731 lines
20 KiB
TypeScript
731 lines
20 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import type {
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OpfsPreparedObject,
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OpfsStorageScope,
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} from "../../src/application/ports/browser-file-storage/opfs-ports.ts";
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import type {
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BrowserStoragePolicy,
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} from "../../src/application/ports/browser-file-storage/shared.ts";
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import {
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resolveOpfsRuntimePolicy,
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} from "../../src/adapters/storage/opfs/opfs-policy.ts";
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import {
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createOpfsWorkerGateway,
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type OpfsWorkerLike,
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} from "../../src/adapters/storage/opfs/opfs-worker-client.ts";
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import type {
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OpfsWorkerRequest,
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OpfsWorkerResponse,
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} from "../../src/adapters/storage/opfs/opfs-worker-protocol.ts";
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import {
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createOpfsWorkerRuntime,
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type OpfsMutationLeaseManager,
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} from "../../src/adapters/storage/opfs/opfs-worker-runtime.ts";
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const scopeA: OpfsStorageScope = Object.freeze({
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namespace: "durable-objects",
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authorityToken: "authority_12345678",
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namespaceToken: "namespace_12345678",
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partitionToken: "partition_12345678",
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});
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const scopeB: OpfsStorageScope = Object.freeze({
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...scopeA,
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authorityToken: "authority_87654321",
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});
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const storagePolicy: BrowserStoragePolicy = Object.freeze({
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owner: "test-owner",
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namespace: scopeA.namespace,
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classification: "PERSONAL",
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authority: "LOCAL_FIRST",
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accountScope: "OPAQUE_PARTITION",
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retention: Object.freeze({ kind: "EXPLICIT_DELETE" }),
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softBudgetBytes: 1024 * 1024,
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hardBudgetBytes: 2 * 1024 * 1024,
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evictionPriority: "USER_AUTHORED",
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logoutAction: "EXPORT_THEN_PURGE",
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accountDeletionAction: "PURGE_PARTITION",
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pressureAction: "RETAIN",
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unavailableFallback: "EXPORT_REQUIRED",
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});
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const runtimePolicy = resolveOpfsRuntimePolicy({
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chunkSizeBytes: 64 * 1024,
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maxObjectBytes: 64 * 1024,
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maxChunkCount: 1,
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orphanGracePeriodMs: 60_000,
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});
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type MemoryNode = MemoryDirectory | MemoryFile;
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class MemoryFile {
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readonly kind = "file";
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bytes = new Uint8Array();
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lastModified = 0;
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}
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class MemoryDirectory {
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readonly kind = "directory";
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readonly children = new Map<string, MemoryNode>();
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async getDirectoryHandle(
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name: string,
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options: FileSystemGetDirectoryOptions = {},
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): Promise<FileSystemDirectoryHandle> {
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const current = this.children.get(name);
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if (current instanceof MemoryDirectory) {
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return current as unknown as FileSystemDirectoryHandle;
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}
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if (current || !options.create) throw notFound();
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const created = new MemoryDirectory();
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this.children.set(name, created);
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return created as unknown as FileSystemDirectoryHandle;
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}
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async getFileHandle(
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name: string,
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options: FileSystemGetFileOptions = {},
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): Promise<FileSystemFileHandle> {
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const current = this.children.get(name);
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if (current instanceof MemoryFile) {
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return fileHandle(current);
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}
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if (current || !options.create) throw notFound();
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const created = new MemoryFile();
