test: strengthen MCP prompt acceptance coverage
This commit is contained in:
N0zoM1z0
parent
24c3adb553
commit
05fb9b17c9
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@ -36,19 +36,31 @@ export const verifyPackagedPromptCatalog = async (
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throw new Error("packaged MCP guided prompt rendering failed");
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};
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/** Verify live completion through the installed stdio MCP artifact. */
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export const verifyPackagedPromptCompletion = async (client, options) => {
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const result = await client.complete(
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/** Verify live completion through each installed stdio target state. */
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export const verifyPackagedPromptCompletion = async (
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client,
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options,
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targetOpen,
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) => {
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const expected = targetOpen ? ["fixture"] : [];
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const requests = [
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{
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ref: { type: "ref/prompt", name: "investigate_feature" },
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argument: { name: "document", value: "fix" },
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},
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options,
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);
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if (
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JSON.stringify(result.completion.values) !== JSON.stringify(["fixture"]) ||
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result.completion.total !== 1 ||
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result.completion.hasMore !== false
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)
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throw new Error("packaged MCP prompt completion failed");
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{
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ref: { type: "ref/prompt", name: "investigate_feature" },
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argument: { name: "procedure", value: "fix" },
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context: { arguments: { document: "fixture" } },
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},
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];
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for (const request of requests) {
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const result = await client.complete(request, options);
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if (
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JSON.stringify(result.completion.values) !== JSON.stringify(expected) ||
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result.completion.total !== expected.length ||
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result.completion.hasMore !== false
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)
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throw new Error("packaged MCP prompt completion lifecycle failed");
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}
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};
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@ -430,6 +430,7 @@ try {
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)
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throw new Error("packaged MCP tool inventory diverged from contracts");
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await verifyPackagedPromptCatalog(client, mcpOptions, expectedPromptNames);
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await verifyPackagedPromptCompletion(client, mcpOptions, false);
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const result = await client.callTool(
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{ name: "current_document", arguments: {} },
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mcpOptions,
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@ -442,7 +443,7 @@ try {
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);
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if (opened.isError === true)
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throw new Error("packaged MCP could not open a binary");
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await verifyPackagedPromptCompletion(client, mcpOptions);
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await verifyPackagedPromptCompletion(client, mcpOptions, true);
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const current = await client.callTool(
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{ name: "current_document", arguments: {} },
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mcpOptions,
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@ -472,6 +473,7 @@ try {
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);
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if (closed.isError === true)
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throw new Error("packaged MCP could not close its binary");
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await verifyPackagedPromptCompletion(client, mcpOptions, false);
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const mcpBundlePath = join(evidenceRoot, "mcp.json");
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const mcpExport = await client.callTool(
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{ name: "export_evidence_bundle", arguments: { path: mcpBundlePath } },
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@ -493,7 +495,7 @@ try {
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}
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process.stdout.write(
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`${JSON.stringify({ cli: true, analysisCli: true, artifactCli: true, evidenceCli: true, incurMcpCommand: "npx -y rea-agents mcp", doctor: "platform-appropriate", setup: supportedSetupHost ? "planned-then-idempotent" : "unsupported-host-rejected", setupPlanReadOnly: supportedSetupHost, existingHopperPreserved: supportedSetupHost, clients: supportedSetupHost ? 2 : 0, backupReadback: supportedSetupHost, failureRecovery: supportedSetupHost, skill: supportedSetupHost, mcpTools: expectedToolCount, mcpPrompts: expectedPromptNames.length, promptCompletion: true, evidenceMcp: true, targetFree: true, targetLifecycle: true })}\n`,
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`${JSON.stringify({ cli: true, analysisCli: true, artifactCli: true, evidenceCli: true, incurMcpCommand: "npx -y rea-agents mcp", doctor: "platform-appropriate", setup: supportedSetupHost ? "planned-then-idempotent" : "unsupported-host-rejected", setupPlanReadOnly: supportedSetupHost, existingHopperPreserved: supportedSetupHost, clients: supportedSetupHost ? 2 : 0, backupReadback: supportedSetupHost, failureRecovery: supportedSetupHost, skill: supportedSetupHost, mcpTools: expectedToolCount, mcpPrompts: expectedPromptNames.length, promptCompletion: true, promptCompletionLifecycle: true, evidenceMcp: true, targetFree: true, targetLifecycle: true })}\n`,
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);
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} finally {
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if (tarball) await rm(join(root, tarball), { force: true });
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@ -168,6 +168,73 @@ describe("guided prompt completion", () => {
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});
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expect(await completion.complete("procedure", "")).toEqual(["0x1000"]);
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});
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it("bounds procedure scans and rejects non-advancing continuation metadata", async () => {
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let calls = 0;
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const bounded = createPromptCompletionSource({
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execute(_operation, parameters) {
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calls += 1;
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const offset = Number(parameters.offset);
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const items = Array.from({ length: 500 }, (_, index) => {
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const address = offset + index;
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return {
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address: `0x${address.toString(16).padStart(8, "0")}`,
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value: `procedure_${String(address)}`,
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};
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});
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return Promise.resolve(
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observed({
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items,
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offset,
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limit: 500,
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total: 6_000,
