368 lines
14 KiB
TypeScript
368 lines
14 KiB
TypeScript
import assert from "node:assert/strict";
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import { spawn } from "node:child_process";
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import { mkdtemp, mkdir, readFile, rm, writeFile } from "node:fs/promises";
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import { createServer } from "node:http";
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import { tmpdir } from "node:os";
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import { dirname, join } from "node:path";
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import { fileURLToPath } from "node:url";
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import test from "node:test";
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import {
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createLocalAiModelsExtension,
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discoverLocalAiModels,
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mapLocalAiModels,
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resolveConfigValue,
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} from "./index.ts";
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function response(data: unknown, status = 200) {
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return new Response(JSON.stringify(data), {
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status,
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headers: { "content-type": "application/json" },
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});
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}
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async function configFile() {
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const root = await mkdtemp(join(tmpdir(), "localai-models-"));
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const path = join(root, "models.json");
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await writeFile(path, JSON.stringify({
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providers: {
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localai: {
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baseUrl: "http://local.invalid/v1",
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apiKey: "local-test",
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compat: {
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supportsDeveloperRole: false,
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supportsReasoningEffort: false,
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maxTokensField: "max_tokens",
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},
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},
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},
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}));
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return { root, path };
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}
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function abortAwareFetch(): typeof fetch {
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return async (_url, init) => new Promise<Response>((_resolve, reject) => {
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const signal = init?.signal;
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const abort = () => reject(signal?.reason ?? new DOMException("Aborted", "AbortError"));
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if (signal?.aborted) abort();
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else signal?.addEventListener("abort", abort, { once: true });
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});
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}
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async function runPiCatalog(agentDir: string) {
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const sessionDir = join(agentDir, "sessions");
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await mkdir(sessionDir, { recursive: true });
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const child = spawn("pi", ["--mode", "rpc", "--session-dir", sessionDir], {
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cwd: agentDir,
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detached: true,
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env: { ...process.env, PI_CODING_AGENT_DIR: agentDir },
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stdio: ["pipe", "pipe", "pipe"],
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});
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try {
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return await new Promise<any[]>((resolve, reject) => {
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let buffer = "";
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const timeout = setTimeout(() => reject(new Error("Pi RPC catalog probe timed out")), 15_000);
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child.stdout.setEncoding("utf8");
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child.stdout.on("data", (chunk: string) => {
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buffer += chunk;
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while (buffer.includes("\n")) {
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const newline = buffer.indexOf("\n");
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const line = buffer.slice(0, newline);
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buffer = buffer.slice(newline + 1);
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if (!line.trim()) continue;
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const frame = JSON.parse(line);
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if (frame.type === "response" && frame.id === "catalog-test") {
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clearTimeout(timeout);
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if (!frame.success) reject(new Error(frame.error ?? "Pi RPC catalog probe failed"));
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else resolve(frame.data?.models ?? []);
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}
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}
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});
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child.once("error", reject);
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child.once("exit", (code) => reject(new Error(`Pi exited before catalog response (${code})`)));
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child.stdin.write(`${JSON.stringify({ type: "get_available_models", id: "catalog-test" })}\n`);
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});
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} finally {
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if (child.pid) {
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try { process.kill(-child.pid, "SIGTERM"); } catch {}
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}
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}
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}
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test("maps unique chat models, stamps compatibility, and filters obvious non-chat families", () => {
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const compat = { supportsDeveloperRole: false, maxTokensField: "max_tokens" };
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const models = mapLocalAiModels([
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{ id: "qwen3.8-27b-q4" },
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{ id: "qwen3.8-27b-heretic-abliterated-uncensored" },
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{ id: "qwen3.8-27b-q4" },
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{ id: "qwen3-asr-1.7b" },
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{ id: "whisper-large-v3" },
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{ id: "bge-m3" },
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{ id: "nomic-embed-text" },
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{ id: "flux.2-klein-9b" },
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{ id: "sd-3.5-large-ggml" },
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], compat);
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assert.deepEqual(models.map((model) => model.id), [
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"qwen3.8-27b-heretic-abliterated-uncensored",
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"qwen3.8-27b-q4",
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]);
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assert.deepEqual(models[0].compat, compat);
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});
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test("resolves literal, interpolated, escaped, and command-backed config values", async () => {
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const previous = process.env.LOCALAI_TEST_KEY;
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const previousEmpty = process.env.LOCALAI_EMPTY_KEY;
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process.env.LOCALAI_TEST_KEY = "environment-key";
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process.env.LOCALAI_EMPTY_KEY = "";
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try {
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assert.equal(await resolveConfigValue("literal-key"), "literal-key");
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assert.equal(await resolveConfigValue("$LOCALAI_TEST_KEY"), "environment-key");
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assert.equal(await resolveConfigValue("prefix-${LOCALAI_TEST_KEY}"), "prefix-environment-key");
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assert.equal(await resolveConfigValue("$$money-$!bang"), "$money-!bang");
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assert.equal(await resolveConfigValue("!printf command-key"), "command-key");
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assert.equal(await resolveConfigValue("$MISSING_LOCALAI_KEY"), undefined);
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assert.equal(await resolveConfigValue("$LOCALAI_EMPTY_KEY"), undefined);
