Files
BrowserSkill/apps/extension/src/tools/__tests__/scroll.test.ts
T

311 lines
11 KiB
TypeScript

import { afterEach, describe, expect, it, vi } from "vitest";
import type { CdpFrameGraph, CdpTarget } from "@/browser-driver/frame-graph";
import { SessionManager } from "@/session-manager/manager";
import type { JavaScriptDialogInfo, ScrollToParams } from "@/transport/types";
import type { ViewportRect } from "../geometry";
import { handleScrollTo } from "../scroll";
import type { CdpRunner } from "../shared";
interface Call {
target: CdpTarget;
method: string;
params?: Record<string, unknown>;
aborted: boolean;
}
async function fixture(frame: "top" | "same-target" | "oopif" = "top") {
const manager = new SessionManager({
agentWindow: {
create: async () => 100,
remove: async () => {},
ensureActiveTab: async () => 4,
},
});
const ctx = await manager.start("aa11");
ctx.refStore.set("e3", 1234, {
tabId: 4,
...(frame !== "top" ? { frameId: "child" } : {}),
...(frame === "oopif" ? { cdpSessionId: "child-session" } : {}),
});
const abort = new AbortController();
const graph: CdpFrameGraph = {
rootFrameId: "main",
frames: [
{ frameId: "main", target: { tabId: 4 } },
{
frameId: "child",
parentFrameId: "main",
ownerBackendNodeId: 99,
target: { tabId: 4, ...(frame === "oopif" ? { sessionId: "child-session" } : {}) },
},
],
};
const rectangles = new Map<number, ViewportRect | null>([
[1234, { x: 10, y: 20, width: 100, height: 40 }],
[99, { x: 204, y: 306, width: 400, height: 200 }],
]);
const calls: Call[] = [];
const hooks = {
after: (_call: Call) => {},
reply: (_call: Call): object | undefined => undefined,
};
const send = async <T>(target: CdpTarget, method: string, params?: object): Promise<T> => {
const call = {
target,
method,
params: params as Call["params"],
aborted: abort.signal.aborted,
};
calls.push(call);
const override = hooks.reply(call);
hooks.after(call);
if (override) return override as T;
const args = call.params ?? {};
const replies: Record<string, unknown> = {
"DOM.getDocument": { root: { nodeId: 1 } },
"DOM.querySelector": { nodeId: 2 },
"DOM.describeNode": { node: { backendNodeId: 1234 } },
"DOM.scrollIntoViewIfNeeded": {},
"DOM.resolveNode": { object: { objectId: String(args.backendNodeId) } },
"Runtime.callFunctionOn": {
result: {
value: String(args.functionDeclaration).includes("IntersectionObserver")
? rectangles.get(Number(args.objectId))
: { width: 200, height: 100 },
},
},
"Runtime.releaseObject": {},
"Runtime.releaseObjectGroup": {},
"Runtime.evaluate": { result: { value: { width: 200, height: 100 } } },
"Page.getLayoutMetrics": {
cssLayoutViewport: {
clientWidth: target.sessionId ? 185 : 1280,
clientHeight: target.sessionId ? 89 : 720,
},
},
"DOM.getBoxModel": { model: { content: [204, 306, 604, 306, 604, 506, 204, 506] } },
};
if (!(method in replies)) throw new Error(`unexpected CDP call ${method}`);
return replies[method] as T;
};
const cdp: CdpRunner = {
send: (tabId, method, params) => send({ tabId }, method, params),
sendToTarget: send,
getFrameGraph: vi.fn(async () => {
hooks.after({ target: { tabId: 4 }, method: "getFrameGraph", aborted: abort.signal.aborted });
return graph;
}),
trackSessionTab: vi.fn(),
};
const tabsApi = {
get: vi.fn(async (id: number) => ({ id, windowId: 100, active: true }) as chrome.tabs.Tab),
query: vi.fn(async () => [{ id: 4, windowId: 100, active: true } as chrome.tabs.Tab]),
};
