code-server/test/unit/routes/health.test.ts

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import * as httpserver from "../../utils/httpserver"
import * as integration from "../../utils/integration"
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describe("health", () => {
let codeServer: httpserver.HttpServer | undefined
afterEach(async () => {
if (codeServer) {
await codeServer.close()
codeServer = undefined
}
})
it("/healthz", async () => {
codeServer = await integration.setup(["--auth=none"], "")
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const resp = await codeServer.fetch("/healthz")
expect(resp.status).toBe(200)
const json = await resp.json()
expect(json).toStrictEqual({ lastHeartbeat: 0, status: "expired" })
})
it("/healthz (websocket)", async () => {
codeServer = await integration.setup(["--auth=none"], "")
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const ws = codeServer.ws("/healthz")
const message = await new Promise((resolve, reject) => {
ws.on("error", console.error)
ws.on("message", (message) => {
try {
const j = JSON.parse(message.toString())
resolve(j)
} catch (error) {
reject(error)
}
})
ws.on("open", () => ws.send(JSON.stringify({ event: "health" })))
})
ws.terminate()
expect(message).toStrictEqual({ event: "health", status: "expired", lastHeartbeat: 0 })
})
})