Files
pi-map/tests/llm-extract.test.ts
T
alex d311c8fb3c Implement all stubs: parsePackageMap, LLM heuristics, tree-sitter AST, patch rewrite, reinit
- format.ts: Full parsePackageMap implementation with round-trip support
- llm-extract.ts: Heuristic-based extraction without LLM API (regex exports,
  imports, purpose inference from filename patterns)
- ast-extract.ts: Tree-sitter integration for TypeScript/TSX with fallback
  for other languages
- init.ts: Refactored to expose generateDirectoryMap helper, reinitPath
  delegates to initProject
- patch.ts: Small packages now use generateDirectoryMap for full rewrite
- discover.ts: Cleaned up require('fs') to use proper ES import
- Tests: 8 tests covering format round-trip and LLM heuristics
- All TypeScript compiles clean, all tests pass
2026-06-09 18:04:57 +02:00

64 lines
2.0 KiB
TypeScript

import { describe, it, expect } from "vitest";
import { extractFileLLM } from "../src/llm-extract.js";
import { writeFileSync, mkdtempSync } from "fs";
import { join } from "path";
import { tmpdir } from "os";
describe("llm-extract heuristics", () => {
it("extracts TypeScript exports", async () => {
const dir = mkdtempSync(join(tmpdir(), "pi-map-"));
const file = join(dir, "test.ts");
writeFileSync(
file,
`export function foo() {}
export class Bar {}
export const baz = 1;
export type Qux = string;
export { a, b as c };
`,
);
const result = await extractFileLLM(file);
expect(result.exports).toContain("foo");
expect(result.exports).toContain("Bar");
expect(result.exports).toContain("baz");
expect(result.exports).toContain("Qux");
expect(result.exports).toContain("a");
expect(result.exports).toContain("b");
});
it("extracts TypeScript imports", async () => {
const dir = mkdtempSync(join(tmpdir(), "pi-map-"));
const file = join(dir, "test.ts");
writeFileSync(
file,
`import { foo } from "./bar";
import * as baz from "baz-lib";
import type { Qux } from "qux";
const x = require("legacy");
`,
);
const result = await extractFileLLM(file);
expect(result.deps).toContain("./bar");
expect(result.deps).toContain("baz-lib");
expect(result.deps).toContain("qux");
expect(result.deps).toContain("legacy");
});
it("infers purpose from filename patterns", async () => {
const dir = mkdtempSync(join(tmpdir(), "pi-map-"));
const file = join(dir, "userController.ts");
writeFileSync(file, `export class UserController {}`);
const result = await extractFileLLM(file);
expect(result.purpose).toMatch(/Controller|Exports/);
});
it("handles non-code files", async () => {
const dir = mkdtempSync(join(tmpdir(), "pi-map-"));
const file = join(dir, "Dockerfile");
writeFileSync(file, `FROM node:20\nWORKDIR /app`);
const result = await extractFileLLM(file);
expect(result.purpose).toBe("Container definition");
expect(result.exports).toEqual([]);
});
});