const run = (params: Partial<ScrollToParams> = {}) =>
handleScrollTo(
manager,
{ session_id: "aa11", ref: "@e3", ...params },
{ cdp, tabsApi, signal: abort.signal },
);
return { ctx, cdp, graph, rectangles, calls, hooks, abort, tabsApi, run };
}
afterEach(() => vi.restoreAllMocks());
describe("handleScrollTo", () => {
it("scrolls a ref and returns renderer-clipped bounds", async () => {
const f = await fixture();
expect(await f.run()).toMatchObject({
tab_id: 4,
used_ref: "e3",
x: 10,
y: 20,
width: 100,
height: 40,
});
expect(f.calls[0]).toMatchObject({
method: "DOM.scrollIntoViewIfNeeded",
params: { backendNodeId: 1234 },
});
const group = f.calls.find((call) => call.method === "DOM.resolveNode")!.params!.objectGroup;
expect(f.calls.at(-1)).toMatchObject({
method: "Runtime.releaseObjectGroup",
params: { objectGroup: group },
});
});
it("resolves a selector and tracks the attached tab even when it is missing", async () => {
const f = await fixture();
expect(await f.run({ ref: undefined, selector: "#target" })).toMatchObject({
used_selector: "#target",
});
f.hooks.reply = ({ method }) => (method === "DOM.querySelector" ? { nodeId: 0 } : undefined);
expect(await f.run({ ref: undefined, selector: "#missing" })).toMatchObject({
code: "not_found",
data: { reason: "selector_not_found" },
});
expect(f.cdp.trackSessionTab).toHaveBeenCalledWith("aa11", 4);
});
it.each([
"same-target",
"oopif",
] as const)("projects %s refs and scrolls their owners", async (frame) => {
const f = await fixture(frame);
expect(await f.run()).toMatchObject({ x: 224, y: 346, width: 200, height: 80 });
expect(
f.calls
.filter((call) => call.method === "DOM.scrollIntoViewIfNeeded")
.map((call) => call.params!.backendNodeId),
).toEqual([99, 1234]);
expect(f.cdp.getFrameGraph).toHaveBeenCalledTimes(1);
if (frame === "oopif")
expect(f.calls.find((call) => call.params?.backendNodeId === 1234)!.target.sessionId).toBe(
"child-session",
);
});
it("clips OOPIF bounds to occupied scrollbars without changing the frame scale", async () => {
const f = await fixture("oopif");
f.rectangles.set(1234, { x: 180, y: 80, width: 5, height: 9 });
expect(await f.run()).toMatchObject({ x: 564, y: 466, width: 10, height: 18 });
});
it("clips against the iframe owner's ordinary DOM ancestors", async () => {
const f = await fixture("oopif");
f.rectangles.set(99, { x: 204, y: 306, width: 400, height: 80 });
expect(await f.run()).toMatchObject({ x: 224, y: 346, width: 200, height: 40 });
});
it.each([1234, 99])("rejects a hidden or fully clipped node %i", async (node) => {
const f = await fixture("oopif");
f.rectangles.set(node, null);
expect(await f.run()).toMatchObject({
code: "permission_denied",
data: { reason: "element_not_visible" },
});
expect(f.calls.at(-1)!.method).toBe("Runtime.releaseObjectGroup");
});
it.each([
{ ref: undefined },
{ selector: "#target" },
{ timeout_ms: 0 },
])("rejects invalid params %j", async (params) => {
const f = await fixture();
expect(await f.run(params)).toMatchObject({ code: "invalid_params" });
expect(f.calls).toEqual([]);
});
it.each(["stale", "other-tab"])("rejects %s refs before scrolling", async (mode) => {
const f = await fixture();
if (mode === "stale") f.ctx.refStore.clear();
else f.ctx.refStore.set("e3", 1234, { tabId: 8 });
expect(await f.run()).toMatchObject({ code: "not_found", data: { reason: "ref_not_found" } });
expect(f.calls).toEqual([]);
});
