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test: add && backport tests from webpack core (#56)
* ported uglifyjs unit tests from webpack core repo added eslint-plugin-jest for tests, upgraded jest, babel-jest & webpack dev deps cleanup, corrected snapshot test fixed linting errors added eslintignore for test stubs corrected eslintignore paths added codecov config fixing codecov corrected jest test/src/coverage paths removed coverageDirectory: './coverage/' from jest config since it's default separated snapshot tests made createCompiler options replaceable, improved default options test separated tests by logic into separate test files improved snapshot tests cleaned up stacktraces in snapshot output, to allow snapshots to not fail just because paths change in error stack fix typo cleaned up test compilation error stacks to be more generic more cleanup * fixed tests & lint errors * removed yarn.lock * added package-lock.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,6 @@ | ||
| *.snap | ||
| /node_modules | ||
| /dist | ||
| /examples/build | ||
| /coverage/ | ||
| /__tests__/stubs |
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|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| { | ||
| "plugins": [ | ||
| "jest" | ||
| ], | ||
| "env": { | ||
| "jest/globals": true | ||
| } | ||
| } |
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|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| import UglifyJsPlugin from '../src/index'; | ||
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| describe('UglifyJsPlugin', () => { | ||
| it('has apply function', () => { | ||
| expect(typeof new UglifyJsPlugin().apply).toBe('function'); | ||
| }); | ||
| }); |
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|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| // Jest Snapshot v1, https://goo.gl/fbAQLP | ||
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| exports[`errors 1`] = `Array []`; | ||
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| exports[`main.js 1`] = ` | ||
| "webpackJsonp([ 0 ], [ function(module, exports) { | ||
| module.exports = function() { | ||
| console.log(7); | ||
| }; | ||
| } ], [ 0 ]);" | ||
| `; | ||
|
|
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| exports[`manifest.js 1`] = ` | ||
| "!function(modules) { | ||
| function __webpack_require__(moduleId) { | ||
| if (installedModules[moduleId]) return installedModules[moduleId].exports; | ||
| var module = installedModules[moduleId] = { | ||
| i: moduleId, | ||
| l: !1, | ||
| exports: {} | ||
| }; | ||
| return modules[moduleId].call(module.exports, module, module.exports, __webpack_require__), | ||
| module.l = !0, module.exports; | ||
| } | ||
| var parentJsonpFunction = window.webpackJsonp; | ||
| window.webpackJsonp = function(chunkIds, moreModules, executeModules) { | ||
| for (var moduleId, chunkId, result, i = 0, resolves = []; i < chunkIds.length; i++) chunkId = chunkIds[i], | ||
| installedChunks[chunkId] && resolves.push(installedChunks[chunkId][0]), installedChunks[chunkId] = 0; | ||
| for (moduleId in moreModules) Object.prototype.hasOwnProperty.call(moreModules, moduleId) && (modules[moduleId] = moreModules[moduleId]); | ||
| for (parentJsonpFunction && parentJsonpFunction(chunkIds, moreModules, executeModules); resolves.length; ) resolves.shift()(); | ||
| if (executeModules) for (i = 0; i < executeModules.length; i++) result = __webpack_require__(__webpack_require__.s = executeModules[i]); | ||
| return result; | ||
| }; | ||
| var installedModules = {}, installedChunks = { | ||
| 1: 0 | ||
| }; | ||
| __webpack_require__.e = function(chunkId) { | ||
| function onScriptComplete() { | ||
| script.onerror = script.onload = null, clearTimeout(timeout); | ||
| var chunk = installedChunks[chunkId]; | ||
| 0 !== chunk && (chunk && chunk[1](new Error(\\"Loading chunk \\" + chunkId + \\" failed.\\")), | ||
| installedChunks[chunkId] = void 0); | ||
| } | ||
| var installedChunkData = installedChunks[chunkId]; | ||
| if (0 === installedChunkData) return new Promise(function(resolve) { | ||
| resolve(); | ||
| }); | ||
| if (installedChunkData) return installedChunkData[2]; | ||
| var promise = new Promise(function(resolve, reject) { | ||
| installedChunkData = installedChunks[chunkId] = [ resolve, reject ]; | ||
| }); | ||
| installedChunkData[2] = promise; | ||
| var head = document.getElementsByTagName(\\"head\\")[0], script = document.createElement(\\"script\\"); | ||
| script.type = \\"text/javascript\\", script.charset = \\"utf-8\\", script.async = !0, script.timeout = 12e4, | ||
| __webpack_require__.nc && script.setAttribute(\\"nonce\\", __webpack_require__.nc), | ||
| script.src = __webpack_require__.p + \\"\\" + chunkId + \\".js\\"; | ||
| var timeout = setTimeout(onScriptComplete, 12e4); | ||
| return script.onerror = script.onload = onScriptComplete, head.appendChild(script), | ||
| promise; | ||
| }, __webpack_require__.m = modules, __webpack_require__.c = installedModules, __webpack_require__.d = function(exports, name, getter) { | ||
| __webpack_require__.o(exports, name) || Object.defineProperty(exports, name, { | ||
| configurable: !1, | ||
