2155b8e020
- Migrated per-object caches (chat/tool starts, model fingerprints, validation contexts, provider indexes, render IDs) from WeakMap to Symbol-keyed properties on the objects themselves. - Rewrote SSE debug tee as a single-pass inline parser, eliminating the body.tee() + readSseEvents re-parse pipeline. - Refactored MockModel from a factory function + external WeakMap state into a self-contained class. - Added FIFO memoization caches for heuristic candidate expansion and namespace suffix lookups.
525 lines
17 KiB
TypeScript
525 lines
17 KiB
TypeScript
import { afterEach, beforeEach, describe, expect, it } from "bun:test";
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import * as fs from "node:fs";
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import * as path from "node:path";
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import { discoverAndLoadExtensions, loadExtensions } from "@oh-my-pi/pi-coding-agent/extensibility/extensions/loader";
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import { getProjectAgentDir, TempDir } from "@oh-my-pi/pi-utils";
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import { filterUserScoped } from "./utils/filter-user-extensions";
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describe("extensions discovery", () => {
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let tempDir: TempDir;
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let extensionsDir: string;
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beforeEach(() => {
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tempDir = TempDir.createSync("@pi-ext-test-");
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extensionsDir = path.join(getProjectAgentDir(tempDir.path()), "extensions");
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fs.mkdirSync(extensionsDir, { recursive: true });
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});
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afterEach(() => {
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tempDir.removeSync();
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});
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const discoverForTest = async (configuredPaths: string[] = []) => {
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const result = await discoverAndLoadExtensions(configuredPaths, tempDir.path());
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return {
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...result,
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extensions: filterUserScoped(result.extensions),
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errors: filterUserScoped(result.errors),
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};
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};
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const extensionCode = `
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export default function(pi) {
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pi.registerCommand("test", { handler: async () => {} });
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}
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`;
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const extensionCodeWithTool = (toolName: string) => `
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export default function(pi) {
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const { Type } = pi.typebox;
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pi.registerTool({
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name: "${toolName}",
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label: "${toolName}",
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description: "Test tool",
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parameters: Type.Object({}),
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execute: async () => ({ content: [{ type: "text", text: "ok" }] }),
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});
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}
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`;
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it("discovers direct .ts files in extensions/", async () => {
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fs.writeFileSync(path.join(extensionsDir, "foo.ts"), extensionCode);
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fs.writeFileSync(path.join(extensionsDir, "bar.ts"), extensionCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(2);
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expect(result.extensions.map(e => path.basename(e.path)).sort()).toEqual(["bar.ts", "foo.ts"]);
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});
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it("discovers direct .js files in extensions/", async () => {
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fs.writeFileSync(path.join(extensionsDir, "foo.js"), extensionCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(path.basename(result.extensions[0].path)).toBe("foo.js");
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});
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it("discovers subdirectory with index.ts", async () => {
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const subdir = path.join(extensionsDir, "my-extension");
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fs.mkdirSync(subdir);
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fs.writeFileSync(path.join(subdir, "index.ts"), extensionCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("my-extension");
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expect(result.extensions[0].path).toContain("index.ts");
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});
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it("discovers subdirectory with index.js", async () => {
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const subdir = path.join(extensionsDir, "my-extension");
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fs.mkdirSync(subdir);
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fs.writeFileSync(path.join(subdir, "index.js"), extensionCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("index.js");
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});
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it("prefers index.ts over index.js", async () => {
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const subdir = path.join(extensionsDir, "my-extension");
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fs.mkdirSync(subdir);
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fs.writeFileSync(path.join(subdir, "index.ts"), extensionCode);
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fs.writeFileSync(path.join(subdir, "index.js"), extensionCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("index.ts");
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});
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it("discovers subdirectory with package.json pi field", async () => {
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const subdir = path.join(extensionsDir, "my-package");
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const srcDir = path.join(subdir, "src");
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fs.mkdirSync(subdir);
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fs.mkdirSync(srcDir);
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fs.writeFileSync(path.join(srcDir, "main.ts"), extensionCode);
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fs.writeFileSync(
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path.join(subdir, "package.json"),
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JSON.stringify({
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name: "my-package",
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pi: {
