Files
oh-my-pi/packages/coding-agent/test/write-xdev-dispatch.test.ts
T
2026-07-24 02:23:22 +02:00

285 lines
13 KiB
TypeScript

import { describe, expect, it } from "bun:test";
import * as fs from "node:fs/promises";
import * as os from "node:os";
import * as path from "node:path";
import { Settings } from "@oh-my-pi/pi-coding-agent/config/settings";
import * as themeModule from "@oh-my-pi/pi-coding-agent/modes/theme/theme";
import { ToolChoiceQueue } from "@oh-my-pi/pi-coding-agent/session/tool-choice-queue";
import { createTools, type ToolSession } from "@oh-my-pi/pi-coding-agent/tools";
import { writeToolRenderer } from "@oh-my-pi/pi-coding-agent/tools/write";
import { XdevRegistry } from "@oh-my-pi/pi-coding-agent/tools/xdev";
import { removeWithRetries } from "@oh-my-pi/pi-utils";
// xdev mounting is default-on: discoverable tools like ast_edit unmount into
// xd://, and a plain `write xd://ast_edit` dispatches them. These guard the
// resolution-device symbols write.ts pulls from ./resolve — a missing import
// threw `ReferenceError: isResolutionDeviceName is not defined` on *every*
// xd:// write, in both the executor (approval + execute) and the streaming
// renderer (surfacing as the error text inside a generic Write frame).
function xdevSession(cwd: string, overrides: Partial<ToolSession> = {}): ToolSession {
return {
cwd,
hasUI: true,
getSessionFile: () => null,
getSessionSpawns: () => "*",
settings: Settings.isolated({}),
...overrides,
};
}
describe("read and write route xd:// device URLs", () => {
it("lists, documents, and dispatches an ast_edit device", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "write-xdev-"));
try {
const filePath = path.join(tempDir, "legacy.ts");
await Bun.write(filePath, "legacyWrap(x, value)\n");
const queue = new ToolChoiceQueue();
const tools = await createTools(
xdevSession(tempDir, {
getToolChoiceQueue: () => queue,
buildToolChoice: () => ({ type: "tool" as const, name: "resolve" }),
steer: () => {},
}),
);
// xdev on: ast_edit is unmounted into xd://; write stays in the toolset.
const write = tools.find(entry => entry.name === "write");
const read = tools.find(entry => entry.name === "read");
expect(read).toBeDefined();
expect(write).toBeDefined();
expect(tools.some(entry => entry.name === "ast_edit")).toBe(false);
const listing = await read!.execute("read-xd-list", { path: "xd://" });
expect(listing.content.find(entry => entry.type === "text")?.text).toContain("xd://ast_edit");
const docs = await read!.execute("read-xd-docs", { path: "xd://ast_edit" });
expect(docs.content.find(entry => entry.type === "text")?.text).toContain("# ast_edit");
const content = JSON.stringify({
ops: [{ pat: "legacyWrap($A, $B)", out: "modernWrap($A, $B)" }],
paths: [filePath],
});
// The write gate decodes the device payload and evaluates the mounted
// tool's own approval. ast_edit is write-tier for a filesystem path.
const approval = write!.approval;
expect(typeof approval).toBe("function");
if (typeof approval === "function") {
expect(approval({ path: "xd://ast_edit", content })).toBe("write");
}
// Execute dispatches through the xdev registry to the mounted ast_edit,
// staging a preview (not a direct apply).
const previewResult = await write!.execute("write-xdev-preview", { path: "xd://ast_edit", content });
expect(previewResult.isError).toBeUndefined();
expect(previewResult.details?.xdev?.tool).toBe("ast_edit");
expect(previewResult.details?.xdev?.mode).toBe("execute");
const previewText = previewResult.content.find(entry => entry.type === "text")?.text ?? "";
expect(previewText).toContain("modernWrap");
// The staged preview applies through the resolve queue and rewrites disk.
