Edgar ArakelyanandClaude Opus 5.5
5a61853a69
answerBatch kept every settled reply in its pending array until the batch ended, so a batch alternating data/add and data/get held each loaded state alive; each reply now leaves the queue as it is encoded. The exact-number policy judged a number by its recorded spelling, so a state loaded with 1e20 came back from data/get as 100000000000000000000, which data/add refused, breaking the promise that data/get output loads back unchanged. A number is exact only when both its recorded spelling and the one serialization writes are safe, so integers from 2^53 below 1e21 are refused in any spelling; replay keeps such bodies as recorded text. A domain test checks that every accepted number is accepted again once written back. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
67 lines
2.0 KiB
TypeScript
67 lines
2.0 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { environmentServeSourceWithBody as singleExchangeSource } from "../../../tests/fixtures/environmentServe.js";
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import type { EnvironmentSource } from "./environmentSource.js";
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import { replayEnvironmentTool } from "./environmentReplay.js";
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const replay = (
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name: string,
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args: Readonly<Record<string, unknown>>,
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source: EnvironmentSource,
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) => {
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const tool = source.manifest.tools.find((tool) => tool.name === name);
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if (tool === undefined) throw new Error("Missing fixture tool");
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const result = replayEnvironmentTool(source, tool, args);
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if (!result.ok) throw result.error;
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return result.value;
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};
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describe("replay JSON value fidelity", () => {
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it.each([
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'{"id":9007199254740993}',
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'{"id":9007199254740993.0}',
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'{"id":9.007199254740993e15}',
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'{"id":1e20}',
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'[{"id":18446744073709551615}]',
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'{"value":0.100000000000000005}',
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'{"value":1e-1000}',
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'{"value":-0}',
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])(
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"retains numeric JSON as text when conversion loses its value: %s",
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(text) => {
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expect(
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replay(
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"get_users_by_id",
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{},
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singleExchangeSource(text, "application/json"),
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),
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).toMatchObject({
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body: text,
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replay: {
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truncated: false,
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body_recorded: true,
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body_encoding: "utf-8",
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},
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});
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},
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);
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it("still parses equivalent ordinary numeric spellings", () => {
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const text = '{"integer":1.0,"exponent":1e3,"fraction":0.1}';
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expect(
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replay(
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"get_users_by_id",
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{},
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singleExchangeSource(text, "application/json"),
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).body,
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).toEqual({ integer: 1, exponent: 1000, fraction: 0.1 });
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});
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it("retains own prototype-named JSON properties", () => {
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const text = '{"__proto__":{"retained":true},"constructor":1}';
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const result = replay(
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"get_users_by_id",
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{},
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singleExchangeSource(text, "application/json"),
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);
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expect(JSON.stringify(result.body)).toBe(text);
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});
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});
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