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feat(client): add latency histogram (#3099)

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* add latency histogram command, tests (##1955)
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Trofymenko Vladyslav
2025-11-03 14:05:58 +02:00
committed by GitHub
parent 38bfaa7c90
commit dae47b4820
3 changed files with 142 additions and 0 deletions
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93
packages/client/lib/commands/LATENCY_HISTOGRAM.spec.ts Normal file
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import assert from "node:assert/strict";
import testUtils, { GLOBAL } from "../test-utils";
import LATENCY_HISTOGRAM from "./LATENCY_HISTOGRAM";
import { parseArgs } from "./generic-transformers";
describe("LATENCY HISTOGRAM", () => {
describe("transformArguments", () => {
it("filtered by command set", () => {
assert.deepEqual(parseArgs(LATENCY_HISTOGRAM, "set"), [
"LATENCY",
"HISTOGRAM",
"set",
]);
});
it("unfiltered", () => {
assert.deepEqual(parseArgs(LATENCY_HISTOGRAM), [
"LATENCY",
"HISTOGRAM",
]);
});
});
describe("RESP 2", () => {
testUtils.testWithClient(
"unfiltered list",
async (client) => {
await client.configResetStat();
await Promise.all([
client.lPush("push-key", "hello "),
client.set("set-key", "world!"),
]);
const histogram = await client.latencyHistogram();
const commands = ["config|resetstat", "set", "lpush"];
for (const command of commands) {
assert.ok(typeof histogram[command]["calls"], "number");
}
},
GLOBAL.SERVERS.OPEN,
);
testUtils.testWithClient(
"filtered by a command list",
async (client) => {
await client.configSet("latency-monitor-threshold", "100");
await client.set("set-key", "hello");
const histogram = await client.latencyHistogram("set");
assert.ok(typeof histogram.set["calls"], "number");
},
GLOBAL.SERVERS.OPEN,
);
});
describe("RESP 3", () => {
testUtils.testWithClient(
"unfiltered list",
async (client) => {
await client.configResetStat();
await Promise.all([
client.lPush("push-key", "hello "),
client.set("set-key", "world!"),
]);
const histogram = await client.latencyHistogram();
const commands = ["config|resetstat", "set", "lpush"];
for (const command of commands) {
assert.ok(typeof histogram[command]["calls"], "number");
}
},
{
...GLOBAL.SERVERS.OPEN,
clientOptions: {
RESP: 3,
},
},
);
testUtils.testWithClient(
"filtered by a command list",
async (client) => {
await client.configSet("latency-monitor-threshold", "100");
await client.set("set-key", "hello");
const histogram = await client.latencyHistogram("set");
assert.ok(typeof histogram.set["calls"], "number");
},
{
...GLOBAL.SERVERS.OPEN,
clientOptions: {
RESP: 3,
},
},
);
});
});