b39e095aa8
The firing-only filter and the helpers beside it move out of the page component into a plain module, with tests for the state match, the never-active time and the row key.
68 lines
2.1 KiB
JavaScript
68 lines
2.1 KiB
JavaScript
// Which alert instances the alerts page lists. Run by `npm test`, which Node
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// runs with its built-in test runner and type stripping, so the `.ts` module
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// is imported as it is.
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import assert from "node:assert/strict";
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import { test } from "node:test";
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import { activeSinceMs, alertKey, firingAlerts } from "../src/pages/alerts.ts";
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const alert = (name, state, extra = {}) => ({
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name,
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state,
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active_at: null,
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summary: null,
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labels: { instance: name },
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...extra,
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});
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test("only instances in the Alerting state are listed", () => {
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const all = [
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alert("a", "Alerting"),
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alert("b", "Pending"),
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alert("c", "NoData"),
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alert("d", "Error"),
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alert("e", "Alerting"),
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];
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assert.deepEqual(
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firingAlerts(all).map((a) => a.name),
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["a", "e"],
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);
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});
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test("nothing firing leaves the list empty, and the input is not changed", () => {
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const all = [alert("a", "Pending"), alert("b", "Error")];
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assert.deepEqual(firingAlerts(all), []);
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assert.equal(all.length, 2);
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assert.deepEqual(firingAlerts([]), []);
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});
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test("the state match is exact, so an unknown or lower-case state is left out", () => {
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assert.deepEqual(firingAlerts([alert("a", "alerting"), alert("b", "")]), []);
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});
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test("an instance that never became active has no active-since time", () => {
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assert.equal(activeSinceMs(alert("a", "Alerting")), null);
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assert.equal(
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activeSinceMs(
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alert("a", "Alerting", { active_at: "0001-01-01T00:00:00Z" }),
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),
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null,
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);
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assert.equal(
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activeSinceMs(alert("a", "Alerting", { active_at: "not a date" })),
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null,
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);
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assert.equal(
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activeSinceMs(
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alert("a", "Alerting", { active_at: "2026-10-18T08:00:00Z" }),
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),
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Date.parse("2026-10-18T08:00:00Z"),
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);
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});
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test("instances of one rule get different keys, whatever the label order", () => {
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const a = alert("r", "Alerting", { labels: { x: "1", y: "2" } });
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const b = alert("r", "Alerting", { labels: { y: "2", x: "1" } });
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const c = alert("r", "Alerting", { labels: { x: "1", y: "3" } });
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assert.equal(alertKey(a), alertKey(b));
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assert.notEqual(alertKey(a), alertKey(c));
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});
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