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this.children.set(name, created);
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return fileHandle(created);
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}
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async removeEntry(
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name: string,
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options: FileSystemRemoveOptions = {},
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): Promise<void> {
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const current = this.children.get(name);
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if (!current) throw notFound();
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if (
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current instanceof MemoryDirectory &&
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current.children.size > 0 &&
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!options.recursive
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) {
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throw new DOMException("Directory is not empty.", "InvalidModificationError");
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}
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this.children.delete(name);
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}
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async *entries(): AsyncIterableIterator<
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[string, FileSystemDirectoryHandle | FileSystemFileHandle]
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> {
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for (const [name, node] of this.children) {
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yield [
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name,
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node instanceof MemoryDirectory
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? (node as unknown as FileSystemDirectoryHandle)
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: fileHandle(node),
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];
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}
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}
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has(path: readonly string[]): boolean {
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let current: MemoryNode = this;
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for (const segment of path) {
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if (!(current instanceof MemoryDirectory)) return false;
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const next = current.children.get(segment);
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if (!next) return false;
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current = next;
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}
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return true;
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}
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}
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function fileHandle(file: MemoryFile): FileSystemFileHandle {
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return {
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kind: "file",
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name: "memory",
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async getFile() {
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const blob = new Blob([Uint8Array.from(file.bytes)]);
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Object.defineProperty(blob, "lastModified", {
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value: file.lastModified,
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});
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return blob as File;
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},
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async createWritable() {
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let pending = Uint8Array.from(file.bytes);
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return {
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async write(data: FileSystemWriteChunkType) {
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if (!(data instanceof Uint8Array)) {
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throw new TypeError("The test writer accepts Uint8Array only.");
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}
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pending = Uint8Array.from(data);
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},
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async close() {
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file.bytes = pending;
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file.lastModified = Date.now();
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},
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async abort() {},
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} as unknown as FileSystemWritableFileStream;
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},
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} as FileSystemFileHandle;
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}
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function notFound(): DOMException {
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return new DOMException("Entry was not found.", "NotFoundError");
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}
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function beginRequest(
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requestId: string,
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transactionId: string,
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scope: OpfsStorageScope,
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): OpfsWorkerRequest {
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return {
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requestId,
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kind: "BEGIN_PUT",
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transactionId,
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scope,
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objectId: "object_12345678",
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generation: 1,
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declaredByteLength: 1,
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mediaType: "application/octet-stream",
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createdAtEpochMs: 100,
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storagePolicy,
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chunkSizeBytes: runtimePolicy.chunkSizeBytes,
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};
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}
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function immediateLeases(releases: { count: number }): OpfsMutationLeaseManager {
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return {
