Squashed 'third_party/pi/' content from commit d981de122

git-subtree-dir: third_party/pi
git-subtree-split: d981de1229ef899957bbe968bc8dcda02a21f477

packages/session-backends/sqlite-node/benchmark/session/storage-targets.ts

@@ -0,0 +1,48 @@
+import { BACKGROUND_CONTEXT } from "@earendil-works/pi-agent-core";
+import type { StorageFixture } from "@earendil-works/pi-agent-core/harness/session/testing";
+import { createNodeSqliteFactory, SQLITE_STORAGE_VERSION, SqliteStorage, sql } from "../../src/index.ts";
+import { applyInitialSchema } from "../../src/sqlite/migrations.ts";
+import type { BenchmarkTarget } from "../../../../agent/benchmark/session/benchmark.ts";
+
+const SESSION_ID = "session";
+const NOW = 1_700_000_000_000;
+const EMPTY_USAGE = {
+	input: 0,
+	output: 0,
+	cacheRead: 0,
+	cacheWrite: 0,
+	totalTokens: 0,
+	cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0, total: 0 },
+};
+
+export const storageBenchmarkTargets = [
+	{
+		name: "sqlite",
+		async createFixture() {
+			const db = await createNodeSqliteFactory().open(":memory:");
+			try {
+				db.exec("PRAGMA journal_mode = WAL; PRAGMA busy_timeout = 5000;");
+				await applyInitialSchema(db);
+				sql`INSERT INTO sessions
+					(id, created_at, parent_session_id, storage_version, metadata, message_count, usage_payload, next_seq)
+					VALUES (${SESSION_ID}, ${NOW}, ${null}, ${SQLITE_STORAGE_VERSION}, ${null}, ${0}, ${JSON.stringify(EMPTY_USAGE)}, ${1})`.run(
+					db,
+				);
+				const storage = new SqliteStorage(db, { sessionId: SESSION_ID, now: () => NOW });
+				return {
+					storage,
+					async [Symbol.asyncDispose]() {
+						try {
+							await storage.close(BACKGROUND_CONTEXT);
+						} finally {
+							db.close();
+						}
+					},
+				} satisfies StorageFixture;
+			} catch (error) {
+				db.close();
+				throw error;
+			}
+		},
+	},
+] satisfies readonly BenchmarkTarget<StorageFixture>[];