tests: add tests for coffeescript config (#1749)

test/config-format/coffee/coffee.test.js

@@ -0,0 +1,20 @@
+// eslint-disable-next-line node/no-unpublished-require
+const { run } = require('../../utils/test-utils');
+const { existsSync } = require('fs');
+const { resolve } = require('path');
+
+describe('webpack cli', () => {
+    it('should support coffeescript file as flag', () => {
+        const { stderr, stdout } = run(__dirname, ['-c', 'webpack.config.coffee'], false);
+        expect(stderr).toBeFalsy();
+        expect(stdout).toBeTruthy();
+        expect(existsSync(resolve(__dirname, 'dist/foo.bundle.js'))).toBeTruthy();
+    });
+
+    it('should load coffeescript file by default', () => {
+        const { stderr, stdout } = run(__dirname, [], false);
+        expect(stderr).toBeFalsy();
+        expect(stdout).toBeTruthy();
+        expect(existsSync(resolve(__dirname, 'dist/foo.bundle.js'))).toBeTruthy();
+    });
+});

test/config-format/coffee/main.js

@@ -0,0 +1 @@
+console.log('Sakusa Kiyoomi');

test/config-format/coffee/package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "coffeescript": "^2.5.1"
+  }
+}

test/config-format/coffee/webpack.config.coffee

@@ -0,0 +1,10 @@
+path = require 'path'
+
+config =
+    mode: 'production'
+    entry: './main.js'
+    output:
+        path: path.resolve(__dirname, 'dist')
+        filename: 'foo.bundle.js'
+
+module.exports = config;