161 lines
10 KiB
TypeScript
161 lines
10 KiB
TypeScript
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
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import { newFixture, type Fixture } from '../helpers/fixture.js';
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let fixture: Fixture;
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beforeEach(async () => { vi.resetModules(); fixture = await newFixture([]); });
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afterEach(async () => { vi.restoreAllMocks(); await fixture.cleanup(); });
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describe('historical metrics', () => {
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it('weights occupancy by time and excludes failed checks and collection gaps', async () => {
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const { recordMetrics, readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const sample = { server: 'one', game: 't5', map: 'Moon', players: 2, capacity: 4 };
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const at = Date.UTC(2026, 0, 2, 12);
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recordMetrics([sample], at);
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recordMetrics([{ ...sample, players: 0 }], at + 30_000);
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recordMetrics([{ ...sample, players: null }], at + 60_000);
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const result = readMetrics(1, at + 3600_000);
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expect(result.summary.active * 3600).toBeCloseTo(30);
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expect(result.summary.idle * 3600).toBeCloseTo(30);
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expect(result.summary.unknown * 3600).toBeCloseTo(45);
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expect(result.summary.playerHours * 3600).toBeCloseTo(60);
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expect(result.points.reduce((sum, p) => sum + p.observed, 0)).toBeCloseTo(result.summary.observed);
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});
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it('only counts map saturation when every lobby has known capacity and is full', async () => {
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const { recordMetrics, readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const at = Date.UTC(2026, 0, 2, 12);
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const sample = { server: 'one', game: 't5', map: 'Moon', players: 4, capacity: 4 };
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recordMetrics([sample, { ...sample, server: 'two' }], at);
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recordMetrics([sample, { ...sample, server: 'two', players: 2 }], at + 30_000);
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recordMetrics([sample, { ...sample, server: 'two', capacity: null }], at + 60_000);
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recordMetrics([sample, { ...sample, server: 'two', players: null }], at + 90_000);
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const result = readMetrics(1, at + 120_000);
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expect(result.maps[0].full * 3600).toBeCloseTo(30);
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expect(result.maps[0].capacityObserved * 3600).toBeCloseTo(60);
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});
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it('clips the reporting window and splits observations across UTC chart boundaries', async () => {
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const { recordMetrics, readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const midnight = Date.UTC(2026, 0, 2);
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const sample = { server: 'one', game: 't5', map: 'Moon', players: 1, capacity: 4 };
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recordMetrics([sample], midnight - 15_000);
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let result = readMetrics(1, midnight + 15_000);
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expect(result.points.filter(p => p.active > 0).map(p => p.active * 3600)).toEqual([15, 15]);
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result = readMetrics(1, midnight + 86400_000);
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expect(result.summary.active * 3600).toBeCloseTo(30);
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expect(result.points.reduce((sum, p) => sum + p.active, 0)).toBeCloseTo(result.summary.active);
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});
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it('retains history without a live server and prunes observations older than 31 days', async () => {
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const { recordMetrics, readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const { db } = await import('../../src/lib/server/db/index.js');
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const at = Date.UTC(2026, 0, 2);
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const sample = { server: 'removed', game: 't6', map: 'Town', players: 1, capacity: null };
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recordMetrics([sample], at);
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expect(readMetrics(1, at + 30_000).servers[0].server).toBe('removed');
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recordMetrics([sample], at + 32 * 86400_000);
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expect(db().prepare('SELECT COUNT(*) AS n FROM metric_samples').get()).toEqual({ n: 1 });
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});
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it('distinguishes retained history, an empty range, and current collection targets', async () => {
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const { recordMetrics, readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const { db } = await import('../../src/lib/server/db/index.js');
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const at = Date.UTC(2026, 0, 2);
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expect(readMetrics(1, at)).toMatchObject({ firstRetainedSampleAt: null, latestSampleAt: null,
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registeredServerCount: 0, servers: [], maps: [] });
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db().prepare('INSERT INTO servers (name, komodo_name, destroyed_at) VALUES (?, ?, ?)').run('current', 'current', null);
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db().prepare('INSERT INTO servers (name, komodo_name, destroyed_at) VALUES (?, ?, ?)').run('removed', 'removed', new Date(at).toISOString());
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const sample = { server: 'removed', game: 't6', map: 'Town', players: 1, capacity: null };
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recordMetrics([sample], at);
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const emptyRange = readMetrics(1, at + 2 * 86400_000);
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expect(emptyRange).toMatchObject({ firstRetainedSampleAt: at, latestSampleAt: at,
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registeredServerCount: 1, servers: [], maps: [], summary: { observed: 0, unknown: 0 } });
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expect(emptyRange.points.every(point => point.observed === 0 && point.unknown === 0)).toBe(true);
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});
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it('keeps unknown status separate from no samples and preserves zero elapsed observations', async () => {
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const { recordMetrics, readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const at = Date.UTC(2026, 0, 2, 12);
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recordMetrics([{ server: 'one', game: 't5', map: 'Moon', players: null, capacity: null }], at);
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const initial = readMetrics(1, at);
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expect(initial.latestSampleAt).toBe(at);