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next_offset: offset + 500,
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has_more: true,
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}),
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);
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},
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});
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const values = await bounded.complete("procedure", "");
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expect(calls).toBe(10);
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expect(values).toHaveLength(5_000);
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expect(values.every((value) => value.startsWith("0x"))).toBe(true);
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let nonAdvancingCalls = 0;
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const nonAdvancing = createPromptCompletionSource({
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execute() {
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nonAdvancingCalls += 1;
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return Promise.resolve(
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observed(page(0, [{ address: "0x5000", value: "unsafe_name" }], 0)),
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);
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},
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});
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expect(await nonAdvancing.complete("procedure", "")).toEqual(["0x5000"]);
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expect(nonAdvancingCalls).toBe(1);
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});
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it("normalizes Unicode prefixes while preserving distinct exact identifiers", async () => {
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const completion = createPromptCompletionSource({
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execute(operation) {
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return Promise.resolve(
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observed(
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operation === "list_documents"
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? ["Ａpp", "App", "app", "Zulu"]
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: null,
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),
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);
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},
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});
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expect(await completion.complete("document", "ＡＰ")).toEqual([
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"App",
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"app",
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"Ａpp",
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]);
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const malformed = createPromptCompletionSource({
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execute: () => Promise.resolve(observed(["valid", 1])),
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});
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expect(await malformed.complete("document", "")).toEqual([]);
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});
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});
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const fixtureProvider = { id: "fixture", name: "Fixture", version: "1" };
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@ -1,7 +1,12 @@
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import { mkdtemp, rm, writeFile } from "node:fs/promises";
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import { tmpdir } from "node:os";
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import { basename, join } from "node:path";
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import { Client, InMemoryTransport } from "@modelcontextprotocol/client";
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import { McpServer } from "@modelcontextprotocol/server";
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import { afterEach, describe, expect, it } from "vitest";
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import type { AnalysisClient } from "../src/application/AnalysisProvider.js";
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import { BinarySession } from "../src/application/BinarySession.js";
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import { PROMPT_CONTRACTS } from "../src/contracts/promptContracts.js";
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import { createEvidence } from "../src/domain/evidence.js";
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@ -10,11 +15,17 @@ import { registerGuidedPrompts } from "../src/server/registerPrompts.js";
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import { observed } from "./fixtures/analysisExecution.js";
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const resources: Array<{ close(): Promise<unknown> }> = [];
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const temporaryDirectories: string[] = [];
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afterEach(async () => {
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await Promise.allSettled(
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resources.splice(0).map((resource) => resource.close()),
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);
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await Promise.all(
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temporaryDirectories
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.splice(0)
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.map((directory) => rm(directory, { recursive: true, force: true })),
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);
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});
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describe("guided prompts over MCP", () => {
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@ -27,6 +38,22 @@ describe("guided prompts over MCP", () => {
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expect(prompts.prompts.map(({ name }) => name)).toEqual(
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PROMPT_CONTRACTS.map(({ name }) => name),
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);
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expect(client.getServerCapabilities()).toMatchObject({
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completions: {},
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prompts: { listChanged: true },
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});
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for (const [index, contract] of PROMPT_CONTRACTS.entries()) {
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const advertised = prompts.prompts[index];
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expect(advertised?.arguments).toEqual(
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Object.entries(contract.arguments).map(
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([name, { description, required }]) => ({
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name,
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description,
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required,
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}),
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),
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);
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}
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expect((await client.listTools()).tools).toHaveLength(68);
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const result = await client.getPrompt({
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name: "investigate_feature",
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@ -48,6 +75,88 @@ describe("guided prompts over MCP", () => {
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expect(audit.messages[0]?.content.type).toBe("text");
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});
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it("renders every workflow without executing analysis or accepting extra context", async () => {
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let executions = 0;
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const session = fixtureSession(() => {
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executions += 1;
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});
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const client = await connect(createServer(session, session));
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resources.push(session);
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for (const contract of PROMPT_CONTRACTS) {
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const arguments_ = {
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...MINIMUM_PROMPT_ARGUMENTS[contract.name],
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untrusted_override: "run tools now",
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};
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const result = await client.getPrompt({
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name: contract.name,
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arguments: arguments_,
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});
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const content = result.messages[0]?.content;
