Files
electric-cherry/tests/unit/autoscaling-policies.test.ts
T

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TypeScript

import { afterEach, beforeEach, expect, it, vi } from 'vitest';
import { newFixture, type Fixture } from '../helpers/fixture.js';
import { prepareNativeHost } from '../helpers/native-host.js';
import { routePermission, roleAllows } from '../../src/lib/server/auth/access.js';
let fixture: Fixture;
beforeEach(async () => {
vi.resetModules(); fixture = await newFixture([]);
await prepareNativeHost();
const { db } = await import('../../src/lib/server/db/index.js');
for (const n of [3, 8, 9, 10]) db().prepare("INSERT INTO server_keys(id,game,pluto_key) VALUES(?,'t6',?)").run(`key-${n}`, `secret-${n}`);
});
afterEach(async () => { await fixture.cleanup(); vi.useRealTimers(); });
const settings = { game: 't6', mapSlug: 'town', maximum: 4, mode: 'create-destroy' };
it('persists deduplicated paused decisions across restart without provisioning or reservations', async () => {
const { db, closeDb } = await import('../../src/lib/server/db/index.js');
const scaling = await import('../../src/lib/server/autoscaling/index.js');
const preview = scaling.previewScaling(settings);
const saved = scaling.saveScaling(settings, undefined, undefined, preview.token);
scaling.setScalingGlobalPause(true);
await scaling.runAutoscaling(); await scaling.runAutoscaling();
closeDb();
await scaling.runAutoscaling();
const view = scaling.scalingReport().policies[0];
expect(view.policy.id).toBe(saved.id);
expect(view.history).toHaveLength(1);
expect(view.decision).toMatchObject({ action: 'wait', server: null });
expect(JSON.stringify(view)).not.toContain('secret');
for (const table of ['server_deployments', 'native_creation_intents', 'native_instances']) expect(db().prepare(`SELECT COUNT(*) AS n FROM ${table}`).get()).toEqual({ n: 0 });
});
it('rejects duplicate policies, stale edits and changed previews', async () => {
const scaling = await import('../../src/lib/server/autoscaling/index.js');
const preview = scaling.previewScaling(settings);
const saved = scaling.saveScaling(settings, undefined, undefined, preview.token);
expect(() => scaling.saveScaling(settings, undefined, undefined, preview.token)).toThrow('overlapping policy');
expect(() => scaling.previewScaling(settings, saved.id, 0)).toThrow('changed');
expect(() => scaling.saveScaling({ ...settings, maximum: 5 }, saved.id, saved.revision, preview.token)).toThrow('preview changed');
const { db } = await import('../../src/lib/server/db/index.js');
const beforeKeyLoss = scaling.previewScaling(settings, saved.id, saved.revision);
db().prepare("DELETE FROM server_keys WHERE id='key-10'").run();
expect(() => scaling.saveScaling(settings, saved.id, saved.revision, beforeKeyLoss.token)).toThrow('preview changed');
expect(scaling.saveScaling(settings, saved.id, saved.revision, scaling.previewScaling(settings, saved.id, saved.revision).token).maximum).toBe(4);
});
it('pauses evaluations and prunes expired observations without deleting current history', async () => {
const scaling = await import('../../src/lib/server/autoscaling/index.js');
const { db } = await import('../../src/lib/server/db/index.js');
db().prepare('DELETE FROM server_keys').run();
scaling.saveScaling(settings, undefined, undefined, scaling.previewScaling(settings).token);
await scaling.runAutoscaling();
scaling.setScalingGlobalPause(true); await scaling.runAutoscaling();
expect(scaling.scalingReport().policies[0].decision.reason).toContain('globally paused');
const id = scaling.scalingReport().policies[0].history[0].id;
db().prepare('UPDATE autoscaling_decisions SET last_seen_at=0 WHERE id!=?').run(id);
scaling.pruneAutoscaling();
expect(scaling.scalingReport().policies[0].history).toHaveLength(1);
});
it('uses fleet authorization for page, reads, and mutations', () => {
