Fill in chunks

Author: aomarks

src/test/cache-github-live.test.ts

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import {pseudoRandomBytes} from 'node:crypto';
+import {randomFillSync} from 'node:crypto';
 import {test} from 'uvu';
 import * as assert from 'uvu/assert';
 import {GitHubActionsCache} from '../caching/github-actions-cache.js';
@@ -45,7 +45,13 @@ test(
     assert.is(get1, undefined);
 
     const filename = 'test';
-    const content = pseudoRandomBytes(200 * 1024 * 1024);
+
+    const content = Buffer.alloc(200 * 1024 * 1024);
+    const chunkSize = 10 * 1024 * 1024;
+    for (let i = 0; i < content.length; i += chunkSize) {
+      randomFillSync(content, i, Math.min(chunkSize, content.length - i));
+    }
+
     await rig.write(filename, content);
     const set1 = await cache.set(script, fingerprint, [
       {
@@ -74,7 +80,6 @@ test(
     await get2.apply();
     assert.ok(await rig.exists('test'));
     const actual = await rig.readBytes('test');
-    console.log({actual});
     assert.equal(actual, content);
 
     // TODO(aomarks) Test >100MB file because that will require some different

src/test/util/filesystem-test-rig.ts

@@ -79,9 +79,13 @@ export class FilesystemTestRig {
     if (typeof fileOrFiles === 'string') {
       const absolute = pathlib.resolve(this.temp, fileOrFiles);
       await fs.mkdir(pathlib.dirname(absolute), {recursive: true});
-      const str =
-        typeof data === 'string' ? data : JSON.stringify(data, null, 2);
-      await fs.writeFile(absolute, str, 'utf8');
+      if (typeof data === 'string') {
+        await fs.writeFile(absolute, data, 'utf8');
+      } else if (Buffer.isBuffer(data)) {
+        await fs.writeFile(absolute, data);
+      } else {
+        await fs.writeFile(absolute, JSON.stringify(data, null, 2), 'utf8');
+      }
     } else {
       await Promise.all(
         Object.entries(fileOrFiles).map(async ([relative, data]) =>