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async acquire() {
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let released = false;
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return {
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release() {
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if (released) return;
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released = true;
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releases.count += 1;
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},
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};
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},
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};
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}
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function expectFailureCode(
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response: OpfsWorkerResponse | null,
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code: string,
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): void {
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expect(response).toMatchObject({ ok: false, failure: { code } });
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}
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function preparedValue(
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response: OpfsWorkerResponse | null,
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): OpfsPreparedObject {
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if (
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!response?.ok ||
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!("value" in response) ||
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!response.value ||
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typeof response.value !== "object" ||
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response.value instanceof ArrayBuffer ||
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!("descriptor" in response.value)
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) {
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throw new Error("Expected a prepared OPFS object.");
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}
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return response.value;
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}
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describe("OPFS dedicated worker runtime", () => {
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it("cancels an exact BEGIN while waiting for a lock and releases a late lease", async () => {
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const root = new MemoryDirectory();
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let resolveLease:
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| ((lease: { release(): void }) => void)
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| undefined;
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let acquireSignal: AbortSignal | undefined;
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let releases = 0;
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const leaseManager: OpfsMutationLeaseManager = {
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acquire(signal) {
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acquireSignal = signal;
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return new Promise((resolve) => {
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resolveLease = resolve;
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});
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},
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};
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const runtime = createOpfsWorkerRuntime({
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root: root as unknown as FileSystemDirectoryHandle,
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crypto: globalThis.crypto,
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policy: runtimePolicy,
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leaseManager,
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dedicatedWorker: true,
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supportsSynchronousAccessHandles: false,
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});
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const beginning = runtime.handleRequest(
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beginRequest(
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"request_begin_1234",
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"transaction_12345678",
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scopeA,
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),
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);
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await Promise.resolve();
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const aborted = await runtime.handleRequest({
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requestId: "request_abort_1234",
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kind: "ABORT_PUT",
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scope: scopeA,
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transactionId: "transaction_12345678",
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});
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expect(aborted).toMatchObject({ ok: true });
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expect(acquireSignal?.aborted).toBe(true);
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resolveLease?.({
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release() {
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releases += 1;
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},
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});
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expectFailureCode(await beginning, "ABORTED");
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expect(releases).toBe(1);
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expect(root.children.size).toBe(0);
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});
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it("serializes APPEND against ABORT so no receipt or generation is resurrected", async () => {
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const root = new MemoryDirectory();
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const releases = { count: 0 };
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let resolveDigest:
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| ((digest: ArrayBuffer) => void)
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| undefined;
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const delayedCrypto = {
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subtle: {
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digest: () =>
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new Promise<ArrayBuffer>((resolve) => {
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resolveDigest = resolve;
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}),