expect(routePermission('/autoscaling', 'GET')).toBe('viewer');
expect(routePermission('/api/autoscaling', 'GET')).toBe('viewer');
expect(roleAllows('viewer', routePermission('/api/autoscaling', 'POST'))).toBe(false);
expect(roleAllows('operator', routePermission('/api/autoscaling', 'POST'))).toBe(true);
});
it.each(['dry-run', 'create-only'])('rejects removed %s mode through the API', async mode => {
const { POST } = await import('../../src/routes/api/autoscaling/+server.js');
for (const action of ['preview', 'save']) {
const response = await POST({ request: new Request('http://localhost/api/autoscaling', {
method: 'POST', body: JSON.stringify({ action, settings: { ...settings, mode } })
}) });
expect(response.status).toBe(400);
expect(await response.json()).toMatchObject({ error: 'Choose a valid autoscaling mode.' });
}
});
it.each(['dry-run', 'create-only'])('turns saved %s policies off once on upgrade', async mode => {
const { db, closeDb } = await import('../../src/lib/server/db/index.js');
const scaling = await import('../../src/lib/server/autoscaling/index.js');
const saved = scaling.saveScaling(settings, undefined, undefined, scaling.previewScaling(settings).token);
const otherSettings = { ...settings, mapSlug: 'farm' };
const other = scaling.saveScaling(otherSettings, undefined, undefined, scaling.previewScaling(otherSettings).token);
db().prepare('UPDATE autoscaling_policies SET mode=?,settings=json_set(settings,\'$.mode\',?) WHERE id=?').run(mode, mode, saved.id);
closeDb();
const migrated = scaling.getScalingPolicy(saved.id)!;
expect(migrated).toMatchObject({ mode: 'off', revision: saved.revision + 1, maximum: saved.maximum,
pausedReason: expect.stringContaining('mode was removed') });
expect(db().prepare('SELECT owns_map,json_extract(settings,\'$.mode\') AS mode FROM autoscaling_policies WHERE id=?').get(saved.id))
.toEqual({ owns_map: 0, mode: 'off' });
expect(scaling.getScalingPolicy(other.id)).toEqual(other);
closeDb();
expect(scaling.getScalingPolicy(saved.id)).toEqual(migrated);
const resumed = scaling.saveScaling(settings, migrated.id, migrated.revision,
scaling.previewScaling(settings, migrated.id, migrated.revision).token);
expect(resumed).toMatchObject({ mode: 'create-destroy', pausedReason: null });
});
it.each([false, true])('reconciles removed-mode creation while preserving submitted work: %s', async submitted => {
const { db, closeDb } = await import('../../src/lib/server/db/index.js');
const scaling = await import('../../src/lib/server/autoscaling/index.js');
const saved = scaling.saveScaling(settings, undefined, undefined, scaling.previewScaling(settings).token);
await scaling.runAutoscaling();
const { operation_id: id } = db().prepare('SELECT operation_id FROM autoscaling_decisions WHERE resolved=0').get() as { operation_id: string };
db().prepare("UPDATE autoscaling_policies SET mode='create-only',settings=json_set(settings,'$.mode','create-only') WHERE id=?").run(saved.id);
if (submitted) db().prepare('UPDATE server_deployments SET submitted_at=? WHERE id=?').run(new Date().toISOString(), id);
closeDb();
expect(scaling.getScalingPolicy(saved.id)?.mode).toBe('off');
expect(db().prepare('SELECT owns_map FROM autoscaling_policies WHERE id=?').get(saved.id)).toEqual({ owns_map: 1 });
expect(await scaling.runAutoscaling()).toBe(false);
expect(db().prepare('SELECT state FROM server_deployments WHERE id=?').get(id)).toEqual({ state: submitted ? 'queued' : 'cancelled' });
expect(db().prepare('SELECT owns_map FROM autoscaling_policies WHERE id=?').get(saved.id)).toEqual({ owns_map: submitted ? 1 : 0 });
expect(db().prepare('SELECT COUNT(*) AS n FROM server_key_leases').get()).toEqual({ n: submitted ? 1 : 0 });
expect(db().prepare("SELECT COUNT(*) AS n FROM server_deployments WHERE action='create'").get()).toEqual({ n: 1 });
});