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extensions: ["./src/main.ts"],
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},
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}),
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);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("src");
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expect(result.extensions[0].path).toContain("main.ts");
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});
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it("package.json can declare multiple extensions", async () => {
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const subdir = path.join(extensionsDir, "my-package");
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fs.mkdirSync(subdir);
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fs.writeFileSync(path.join(subdir, "ext1.ts"), extensionCode);
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fs.writeFileSync(path.join(subdir, "ext2.ts"), extensionCode);
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fs.writeFileSync(
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path.join(subdir, "package.json"),
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JSON.stringify({
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name: "my-package",
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pi: {
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extensions: ["./ext1.ts", "./ext2.ts"],
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},
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}),
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);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(2);
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});
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it("package.json with pi field takes precedence over index.ts", async () => {
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const subdir = path.join(extensionsDir, "my-package");
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fs.mkdirSync(subdir);
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fs.writeFileSync(path.join(subdir, "index.ts"), extensionCodeWithTool("from-index"));
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fs.writeFileSync(path.join(subdir, "custom.ts"), extensionCodeWithTool("from-custom"));
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fs.writeFileSync(
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path.join(subdir, "package.json"),
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JSON.stringify({
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name: "my-package",
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pi: {
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extensions: ["./custom.ts"],
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},
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}),
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);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("custom.ts");
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// Verify the right tool was registered
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expect(result.extensions[0].tools.has("from-custom")).toBe(true);
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expect(result.extensions[0].tools.has("from-index")).toBe(false);
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});
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it("ignores package.json without pi field, falls back to index.ts", async () => {
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const subdir = path.join(extensionsDir, "my-package");
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fs.mkdirSync(subdir);
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fs.writeFileSync(path.join(subdir, "index.ts"), extensionCode);
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fs.writeFileSync(
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path.join(subdir, "package.json"),
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JSON.stringify({
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name: "my-package",
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version: "1.0.0",
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}),
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);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("index.ts");
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});
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it("ignores subdirectory without index or package.json", async () => {
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const subdir = path.join(extensionsDir, "not-an-extension");
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fs.mkdirSync(subdir);
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fs.writeFileSync(path.join(subdir, "helper.ts"), extensionCode);
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fs.writeFileSync(path.join(subdir, "utils.ts"), extensionCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(0);
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});
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it("does not recurse beyond one level", async () => {
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const subdir = path.join(extensionsDir, "container");
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const nested = path.join(subdir, "nested");
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fs.mkdirSync(subdir);
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fs.mkdirSync(nested);
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fs.writeFileSync(path.join(nested, "index.ts"), extensionCode);
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// No index.ts or package.json in container/
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(0);
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});
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it("handles mixed direct files and subdirectories", async () => {
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// Direct file
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fs.writeFileSync(path.join(extensionsDir, "direct.ts"), extensionCode);
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// Subdirectory with index
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const subdir1 = path.join(extensionsDir, "with-index");
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fs.mkdirSync(subdir1);
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fs.writeFileSync(path.join(subdir1, "index.ts"), extensionCode);
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// Subdirectory with package.json
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const subdir2 = path.join(extensionsDir, "with-manifest");
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fs.mkdirSync(subdir2);
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fs.writeFileSync(path.join(subdir2, "entry.ts"), extensionCode);
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fs.writeFileSync(path.join(subdir2, "package.json"), JSON.stringify({ pi: { extensions: ["./entry.ts"] } }));
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(3);
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});
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it("skips non-existent paths declared in package.json", async () => {
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const subdir = path.join(extensionsDir, "my-package");
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fs.mkdirSync(subdir);
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fs.writeFileSync(path.join(subdir, "exists.ts"), extensionCode);
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fs.writeFileSync(
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path.join(subdir, "package.json"),
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JSON.stringify({
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pi: {