const invoker = queue.peekPendingInvoker();
expect(invoker).toBeDefined();
await invoker!({ action: "apply", reason: "apply xdev ast edit" });
expect(await Bun.file(filePath).text()).toContain("modernWrap(x, value)");
} finally {
await removeWithRetries(tempDir);
}
});
it("rejects near-miss xd addresses before filesystem fallback", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "write-xdev-near-miss-"));
try {
const tools = await createTools(xdevSession(tempDir));
const write = tools.find(entry => entry.name === "write");
expect(write).toBeDefined();
for (const target of ["xdt://web_search", "xd:/web_search", "xd/web_search"]) {
await expect(write!.execute(`write-${target}`, { path: target, content: "{}" })).rejects.toThrow(
"Did you mean 'xd://web_search'?",
);
}
expect(await Bun.file(path.join(tempDir, "xdt:/web_search")).exists()).toBe(false);
expect(await Bun.file(path.join(tempDir, "xd/web_search")).exists()).toBe(false);
const escaped = await write!.execute("write-explicit-path", {
path: "./xd/web_search",
content: "intentional file",
});
expect(escaped.isError).toBeUndefined();
expect(await Bun.file(path.join(tempDir, "xd/web_search")).text()).toBe("intentional file");
// conflict:// has no router handler but is a documented write scheme —
// the guard must let it reach the conflict resolver, not reject it.
await expect(write!.execute("write-conflict", { path: "conflict://1", content: "x" })).rejects.toThrow(
"Conflict #1 not found",
);
} finally {
await removeWithRetries(tempDir);
}
});
it("resolves function-valued device approvals per payload and fails closed on bad content", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "write-xdev-approval-"));
try {
const filePath = path.join(tempDir, "target.ts");
await Bun.write(filePath, "legacyWrap(x, value)\n");
const tools = await createTools(xdevSession(tempDir));
const write = tools.find(entry => entry.name === "write");
expect(write).toBeDefined();
const approval = write!.approval;
expect(typeof approval).toBe("function");
if (typeof approval !== "function") throw new Error("expected a function approval");
const tier = (path: string, content: string) => approval({ path, content });
// ast_edit on a filesystem path → write; on internal URLs only → read.
const astFsPath = JSON.stringify({
ops: [{ pat: "legacyWrap($A, $B)", out: "modernWrap($A, $B)" }],
paths: [filePath],
});
const astInternalPath = JSON.stringify({
ops: [{ pat: "a", out: "b" }],
paths: ["artifact://abc"],
});
expect(tier("xd://ast_edit", astFsPath)).toBe("write");
expect(tier("xd://ast_edit", astInternalPath)).toBe("read");
// debug: inspection action → read; a real launch → exec (control).
expect(tier("xd://debug", JSON.stringify({ action: "sessions" }))).toBe("read");
expect(tier("xd://debug", JSON.stringify({ action: "launch", program: "./app" }))).toBe("exec");
// Fail closed: malformed JSON, non-object or schema-invalid payloads,
// missing content, and unknown devices all stay exec so the gate never
// under-prompts.
expect(tier("xd://ast_edit", "{ not json")).toBe("exec");
expect(tier("xd://ast_edit", "[1,2,3]")).toBe("exec");
expect(tier("xd://ast_edit", '"a string"')).toBe("exec");
expect(tier("xd://ast_edit", JSON.stringify({ paths: [null] }))).toBe("exec");
expect(approval({ path: "xd://ast_edit" })).toBe("exec");
expect(tier("xd://no_such_device", "{}")).toBe("exec");
} finally {
await removeWithRetries(tempDir);
}
});
it("renderCall withholds a partial xd:// URL, then delegates once settled", async () => {
await themeModule.initTheme();
const uiTheme = (await themeModule.getThemeByName("dark")) ?? (await themeModule.getThemeByName("light"));
if (!uiTheme) throw new Error("expected an initialized theme");
const options = { expanded: false, isPartial: true };
const content = JSON.stringify({
ops: [{ pat: "legacyWrap($A, $B)", out: "modernWrap($A, $B)" }],
paths: ["/tmp/legacy.ts"],
});
// Path still streaming (no content field yet): render nothing so the user
// never sees a half-typed "xd://ast_" frame.
expect(writeToolRenderer.renderCall({ path: "xd://ast_e" }, options, uiTheme)).toBeUndefined();
// Path settled + content streaming: delegate to the mounted tool's renderer
// instead of throwing ReferenceError inside a generic Write frame.
const rendered = writeToolRenderer.renderCall({ path: "xd://ast_edit", content }, options, uiTheme);
expect(rendered).toBeDefined();
});
it("docsAll inlines small device docs and falls back to a listing past the caps", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "write-xdev-docs-"));
try {
const session = xdevSession(tempDir);
expect(session.settings.get("tools.xdevDocs")).toBe("builtins");
await createTools(session);
const mounted = session.xdevRegistry?.list() ?? [];
expect(mounted.length).toBeGreaterThan(0);
// One device with a pathological description must fall back to the
// listing without starving the rest of the catalog.