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expect(initial.servers).toHaveLength(1);
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expect(initial.summary).toEqual({ observed: 0, active: 0, idle: 0, unknown: 0, playerHours: 0 });
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const later = readMetrics(1, at + 120_000);
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expect(later.summary.observed).toBe(0);
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expect(later.summary.unknown * 3600).toBeCloseTo(45);
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expect(later.maps[0].capacityObserved).toBe(0);
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});
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it('returns clipped interval boundaries and marks only partial UTC buckets', async () => {
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const { readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const now = Date.UTC(2026, 0, 8, 12, 30);
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for (const days of [1, 7, 30] as const) {
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const result = readMetrics(days, now);
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expect(result.points[0].startAt).toBe(result.since);
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expect(result.points.at(-1)?.endAt).toBe(now);
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expect(result.points[0].partial).toBe(true);
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expect(result.points.at(-1)?.partial).toBe(true);
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expect(result.points.slice(1, -1).every(point => !point.partial)).toBe(true);
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expect(result.points.reduce((ms, point) => ms + point.endAt - point.startAt, 0)).toBe(days * 86400_000);
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}
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expect(readMetrics(1, Date.UTC(2026, 0, 8, 12)).points.every(point => !point.partial)).toBe(true);
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});
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it('uses complete collection boundaries across fleet changes and keeps map pressure in wall time', async () => {
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const { recordMetrics, readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const at = Date.UTC(2026, 0, 2, 23, 59, 40);
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const one = { server: 'one', game: 't6', map: 'Town', players: 4, capacity: 4 };
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const two = { ...one, server: 'two' };
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recordMetrics([one, two], at);
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// Removing a lobby ends its previous observation at the next complete collection.
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recordMetrics([{ ...one, map: 'Farm', players: 0 }], at + 30_000);
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// A collection outage is excluded; an identically named map in another game remains separate.
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recordMetrics([{ ...one, game: 't5', players: 2, capacity: null }], at + 120_000);
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const result = readMetrics(1, at + 150_000);
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expect(result.summary.active * 3600).toBeCloseTo(90);
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expect(result.summary.idle * 3600).toBeCloseTo(45);
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expect(result.summary.playerHours * 3600).toBeCloseTo(300);
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expect(result.servers.find(server => server.server === 'two')!.observed * 3600).toBeCloseTo(30);
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const town = result.maps.find(map => map.game === 't6' && map.map === 'Town')!;
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expect(town.observed * 3600).toBeCloseTo(60);
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expect(town.capacityObserved * 3600).toBeCloseTo(30);
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expect(town.full * 3600).toBeCloseTo(30);
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expect(result.maps.find(map => map.game === 't5')!.capacityObserved).toBe(0);
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for (const field of ['observed', 'active', 'idle', 'unknown', 'playerHours'] as const) {
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expect(result.points.reduce((sum, point) => sum + point[field], 0)).toBeCloseTo(result.summary[field]);
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expect(result.servers.reduce((sum, server) => sum + server[field], 0)).toBeCloseTo(result.summary[field]);
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expect(result.maps.reduce((sum, map) => sum + map[field], 0)).toBeCloseTo(result.summary[field]);
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}
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});
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it('does not include future samples in collection metadata or aggregates', async () => {
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const { recordMetrics, readMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const at = Date.UTC(2026, 0, 2, 12);
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const sample = { server: 'one', game: 't5', map: 'Moon', players: 1, capacity: 4 };
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recordMetrics([sample], at);
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recordMetrics([{ ...sample, players: 4 }], at + 60_000);
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const result = readMetrics(1, at + 30_000);
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expect(result.latestSampleAt).toBe(at);
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expect(result.summary.playerHours * 3600).toBeCloseTo(30);
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});
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it('shares the range parser and response contract between SSR and the uncached refresh endpoint', async () => {
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const { recordMetrics } = await import('../../src/lib/server/fleet/metrics.js');
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const { GET } = await import('../../src/routes/api/metrics/+server.js');
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const { load } = await import('../../src/routes/metrics/+page.server.js');
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const at = Date.UTC(2026, 0, 2, 12);
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recordMetrics([{ server: 'one', game: 't5', map: 'Moon', players: 2, capacity: 4 }], at);
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vi.spyOn(Date, 'now').mockReturnValue(at + 30_000);
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for (const range of ['1', '7', '30', 'invalid', '365', '-1', '']) {
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const url = new URL(`http://localhost/metrics?days=${range}`);
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const response = GET({ url });
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const payload = await response.json();
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expect(response.headers.get('cache-control')).toBe('no-store');
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expect(payload).toEqual(await load({ url } as Parameters<typeof load>[0]));
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expect(payload.days).toBe(['1', '7', '30'].includes(range) ? Number(range) : 7);
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}
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expect((await GET({ url: new URL('http://localhost/api/metrics') }).json()).days).toBe(7);
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});
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});
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