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extensions: ["./exists.ts", "./missing.ts"],
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},
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}),
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);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("exists.ts");
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});
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it("loads extensions and registers commands", async () => {
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fs.writeFileSync(path.join(extensionsDir, "with-command.ts"), extensionCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].commands.has("test")).toBe(true);
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});
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it("loads extensions and registers tools", async () => {
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fs.writeFileSync(path.join(extensionsDir, "with-tool.ts"), extensionCodeWithTool("my-tool"));
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].tools.has("my-tool")).toBe(true);
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});
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it("reports errors for invalid extension code", async () => {
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fs.writeFileSync(path.join(extensionsDir, "invalid.ts"), "this is not valid typescript export");
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(1);
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expect(result.errors[0].path).toContain("invalid.ts");
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expect(result.extensions).toHaveLength(0);
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});
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it("handles explicitly configured paths", async () => {
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const customPath = path.join(tempDir.path(), "custom-location", "my-ext.ts");
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fs.mkdirSync(path.dirname(customPath), { recursive: true });
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fs.writeFileSync(customPath, extensionCode);
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const result = await discoverForTest([customPath]);
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("my-ext.ts");
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});
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it("resolves 3rd party npm dependencies (chalk)", async () => {
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// Load the real chalk-logger extension from examples
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const chalkLoggerPath = path.resolve(import.meta.dirname, "../examples/extensions/chalk-logger.ts");
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const result = await discoverForTest([chalkLoggerPath]);
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("chalk-logger.ts");
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// The extension registers event handlers, not commands/tools
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expect(result.extensions[0].handlers.size).toBeGreaterThan(0);
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});
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it("resolves dependencies from extension's own node_modules", async () => {
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const extDir = path.join(tempDir.path(), "with-deps");
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const extNodeModules = path.join(extDir, "node_modules", "local-duration-parser");
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fs.mkdirSync(extNodeModules, { recursive: true });
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fs.writeFileSync(
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path.join(extDir, "package.json"),
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JSON.stringify({
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name: "pi-extension-with-deps",
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version: "1.0.0",
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type: "module",
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omp: { extensions: ["./index.ts"] },
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}),
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);
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fs.writeFileSync(
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path.join(extDir, "index.ts"),
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` import parseDuration from "local-duration-parser";
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export default function (pi) {
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const { Type } = pi.typebox;
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pi.registerTool({
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name: "parse_duration",
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label: "Parse Duration",
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description: "Parse duration strings",
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parameters: Type.Object({ duration: Type.String() }),
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execute: async (_toolCallId, params) => ({
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content: [{ type: "text", text: String(parseDuration(params.duration)) }],
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details: {},
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}),
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});
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}
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`,
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);
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fs.writeFileSync(
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path.join(extNodeModules, "package.json"),
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JSON.stringify({
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name: "local-duration-parser",
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version: "1.0.0",
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type: "module",
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exports: "./index.js",
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}),
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);
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fs.writeFileSync(
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path.join(extNodeModules, "index.js"),
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"export default function parseDuration(input) { return input.length; }",
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);
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const result = await discoverForTest([extDir]);
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].path).toContain("with-deps");
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expect(result.extensions[0].tools.has("parse_duration")).toBe(true);
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});
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it("registers message renderers", async () => {
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const extCode = `
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export default function(pi) {
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pi.registerMessageRenderer("my-custom-type", (message, options, theme) => {
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return null; // Use default rendering
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});
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}
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`;