const giant = Object.create(mounted[0]!) as (typeof mounted)[number];
Object.defineProperty(giant, "name", { value: "giant_mcp_tool" });
Object.defineProperty(giant, "description", { value: "x".repeat(XdevRegistry.DOCS_PER_DEVICE_CAP + 1) });
const registry = new XdevRegistry([...mounted, giant]);
const docs = registry.docsAll();
expect(docs.length).toBeLessThan(XdevRegistry.DOCS_TOTAL_BUDGET + XdevRegistry.DOCS_PER_DEVICE_CAP);
expect(docs).toContain(`## ${mounted[0]!.name}`);
expect(docs).toContain("## Additional devices (docs on demand)");
expect(docs).toContain("- xd://giant_mcp_tool —");
expect(docs).not.toContain("## giant_mcp_tool");
} finally {
await removeWithRetries(tempDir);
}
});
it("docsAll supports inline, builtins, and catalog prompt modes", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "write-xdev-external-"));
try {
const session = xdevSession(tempDir);
expect(session.settings.get("tools.xdevDocs")).toBe("builtins");
await createTools(session);
const registry = session.xdevRegistry;
if (!registry) throw new Error("expected xdev registry");
const mounted = registry.list();
const longDescription = `LEDE ${"y".repeat(XdevRegistry.EXTERNAL_DESCRIPTION_CAP * 3)} TAIL`;
const external = Object.create(mounted[0]!) as (typeof mounted)[number];
Object.defineProperty(external, "name", { value: "mcp_external_tool" });
Object.defineProperty(external, "description", { value: longDescription });
Object.defineProperty(external, "summary", {
value: `SUMMARY ${"z".repeat(XdevRegistry.EXTERNAL_DESCRIPTION_CAP * 3)} TAIL`,
});
registry.reconcile([external]);
const inlineDocs = registry.docsAll("inline");
expect(inlineDocs).toContain("## mcp_external_tool");
expect(inlineDocs).toContain("LEDE ");
expect(inlineDocs).not.toContain("TAIL");
expect(inlineDocs).toContain("… (full docs: read xd://mcp_external_tool)");
const builtinsDocs = registry.docsAll("builtins");
expect(builtinsDocs).toContain("## ");
expect(builtinsDocs).not.toContain("## mcp_external_tool");
expect(builtinsDocs).toContain("- xd://mcp_external_tool —");
expect(builtinsDocs).not.toContain("TAIL");
const catalogDocs = registry.docsAll("catalog");
expect(catalogDocs).not.toContain(`## ${mounted[0]!.name}`);
expect(catalogDocs).toContain("- xd://");
expect(catalogDocs).toContain("- xd://mcp_external_tool —");
expect(registry.docs("mcp_external_tool")).toContain("TAIL");
const contextMode = Object.create(mounted[0]!) as (typeof mounted)[number];
Object.defineProperty(contextMode, "name", { value: "mcp__context_mode_ctx_execute" });
const unrelatedMcp = Object.create(mounted[0]!) as (typeof mounted)[number];
Object.defineProperty(unrelatedMcp, "name", { value: "mcp__other_server_execute" });
registry.reconcile([contextMode, unrelatedMcp]);
const allowlistedDocs = registry.docsAll("builtins", ["mcp__context_mode_*"]);
expect(allowlistedDocs).toContain("## mcp__context_mode_ctx_execute");
expect(allowlistedDocs).not.toContain("## mcp__other_server_execute");
expect(allowlistedDocs).toContain("- xd://mcp__other_server_execute —");
const catalogWithAllowlistDocs = registry.docsAll("catalog", ["mcp__context_mode_*"]);
expect(catalogWithAllowlistDocs).not.toContain("## mcp__context_mode_ctx_execute");
} finally {
await removeWithRetries(tempDir);
}
});
});
describe("web_search stays top-level under xdev", () => {
it("keeps web_search a direct tool and off the xd:// registry with default config", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "write-xdev-websearch-"));
try {
const session = xdevSession(tempDir);
// Default config: tools.xdev is on.
expect(session.settings.get("tools.xdev")).toBe(true);
const tools = await createTools(session);
// Regression for #5973: models call web_search directly, so it must
// remain a top-level function and never mount behind the xd:// device.
expect(tools.some(entry => entry.name === "web_search")).toBe(true);
const mounted = session.xdevRegistry ? [...session.xdevRegistry.list()].map(t => t.name) : [];
expect(mounted).not.toContain("web_search");
} finally {
await removeWithRetries(tempDir);
}
});
});