Files
welshman/packages/net/__tests__/Pool.test.ts
T
2025-03-31 09:13:10 -07:00

131 lines
3.3 KiB
TypeScript

import { describe, expect, it, vi, beforeEach, afterEach } from "vitest"
import { Socket } from "../src/socket"
import { Pool, makeSocket } from "../src/pool"
import { normalizeRelayUrl } from "@welshman/util"
vi.mock('isomorphic-ws', () => {
const WebSocket = vi.fn(function () {
setTimeout(() => this.onopen())
})
WebSocket.prototype.send = vi.fn()
WebSocket.prototype.close = vi.fn(function () {
this.onclose()
})
return { default: WebSocket }
})
describe("Pool", () => {
let pool: Pool
beforeEach(() => {
pool = new Pool()
})
afterEach(() => {
vi.clearAllMocks()
})
describe("has", () => {
it("should return false for non-existent socket", () => {
expect(pool.has("wss://test.relay")).toBe(false)
})
it("should return true for existing socket, normalizing the url", () => {
pool.get("wss://test.relay/")
expect(pool.has("wss://test.relay")).toBe(true)
})
})
describe("get", () => {
it("should create new socket if none exists, normalizing the relay url", () => {
const socket = pool.get("wss://test.relay")
expect(socket.url).toEqual("wss://test.relay/")
})
it("should return existing socket if it exists", () => {
const firstSocket = pool.get("wss://test.relay")
const secondSocket = pool.get("wss://test.relay")
expect(firstSocket).toBe(secondSocket)
})
})
describe("subscribe", () => {
it("should notify subscribers of new sockets", () => {
const sub1 = vi.fn()
const sub2 = vi.fn()
pool.subscribe(sub1)
pool.subscribe(sub2)
pool.get("wss://test.relay")
expect(sub1).toHaveBeenCalledTimes(1)
expect(sub2).toHaveBeenCalledTimes(1)
})
it("should not notify subscribers for existing sockets", () => {
pool.get("wss://test.relay")
const sub = vi.fn()
pool.subscribe(sub)
pool.get("wss://test.relay")
expect(sub).not.toHaveBeenCalled()
})
it("should add subscription", () => {
const sub = vi.fn()
pool.subscribe(sub)
expect(pool._subs).toContain(sub)
})
it("should return unsubscribe function", () => {
const sub = vi.fn()
const unsubscribe = pool.subscribe(sub)
unsubscribe()
expect(pool._subs).not.toContain(sub)
})
})
describe("remove", () => {
it("should remove and cleanup existing socket", () => {
const mockSocket = { url: "wss://test.relay", cleanup: vi.fn() }
pool._data.set(mockSocket.url, mockSocket)
pool.remove(mockSocket.url)
expect(mockSocket.cleanup).toHaveBeenCalled()
expect(pool._data.has(mockSocket.url)).toBe(false)
})
it("should do nothing for non-existent socket", () => {
pool.remove("wss://test.relay")
expect(pool._data.has("wss://test.relay")).toBe(false)
})
})
describe("clear", () => {
it("should remove all sockets", () => {
const urls = ["wss://test1.relay", "wss://test2.relay"]
const mockSockets = urls.map(url => ({ url, cleanup: vi.fn() }))
for (const mockSocket of mockSockets) {
pool._data.set(mockSocket.url, mockSocket)
}
pool.clear()
expect(pool._data.size).toBe(0)
mockSockets.forEach(socket => {
expect(socket.cleanup).toHaveBeenCalled()
})
})
})
})