47 lines
2.7 KiB
JavaScript
47 lines
2.7 KiB
JavaScript
import assert from "node:assert/strict";
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import { writeFile } from "node:fs/promises";
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import { MemoryStorage, WorkspaceJournal, canonicalJson } from "./journal.mjs";
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import { recoverWorkspace } from "./recovery.mjs";
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const storage = new MemoryStorage();
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const journal = new WorkspaceJournal(storage, { projectId: "demo" });
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const prepared = journal.prepare("op-1", [{ path: "config/main.ini", data: "[EMC]\n" }, { path: "programs/main.ngc", data: "G0 X1\n" }]);
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journal.commit("op-1");
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let recovered = recoverWorkspace(storage, { projectId: "demo" });
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assert.equal(recovered.status, "recovered");
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assert.deepEqual(recovered.files, { "config/main.ini": "[EMC]\n", "programs/main.ngc": "G0 X1\n" });
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assert.equal(recovered.applied[0].commit_seq, prepared.commit_seq);
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const halfStorage = new MemoryStorage();
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const halfJournal = new WorkspaceJournal(halfStorage, { projectId: "half" });
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halfJournal.prepare("op-half", [{ path: "config/half.ini", data: "half" }]);
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recovered = recoverWorkspace(halfStorage, { projectId: "half" });
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assert.equal(recovered.status, "recovered");
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assert.deepEqual(recovered.files, {});
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assert.deepEqual(recovered.half_commits, [1]);
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assert.throws(() => journal.prepare("op-path", [{ path: "../escape", data: "x" }]), /workspace_path_invalid/);
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assert.throws(() => journal.prepare("op-data", [{ path: "config/bad", data: 1 }]), /workspace_data_invalid/);
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assert.throws(() => journal.commit("missing"), /prepare_missing/);
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const corrupted = new MemoryStorage(Object.fromEntries(storage.entries()));
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const commitKey = [...corrupted.records.keys()].find((key) => key.endsWith(".commit"));
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const commit = JSON.parse(corrupted.get(commitKey));
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commit.prepare_hash = "fnv1a64:0000000000000000";
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corrupted.set(commitKey, canonicalJson(commit));
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recovered = recoverWorkspace(corrupted, { projectId: "demo" });
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assert.equal(recovered.status, "blocked");
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assert.equal(recovered.blocked[0].reason, "hash_mismatch");
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const firstBytes = canonicalJson([...storage.entries()]);
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const secondBytes = canonicalJson([...storage.entries()]);
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assert.equal(firstBytes, secondBytes);
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await writeFile(new URL("../../coverage/workspace-recovery.report.json", import.meta.url), `${JSON.stringify({ schema: "workspace-recovery-report.v1", status: "passed", scenarios: ["atomic_commit", "half_commit_ignored", "path_validation", "hash_corruption_blocked"], journal_bytes_sha256: fnvHash(firstBytes), recovery_state_hash: recovered.state_hash }, null, 2)}\n`);
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console.log("workspace_recovery=passed commit=" + prepared.commit_seq);
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function fnvHash(value) {
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let hash = 1469598103934665603n;
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for (const byte of new TextEncoder().encode(value)) hash = BigInt.asUintN(64, (hash ^ BigInt(byte)) * 1099511628211n);
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return `fnv1a64:${hash.toString(16).padStart(16, "0")}`;
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}
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