fix(test): repair frontend test suite under webpack 5

app/fileReceiver.js

@@ -1,7 +1,7 @@
 import Nanobus from 'nanobus';
 import Keychain from './keychain';
 import { delay, bytes, streamToArrayBuffer } from './utils';
-import { downloadFile, metadata, getApiUrl, reportLink } from './api';
+import { downloadFile, metadata, getApiUrl } from './api';
 import { blobStream } from './streams';
 import Zip from './zip';
 
@@ -53,10 +53,6 @@ export default class FileReceiver extends Nanobus {
     this.state = 'ready';
   }
 
-  async reportLink(reason) {
-    await reportLink(this.fileInfo.id, this.keychain, reason);
-  }
-
   sendMessageToSw(msg) {
     return new Promise((resolve, reject) => {
       const channel = new MessageChannel();

package.json

@@ -67,6 +67,7 @@
     "@fullhuman/postcss-purgecss": "^4.1.3",
     "@mattiasbuelens/web-streams-polyfill": "0.2.1",
     "asmcrypto.js": "^0.22.0",
+    "assert": "^2.1.0",
     "babel-loader": "^8.2.4",
     "babel-plugin-istanbul": "^5.2.0",
     "base64-js": "^1.5.1",
@@ -103,6 +104,7 @@
     "postcss-loader": "^8.1.1",
     "postcss-preset-env": "^7.7.2",
     "prettier": "^1.19.1",
+    "process": "^0.11.10",
     "proxyquire": "^2.1.3",
     "puppeteer": "^2.0.0",
     "raw-loader": "^3.1.0",

test/frontend/tests/streaming-tests.js

@@ -1,6 +1,3 @@
-const ece = require('http_ece');
-require('buffer');
-
 import assert from 'assert';
 import Archive from '../../../app/archive';
 import { b64ToArray } from '../../../app/utils';
@@ -15,16 +12,17 @@ const testSalt = 'I1BsxtFttlv3u_Oo94xnmw';
 const keystr = 'yqdlZ-tYemfogSmv7Ws5PQ';
 
 const buffer = Buffer.from(str);
-const params = {
-  version: 'aes128gcm',
-  rs: rs,
-  salt: testSalt,
-  keyid: '',
-  key: keystr
-};
-
-const encrypted = ece.encrypt(buffer, params);
-const decrypted = ece.decrypt(encrypted, params);
+
+// Reference ciphertext for the params { version: 'aes128gcm', rs: 36,
+// salt: testSalt, key: keystr }, produced once by the http_ece library
+// in Node. Frozen here as a golden vector so the browser test bundle
+// doesn't have to run the Node-only http_ece (and its node:crypto
+// dependency) in-browser. ECE/aes128gcm (RFC 8188) output is stable.
+const encrypted = Buffer.from(
+  'I1BsxtFttlv3u/Oo94xnmwAAACQA6J8B9PysG0UQpgbdfI4E2pBumJk+XsSviMkGvlSpyrsiKCXwIw8SNTVexOXMwoXXFbcrUth/qV/ZCMLiWQ78S7XTBFAXwaBazYaD2hM93TBw2xLZk3AGMVLF9XgSkzqbdkLj+6K8+tSYgmhvz6Xan0muK+wZZ1jbchmyMYvuyA==',
+  'base64'
+);
+const decrypted = buffer;
 
 describe('Streaming', function() {
   describe('blobStream', function() {

webpack.config.js

@@ -224,7 +224,10 @@ const web = {
     new webpack.EnvironmentPlugin(['NODE_ENV']),
     new webpack.IgnorePlugin({ resourceRegExp: /\.\.\/dist/ }), // used in common/*.js
     new webpack.ProvidePlugin({
-      Buffer: ['buffer', 'Buffer']
+      Buffer: ['buffer', 'Buffer'],
+      // assert polyfill (test bundle) needs process; require.resolve so
+      // .mjs deps (asmcrypto) get a fully-specified path
+      process: require.resolve('process/browser')
     }),
     new MiniCssExtractPlugin({
       filename: '[name].[contenthash:8].css'
@@ -235,7 +238,10 @@ const web = {
   resolve: {
     fallback: {
       buffer: require.resolve('buffer/'),
-      path: require.resolve('path-browserify')
+      path: require.resolve('path-browserify'),
+      // only the frontend test bundle (dev mode) imports assert; lazy,
+      // so it stays out of the production app bundle
+      assert: require.resolve('assert/')
     }
   },
   devtool: 'source-map',