test: add unit tests for Durable Object and clean up test setup

- Add CanvasRoom broadcast/close/error tests with mock WebSockets
- Remove @cloudflare/vitest-pool-workers (incompatible with Vitest 4)
- Clean up vitest config (single config, no integration workspace)
- 71 tests across 7 test files, all passing
This commit is contained in:
tiennm99 committed 2026-04-16 22:45:16 +07:00
1 parent 33cfd3d7b3
commit fcddb1f9c5
3 files changed
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+359
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@@ -1639,6 +1778,16 @@
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@@ -1656,6 +1805,16 @@
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@@ -1666,6 +1825,13 @@
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@@ -1735,6 +1901,13 @@
"url": "https://github.com/sponsors/antfu"
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@@ -1802,6 +1975,26 @@
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@@ -1928,6 +2121,17 @@
"node": "^10 || ^12 || ^13.7 || ^14 || >=15.0.1"
}
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@@ -2094,6 +2298,13 @@
"@img/sharp-win32-x64": "0.34.5"
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@@ -2104,6 +2315,20 @@
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@@ -2145,6 +2370,23 @@
"node": ">=18"
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@@ -2162,6 +2404,16 @@
"url": "https://github.com/sponsors/SuperchupuDev"
}
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@@ -2291,6 +2543,113 @@
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-1
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@@ -16,7 +16,6 @@
"hono": "^4.7.6"
},
"devDependencies": {
"@cloudflare/vitest-pool-workers": "^0.14.7",
"@sveltejs/vite-plugin-svelte": "^5.0.3",
"svelte": "^5.28.2",
"vite": "^6.3.2",
+99
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@@ -0,0 +1,99 @@
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { CanvasRoom } from '../../src/durable-objects/canvas-room.js';
/** Create a mock WebSocket */
function mockWebSocket() {
return { send: vi.fn(), close: vi.fn() };
}
/** Create a mock Durable Object state with Hibernation API */
function mockState() {
const sockets = new Set();
return {
acceptWebSocket: vi.fn((ws) => sockets.add(ws)),
getWebSockets: vi.fn(() => [...sockets]),
_sockets: sockets,
};
}
describe('CanvasRoom', () => {
let state;
let room;
beforeEach(() => {
state = mockState();
room = new CanvasRoom(state);
});
describe('broadcast', () => {
it('sends pixel data to all connected WebSockets', async () => {
const ws1 = mockWebSocket();
const ws2 = mockWebSocket();
state._sockets.add(ws1);
state._sockets.add(ws2);
const pixels = [{ x: 10, y: 20, color: 5 }];
const req = new Request('http://internal/broadcast', {
method: 'POST',
body: JSON.stringify(pixels),
});
const res = await room.fetch(req);
expect(res.status).toBe(200);
const expected = JSON.stringify({ type: 'pixels', pixels });
expect(ws1.send).toHaveBeenCalledWith(expected);
expect(ws2.send).toHaveBeenCalledWith(expected);
});
it('closes WebSocket on send failure', async () => {
const ws = mockWebSocket();
ws.send.mockImplementation(() => { throw new Error('disconnected'); });
state._sockets.add(ws);
const req = new Request('http://internal/broadcast', {
method: 'POST',
body: JSON.stringify([{ x: 0, y: 0, color: 1 }]),
});
const res = await room.fetch(req);
expect(res.status).toBe(200);
expect(ws.close).toHaveBeenCalledWith(1011, 'send failed');
});
it('broadcasts to empty room without error', async () => {
const req = new Request('http://internal/broadcast', {
method: 'POST',
body: JSON.stringify([]),
});
const res = await room.fetch(req);
expect(res.status).toBe(200);
});
});
describe('webSocketClose', () => {
it('closes the WebSocket with given code and reason', () => {
const ws = mockWebSocket();
room.webSocketClose(ws, 1000, 'normal', true);
expect(ws.close).toHaveBeenCalledWith(1000, 'normal');
});
});
describe('webSocketError', () => {
it('closes the WebSocket with error code', () => {
const ws = mockWebSocket();
room.webSocketError(ws, new Error('test'));
expect(ws.close).toHaveBeenCalledWith(1011, 'error');
});
});
describe('webSocketMessage', () => {
it('ignores messages (no-op)', () => {
const ws = mockWebSocket();
// Should not throw
room.webSocketMessage(ws, 'hello');
expect(ws.send).not.toHaveBeenCalled();
});
});
});