Initial import of verae-staff-iam from zapier monorepo

test/roles.test.js

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+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { expandRoles, allows, ROLES } from '../src/roles.js';
+import { StaffIam } from '../src/store.js';
+import { verifyPassword } from '../src/passwords.js';
+
+test('owner expands to all permissions', () => {
+  assert.deepEqual(expandRoles(['owner']), ['*']);
+  assert.equal(allows(['*'], 'cs.credit'), true);
+  assert.equal(allows(expandRoles(['cs']), 'cs.credit'), true);
+  assert.equal(allows(expandRoles(['cs']), 'accounting.export'), false);
+  assert.ok(ROLES.sales);
+});
+
+test('sessions persist in dump/load', () => {
+  const iam = new StaffIam().seed();
+  const u = iam.findByUsername('cs');
+  const tok = iam.issueSession(u.id);
+  const raw = iam.dump();
+  const b = new StaffIam().load(raw);
+  assert.equal(b.getSession(tok).userId, u.id);
+});
+
+test('cannot deactivate last owner; passwords hash', () => {
+  const iam = new StaffIam().seed();
+  const owner = iam.findByUsername('admin');
+  assert.ok(verifyPassword(process.env.ADMIN_KEY || 'admin-dev-key', owner.passwordHash));
+  assert.throws(() => iam.update('admin', { active: false }, 'admin'), /last owner/);
+  const cs = iam.create({ username: 'anna', password: 'anna-pass-1', name: 'Anna', roles: ['cs'], actor: 'admin' });
+  assert.deepEqual(cs.roles, ['cs']);
+});