub>](https://github.com/johann-sonntagbauer)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Ajohann-sonntagbauer "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=johann-sonntagbauer "Code") | [<img src="https://avatars2.githubusercontent.com/u/9586897?v=4" width="100px;"/><br /><sub><b>Joachim Seminck</b></sub>](https://github.com/jseminck)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=jseminck "Code") | [<img src="https://avatars3.githubusercontent.com/u/5210019?v=4" width="100px;"/><br /><sub><b>Subramanya Chakravarthy</b></sub>](http://chakrihacker.github.io)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=chakrihacker "Code") | [<img src="https://avatars3.githubusercontent.com/u/23088?v=4" width="100px;"/><br /><sub><b>Robert (Robby) O'Connor</b></sub>](http://robby.oconnor.ninja)<br />[🚇](#infra-robbyoconnor "Infrastructure (Hosting, Build-Tools, etc)") | [<img src="https://avatars0.githubusercontent.com/u/2083930?v=4" width="100px;"/><br /><sub><b>Bogdan Luca</b></sub>](https://github.com/lbogdan)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Albogdan "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=lbogdan "Code") | [<img src="https://avatars3.githubusercontent.com/u/6177621?v=4" width="100px;"/><br /><sub><b>Divjot Singh</b></sub>](http://bogas04.github.io)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=bogas04 "Code") | [<img src="https://avatars3.githubusercontent.com/u/5249539?v=4" width="100px;"/><br /><sub><b>Jason Nall</b></sub>](http://www.jsonnull.com)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=jsonnull "Code") |
 | [<img src="https://avatars3.githubusercontent.com/u/784056?v=4" width="100px;"/><br /><sub><b>Lionel</b></sub>](https://elrumordelaluz.com)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=elrumordelaluz "Code") [🎨](#design-elrumordelaluz "Design") | [<img src="https://avatars3.githubusercontent.com/u/170500?v=4" width="100px;"/><br /><sub><b>Philipp Brumm</b></sub>](https://github.com/brumm)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=brumm "Code") | [<img src="https://avatars2.githubusercontent.com/u/2678610?v=4" width="100px;"/><br /><sub><b>Valentin Hervieu</b></sub>](http://valentin-hervieu.fr)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=ValentinH "Code") [🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3AValentinH "Bug reports") | [<img src="https://avatars0.githubusercontent.com/u/1499218?v=4" width="100px;"/><br /><sub><b>Anenth</b></sub>](http://anenth.js.org)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=Anenth "Code") [🎨](#design-Anenth "Design") [🤔](#ideas-Anenth "Ideas, Planning, & Feedback") | [<img src="https://avatars0.githubusercontent.com/u/410792?v=4" width="100px;"/><br /><sub><b>Dony Sukardi</b></sub>](http://dsds.io)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Adonysukardi "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=donysukardi "Code") | [<img src="https://avatars3.githubusercontent.com/u/89046?v=4" width="100px;"/><br /><sub><b>Geoffrey Dhuyvetters</b></sub>](https://github.com/duivvv)<br />[🎨](#design-duivvv "Design") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=duivvv "Code") | [<img src="https://avatars3.githubusercontent.com/u/3381746?v=4" width="100px;"/><br /><sub><b>Eswar Yaganti</b></sub>](http://nyaganti.com)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=nagamalli9999 "Code") [🚇](#infra-nagamalli9999 "Infrastructure (Hosting, Build-Tools, etc)") |
-| [<img src="https://avatars3.githubusercontent.com/u/9488719?v=4" width="100px;"/><br /><sub><b>Frank Tan</b></sub>](https://github.com/tansongyang)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=tansongyang "Code") | [<img src="https://avatars0.githubusercontent.com/u/1650995?v=4" width="100px;"/><br /><sub><b>Bilal Budhani</b></sub>](https://bilalbudhani.com)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=BilalBudhani "Code") | [<img src="https://avatars3.githubusercontent.com/u/843342?v=4" width="100px;"/><br /><sub><b>El Juli</b></sub>](https://github.com/JulianMayorga)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=JulianMayorga "Code") | [<img src="https://avatars0.githubusercontent.com/u/13774309?v=4" width="100px;"/><br /><sub><b>Arthur Denner</b></sub>](https://github.com/arthurdenner)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=arthurdenner "Code") | [<img src="https://avatars3.githubusercontent.com/u/12954909?v=4" width="100px;"/><br /><sub><b>Radi Cho</b></sub>](https://github.com/RSG-Group)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Aradi-cho "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=radi-cho "Code") [🤔](#ideas-radi-cho "Ideas, Planning, & Feedback") | [<img src="https://avatars3.githubusercontent.com/u/679275?v=4" width="100px;"/><br /><sub><b>Xiaoyi Chen</b></sub>](https://twitter.com/chxy)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=xyc "Code") |
+| [<img src="https://avatars3.githubusercontent.com/u/9488719?v=4" width="100px;"/><br /><sub><b>Frank Tan</b></sub>](https://github.com/tansongyang)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=tansongyang "Code") | [<img src="https://avatars0.githubusercontent.com/u/1650995?v=4" width="100px;"/><br /><sub><b>Bilal Budhani</b></sub>](https://bilalbudhani.com)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=BilalBudhani "Code") | [<img src="https://avatars3.githubusercontent.com/u/843342?v=4" width="100px;"/><br /><sub><b>El Juli</b></sub>](https://github.com/JulianMayorga)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=JulianMayorga "Code") | [<img src="https://avatars0.githubusercontent.com/u/13774309?v=4" width="100px;"/><br /><sub><b>Arthur Denner</b></sub>](https://github.com/arthurdenner)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=arthurdenner "Code") | [<img src="https://avatars3.githubusercontent.com/u/12954909?v=4" width="100px;"/><br /><sub><b>Radi Cho</b></sub>](https://github.com/RSG-Group)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Aradi-cho "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=radi-cho "Code") [🤔](#ideas-radi-cho "Ideas, Planning, & Feedback") | [<img src="https://avatars3.githubusercontent.com/u/679275?v=4" width="100px;"/><br /><sub><b>Xiaoyi Chen</b></sub>](https://twitter.com/chxy)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=xyc "Code") | [<img src="https://avatars3.githubusercontent.com/u/1215971?v=4" width="100px;"/><br /><sub><b>Gautam Arora</b></sub>](https://twitter.com/gautam)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=gautamarora "Code") [🤔](#ideas-radi-cho "Ideas, Planning, & Feedback") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->

