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83 lines
3.2 KiB
83 lines
3.2 KiB
/* eslint-disable import/no-dynamic-require, global-require */
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import fs from 'fs';
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import path from 'path';
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import webpack from 'webpack';
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import ExtractTextPlugin from 'extract-text-webpack-plugin';
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import OptimizeCssAssetsPlugin from '../src/';
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import { readFileOrEmpty, defaultConfig, checkForWebpackErrors } from './util/helpers';
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const cases = process.env.CASES ? process.env.CASES.split(',') : fs.readdirSync(path.join(__dirname, 'cases'));
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describe('Webpack Integration Tests', () => {
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cases.forEach((testCase) => {
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if (/^_skip_/.test(testCase)) return;
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it(testCase, (done) => {
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const testDirectory = path.join(__dirname, 'cases', testCase);
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const outputDirectory = path.join(__dirname, 'js', testCase);
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const expectedDirectory = path.join(testDirectory, 'expected');
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const configFile = path.join(testDirectory, 'webpack.config.js');
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const config = Object.assign(
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fs.existsSync(configFile) ? require(configFile) : { entry: { test: './index.js' } },
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{
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context: testDirectory,
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output: {
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filename: '[name].js',
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path: outputDirectory
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}
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}
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);
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webpack(config, (err, stats) => {
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checkForWebpackErrors({ err, stats, done });
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fs.readdirSync(expectedDirectory).forEach((file) => {
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const expectedFile = readFileOrEmpty(path.join(expectedDirectory, file));
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const actualFile = readFileOrEmpty(path.join(outputDirectory, file));
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expect(actualFile).toEqual(expectedFile);
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expect(actualFile).toMatchSnapshot();
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});
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done();
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});
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});
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});
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it('calls cssProcessor with correct arguments', (done) => {
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const destination = 'destination.css';
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const expectedCss = readFileOrEmpty(__dirname + '/util/default.css');
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const cssProcessorOptions = { discardComments: { removeAll: true } };
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const cssProcessor = {
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process: (actualCss, options) => {
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expect(options).toEqual(expect.objectContaining(cssProcessorOptions));
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expect(actualCss).toEqual(expectedCss);
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return Promise.resolve({ css: actualCss });
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}
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};
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const plugin = new OptimizeCssAssetsPlugin({ cssProcessor, cssProcessorOptions });
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const config = Object.assign(defaultConfig, {plugins: [plugin, new ExtractTextPlugin(destination)]});
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webpack(config, (err, stats) => {
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checkForWebpackErrors({ err, stats, done });
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done();
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});
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});
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it('writes processed css to destination', (done) => {
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const destination = 'destination.css';
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const expectedCss = '.inifinity-pool{overflow:hidden;}';
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const fakeCssProcessor = {
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process: jest.fn().mockReturnValue(Promise.resolve({ css: expectedCss }))
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};
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const plugin = new OptimizeCssAssetsPlugin({ cssProcessor: fakeCssProcessor });
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const config = Object.assign(defaultConfig, {plugins: [plugin, new ExtractTextPlugin(destination)]});
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webpack(config, (err, stats) => {
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checkForWebpackErrors({ err, stats, done });
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const actualCss = readFileOrEmpty(__dirname + '/js/default-exports/destination.css');
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expect(fakeCssProcessor.process).toHaveBeenCalled();
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expect(actualCss).toEqual(expectedCss);
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done();
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});
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});
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});
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