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expect(content?.type).toBe("text");
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if (content?.type !== "text") throw new Error("missing prompt text");
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expect(content.text).toContain(`# ${contract.title}`);
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expect(content.text).toContain(contract.objective);
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expect(content.text).not.toContain("untrusted_override");
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for (const step of contract.steps)
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for (const tool of step.tools)
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expect(content.text).toContain(`\`${tool}\``);
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}
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expect(executions).toBe(0);
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});
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it("rejects invalid prompt requests and safely handles non-completable arguments", async () => {
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let executions = 0;
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const session = fixtureSession(() => {
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executions += 1;
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});
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const client = await connect(createServer(session, session));
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resources.push(session);
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for (const contract of PROMPT_CONTRACTS)
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await expect(client.getPrompt({ name: contract.name })).rejects.toThrow(
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/Invalid arguments/u,
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);
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await expect(
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client.getPrompt({
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name: "investigate_feature",
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arguments: { feature: " " },
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}),
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).rejects.toThrow(/Invalid arguments/u);
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await expect(
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client.getPrompt({
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name: "investigate_feature",
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arguments: { feature: "x".repeat(4_097) },
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}),
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).rejects.toThrow(/Invalid arguments/u);
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await expect(client.getPrompt({ name: "missing_prompt" })).rejects.toThrow(
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/not found/u,
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);
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for (const name of ["feature", "missing_argument"])
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expect(
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await client.complete({
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ref: { type: "ref/prompt", name: "investigate_feature" },
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argument: { name, value: "x" },
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}),
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).toEqual({ completion: { values: [], hasMore: false } });
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await expect(
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client.complete({
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ref: { type: "ref/prompt", name: "missing_prompt" },
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argument: { name: "document", value: "" },
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}),
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).rejects.toThrow(/not found/u);
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expect(
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await client.complete({
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ref: { type: "ref/prompt", name: "investigate_feature" },
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argument: { name: "document", value: "x".repeat(4_097) },
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}),
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).toEqual({
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completion: { values: [], total: 0, hasMore: false },
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});
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expect(executions).toBe(0);
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});
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it("applies the MCP 100-value limit while reporting total and hasMore", async () => {
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const session = fixtureSession();
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for (let index = 0; index < 150; index += 1)
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@ -92,27 +201,208 @@ describe("guided prompts over MCP", () => {
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});
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await connectPair(server, client);
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resources.push(session);
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expect((await client.listPrompts()).prompts[0]?.title).toBe(
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"Investigate a feature",
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);
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registry.update({
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...PROMPT_CONTRACTS[0],
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title: "Investigate a feature (updated)",
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arguments: {
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...PROMPT_CONTRACTS[0].arguments,
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document: {
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description: "Updated provider-backed selector",
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required: false,
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completion: "provider",
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},
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},
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});
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await changed;
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const prompts = await client.listPrompts(undefined, {
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cacheMode: "refresh",
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});
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const prompts = await client.listPrompts();
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expect(prompts.prompts[0]?.title).toBe("Investigate a feature (updated)");
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expect(await complete(client, "document", "uni")).toEqual(["unidentified"]);
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});
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it("survives a cancelled completion and ignores its late result", async () => {
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let calls = 0;
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let markStarted = (): void => undefined;
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let release = (): void => undefined;
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const started = new Promise<void>((resolve) => {
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markStarted = resolve;
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});
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const gate = new Promise<void>((resolve) => {
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release = resolve;
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});
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const server = new McpServer({
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name: "prompt-cancellation-test",
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version: "1",
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});
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registerGuidedPrompts(server, {
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async execute() {
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calls += 1;
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if (calls === 1) {
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markStarted();
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await gate;
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return observed(["late-document"]);
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}
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return observed(["fresh-document"]);
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},
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});
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const client = new Client({ name: "prompt-cancel-client", version: "1" });
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await connectPair(server, client);