it("enforces the Agent Window boundary", async () => {
const f = await fixture();
f.tabsApi.query.mockResolvedValue([{ id: 4, windowId: 200, active: true } as chrome.tabs.Tab]);
f.tabsApi.get.mockResolvedValue({ id: 4, windowId: 200, active: true } as chrome.tabs.Tab);
expect(await f.run({ tab_id: 4 })).toMatchObject({ code: "permission_denied" });
expect(f.calls).toEqual([]);
});
it.each([
"getFrameGraph",
"DOM.scrollIntoViewIfNeeded",
"DOM.resolveNode",
"Runtime.callFunctionOn",
"Page.getLayoutMetrics",
"Runtime.evaluate",
"DOM.getBoxModel",
])("honors cancellation during %s and only cleans up afterwards", async (method) => {
const f = await fixture("oopif");
f.hooks.after = (call) => {
if (call.method === method) f.abort.abort();
};
expect(await f.run()).toMatchObject({ code: "cancelled" });
expect(
f.calls.filter((call) => call.aborted && call.method !== "Runtime.releaseObjectGroup"),
).toEqual([]);
});
it.each([
"DOM.getDocument",
"DOM.querySelector",
"DOM.describeNode",
])("cancels selector resolution during %s", async (method) => {
const f = await fixture();
f.hooks.after = (call) => {
if (call.method === method) f.abort.abort();
};
expect(await f.run({ ref: undefined, selector: "#target" })).toMatchObject({
code: "cancelled",
});
expect(f.calls.filter((call) => call.aborted)).toEqual([]);
});
it("does not start after early cancellation", async () => {
const f = await fixture();
f.abort.abort();
expect(await f.run()).toMatchObject({ code: "cancelled" });
expect(f.calls).toEqual([]);
expect(f.tabsApi.query).not.toHaveBeenCalled();
});
it("does not issue fallback scrolling after cancellation", async () => {
const f = await fixture();
f.hooks.reply = ({ method }) => {
if (method === "DOM.scrollIntoViewIfNeeded") {
f.abort.abort();
throw new Error("scroll failed");
}
return undefined;
};
expect(await f.run()).toMatchObject({ code: "cancelled" });
expect(f.calls.map((call) => call.method)).toEqual(["DOM.scrollIntoViewIfNeeded"]);
});
it("stops target scrolling after a deadline expires while scrolling its owner", async () => {
const f = await fixture("oopif");
const now = vi.spyOn(Date, "now").mockReturnValue(100);
f.hooks.after = ({ method }) => {
if (method === "DOM.scrollIntoViewIfNeeded") now.mockReturnValue(201);
};
expect(await f.run({ timeout_ms: 100 })).toMatchObject({ code: "timeout" });
expect(f.calls.filter((call) => call.method === "DOM.scrollIntoViewIfNeeded")).toHaveLength(1);
});
it("reports measurement exceptions and releases objects even if cleanup fails", async () => {
const f = await fixture();
f.hooks.reply = ({ method }) => {
if (method === "Runtime.callFunctionOn")
return { exceptionDetails: { text: "measurement failed" } };
if (method === "Runtime.releaseObjectGroup") throw new Error("target closed");
return undefined;
};
expect(await f.run()).toMatchObject({ code: "cdp_failed", message: "measurement failed" });
expect(f.calls.at(-1)!.method).toBe("Runtime.releaseObjectGroup");
});
it("attaches dialogs observed during scrolling", async () => {
const f = await fixture();
f.cdp.dialogCursor = () => 5;
const dialogs: JavaScriptDialogInfo[] = [
{
sequence: 6,
tab_id: 4,
type: "alert",
message: "scrolled",
handled: "accepted",
url: "https://example.test",
},
];
f.cdp.dialogsSince = vi.fn(() => dialogs);
expect(await f.run()).toHaveProperty("dialogs", dialogs);
expect(f.cdp.dialogsSince).toHaveBeenCalledWith(4, 5);
});
});