packages/app/src/sandbox/eval/tests/jest-lite.js

@@ -1,29 +1,6 @@
 // @flow
 import expect from 'jest-matchers';
 import jestMock from 'jest-mock';
-import { getCurrentManager } from '../../compile';
-
-const describe = (name, fn) => {
-  const testRunner = getCurrentManager().testRunner;
-  testRunner.setCurrentDescribe(name);
-  fn();
-  testRunner.resetCurrentDescribe(name);
-};
-
-const test = (name, fn) => {
-  const testRunner = getCurrentManager().testRunner;
-  let error = false;
-  try {
-    fn();
-  } catch (Error) {
-    error = true;
-    testRunner.addResult({ status: 'fail', name });
-  } finally {
-    if (!error) {
-      testRunner.addResult({ status: 'pass', name });
-    }
-  }
-};
 
 export default class TestRunner {
   tests: Array;
@@ -63,7 +40,26 @@ export default class TestRunner {
     this.endTime = Date.now();
   }
 
-  static testGlobals() {
+  testGlobals() {
+    const describe = (name, fn) => {
+      this.setCurrentDescribe(name);
+      fn();
+      this.resetCurrentDescribe(name);
+    };
+
+    const test = (name, fn) => {
+      let error = false;
+      try {
+        fn();
+      } catch (Error) {
+        error = true;
+        this.addResult({ status: 'fail', name });
+      } finally {
+        if (!error) {
+          this.addResult({ status: 'pass', name });
+        }
+      }
+    };
     return {
       describe,
       test,

packages/app/src/sandbox/eval/transpiled-module.js

@@ -18,8 +18,6 @@ import type { WarningStructure } from './transpilers/utils/worker-warning-handle
 import resolveDependency from './loaders/dependency-resolver';
 import evaluate from './loaders/eval';
 
-import TestRunner from './tests/jest-lite';
-
 import Manager from './manager';
 import HMR from './hmr';
 
@@ -664,7 +662,7 @@ export default class TranspiledModule {
         require,
         this.compilation,
         manager.envVariables,
-        TestRunner.testGlobals()
+        manager.testRunner.testGlobals()
       );
 
       const hmrConfig = this.hmrConfig;