import { describe, expect, test } from "bun:test"
import { messageIdFromHash } from "./use-session-hash-scroll"

describe("messageIdFromHash", () => {
  test("parses hash with leading #", () => {
    expect(messageIdFromHash("#message-abc123")).toBe("abc123")
  })

  test("parses raw hash fragment", () => {
    expect(messageIdFromHash("message-42")).toBe("42")
  })

  test("ignores non-message anchors", () => {
    expect(messageIdFromHash("#review-panel")).toBeUndefined()
  })
})