fix: test

Author: alexander-akait

package-lock.json

@@ -72,7 +72,7 @@
     "npm-run-all": "^4.1.5",
     "prettier": "^1.19.1",
     "standard-version": "^7.0.1",
-    "webpack": "^4.41.3",
+    "webpack": "^4.41.4",
     "webpack-cli": "^3.3.6",
     "webpack-dev-server": "^3.7.2"
   },

package.json

@@ -26,10 +26,14 @@ function compareDirectory(actual, expected) {
 }
 
 function compareWarning(actual, expectedFile) {
-  if (!fs.existsSync(expectedFile)) return;
+  if (!fs.existsSync(expectedFile)) {
+    return;
+  }
+
+  // eslint-disable-next-line global-require, import/no-dynamic-require
+  const expected = require(expectedFile);
 
-  const expected = require(expectedFile); // eslint-disable-line global-require,import/no-dynamic-require
-  expect(actual).toBe(expected);
+  expect(actual.trim()).toBe(expected.trim());
 }
 
 describe('TestCases', () => {
@@ -97,8 +101,19 @@ describe('TestCases', () => {
           }
 
           const expectedDirectory = path.resolve(directoryForCase, 'expected');
+          const expectedDirectoryByVersion = path.join(
+            expectedDirectory,
+            `webpack-${webpack.version[0]}`
+          );
 
-          compareDirectory(outputDirectoryForCase, expectedDirectory);
+          if (fs.existsSync(expectedDirectoryByVersion)) {
+            compareDirectory(
+              outputDirectoryForCase,
+              expectedDirectoryByVersion
+            );
+          } else {
+            compareDirectory(outputDirectoryForCase, expectedDirectory);
+          }
 
           const expectedWarning = path.resolve(directoryForCase, 'warnings.js');
           const actualWarning = stats.toString({

test/TestCases.test.js

@@ -0,0 +1,4 @@
+.base {
+  background: blue;
+}
+

test/cases/composes-async/expected/1.css renamed to test/cases/composes-async/expected/webpack-4/1.css

@@ -0,0 +1,4 @@
+.base {
+  background: blue;
+}
+

test/cases/composes-async/expected/2.css renamed to test/cases/composes-async/expected/webpack-4/2.css

@@ -1,5 +1,7 @@
 import Self from '../../../src';
 
+// TODO buggy in webpack@5
+
 module.exports = {
   entry: './index.js',
   module: {

test/cases/composes-async/expected/webpack-5/1.css

@@ -0,0 +1,24 @@
+@import url(https://some/other/external/css);
+@import url(https://some/external/css);
+body {
+  background: red;
+}
+
+.c {
+  background: red;
+}
+
+.c {
+  color: yellow;
+}
+
+.b {
+  background: red;
+}
+
+.b {
+  color: yellow;
+}
+
+
+

test/cases/composes-async/expected/webpack-5/2.css

@@ -0,0 +1,7 @@
+/******/ (() => { // webpackBootstrap
+/******/ 	/************************************************************************/
+// extracted by mini-css-extract-plugin
+    if(false) { var cssReload; }
+  
+/******/ })()
+;