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welshman/packages/domain/__tests__/RoomDelete.test.ts
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TypeScript

import {describe, it, expect} from "vitest"
import {makeSecret, ROOM_DELETE, NOTE} from "@welshman/util"
import type {TrustedEvent} from "@welshman/util"
import {Nip01Signer} from "@welshman/signer"
import {RoomDelete, RoomDeleteBuilder} from "../src/kinds/RoomDelete"
const signer = new Nip01Signer(makeSecret())
const pubkey = "ee".repeat(32)
const makeEvent = (overrides: Partial<TrustedEvent> = {}): TrustedEvent =>
({
id: "ff".repeat(32),
pubkey,
created_at: 0,
kind: ROOM_DELETE,
tags: [],
content: "",
sig: "00".repeat(64),
...overrides,
}) as TrustedEvent
describe("RoomDelete", () => {
it("reads multiple repeatable h tags", async () => {
const del = await RoomDelete.fromEvent(
makeEvent({tags: [["h", "room1"], ["h", "room2"], ["h", "room3"], ["alt", "x"]]}),
)
expect(del.hs()).toEqual(["room1", "room2", "room3"])
expect(del.h()).toBe("room1")
})
it("round-trips multiple rooms, emitting one h each with no duplication", async () => {
const del = await RoomDelete.fromEvent(
makeEvent({tags: [["h", "room1"], ["h", "room2"], ["h", "room3"], ["alt", "x"]]}),
)
const tmpl = await del.builder().toTemplate(signer)
expect(tmpl.kind).toBe(ROOM_DELETE)
// Three rooms in, three h tags out — exactly one per room, no duplicates.
expect(tmpl.tags.filter(t => t[0] === "h").length).toBe(3)
expect(tmpl.tags).toContainEqual(["h", "room1"])
expect(tmpl.tags).toContainEqual(["h", "room2"])
expect(tmpl.tags).toContainEqual(["h", "room3"])
// Unknown passthrough tag survives.
expect(tmpl.tags).toContainEqual(["alt", "x"])
})
it("builds from a fresh builder and edits the room set", async () => {
const tmpl = await new RoomDeleteBuilder()
.addRoom("room1")
.addRoom("room1") // dedup
.addRoom("room2")
.removeRoom("room1")
.toTemplate(signer)
expect(tmpl.tags.filter(t => t[0] === "h").length).toBe(1)
expect(tmpl.tags).toContainEqual(["h", "room2"])
expect(tmpl.tags).not.toContainEqual(["h", "room1"])
})
it("requires at least one h tag", async () => {
await expect(new RoomDeleteBuilder().toTemplate(signer)).rejects.toThrow()
})
it("throws on the wrong kind", async () => {
await expect(RoomDelete.fromEvent(makeEvent({kind: NOTE}))).rejects.toThrow()
})
})