malice

import assert from 'node:assert/strict';

import { test } from 'node:test';

import { allowed, isMuted, levelOf, parsePowerLevels } from '../src/lib/permissions.ts';

const levels = parsePowerLevels({

  ban: 50,

  kick: 50,

  events_default: 0,

  state_default: 50,

  users_default: 0,

  users: [['@mod:x', 50], ['@admin:x', 100], ['@muted:x', -1]],

  events: [['m.room.power_levels', 100]],

  creators: ['@creator:x']

})!;

test('levels come from users, the default, or creator rank', () => {

  assert.equal(levelOf(levels, '@admin:x'), 100);

  assert.equal(levelOf(levels, '@someone:x'), 0);

  assert.equal(levelOf(levels, '@creator:x'), Infinity);

  assert.equal(isMuted(levels, '@muted:x'), true);

  assert.equal(isMuted(levels, '@someone:x'), false);

});

test('you can only act on people below you', () => {

  assert.deepEqual(allowed(levels, '@mod:x', '@someone:x'), { kick: true, ban: true, setLevel: false, maxLevel: 50 });

  assert.equal(allowed(levels, '@mod:x', '@admin:x').kick, false);

  assert.equal(allowed(levels, '@mod:x', '@mod:x').kick, false);

  assert.equal(allowed(levels, '@admin:x', '@mod:x').setLevel, true);

  assert.equal(allowed(levels, '@admin:x', '@creator:x').ban, false);

  assert.equal(allowed(levels, '@creator:x', '@admin:x').setLevel, true);

});

test('anyone can delete their own messages but others need the redact level', async () => {

  const { canRedact } = await import('../src/lib/permissions.ts');

  assert.equal(canRedact(levels, '@someone:x', '@someone:x'), true);

  assert.equal(canRedact(levels, '@someone:x', '@mod:x'), false);

  assert.equal(canRedact(levels, '@mod:x', '@someone:x'), true);

  assert.equal(canRedact(levels, '@muted:x', '@muted:x'), false);

});