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denoland-deno/tests/testdata/run/websocket_server_idletimeout.ts
Matt Mastracci b6e44f91ad
fix(cli): ensure that pre- and post-test output is flushed at the appropriate times (#22611)
Some `deno_std` tests were failing to print output that was resolved
after the last test finished. In addition, output printed before tests
began would sometimes appear above the "running X tests ..." line, and
sometimes below it depending on timing.

We now guarantee that all output is flushed before and after tests run,
making the output consistent.

Pre-test and post-test output are captured in `------ pre-test output
------` and `------ post-test output ------` blocks to differentiate
them from the regular output blocks.

Here's an example of a test (that is much noisier than normal, but an
example of what the output will look like):

```
Check ./load_unload.ts
------- pre-test output -------
load
----- output end -----
running 1 test from ./load_unload.ts
test ...
------- output -------
test
----- output end -----
test ... ok ([WILDCARD])
------- post-test output -------
unload
----- output end -----
```
2024-02-28 22:12:21 +00:00

29 lines
894 B
TypeScript

import { assertEquals } from "../../../tests/util/std/assert/mod.ts";
const errorDeferred = Promise.withResolvers<void>();
const closeDeferred = Promise.withResolvers<void>();
const listener = Deno.listen({ port: 4509 });
console.log("READY");
const httpConn = Deno.serveHttp(await listener.accept());
const { request, respondWith } = (await httpConn.nextRequest())!;
const { response, socket } = Deno.upgradeWebSocket(request, {
idleTimeout: 1,
});
socket.onerror = (e) => {
console.log(e);
assertEquals((e as ErrorEvent).message, "No response from ping frame.");
errorDeferred.resolve();
};
socket.onclose = (e) => {
console.log(e);
assertEquals(e.reason, "No response from ping frame.");
closeDeferred.resolve();
};
await respondWith(response);
await errorDeferred.promise;
await closeDeferred.promise;
// TODO(mmastrac): this doesn't exit on its own. Why?
Deno.exit(123);