127 lines
3.5 KiB
TypeScript
127 lines
3.5 KiB
TypeScript
import { describe, expect, it, vi } from "vitest";
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import { subscribeEmbeddedPiSession } from "./pi-embedded-subscribe.js";
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type StubSession = {
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subscribe: (fn: (evt: unknown) => void) => () => void;
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};
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type SessionEventHandler = (evt: unknown) => void;
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describe("subscribeEmbeddedPiSession", () => {
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const _THINKING_TAG_CASES = [
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{ tag: "think", open: "<think>", close: "</think>" },
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{ tag: "thinking", open: "<thinking>", close: "</thinking>" },
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{ tag: "thought", open: "<thought>", close: "</thought>" },
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{ tag: "antthinking", open: "<antthinking>", close: "</antthinking>" },
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] as const;
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it("calls onBlockReplyFlush before tool_execution_start to preserve message boundaries", () => {
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let handler: SessionEventHandler | undefined;
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const session: StubSession = {
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subscribe: (fn) => {
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handler = fn;
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return () => {};
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},
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};
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const onBlockReplyFlush = vi.fn();
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const onBlockReply = vi.fn();
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subscribeEmbeddedPiSession({
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session: session as unknown as Parameters<typeof subscribeEmbeddedPiSession>[0]["session"],
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runId: "run-flush-test",
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onBlockReply,
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onBlockReplyFlush,
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blockReplyBreak: "text_end",
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});
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// Simulate text arriving before tool
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handler?.({
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type: "message_start",
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message: { role: "assistant" },
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});
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handler?.({
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type: "message_update",
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message: { role: "assistant" },
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assistantMessageEvent: {
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type: "text_delta",
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delta: "First message before tool.",
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},
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});
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expect(onBlockReplyFlush).not.toHaveBeenCalled();
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// Tool execution starts - should trigger flush
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handler?.({
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type: "tool_execution_start",
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toolName: "bash",
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toolCallId: "tool-flush-1",
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args: { command: "echo hello" },
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});
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expect(onBlockReplyFlush).toHaveBeenCalledTimes(1);
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// Another tool - should flush again
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handler?.({
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type: "tool_execution_start",
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toolName: "read",
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toolCallId: "tool-flush-2",
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args: { path: "/tmp/test.txt" },
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});
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expect(onBlockReplyFlush).toHaveBeenCalledTimes(2);
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});
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it("flushes buffered block chunks before tool execution", () => {
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let handler: SessionEventHandler | undefined;
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const session: StubSession = {
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subscribe: (fn) => {
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handler = fn;
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return () => {};
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},
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};
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const onBlockReply = vi.fn();
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const onBlockReplyFlush = vi.fn();
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subscribeEmbeddedPiSession({
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session: session as unknown as Parameters<typeof subscribeEmbeddedPiSession>[0]["session"],
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runId: "run-flush-buffer",
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onBlockReply,
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onBlockReplyFlush,
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blockReplyBreak: "text_end",
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blockReplyChunking: { minChars: 50, maxChars: 200 },
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});
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handler?.({
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type: "message_start",
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message: { role: "assistant" },
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});
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handler?.({
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type: "message_update",
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message: { role: "assistant" },
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assistantMessageEvent: {
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type: "text_delta",
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delta: "Short chunk.",
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},
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});
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expect(onBlockReply).not.toHaveBeenCalled();
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handler?.({
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type: "tool_execution_start",
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toolName: "bash",
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toolCallId: "tool-flush-buffer-1",
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args: { command: "echo flush" },
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});
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expect(onBlockReply).toHaveBeenCalledTimes(1);
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expect(onBlockReply.mock.calls[0]?.[0]?.text).toBe("Short chunk.");
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expect(onBlockReplyFlush).toHaveBeenCalledTimes(1);
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expect(onBlockReply.mock.invocationCallOrder[0]).toBeLessThan(
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onBlockReplyFlush.mock.invocationCallOrder[0],
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);
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});
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});
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