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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { test, testPerm, assert } from "./test_util.ts";
test(async function metrics() {
const m1 = Deno.metrics();
assert(m1.opsDispatched > 0);
assert(m1.opsCompleted > 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([41, 42, 43]);
await Deno.stdout.write(dataMsg);
const m2 = Deno.metrics();
assert(m2.opsDispatched > m1.opsDispatched);
assert(m2.opsCompleted > m1.opsCompleted);
assert(m2.bytesSentControl > m1.bytesSentControl);
assert(m2.bytesSentData >= m1.bytesSentData + dataMsg.byteLength);
assert(m2.bytesReceived > m1.bytesReceived);
});
testPerm({ write: true }, function metricsUpdatedIfNoResponseSync() {
const filename = Deno.makeTempDirSync() + "/test.txt";
const data = new Uint8Array([41, 42, 43]);
Deno.writeFileSync(filename, data, { perm: 0o666 });
const metrics = Deno.metrics();
assert(metrics.opsDispatched === metrics.opsCompleted);
});
testPerm({ write: true }, async function metricsUpdatedIfNoResponseAsync() {
const filename = Deno.makeTempDirSync() + "/test.txt";
const data = new Uint8Array([41, 42, 43]);
await Deno.writeFile(filename, data, { perm: 0o666 });
const metrics = Deno.metrics();
assert(metrics.opsDispatched === metrics.opsCompleted);
});
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