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assert.equal(await resolveConfigValue("prefix-${LOCALAI_EMPTY_KEY}"), undefined);
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} finally {
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if (previous === undefined) delete process.env.LOCALAI_TEST_KEY;
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else process.env.LOCALAI_TEST_KEY = previous;
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if (previousEmpty === undefined) delete process.env.LOCALAI_EMPTY_KEY;
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else process.env.LOCALAI_EMPTY_KEY = previousEmpty;
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}
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});
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test("aborts command-backed auth resolution with the caller signal", async () => {
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const root = await mkdtemp(join(tmpdir(), "localai-command-abort-"));
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const pidFile = join(root, "child.pid");
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const controller = new AbortController();
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const startedAt = Date.now();
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try {
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const resolving = resolveConfigValue(
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`!sleep 30 & child=$!; printf '%s' "$child" > '${pidFile}'; wait`,
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20_000,
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controller.signal,
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);
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let childPid = 0;
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for (let attempt = 0; attempt < 100 && !childPid; attempt += 1) {
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try {
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childPid = Number((await readFile(pidFile, "utf8")).trim());
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} catch {}
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if (!childPid) await new Promise((resolve) => setTimeout(resolve, 5));
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}
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assert.ok(childPid > 0, "descendant pid was recorded");
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controller.abort(new DOMException("Cancelled", "AbortError"));
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await assert.rejects(resolving, /abort|cancel/i);
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for (let attempt = 0; attempt < 100; attempt += 1) {
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try {
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process.kill(childPid, 0);
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} catch {
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childPid = 0;
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break;
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}
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await new Promise((resolve) => setTimeout(resolve, 5));
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}
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assert.equal(childPid, 0, "descendant process was terminated");
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assert.ok(Date.now() - startedAt < 1_500, "abort settled promptly");
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} finally {
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await rm(root, { recursive: true, force: true });
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}
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});
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test("discovers changing payload variants without caching and sends auth only when resolved", async () => {
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let call = 0;
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const seenHeaders: Array<HeadersInit | undefined> = [];
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const fetchImpl: typeof fetch = async (_url, init) => {
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call += 1;
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seenHeaders.push(init?.headers);
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return call === 1
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? response({ data: [{ id: "qwen3.8-27b-q4" }] })
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: response({ models: [{ id: "new-chat-model" }] });
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};
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const first = await discoverLocalAiModels(
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{ baseUrl: "http://local.invalid/v1", apiKey: "local" },
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{ fetch: fetchImpl },
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);
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const second = await discoverLocalAiModels(
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{ baseUrl: "http://local.invalid/v1" },
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{ fetch: fetchImpl },
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);
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assert.deepEqual(first.map((model) => model.id), ["qwen3.8-27b-q4"]);
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assert.deepEqual(second.map((model) => model.id), ["new-chat-model"]);
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assert.deepEqual(seenHeaders[0], { Authorization: "Bearer local" });
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assert.equal(seenHeaders[1], undefined);
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});
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test("rejects malformed, failed, timed-out, and externally aborted discovery", async () => {
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const settings = { baseUrl: "http://local.invalid/v1" };
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await assert.rejects(
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discoverLocalAiModels(settings, { fetch: async () => response({ object: "list" }) }),
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/malformed payload/,
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);
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await assert.rejects(
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discoverLocalAiModels(settings, { fetch: async () => response({}, 503) }),
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/HTTP 503/,
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);
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await assert.rejects(
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discoverLocalAiModels(settings, { fetch: abortAwareFetch(), timeoutMs: 5 }),
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/timeout|abort/i,
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);
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const controller = new AbortController();
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controller.abort(new DOMException("Cancelled", "AbortError"));
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await assert.rejects(
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discoverLocalAiModels(settings, { fetch: abortAwareFetch(), signal: controller.signal }),
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/cancel|abort/i,
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);
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});
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test("registers startup models with compatibility and refresh replaces them", async () => {
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const { root, path } = await configFile();
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try {
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let call = 0;
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const fetchImpl: typeof fetch = async () => {
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call += 1;
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return response({ data: [{ id: call === 1 ? "qwen3.8-27b-q4" : "next-chat-model" }] });
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};
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let registered: any;
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const pi = {
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registerProvider(_id: string, config: unknown) {
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registered = config;
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},
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on() {},
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};
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await createLocalAiModelsExtension({ configPath: path, fetch: fetchImpl })(pi as any);
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assert.deepEqual(registered.models.map((model: any) => model.id), ["qwen3.8-27b-q4"]);
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assert.deepEqual(registered.models[0].compat, {
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supportsDeveloperRole: false,
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supportsReasoningEffort: false,
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maxTokensField: "max_tokens",
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});
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const refreshed = await registered.refreshModels({ signal: new AbortController().signal });
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assert.deepEqual(refreshed.map((model: any) => model.id), ["next-chat-model"]);
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assert.deepEqual(refreshed[0].compat, registered.models[0].compat);
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} finally {
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await rm(root, { recursive: true, force: true });
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}
