110 lines
3.2 KiB
TypeScript
110 lines
3.2 KiB
TypeScript
import type { AssistantMessage } from "@mariozechner/pi-ai";
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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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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("streams soft chunks with paragraph preference", () => {
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let handler: ((evt: unknown) => void) | 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 subscription = subscribeEmbeddedPiSession({
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session: session as unknown as Parameters<typeof subscribeEmbeddedPiSession>[0]["session"],
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runId: "run",
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onBlockReply,
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blockReplyBreak: "message_end",
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blockReplyChunking: {
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minChars: 5,
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maxChars: 25,
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breakPreference: "paragraph",
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},
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});
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const text = "First block line\n\nSecond block line";
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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: text,
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},
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});
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const assistantMessage = {
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role: "assistant",
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content: [{ type: "text", text }],
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} as AssistantMessage;
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handler?.({ type: "message_end", message: assistantMessage });
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expect(onBlockReply).toHaveBeenCalledTimes(2);
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expect(onBlockReply.mock.calls[0][0].text).toBe("First block line");
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expect(onBlockReply.mock.calls[1][0].text).toBe("Second block line");
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expect(subscription.assistantTexts).toEqual(["First block line", "Second block line"]);
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});
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it("avoids splitting inside fenced code blocks", () => {
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let handler: ((evt: unknown) => void) | 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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subscribeEmbeddedPiSession({
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session: session as unknown as Parameters<typeof subscribeEmbeddedPiSession>[0]["session"],
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runId: "run",
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onBlockReply,
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blockReplyBreak: "message_end",
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blockReplyChunking: {
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minChars: 5,
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maxChars: 25,
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breakPreference: "paragraph",
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},
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});
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const text = "Intro\n\n```bash\nline1\nline2\n```\n\nOutro";
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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: text,
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},
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});
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const assistantMessage = {
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role: "assistant",
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content: [{ type: "text", text }],
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} as AssistantMessage;
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handler?.({ type: "message_end", message: assistantMessage });
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expect(onBlockReply).toHaveBeenCalledTimes(3);
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expect(onBlockReply.mock.calls[0][0].text).toBe("Intro");
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expect(onBlockReply.mock.calls[1][0].text).toBe("```bash\nline1\nline2\n```");
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expect(onBlockReply.mock.calls[2][0].text).toBe("Outro");
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});
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});
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