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},
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} as unknown as Crypto;
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const runtime = createOpfsWorkerRuntime({
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root: root as unknown as FileSystemDirectoryHandle,
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crypto: delayedCrypto,
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policy: runtimePolicy,
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leaseManager: immediateLeases(releases),
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dedicatedWorker: true,
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supportsSynchronousAccessHandles: false,
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});
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expect(
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await runtime.handleRequest(
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beginRequest(
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"request_begin_5678",
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"transaction_56785678",
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scopeA,
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),
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),
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).toMatchObject({ ok: true });
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const appending = runtime.handleRequest({
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requestId: "request_append_5678",
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kind: "APPEND_CHUNK",
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scope: scopeA,
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transactionId: "transaction_56785678",
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sequence: 0,
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bytes: new Uint8Array([7]).buffer,
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});
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await Promise.resolve();
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const aborting = runtime.handleRequest({
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requestId: "request_abort_5678",
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kind: "ABORT_PUT",
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scope: scopeA,
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transactionId: "transaction_56785678",
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});
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resolveDigest?.(new Uint8Array(32).buffer);
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expectFailureCode(await appending, "ABORTED");
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expect(await aborting).toMatchObject({ ok: true });
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expect(releases.count).toBe(1);
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expect(
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root.has([
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"authorities",
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scopeA.authorityToken,
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scopeA.namespaceToken,
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scopeA.partitionToken,
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"staging",
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"transaction_56785678",
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]),
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).toBe(false);
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});
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it("isolates physical chunks and cancellation tombstones by opaque authority", async () => {
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const root = new MemoryDirectory();
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const releases = { count: 0 };
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const runtime = createOpfsWorkerRuntime({
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root: root as unknown as FileSystemDirectoryHandle,
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crypto: globalThis.crypto,
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policy: runtimePolicy,
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leaseManager: immediateLeases(releases),
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dedicatedWorker: true,
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supportsSynchronousAccessHandles: false,
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});
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const transactionId = "transaction_99999999";
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for (const [index, targetScope] of [scopeA, scopeB].entries()) {
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expect(
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await runtime.handleRequest(
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beginRequest(
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`request_begin_iso_${index}`,
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transactionId,
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targetScope,
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),
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),
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).toMatchObject({ ok: true });
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expect(
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await runtime.handleRequest({
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requestId: `request_append_iso_${index}`,
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kind: "APPEND_CHUNK",
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scope: targetScope,
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transactionId,
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sequence: 0,
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bytes: new Uint8Array([42]).buffer,
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}),
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).toMatchObject({ ok: true });
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}
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expect(
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await runtime.handleRequest({
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requestId: "request_abort_iso_a",
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kind: "ABORT_PUT",
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scope: scopeA,
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transactionId,
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}),
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).toMatchObject({ ok: true });
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const finished = await runtime.handleRequest({
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requestId: "request_finish_iso_b",
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kind: "FINISH_PUT",
