mirror of
https://github.com/luckyyzh/pi-agent-integrated.git
synced 2026-10-03 02:59:35 +00:00
feat: integrate Pi backend and Pi Web
This commit is contained in:
luckyyzh
@@ -0,0 +1,416 @@
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import { createModelRegistry, getModelRuntime } from "./model-runtime-test-utils.ts";
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/**
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* Tests for compaction extension events (before_compact / compact).
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*/
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import { existsSync, mkdirSync, rmSync } from "node:fs";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import { Agent } from "@earendil-works/pi-agent-core";
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import { getModel, streamSimple } from "@earendil-works/pi-ai/compat";
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import { afterEach, beforeEach, describe, expect, it } from "vitest";
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import { AgentSession } from "../src/core/agent-session.ts";
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import { AuthStorage } from "../src/core/auth-storage.ts";
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import {
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createExtensionRuntime,
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type Extension,
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type SessionBeforeCompactEvent,
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type SessionCompactEvent,
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type SessionEvent,
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} from "../src/core/extensions/index.ts";
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import { SessionManager } from "../src/core/session-manager.ts";
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import { SettingsManager } from "../src/core/settings-manager.ts";
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import { createSyntheticSourceInfo } from "../src/core/source-info.ts";
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import { createCodingTools } from "../src/index.ts";
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import { createTestResourceLoader } from "./utilities.ts";
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const API_KEY = process.env.ANTHROPIC_OAUTH_TOKEN || process.env.ANTHROPIC_API_KEY;
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describe.skipIf(!API_KEY)("Compaction extensions", () => {
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let session: AgentSession;
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let tempDir: string;
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let capturedEvents: SessionEvent[];
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beforeEach(async () => {
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tempDir = join(tmpdir(), `pi-compaction-extensions-test-${Date.now()}`);
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mkdirSync(tempDir, { recursive: true });
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capturedEvents = [];
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});
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afterEach(async () => {
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if (session) {
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session.dispose();
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}
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if (tempDir && existsSync(tempDir)) {
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rmSync(tempDir, { recursive: true });
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}
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});
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function createExtension(
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onBeforeCompact?: (event: SessionBeforeCompactEvent) => { cancel?: boolean; compaction?: any } | undefined,
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onCompact?: (event: SessionCompactEvent) => void,
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): Extension {
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const handlers = new Map<string, ((event: any, ctx: any) => Promise<any>)[]>();
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handlers.set("session_before_compact", [
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async (event: SessionBeforeCompactEvent) => {
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capturedEvents.push(event);
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if (onBeforeCompact) {
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return onBeforeCompact(event);
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}
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return undefined;
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},
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]);
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handlers.set("session_compact", [
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async (event: SessionCompactEvent) => {
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capturedEvents.push(event);
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if (onCompact) {
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onCompact(event);
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}
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return undefined;
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},
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]);
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return {
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path: "test-extension",
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resolvedPath: "/test/test-extension.ts",
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sourceInfo: createSyntheticSourceInfo("<test:test-extension>", { source: "test" }),
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handlers,
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tools: new Map(),
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messageRenderers: new Map(),
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commands: new Map(),
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flags: new Map(),
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shortcuts: new Map(),
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};
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}
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async function createSession(extensions: Extension[]) {
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const model = getModel("anthropic", "claude-sonnet-4-5")!;
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const agent = new Agent({
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getApiKey: () => API_KEY,
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streamFn: streamSimple,
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initialState: {
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model,
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systemPrompt: "You are a helpful assistant. Be concise.",
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tools: createCodingTools(process.cwd()),
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},
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});
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const sessionManager = SessionManager.create(tempDir);
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const settingsManager = SettingsManager.create(tempDir, tempDir);
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settingsManager.applyOverrides({ compaction: { keepRecentTokens: 1 } });
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const authStorage = AuthStorage.create(join(tempDir, "auth.json"));
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const modelRegistry = await createModelRegistry(authStorage);
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const runtime = createExtensionRuntime();
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const resourceLoader = {
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...createTestResourceLoader(),
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getExtensions: () => ({ extensions, errors: [], runtime }),
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};
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session = new AgentSession({
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agent,
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sessionManager,
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settingsManager,
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cwd: tempDir,
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modelRuntime: getModelRuntime(modelRegistry),
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resourceLoader,
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});
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return session;
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}
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it("should emit before_compact and compact events", async () => {
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const extension = createExtension();
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await createSession([extension]);
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await session.prompt("What is 2+2? Reply with just the number.");
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await session.agent.waitForIdle();
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await session.prompt("What is 3+3? Reply with just the number.");
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await session.agent.waitForIdle();
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await session.compact();
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const beforeCompactEvents = capturedEvents.filter(