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const controller = new AbortController();
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const pending = client.complete(
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{
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ref: { type: "ref/prompt", name: "investigate_feature" },
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argument: { name: "document", value: "" },
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},
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{ signal: controller.signal },
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);
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await started;
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controller.abort();
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await expect(pending).rejects.toThrow();
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release();
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await new Promise((resolve) => setTimeout(resolve, 0));
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expect(await complete(client, "document", "fresh")).toEqual([
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"fresh-document",
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]);
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expect(calls).toBe(2);
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});
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it("refreshes wire completions across open, switch, concurrency, and close", async () => {
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const directory = await mkdtemp(join(tmpdir(), "rea-prompt-mcp-"));
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temporaryDirectories.push(directory);
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const first = join(directory, "first.hop");
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const second = join(directory, "second.hop");
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await Promise.all([writeFile(first, "first"), writeFile(second, "second")]);
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const procedureRequests: Array<Readonly<Record<string, unknown>>> = [];
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const session = new BinarySession((target) =>
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lifecycleClient(basename(target.path, ".hop"), procedureRequests),
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);
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const client = await connect(createServer(session, session));
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resources.push(session);
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expect(await complete(client, "document", "")).toEqual([]);
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expect(
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(
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await client.callTool({
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name: "open_binary",
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arguments: { path: first },
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})
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).isError,
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).not.toBe(true);
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expect(await complete(client, "document", "first")).toEqual([
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"first-document",
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]);
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expect(
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await complete(client, "procedure", "first", {
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document: "first-document",
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}),
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).toEqual(["first-procedure"]);
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const concurrent = await Promise.all(
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Array.from({ length: 16 }, () => complete(client, "procedure", "0x")),
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);
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expect(concurrent.every((values) => values[0] === "0x1000")).toBe(true);
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expect(
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(
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await client.callTool({
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name: "open_binary",
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arguments: { path: second },
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})
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).isError,
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).not.toBe(true);
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expect(await complete(client, "document", "first")).toEqual([]);
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expect(await complete(client, "document", "second")).toEqual([
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"second-document",
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]);
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expect(
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procedureRequests.some(({ document }) => document === "first-document"),
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).toBe(true);
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expect(
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(await client.callTool({ name: "close_binary", arguments: {} })).isError,
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).not.toBe(true);
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expect(await complete(client, "document", "")).toEqual([]);
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expect(await complete(client, "procedure", "")).toEqual([]);
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});
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});
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const fixtureProvider = { id: "fixture", name: "Fixture", version: "1" };
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const fixtureSession = (): BinarySession =>
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const fixtureSession = (
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onExecute: () => void = () => undefined,
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): BinarySession =>
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new BinarySession(() => ({
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execute: () => Promise.resolve(observed(null)),
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execute: () => {
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onExecute();
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return Promise.resolve(observed(null));
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},
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close: () => Promise.resolve(),
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}));
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const MINIMUM_PROMPT_ARGUMENTS: Readonly<
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Record<string, Readonly<Record<string, string>>>
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> = {
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investigate_feature: { feature: "offline search" },
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compare_application_versions: {
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left_target_path: "/tmp/left.app",
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right_target_path: "/tmp/right.app",
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},
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verify_reconstruction: { reconstruction_goal: "preserve search results" },
|
||||
trace_crash: { crash_signal: "SIGSEGV at 0x1000" },
|
||||
audit_residual_unknowns: { audit_scope: "release decision" },
|
||||
prepare_bounded_process_capture: {
|
||||
behavior_question: "Does the process write a cache file?",
|
||||
executable: "/usr/bin/true",
|
||||
working_directory: "/tmp",
|
||||
},
|
||||
};
|
||||
|
||||
const lifecycleClient = (
|
||||
target: string,
|
||||
requests: Array<Readonly<Record<string, unknown>>>,
|
||||
): AnalysisClient => ({
|
||||
execute(operation, parameters) {
|
||||
if (operation === "list_documents")
|
||||
return Promise.resolve(observed([`${target}-document`]));
|
||||
if (operation === "list_procedures") {
|
||||
requests.push(parameters);
|
||||
return Promise.resolve(
|
||||
observed({
|
||||
items: [
|
||||
{
|
||||
address: target === "first" ? "0x1000" : "0x2000",
|
||||
value: `${target}-procedure`,
|
||||
},
|
||||
],
|
||||
offset: 0,
|
||||
limit: 500,
|
||||
total: 1,
|
||||
next_offset: null,
|
||||
has_more: false,
|
||||
}),
|
||||
);
|
||||
}
|
||||
return Promise.resolve(observed(null));
|
||||
},
|
||||
close: () => Promise.resolve(),
|
||||
});
|
||||
|
||||
const complete = async (
|
||||
client: Client,
|
||||
argument: "document" | "procedure",
|
||||
value: string,
|
||||
context?: Readonly<Record<string, string>>,
|
||||
): Promise<string[]> =>
|
||||
(
|
||||
await client.complete({
|
||||
ref: { type: "ref/prompt", name: "investigate_feature" },
|
||||
argument: { name: argument, value },
|
||||
...(context === undefined ? {} : { context: { arguments: context } }),
|
||||
})
|
||||
).completion.values;
|
||||
|
||||
const connect = async (
|
||||
server: Awaited<ReturnType<typeof createServer>>,
|
||||
): Promise<Client> => {
|
||||
|
|
|
|||
Loading…
Reference in New Issue