opencode/packages/client/test/node/chromium.test.ts
2026-07-29 15:59:59 +10:00

85 lines
3.2 KiB
TypeScript

import { Browser, BrowserDriver, type BrowserDriverContext, type ChromiumPort } from "@opencode-ai/client/node"
import { describe, expect, test } from "bun:test"
type Port = ChromiumPort<{ readonly name: string }>
type Command = Parameters<Port["send"]>[0]
type Listener = Parameters<Port["subscribe"]>[0]
describe("Chromium browser driver", () => {
test("snapshots accessibility refs and invalidates them with the document generation", async () => {
const port = new FakePort()
const instance = await BrowserDriver.chromium(() => port)({
proxy: { url: "http://127.0.0.1:1", host: "127.0.0.1", port: 1, credentials: { username: "u", password: "p" } },
signal: new AbortController().signal,
} satisfies BrowserDriverContext)
const execute = (command: Browser.Command) => instance.execute(command, { signal: new AbortController().signal })
const snapshot = await execute({ type: "snapshot", generation: 0 })
expect(snapshot).toMatchObject({
type: "snapshot",
content: expect.stringContaining('e1 [button] "Save" disabled=false'),
})
expect(port.expression).toContain("while (visited++ < 500)")
expect(port.expression).not.toContain("textContent")
await execute({ type: "click", ref: Browser.Ref.make("e1"), generation: 0 })
port.emit()
expect(instance.resource.state().generation).toBe(1)
expect(port.commands.some((command) => command.method === "Runtime.releaseObject")).toBe(true)
await expect(execute({ type: "click", ref: Browser.Ref.make("e1"), generation: 1 })).rejects.toMatchObject({
code: "stale_ref",
})
await instance.resource.dispose()
})
})
class FakePort implements Port {
readonly resource = { name: "chromium" }
readonly listeners = new Set<Listener>()
readonly commands: Command[] = []
current = { url: "https://example.com/", title: "Example", loading: false, canGoBack: false, canGoForward: false }
expression = ""
state() {
return this.current
}
subscribe(listener: Listener) {
this.listeners.add(listener)
return () => this.listeners.delete(listener)
}
navigate() {}
back() {}
forward() {}
reload() {}
stop() {}
send(command: Command) {
this.commands.push(command)
if (command.method === "Runtime.evaluate") {
this.expression = command.params.expression
return Promise.resolve({ result: { objectId: "snapshot" } })
}
if (command.method !== "Runtime.callFunctionOn") return Promise.resolve({})
if (command.params.functionDeclaration === "function() { return this.result }") {
return Promise.resolve({
result: {
value: {
nodes: [{ token: "e1", role: "button", name: "Save", value: "", depth: 1, disabled: false }],
nextRef: 1,
},
},
})
}
return Promise.resolve({ result: { value: { x: 25, y: 40 } } })
}
viewport() {
return { width: 800, height: 600 }
}
screenshot() {
return Promise.resolve({ data: new Uint8Array(), width: 800, height: 600 })
}
dispose() {}
emit() {
this.current = { ...this.current, url: "https://next.example/" }
this.listeners.forEach((listener) => listener({ state: this.current, mainDocumentChanged: true }))
}
}