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3e05655 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | import { describe, expect, test } from "bun:test"
import { PtyProtocol } from "@opencode-ai/core/pty/protocol"
describe("pty protocol", () => {
test("drops invalid binary input frames and decodes valid ones", () => {
expect(PtyProtocol.decodeInput("ready")).toBe("ready")
expect(PtyProtocol.decodeInput(new Uint8Array([0xff, 0xfe, 0xfd]))).toBeUndefined()
expect(PtyProtocol.decodeInput(new TextEncoder().encode("hello"))).toBe("hello")
expect(PtyProtocol.decodeInput(new TextEncoder().encode("hello").buffer)).toBe("hello")
})
test("encodes the cursor as a 0x00-prefixed JSON control frame", () => {
const frame = PtyProtocol.metaFrame(42)
expect(frame[0]).toBe(0)
expect(JSON.parse(new TextDecoder().decode(frame.subarray(1)))).toEqual({ cursor: 42 })
})
test("splits replay into bounded frames", () => {
expect(PtyProtocol.chunks("")).toEqual([])
expect(PtyProtocol.chunks("abc")).toEqual(["abc"])
const big = "x".repeat(PtyProtocol.REPLAY_CHUNK + 1)
const frames = PtyProtocol.chunks(big)
expect(frames.length).toBe(2)
expect(frames[0].length).toBe(PtyProtocol.REPLAY_CHUNK)
expect(frames.join("")).toBe(big)
})
})
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