webpack-subresource-integrity
Version:
Webpack plugin for enabling Subresource Integrity
61 lines • 2.6 kB
JavaScript
/**
* Copyright (c) 2015-present, Waysact Pty Ltd
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import { resolve } from "path";
import tmp from "tmp-promise";
import { SubresourceIntegrityPlugin } from "..";
import { runWebpack } from "./test-utils";
import merge from "lodash/merge";
jest.unmock("html-webpack-plugin");
async function runWebpackForSimpleProject(options = {}) {
const tmpDir = await tmp.dir({ unsafeCleanup: true });
return await runWebpack(merge({
mode: "production",
output: { path: tmpDir.path, crossOriginLoading: "anonymous" },
entry: resolve(__dirname, "./__fixtures__/simple-project/src/."),
plugins: [new SubresourceIntegrityPlugin()],
}, options));
}
test("enabled with webpack mode=production", async () => {
const mainAsset = (await runWebpackForSimpleProject())
.toJson()
.assets?.find((asset) => asset.name === "main.js");
expect(mainAsset).toBeDefined();
expect(mainAsset?.["integrity"]).toMatch(/^sha384-\S+$/);
});
test("disabled with webpack mode=development", async () => {
const mainAsset = (await runWebpackForSimpleProject({ mode: "development" }))
.toJson()
.assets?.find((asset) => asset.name === "main.js");
expect(mainAsset).toBeDefined();
expect(mainAsset?.["integrity"]).toBeUndefined();
});
const isHashWarning = (warning) => warning.message.match(/Use \[contenthash\] and ensure realContentHash/);
test("warns when [fullhash] is used", async () => {
const stats = await runWebpackForSimpleProject({
output: { filename: "[fullhash].js" },
});
expect(stats.compilation.warnings.find(isHashWarning)).toBeDefined();
});
test("warns when [contenthash] is used without realContentHash", async () => {
const stats = await runWebpackForSimpleProject({
output: { filename: "[contenthash].js" },
optimization: { realContentHash: false },
});
expect(stats.compilation.warnings.find(isHashWarning)).toBeDefined();
});
test("doesn't warn when [contenthash] is used with realContentHash", async () => {
const stats = await runWebpackForSimpleProject({
output: { filename: "[contenthash].js" },
optimization: { realContentHash: true },
});
expect(stats.compilation.warnings).toHaveLength(0);
});
test("doesn't warn with default options", async () => {
const stats = await runWebpackForSimpleProject();
expect(stats.compilation.warnings).toHaveLength(0);
});
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