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fs.writeFileSync(path.join(extensionsDir, "with-renderer.ts"), extCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].messageRenderers.has("my-custom-type")).toBe(true);
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});
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it("reports error when extension throws during initialization", async () => {
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const extCode = `
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export default function(pi) {
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throw new Error("Initialization failed!");
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}
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`;
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fs.writeFileSync(path.join(extensionsDir, "throws.ts"), extCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(1);
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expect(result.errors[0].error).toContain("Initialization failed!");
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expect(result.extensions).toHaveLength(0);
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});
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it("reports error when extension has no default export", async () => {
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const extCode = `
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export function notDefault(pi) {
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pi.registerCommand("test", { handler: async () => {} });
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}
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`;
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fs.writeFileSync(path.join(extensionsDir, "no-default.ts"), extCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(1);
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expect(result.errors[0].error).toContain("does not export a valid factory function");
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expect(result.extensions).toHaveLength(0);
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});
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it("allows multiple extensions to register different tools", async () => {
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fs.writeFileSync(path.join(extensionsDir, "tool-a.ts"), extensionCodeWithTool("tool-a"));
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fs.writeFileSync(path.join(extensionsDir, "tool-b.ts"), extensionCodeWithTool("tool-b"));
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(2);
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const allTools = new Set<string>();
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for (const ext of result.extensions) {
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for (const name of ext.tools.keys()) {
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allTools.add(name);
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}
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}
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expect(allTools.has("tool-a")).toBe(true);
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expect(allTools.has("tool-b")).toBe(true);
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});
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it("loads extension with event handlers", async () => {
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const extCode = `
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export default function(pi) {
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pi.on("agent_start", async () => {});
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pi.on("tool_call", async (event) => undefined);
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pi.on("agent_end", async () => {});
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}
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`;
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fs.writeFileSync(path.join(extensionsDir, "with-handlers.ts"), extCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].handlers.has("agent_start")).toBe(true);
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expect(result.extensions[0].handlers.has("tool_call")).toBe(true);
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expect(result.extensions[0].handlers.has("agent_end")).toBe(true);
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});
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it("loads extension with shortcuts", async () => {
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const extCode = `
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export default function(pi) {
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pi.registerShortcut("ctrl+t", {
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description: "Test shortcut",
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handler: async (ctx) => {},
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});
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}
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`;
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fs.writeFileSync(path.join(extensionsDir, "with-shortcut.ts"), extCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
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expect(result.extensions).toHaveLength(1);
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expect(result.extensions[0].shortcuts.has("ctrl+t")).toBe(true);
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});
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it("loads extension with flags", async () => {
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const extCode = `
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export default function(pi) {
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pi.registerFlag("--my-flag", {
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description: "My custom flag",
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handler: async (value) => {},
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});
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}
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`;
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fs.writeFileSync(path.join(extensionsDir, "with-flag.ts"), extCode);
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const result = await discoverForTest();
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expect(result.errors).toHaveLength(0);
|
|
expect(result.extensions).toHaveLength(1);
|
|
expect(result.extensions[0].flags.has("--my-flag")).toBe(true);
|
|
});
|
|
|
|
it("loadExtensions only loads explicit paths without discovery", async () => {
|
|
// Create discoverable extensions (would be found by discoverAndLoadExtensions)
|
|
fs.writeFileSync(path.join(extensionsDir, "discovered.ts"), extensionCodeWithTool("discovered"));
|
|
|
|
// Create explicit extension outside discovery path
|
|
const explicitPath = path.join(tempDir.path(), "explicit.ts");
|
|
fs.writeFileSync(explicitPath, extensionCodeWithTool("explicit"));
|
|
|
|
// Use loadExtensions directly to skip discovery
|
|
const result = await loadExtensions([explicitPath], tempDir.path());
|
|
|
|
expect(result.errors).toHaveLength(0);
|
|
expect(result.extensions).toHaveLength(1);
|
|
expect(result.extensions[0].tools.has("explicit")).toBe(true);
|
|
expect(result.extensions[0].tools.has("discovered")).toBe(false);
|
|
});
|
|
|
|
it("loadExtensions with no paths loads nothing", async () => {
|
|
// Create discoverable extensions (would be found by discoverAndLoadExtensions)
|
|
fs.writeFileSync(path.join(extensionsDir, "discovered.ts"), extensionCode);
|
|
|
|
// Use loadExtensions directly with empty paths
|
|
const result = await loadExtensions([], tempDir.path());
|
|
|
|
expect(result.errors).toHaveLength(0);
|
|
expect(result.extensions).toHaveLength(0);
|
|
});
|
|
});
|