| enumerable: !0, | ||
| get: getter | ||
| }); | ||
| }, __webpack_require__.n = function(module) { | ||
| var getter = module && module.__esModule ? function() { | ||
| return module.default; | ||
| } : function() { | ||
| return module; | ||
| }; | ||
| return __webpack_require__.d(getter, \\"a\\", getter), getter; | ||
| }, __webpack_require__.o = function(object, property) { | ||
| return Object.prototype.hasOwnProperty.call(object, property); | ||
| }, __webpack_require__.p = \\"\\", __webpack_require__.oe = function(err) { | ||
| throw console.error(err), err; | ||
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| }([]);" | ||
| `; | ||
|
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| exports[`warnings 1`] = ` | ||
| Array [ | ||
| "Error: main.js from UglifyJs | ||
| Dropping unused variable a [./__tests__/stubs/entry.js:4,0]", | ||
| ] | ||
| `; |
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|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| // Jest Snapshot v1, https://goo.gl/fbAQLP | ||
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| exports[`errors 1`] = `Array []`; | ||
|
|
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| exports[`main.js 1`] = `"webpackJsonp([0],[function(o,n){o.exports=function(){console.log(7)}}],[0]);"`; | ||
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| exports[`manifest.js 1`] = `"!function(e){function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}var r=window.webpackJsonp;window.webpackJsonp=function(t,c,u){for(var i,a,f,l=0,s=[];l<t.length;l++)a=t[l],o[a]&&s.push(o[a][0]),o[a]=0;for(i in c)Object.prototype.hasOwnProperty.call(c,i)&&(e[i]=c[i]);for(r&&r(t,c,u);s.length;)s.shift()();if(u)for(l=0;l<u.length;l++)f=n(n.s=u[l]);return f};var t={},o={1:0};n.e=function(e){function r(){i.onerror=i.onload=null,clearTimeout(a);var n=o[e];0!==n&&(n&&n[1](new Error(\\"Loading chunk \\"+e+\\" failed.\\")),o[e]=void 0)}var t=o[e];if(0===t)return new Promise(function(e){e()});if(t)return t[2];var c=new Promise(function(n,r){t=o[e]=[n,r]});t[2]=c;var u=document.getElementsByTagName(\\"head\\")[0],i=document.createElement(\\"script\\");i.type=\\"text/javascript\\",i.charset=\\"utf-8\\",i.async=!0,i.timeout=12e4,n.nc&&i.setAttribute(\\"nonce\\",n.nc),i.src=n.p+\\"\\"+e+\\".js\\";var a=setTimeout(r,12e4);return i.onerror=i.onload=r,u.appendChild(i),c},n.m=e,n.c=t,n.d=function(e,r,t){n.o(e,r)||Object.defineProperty(e,r,{configurable:!1,enumerable:!0,get:t})},n.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(r,\\"a\\",r),r},n.o=function(e,n){return Object.prototype.hasOwnProperty.call(e,n)},n.p=\\"\\",n.oe=function(e){throw console.error(e),e}}([]);"`; | ||
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| exports[`warnings 1`] = `Array []`; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| // Jest Snapshot v1, https://goo.gl/fbAQLP | ||
|
|
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| exports[`errors 1`] = ` | ||
| Array [ | ||
| "Error: main.js from UglifyJs | ||
| DefaultsError: \`invalid-option\` is not a supported option | ||
| node_modules/uglify-js/tools/node.js:27:1, <anonymous>:86:23 | ||
| src/index.js:243:82 | ||
| native | ||
| src/index.js:53:25 | ||
| node_modules/tapable/lib/Tapable.js:142:13 | ||
| node_modules/webpack/lib/Compilation.js:641:10 | ||
| node_modules/tapable/lib/Tapable.js:131:46 | ||
| node_modules/webpack/lib/Compilation.js:637:9 | ||
| node_modules/tapable/lib/Tapable.js:131:46 | ||
| node_modules/webpack/lib/Compilation.js:580:8", | ||
| "Error: manifest.js from UglifyJs | ||
| DefaultsError: \`invalid-option\` is not a supported option | ||
| node_modules/uglify-js/tools/node.js:27:1, <anonymous>:86:23 | ||
| src/index.js:243:82 | ||
| native | ||
| src/index.js:53:25 | ||
| node_modules/tapable/lib/Tapable.js:142:13 | ||
| node_modules/webpack/lib/Compilation.js:641:10 | ||
| node_modules/tapable/lib/Tapable.js:131:46 | ||
| node_modules/webpack/lib/Compilation.js:637:9 | ||
| node_modules/tapable/lib/Tapable.js:131:46 | ||
| node_modules/webpack/lib/Compilation.js:580:8", | ||
| ] | ||
| `; | ||
| exports[`main.js 1`] = ` | ||
| "webpackJsonp([0],[ | ||
| /* 0 */ | ||
| /***/ (function(module, exports) { | ||
| // foo | ||
| /*@preserve*/ | ||
| // bar | ||
| var a = 2 + 2; | ||
| module.exports = function Foo() { | ||
| var b = 2 + 2; | ||
| console.log(b + 1 + 2); | ||
| }; | ||
| /***/ }) | ||
| ],[0]);" | ||
| `; | ||
| exports[`manifest.js 1`] = ` | ||
| "/******/ (function(modules) { // webpackBootstrap | ||
| /******/ // install a JSONP callback for chunk loading | ||
| /******/ var parentJsonpFunction = window[\\"webpackJsonp\\"]; | ||
| /******/ window[\\"webpackJsonp\\"] = function webpackJsonpCallback(chunkIds, moreModules, executeModules) { | ||
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| /******/ // __webpack_public_path__ | ||
| /******/ __webpack_require__.p = \\"\\"; | ||
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| /************************************************************************/ | ||
| /******/ ([]);" | ||
| `; | ||
| exports[`warnings 1`] = `Array []`; |
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