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scope: scopeB,
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transactionId,
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});
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expect(finished).toMatchObject({ ok: true });
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const preparedObject = preparedValue(finished);
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expect(
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await runtime.handleRequest({
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requestId: "request_verify_iso_b",
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kind: "VERIFY_OBJECT",
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preparedObject,
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}),
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).toEqual({
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requestId: "request_verify_iso_b",
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ok: true,
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value: true,
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});
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});
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it("garbage-collects orphan chunks only inside the requested physical authority", async () => {
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const root = new MemoryDirectory();
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const releases = { count: 0 };
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const runtime = createOpfsWorkerRuntime({
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root: root as unknown as FileSystemDirectoryHandle,
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crypto: globalThis.crypto,
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policy: runtimePolicy,
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leaseManager: immediateLeases(releases),
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dedicatedWorker: true,
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supportsSynchronousAccessHandles: false,
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});
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const preparedByScope = new Map<string, OpfsPreparedObject>();
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for (const [index, targetScope] of [scopeA, scopeB].entries()) {
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const transactionId = `transaction_gc_${index}_1234`;
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await runtime.handleRequest(
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beginRequest(
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`request_gc_begin_${index}`,
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transactionId,
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targetScope,
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),
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);
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await runtime.handleRequest({
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requestId: `request_gc_append_${index}`,
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kind: "APPEND_CHUNK",
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scope: targetScope,
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transactionId,
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sequence: 0,
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bytes: new Uint8Array([99]).buffer,
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});
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const object = preparedValue(
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await runtime.handleRequest({
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requestId: `request_gc_finish_${index}`,
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kind: "FINISH_PUT",
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scope: targetScope,
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transactionId,
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}),
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);
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preparedByScope.set(targetScope.authorityToken, object);
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await runtime.handleRequest({
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requestId: `request_gc_finalize_${index}`,
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kind: "FINALIZE_PUT",
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transactionId,
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preparedObject: object,
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});
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}
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const digestHex = preparedByScope.get(
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scopeA.authorityToken,
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)!.chunks[0]!.digestHex;
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const cutoff = Date.now() + 10_000;
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expect(
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await runtime.handleRequest({
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requestId: "request_gc_list_a",
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kind: "LIST_ORPHAN_CANDIDATES",
|
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scope: scopeA,
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olderThanEpochMs: cutoff,
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maxEntries: 10,
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}),
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).toMatchObject({ ok: true, value: { digests: [digestHex] } });
|
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expect(
|
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await runtime.handleRequest({
|
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requestId: "request_gc_delete_a",
|
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kind: "DELETE_ORPHAN_CHUNK",
|
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scope: scopeA,
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digestHex,
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olderThanEpochMs: cutoff,
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}),
|
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).toMatchObject({ ok: true, value: { deleted: true } });
|
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|
|
expect(
|
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await runtime.handleRequest({
|
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requestId: "request_gc_verify_a",
|
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kind: "VERIFY_OBJECT",
|
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preparedObject: preparedByScope.get(scopeA.authorityToken)!,
|
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}),
|
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).toEqual({
|
|
requestId: "request_gc_verify_a",
|
|
ok: true,
|
|
value: false,
|