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});
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test("Pi startup composes discovered models with configured overrides", async () => {
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const root = await mkdtemp(join(tmpdir(), "localai-pi-integration-"));
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const server = createServer((request, responseStream) => {
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if (request.url === "/v1/models") {
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responseStream.writeHead(200, { "content-type": "application/json" });
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responseStream.end(JSON.stringify({
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data: [
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{ id: "qwen3.8-27b-heretic-abliterated-uncensored" },
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{ id: "qwen3.8-27b-q4" },
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],
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}));
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return;
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}
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responseStream.writeHead(404).end();
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});
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await new Promise<void>((resolve) => server.listen(0, "127.0.0.1", resolve));
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try {
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const address = server.address() as { port: number };
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const extensionPath = join(dirname(fileURLToPath(import.meta.url)), "index.ts");
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await writeFile(join(root, "settings.json"), JSON.stringify({ extensions: [extensionPath] }));
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await writeFile(join(root, "models.json"), JSON.stringify({
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providers: {
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localai: {
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baseUrl: `http://127.0.0.1:${address.port}/v1`,
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api: "openai-completions",
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apiKey: "local-test",
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compat: {
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supportsDeveloperRole: false,
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supportsReasoningEffort: false,
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maxTokensField: "max_tokens",
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},
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modelOverrides: {
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"qwen3.8-27b-heretic-abliterated-uncensored": {
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name: "Overridden Heretic Name",
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input: ["text", "image"],
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},
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},
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},
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},
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}));
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const models = (await runPiCatalog(root)).filter((model) => model.provider === "localai");
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assert.deepEqual(models.map((model) => model.id).sort(), [
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"qwen3.8-27b-heretic-abliterated-uncensored",
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"qwen3.8-27b-q4",
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]);
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const overridden = models.find((model) => model.id.includes("heretic"));
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assert.equal(overridden.name, "Overridden Heretic Name");
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assert.deepEqual(overridden.input, ["text", "image"]);
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assert.deepEqual(overridden.compat, {
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supportsDeveloperRole: false,
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supportsReasoningEffort: false,
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maxTokensField: "max_tokens",
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});
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} finally {
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await new Promise<void>((resolve) => server.close(() => resolve()));
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await rm(root, { recursive: true, force: true });
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}
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});
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test("successful startup followed by outage returns an empty refreshed catalog", async () => {
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const { root, path } = await configFile();
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const originalWarn = console.warn;
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console.warn = () => {};
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try {
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let call = 0;
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let registered: any;
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const pi = {
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registerProvider(_id: string, config: unknown) {
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registered = config;
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},
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on() {},
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};
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await createLocalAiModelsExtension({
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configPath: path,
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fetch: async () => {
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call += 1;
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if (call === 1) return response({ data: [{ id: "qwen3.8-27b-q4" }] });
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throw new Error("offline");
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},
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})(pi as any);
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assert.deepEqual(registered.models.map((model: any) => model.id), ["qwen3.8-27b-q4"]);
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assert.deepEqual(await registered.refreshModels({ signal: new AbortController().signal }), []);
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} finally {
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console.warn = originalWarn;
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await rm(root, { recursive: true, force: true });
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}
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});
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test("continues with an empty catalog and warning when LocalAI is unavailable", async () => {
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const { root, path } = await configFile();
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const originalWarn = console.warn;
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const warnings: string[] = [];
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console.warn = (message?: unknown) => warnings.push(String(message));
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try {
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let registered: any;
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let sessionStart: ((event: unknown, ctx: any) => void) | undefined;
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const pi = {
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registerProvider(_id: string, config: unknown) {
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registered = config;
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},
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on(event: string, handler: (event: unknown, ctx: any) => void) {
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if (event === "session_start") sessionStart = handler;
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},
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};
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await createLocalAiModelsExtension({
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configPath: path,
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fetch: async () => { throw new Error("offline"); },
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})(pi as any);
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assert.deepEqual(registered.models, []);
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assert.deepEqual(await registered.refreshModels({ signal: new AbortController().signal }), []);
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const notices: unknown[] = [];
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sessionStart?.({}, {
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hasUI: true,
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ui: { notify: (...args: unknown[]) => notices.push(args) },
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});
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assert.equal(notices.length, 1);
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assert.ok(warnings.length >= 1);
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} finally {
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console.warn = originalWarn;
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await rm(root, { recursive: true, force: true });
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}
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});
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