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(e): e is SessionBeforeCompactEvent => e.type === "session_before_compact",
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);
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const compactEvents = capturedEvents.filter((e): e is SessionCompactEvent => e.type === "session_compact");
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expect(beforeCompactEvents.length).toBe(1);
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expect(compactEvents.length).toBe(1);
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const beforeEvent = beforeCompactEvents[0];
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expect(beforeEvent.preparation).toBeDefined();
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expect(beforeEvent.preparation.messagesToSummarize).toBeDefined();
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expect(beforeEvent.preparation.turnPrefixMessages).toBeDefined();
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expect(beforeEvent.preparation.tokensBefore).toBeGreaterThanOrEqual(0);
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expect(typeof beforeEvent.preparation.isSplitTurn).toBe("boolean");
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expect(beforeEvent.branchEntries).toBeDefined();
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// sessionManager, modelRegistry, and model are now on ctx, not event
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const afterEvent = compactEvents[0];
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expect(afterEvent.compactionEntry).toBeDefined();
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expect(afterEvent.compactionEntry.summary.length).toBeGreaterThan(0);
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expect(afterEvent.compactionEntry.tokensBefore).toBeGreaterThanOrEqual(0);
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expect(afterEvent.fromExtension).toBe(false);
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}, 120000);
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it("should allow extensions to cancel compaction", async () => {
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const extension = createExtension(() => ({ cancel: true }));
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await createSession([extension]);
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await session.prompt("What is 2+2? Reply with just the number.");
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await session.agent.waitForIdle();
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await expect(session.compact()).rejects.toThrow("Compaction cancelled");
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const compactEvents = capturedEvents.filter((e) => e.type === "session_compact");
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expect(compactEvents.length).toBe(0);
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}, 120000);
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it("should allow extensions to provide custom compaction", async () => {
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const customSummary = "Custom summary from extension";
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const extension = createExtension((event) => {
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if (event.type === "session_before_compact") {
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return {
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compaction: {
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summary: customSummary,
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firstKeptEntryId: event.preparation.firstKeptEntryId,
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tokensBefore: event.preparation.tokensBefore,
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},
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};
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}
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return undefined;
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});
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await createSession([extension]);
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await session.prompt("What is 2+2? Reply with just the number.");
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await session.agent.waitForIdle();
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await session.prompt("What is 3+3? Reply with just the number.");
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await session.agent.waitForIdle();
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const result = await session.compact();
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expect(result.summary).toBe(customSummary);
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const compactEvents = capturedEvents.filter((e) => e.type === "session_compact");
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expect(compactEvents.length).toBe(1);
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const afterEvent = compactEvents[0];
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if (afterEvent.type === "session_compact") {
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expect(afterEvent.compactionEntry.summary).toBe(customSummary);
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expect(afterEvent.fromExtension).toBe(true);
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}
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}, 120000);
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it("should include entries in compact event after compaction is saved", async () => {
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const extension = createExtension();
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await createSession([extension]);
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await session.prompt("What is 2+2? Reply with just the number.");
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await session.agent.waitForIdle();
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await session.compact();
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const compactEvents = capturedEvents.filter((e) => e.type === "session_compact");
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expect(compactEvents.length).toBe(1);
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const afterEvent = compactEvents[0];
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if (afterEvent.type === "session_compact") {
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// sessionManager is now on ctx, use session.sessionManager directly
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const entries = session.sessionManager.getEntries();
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const hasCompactionEntry = entries.some((e: { type: string }) => e.type === "compaction");
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expect(hasCompactionEntry).toBe(true);
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}
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}, 120000);
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it("should continue with default compaction if extension throws error", async () => {
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const throwingExtension: Extension = {
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path: "throwing-extension",
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resolvedPath: "/test/throwing-extension.ts",
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sourceInfo: createSyntheticSourceInfo("<test:throwing-extension>", { source: "test" }),
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handlers: new Map<string, ((event: any, ctx: any) => Promise<any>)[]>([
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[
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"session_before_compact",
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[
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async (event: SessionBeforeCompactEvent) => {
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capturedEvents.push(event);
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throw new Error("Extension intentionally throws");
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},
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],
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],
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[
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"session_compact",
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[
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async (event: SessionCompactEvent) => {
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capturedEvents.push(event);
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return undefined;
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},
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],
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],
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]),
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tools: new Map(),
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messageRenderers: new Map(),
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commands: new Map(),
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flags: new Map(),
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shortcuts: new Map(),
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};
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await createSession([throwingExtension]);
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await session.prompt("What is 2+2? Reply with just the number.");
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await session.agent.waitForIdle();
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const result = await session.compact();
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expect(result.summary).toBeDefined();
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expect(result.summary.length).toBeGreaterThan(0);