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});
|
|
expect(
|
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await runtime.handleRequest({
|
|
requestId: "request_gc_verify_b",
|
|
kind: "VERIFY_OBJECT",
|
|
preparedObject: preparedByScope.get(scopeB.authorityToken)!,
|
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}),
|
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).toEqual({
|
|
requestId: "request_gc_verify_b",
|
|
ok: true,
|
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value: true,
|
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});
|
|
});
|
|
|
|
it("reports every required capability and fails closed when the lock is absent", async () => {
|
|
const runtime = createOpfsWorkerRuntime({
|
|
root: new MemoryDirectory() as unknown as FileSystemDirectoryHandle,
|
|
crypto: globalThis.crypto,
|
|
policy: runtimePolicy,
|
|
leaseManager: null,
|
|
dedicatedWorker: true,
|
|
supportsSynchronousAccessHandles: true,
|
|
});
|
|
expect(
|
|
await runtime.handleRequest({
|
|
requestId: "request_caps_1234",
|
|
kind: "CAPABILITIES",
|
|
}),
|
|
).toEqual({
|
|
requestId: "request_caps_1234",
|
|
ok: true,
|
|
value: {
|
|
available: false,
|
|
dedicatedWorkerRequired: true,
|
|
crossContextMutationLockAvailable: false,
|
|
synchronousAccessHandleAvailable: true,
|
|
},
|
|
});
|
|
expectFailureCode(
|
|
await runtime.handleRequest(
|
|
beginRequest(
|
|
"request_begin_caps",
|
|
"transaction_caps_1234",
|
|
scopeA,
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|
),
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),
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"UNSUPPORTED",
|
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);
|
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});
|
|
});
|
|
|
|
describe("OPFS worker client lifecycle", () => {
|
|
it("rejects a colliding concurrent request id without replacing the first RPC", async () => {
|
|
let listener: ((event: MessageEvent<unknown>) => void) | undefined;
|
|
const posted: OpfsWorkerRequest[] = [];
|
|
const worker: OpfsWorkerLike = {
|
|
postMessage(message) {
|
|
posted.push(message);
|
|
},
|
|
addEventListener(_type, next) {
|
|
listener = next;
|
|
},
|
|
removeEventListener() {
|
|
listener = undefined;
|
|
},
|
|
};
|
|
const gateway = createOpfsWorkerGateway({
|
|
worker,
|
|
policy: runtimePolicy,
|
|
createRequestId: () => "request_collision_1234",
|
|
});
|
|
|
|
const first = gateway.capabilities();
|
|
const second = gateway.capabilities();
|
|
expect(posted).toHaveLength(1);
|
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|
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listener?.({
|
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data: {
|
|
requestId: "request_collision_1234",
|
|
ok: true,
|
|
value: {
|
|
available: true,
|
|
dedicatedWorkerRequired: true,
|
|
crossContextMutationLockAvailable: true,
|
|
synchronousAccessHandleAvailable: true,
|
|
},
|
|
},
|
|
} as MessageEvent<unknown>);
|
|
const secondResult = await second;
|
|
gateway.close();
|
|
await expect(first).resolves.toMatchObject({ ok: true });
|
|
expect(secondResult).toMatchObject({
|
|
ok: false,
|
|
error: { code: "UNAVAILABLE" },
|
|
});
|
|
});
|
|
|
|
it("rejects pending RPCs immediately when the worker reports a fatal event", async () => {
|
|
let failureListener: ((event: Event) => void) | undefined;
|
|
const worker: OpfsWorkerLike = {
|
|
postMessage() {},
|
|
addEventListener() {},
|
|
removeEventListener() {},
|
|
addFailureEventListener(listener) {
|
|
failureListener = listener;
|
|
},
|
|
removeFailureEventListener() {
|
|
failureListener = undefined;
|
|
},
|
|
};
|
|
const gateway = createOpfsWorkerGateway({
|
|
worker,
|
|
policy: runtimePolicy,
|
|
createRequestId: () => "request_crash_1234",
|
|
});
|
|
const pending = gateway.capabilities();
|
|
|
|
expect(failureListener).toBeTypeOf("function");
|
|
if (!failureListener) {
|
|
gateway.close();
|
|
return;
|
|
}
|
|
failureListener(new Event("error"));
|
|
await expect(pending).resolves.toMatchObject({
|
|
ok: false,
|
|
error: { code: "UNAVAILABLE" },
|
|
});
|
|
await expect(gateway.capabilities()).resolves.toMatchObject({
|
|
ok: false,
|
|
error: { code: "UNAVAILABLE" },
|
|
});
|
|
});
|
|
|
|
it("scopes the open signal to verification and leaves the acquired source readable", async () => {
|
|
let listener:
|
|
| ((event: MessageEvent<unknown>) => void)
|
|
| undefined;
|
|
const worker: OpfsWorkerLike = {
|
|
postMessage(message) {
|
|
const response: OpfsWorkerResponse =
|
|
message.kind === "VERIFY_OBJECT"
|
|
? {
|
|
requestId: message.requestId,
|
|
ok: true,
|
|
value: true,
|
|
}
|
|
: {
|
|
requestId: message.requestId,
|
|
ok: true,
|
|
value: new Uint8Array([4, 2]).buffer,
|
|
};
|
|
queueMicrotask(() =>
|
|
listener?.({ data: response } as MessageEvent<unknown>),
|
|
);
|
|
},
|
|
addEventListener(_type, nextListener) {
|
|
listener = nextListener;
|
|
},
|
|
removeEventListener() {
|
|
listener = undefined;
|
|
},
|
|
};
|
|
let requestSequence = 0;
|
|
const gateway = createOpfsWorkerGateway({
|
|
worker,
|
|
policy: runtimePolicy,
|
|
createRequestId: () => `request_open_${++requestSequence}_1234`,
|
|
});
|
|
const preparedObject: OpfsPreparedObject = {
|
|
physicalSchemaVersion: 1,
|
|
descriptor: {
|
|
objectId: "object_open_12345678",
|
|
scope: scopeA,
|
|
generation: 1,
|
|
byteLength: 2,
|
|
mediaType: "application/octet-stream",
|
|
createdAtEpochMs: 100,
|
|
integrity: {
|
|
algorithm: "SHA-256-TREE-V1",
|
|
rootDigestHex: "a".repeat(64),
|
|
chunkSizeBytes: runtimePolicy.chunkSizeBytes,
|
|
},
|
|
storagePolicy,
|
|
},
|
|
chunks: [
|
|
{
|
|
sequence: 0,
|
|
byteLength: 2,
|
|
digestHex: "b".repeat(64),
|
|
},
|
|
],
|
|
};
|
|
const openController = new AbortController();
|
|
const opened = await gateway.openObject(
|
|
preparedObject,
|
|
openController.signal,
|
|
);
|
|
expect(opened.ok).toBe(true);
|
|
openController.abort();
|
|
|
|
const chunks: number[][] = [];
|
|
if (opened.ok) {
|
|
for await (const result of opened.value.stream(
|
|
new AbortController().signal,
|
|
)) {
|
|
expect(result.ok).toBe(true);
|
|
if (result.ok) chunks.push([...result.value]);
|
|
}
|
|
}
|
|
expect(chunks).toEqual([[4, 2]]);
|
|
gateway.close();
|
|
});
|
|
|
|
it("removes its listener and rejects all pending RPCs before Worker termination", async () => {
|
|
const listeners = new Set<(event: MessageEvent<unknown>) => void>();
|
|
const worker: OpfsWorkerLike = {
|
|
postMessage() {},
|
|
addEventListener(_type, listener) {
|
|
listeners.add(listener);
|
|
},
|
|
removeEventListener(_type, listener) {
|
|
listeners.delete(listener);
|
|
},
|
|
};
|
|
const gateway = createOpfsWorkerGateway({
|
|
worker,
|
|
policy: runtimePolicy,
|
|
createRequestId: () => "request_pending_1234",
|
|
});
|
|
const pending = gateway.capabilities();
|
|
expect(listeners.size).toBe(1);
|
|
gateway.close();
|
|
expect(listeners.size).toBe(0);
|
|
await expect(pending).resolves.toMatchObject({
|
|
ok: false,
|
|
error: { code: "UNAVAILABLE" },
|
|
});
|
|
await expect(gateway.capabilities()).resolves.toMatchObject({
|
|
ok: false,
|
|
error: { code: "UNAVAILABLE" },
|
|
});
|
|
});
|
|
});
|