test: improvments + test helpers

Author: huafu

.gitignore

@@ -48,7 +48,7 @@ jspm_packages
 # tests specific
 tests/simple-long-path/long-src-path
 # is linked to the temp dir of the os
-e2e/__e2e_workdir_link__
+e2e/__workdir_synlink__
 
 # binaries
 *.tgz

e2e/README.md

@@ -7,7 +7,7 @@
 - `__templates__`: contains the package dependency templates for test cases
 - `__templates__/default`: is the default template
 - `__tests__`: contains the actual tests
-- `__e2e_workdir_link__`: is created during a test run and is a symbolic link to a subfolder in the temp folder of the OS where all test cases are installed
+- `__workdir_synlink__`: is created during a test run and is a symbolic link to a subfolder in the temp folder of the OS where all test cases are installed
 
 
 ## Test helpers

e2e/__cases__/hoisting/Hello.spec.ts

@@ -0,0 +1,14 @@
+import { Hello } from './Hello';
+
+jest.mock('./Hello', () => ({ Hello() {} }));
+
+describe('Hello Class', () => {
+  // tslint:disable-next-line:variable-name
+  const OriginalClass = require.requireActual('./Hello').Hello;
+  it('should create a new mocked Hello', () => {
+    const hello = new Hello('foo');
+    expect(hello.msg).toBeUndefined();
+    expect(hello).not.toBeInstanceOf(OriginalClass);
+    expect(hello).toHaveProperty('mock');
+  });
+});

e2e/__cases__/hoisting/Hello.ts

@@ -0,0 +1,3 @@
+export class Hello {
+  constructor(readonly msg: string) {}
+}

…__cases__/simple/__tests__/Hello.test.ts e2e/__cases__/simple/Hello.spec.tse2e/__cases__/simple/__tests__/Hello.test.ts renamed to e2e/__cases__/simple/Hello.spec.ts e2e/__cases__/simple/__tests__/Hello.test.ts renamed to e2e/__cases__/simple/Hello.spec.ts

@@ -1,6 +1,4 @@
-declare var jest, describe, it, expect;
-
-import { Hello } from '../Hello';
+import { Hello } from './Hello';
 
 describe('Hello Class', () => {
   it('should create a new Hello', () => {

e2e/__cases__/simple/package.json

@@ -1,4 +1,4 @@
-import { echo } from '../src/echo';
+import { echo } from './echo';
 
 describe('echo', () => {
   it('echoes', () => {