86 lines
2.5 KiB
TypeScript
86 lines
2.5 KiB
TypeScript
import type { AssistantMessage } from "@mariozechner/pi-ai";
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import { describe, expect, it } from "vitest";
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import {
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buildBootstrapContextFiles,
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formatAssistantErrorText,
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isContextOverflowError,
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} from "./pi-embedded-helpers.js";
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import {
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DEFAULT_AGENTS_FILENAME,
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type WorkspaceBootstrapFile,
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} from "./workspace.js";
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const makeFile = (
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overrides: Partial<WorkspaceBootstrapFile>,
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): WorkspaceBootstrapFile => ({
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name: DEFAULT_AGENTS_FILENAME,
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path: "/tmp/AGENTS.md",
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content: "",
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missing: false,
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...overrides,
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});
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describe("buildBootstrapContextFiles", () => {
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it("keeps missing markers", () => {
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const files = [makeFile({ missing: true, content: undefined })];
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expect(buildBootstrapContextFiles(files)).toEqual([
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{
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path: DEFAULT_AGENTS_FILENAME,
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content: "[MISSING] Expected at: /tmp/AGENTS.md",
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},
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]);
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});
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it("skips empty or whitespace-only content", () => {
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const files = [makeFile({ content: " \n " })];
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expect(buildBootstrapContextFiles(files)).toEqual([]);
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});
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it("truncates large bootstrap content", () => {
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const head = `HEAD-${"a".repeat(6000)}`;
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const tail = `${"b".repeat(3000)}-TAIL`;
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const long = `${head}${tail}`;
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const files = [makeFile({ content: long })];
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const [result] = buildBootstrapContextFiles(files);
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expect(result?.content).toContain(
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"[...truncated, read AGENTS.md for full content...]",
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);
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expect(result?.content.length).toBeLessThan(long.length);
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expect(result?.content.startsWith(long.slice(0, 120))).toBe(true);
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expect(result?.content.endsWith(long.slice(-120))).toBe(true);
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});
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});
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describe("isContextOverflowError", () => {
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it("matches known overflow hints", () => {
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const samples = [
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"request_too_large",
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"Request exceeds the maximum size",
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"context length exceeded",
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"Maximum context length",
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"413 Request Entity Too Large",
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];
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for (const sample of samples) {
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expect(isContextOverflowError(sample)).toBe(true);
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}
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});
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it("ignores unrelated errors", () => {
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expect(isContextOverflowError("rate limit exceeded")).toBe(false);
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});
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});
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describe("formatAssistantErrorText", () => {
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const makeAssistantError = (errorMessage: string): AssistantMessage =>
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({
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stopReason: "error",
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errorMessage,
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}) as AssistantMessage;
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it("returns a friendly message for context overflow", () => {
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const msg = makeAssistantError("request_too_large");
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expect(formatAssistantErrorText(msg)).toContain("Context overflow");
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});
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});
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