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https://github.com/morluto/rea.git
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gensokyo-dev
f60e42a9ae
Reuse the pinned SDK's combined array-element and object-member admission before canonical validation, deferred runtime loading and tool execution. Share a configurable finite allowance across eager/deferred HTTP and stdio, and project refusals to bounded, actionable transport resource errors. Preserve canonical CLI/application contracts, caller-selected input values, ordinary validation semantics and complete Evidence access. Exercise actual transport boundaries, real artifact/TShark workflows, packaged installation, continued service and downstream identity/capacity regressions. Fixes #7882 BREAKING CHANGE: MCP tool arguments now default to 1,024 combined array elements and object members per call. Select a larger positive finite REA_MCP_MAX_INPUT_ELEMENTS allowance and restart for larger inline inputs, or use retained/file selectors where supported. Inputs are never truncated. Assisted-by: Reimu (gensokyo-skills:reimu-incident-triage) Assisted-by: Kogasa (gensokyo-skills:kogasa-surprise-testing) Assisted-by: Yukari (gensokyo-skills:yukari-boundary-analysis)
59 lines
2.1 KiB
TypeScript
59 lines
2.1 KiB
TypeScript
import { Client } from "@modelcontextprotocol/client";
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import { StdioClientTransport } from "@modelcontextprotocol/client/stdio";
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import { join, resolve } from "node:path";
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import { expect, it, onTestFinished } from "vitest";
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import { parseMcpToolError } from "../../fixtures/mcpToolError.js";
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import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
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it("applies the selected input allowance through the public deferred stdio entry point", async () => {
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const root = await createTestTempDirectory("rea-input-capacity-stdio-");
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const transport = new StdioClientTransport({
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command: process.execPath,
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args: [resolve("scripts/rea.mjs"), "mcp"],
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env: {
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PATH: process.env.PATH ?? "",
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HOME: root,
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USERPROFILE: root,
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XDG_CONFIG_HOME: join(root, "config"),
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XDG_CACHE_HOME: join(root, "cache"),
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XDG_DATA_HOME: join(root, "data"),
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HOPPER_LAUNCHER_PATH: "/rea-unconfigured-deep-provider/hopper",
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NODE_OPTIONS: "--max-old-space-size=3072",
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REA_LOG_LEVEL: "silent",
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REA_MCP_MAX_INPUT_ELEMENTS: "8192",
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},
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stderr: "pipe",
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});
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transport.stderr?.on("data", () => undefined);
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const client = new Client({ name: "input-capacity-stdio", version: "1" });
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onTestFinished(async () => {
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try {
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await client.close();
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} finally {
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await transport.close();
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}
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});
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await client.connect(transport);
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const result = await client.callTool({
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name: "compare_bundles",
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arguments: {
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left_bundle_path: join(root, "absent-left"),
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right_bundle_path: join(root, "absent-right"),
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record_pairs: Array.from({ length: 8192 }, () => 0),
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},
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});
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const { error } = parseMcpToolError(result);
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expect(error.code).toBe("resource_constraint");
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expect(error.details).toMatchObject({
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resource: "transport",
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reported_limits: { max_input_elements: 8192 },
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});
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expect(Buffer.byteLength(JSON.stringify(result))).toBeLessThan(4096);
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await client.ping();
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const healthy = await client.callTool({
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name: "inspect_analysis_settings",
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arguments: {},
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});
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expect(healthy.isError).not.toBe(true);
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}, 90_000);
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