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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { unitTest, assert } from "./test_util.ts";
unitTest(async function metrics(): Promise<void> {
const m1 = Deno.metrics();
assert(m1.opsDispatched > 0);
assert(m1.opsDispatchedSync > 0);
assert(m1.opsCompleted > 0);
assert(m1.opsCompletedSync > 0);
assert(m1.bytesSentControl > 0);
assert(m1.bytesSentData >= 0);
assert(m1.bytesReceived > 0);
// Write to stdout to ensure a "data" message gets sent instead of just
// control messages.
const dataMsg = new Uint8Array([13, 13, 13]); // "\r\r\r",
await Deno.stdout.write(dataMsg);
const m2 = Deno.metrics();
assert(m2.opsDispatched > m1.opsDispatched);
assert(m2.opsDispatchedSync > m1.opsDispatchedSync);
assert(m2.opsDispatchedAsync > m1.opsDispatchedAsync);
assert(m2.opsCompleted > m1.opsCompleted);
assert(m2.opsCompletedSync > m1.opsCompletedSync);
assert(m2.opsCompletedAsync > m1.opsCompletedAsync);
assert(m2.bytesSentControl > m1.bytesSentControl);
assert(m2.bytesSentData >= m1.bytesSentData + dataMsg.byteLength);
assert(m2.bytesReceived > m1.bytesReceived);
});
unitTest(
{ perms: { write: true } },
function metricsUpdatedIfNoResponseSync(): void {
const filename = Deno.makeTempDirSync() + "/test.txt";
const data = new Uint8Array([41, 42, 43]);
Deno.writeFileSync(filename, data, { mode: 0o666 });
const metrics = Deno.metrics();
assert(metrics.opsDispatched === metrics.opsCompleted);
assert(metrics.opsDispatchedSync === metrics.opsCompletedSync);
}
);
unitTest(
{ perms: { write: true } },
async function metricsUpdatedIfNoResponseAsync(): Promise<void> {
const filename = Deno.makeTempDirSync() + "/test.txt";
const data = new Uint8Array([41, 42, 43]);
await Deno.writeFile(filename, data, { mode: 0o666 });
const metrics = Deno.metrics();
assert(metrics.opsDispatched === metrics.opsCompleted);
assert(metrics.opsDispatchedSync === metrics.opsCompletedSync);
assert(metrics.opsDispatchedAsync === metrics.opsCompletedAsync);
}
);
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