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const compactEvents = capturedEvents.filter((e): e is SessionCompactEvent => e.type === "session_compact");
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expect(compactEvents.length).toBe(1);
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expect(compactEvents[0].fromExtension).toBe(false);
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}, 120000);
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it("should call multiple extensions in order", async () => {
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const callOrder: string[] = [];
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const extension1: Extension = {
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path: "extension1",
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resolvedPath: "/test/extension1.ts",
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sourceInfo: createSyntheticSourceInfo("<test:extension1>", { source: "test" }),
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handlers: new Map<string, ((event: any, ctx: any) => Promise<any>)[]>([
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[
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"session_before_compact",
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[
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async () => {
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callOrder.push("extension1-before");
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return undefined;
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},
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],
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],
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[
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"session_compact",
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[
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async () => {
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callOrder.push("extension1-after");
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return undefined;
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},
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],
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],
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]),
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tools: new Map(),
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messageRenderers: new Map(),
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commands: new Map(),
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flags: new Map(),
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shortcuts: new Map(),
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};
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const extension2: Extension = {
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path: "extension2",
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resolvedPath: "/test/extension2.ts",
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sourceInfo: createSyntheticSourceInfo("<test:extension2>", { source: "test" }),
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handlers: new Map<string, ((event: any, ctx: any) => Promise<any>)[]>([
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[
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"session_before_compact",
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[
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async () => {
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callOrder.push("extension2-before");
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return undefined;
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},
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],
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],
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[
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"session_compact",
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[
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async () => {
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callOrder.push("extension2-after");
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return undefined;
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},
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],
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],
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]),
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tools: new Map(),
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messageRenderers: new Map(),
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commands: new Map(),
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flags: new Map(),
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shortcuts: new Map(),
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};
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await createSession([extension1, extension2]);
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await session.prompt("What is 2+2? Reply with just the number.");
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await session.agent.waitForIdle();
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await session.compact();
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expect(callOrder).toEqual(["extension1-before", "extension2-before", "extension1-after", "extension2-after"]);
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}, 120000);
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it("should pass correct data in before_compact event", async () => {
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let capturedBeforeEvent: SessionBeforeCompactEvent | null = null;
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const extension = createExtension((event) => {
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capturedBeforeEvent = event;
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return undefined;
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});
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await createSession([extension]);
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await session.prompt("What is 2+2? Reply with just the number.");
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await session.agent.waitForIdle();
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await session.prompt("What is 3+3? Reply with just the number.");
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await session.agent.waitForIdle();
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await session.compact();
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expect(capturedBeforeEvent).not.toBeNull();
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const event = capturedBeforeEvent!;
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expect(typeof event.preparation.isSplitTurn).toBe("boolean");
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expect(event.preparation.firstKeptEntryId).toBeDefined();
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expect(Array.isArray(event.preparation.messagesToSummarize)).toBe(true);
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expect(Array.isArray(event.preparation.turnPrefixMessages)).toBe(true);
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expect(typeof event.preparation.tokensBefore).toBe("number");
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expect(Array.isArray(event.branchEntries)).toBe(true);
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// sessionManager and model runtime remain available on the session.
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expect(typeof session.sessionManager.getEntries).toBe("function");
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expect(typeof session.modelRuntime.getAuth).toBe("function");
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const entries = session.sessionManager.getEntries();
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expect(Array.isArray(entries)).toBe(true);
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expect(entries.length).toBeGreaterThan(0);
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}, 120000);
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it("should use extension compaction even with different values", async () => {
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const customSummary = "Custom summary with modified values";
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const extension = createExtension((event) => {
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if (event.type === "session_before_compact") {
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return {
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compaction: {
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summary: customSummary,
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firstKeptEntryId: event.preparation.firstKeptEntryId,
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tokensBefore: 999,
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},
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};
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}
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return undefined;
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});
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await createSession([extension]);
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await session.prompt("What is 2+2? Reply with just the number.");
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await session.agent.waitForIdle();
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const result = await session.compact();
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expect(result.summary).toBe(customSummary);
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expect(result.tokensBefore).toBe(999);
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}, 120000);
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});
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