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test: enable building tests with webpack as well as parcel

This commit is contained in:
Ben Heidemann 2021-03-21 13:38:28 +00:00
parent 3e2f780330
commit a52f9aa745
3 changed files with 79 additions and 0 deletions
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8
tests/webpack-tests.js Normal file
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// Include the mocha css
require('mocha/mocha.css');
// Setup mocha and set it to run tests on window load
require('./setup-mocha');
// Add any new tests to `tests/index.js`
require('./index');

61
tests/webpack.config.js Normal file
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const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const NodePolyfillPlugin = require("node-polyfill-webpack-plugin");
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const path = require('path');
module.exports = env => ({
mode: 'development',
entry: path.resolve(__dirname, './webpack-tests.js'),
resolve: {
alias: {
'fsProvider': path.resolve(__dirname, '../shims/providers/default'),
},
},
output: {
path: path.resolve(__dirname, './dist-webpack'),
filename: 'index.js',
},
plugins: [
new webpack.ContextReplacementPlugin(
// Mocha safely uses require in such a way that webpack cannot statically extract dependancies.
// If the ignoreRequestDependancyExpressionWarnings env is set, we will aggregate these warnings
// into one summary warning to minimise spamming the console.
/\/node_modules\/mocha\/lib/,
(data) => {
if (env.ignoreRequestDependancyExpressionWarnings) {
let requestDependencyExpressionsIgnored = 0;
data.dependencies.forEach((dependancy) => {
if (dependancy.critical === 'the request of a dependency is an expression') {
dependancy.critical = undefined;
requestDependencyExpressionsIgnored += 1;
}
});
console.log(`WARNING: Ignoring ${requestDependencyExpressionsIgnored} "request of a dependency is an expression" warnings from "node_modules/mocha/lib".`);
}
return data;
},
),
new NodePolyfillPlugin(),
new MiniCssExtractPlugin(),
new HtmlWebpackPlugin({
title: 'Filer Tests - Webpack Build',
template: './tests/webpack.index.html',
}),
],
module: {
rules: [
{
test: /\.css$/i,
use: [MiniCssExtractPlugin.loader, 'css-loader'],
},
],
},
optimization: {
minimize: false,
},
devtool: 'inline-source-map',
devServer: {
contentBase: path.resolve(__dirname, './dist-webpack'),
}
});

10
tests/webpack.index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title><%= htmlWebpackPlugin.options.title %></title>
</head>
<body>
<div id="mocha"></div>
</body>
</html>