import { it, describe, expect } from 'vitest';

import { createStdSync } from '../std-sync/std-sync.js';

describe('Sync', () => {
  describe('Registry', () => {
    describe('Behavior', () => {
      it.each([
        null,
        {},
        { values: [] },
        { values: [], persist: 'yes' },
        { values: {}, persist: true },
      ])('rejects an invalid broadcast message: %j', (message) => {
        const registry = createStdSync({ name: 'registry' }).registry();

        expect(() => registry.process(message as never)).toThrow(
          '[sync] registry.process requires { values: Entity[]; persist: boolean }.',
        );
      });

      it('accepts an empty broadcast', () => {
        const registry = createStdSync({ name: 'registry' }).registry();

        expect(() =>
          registry.process({ values: [], persist: false }),
        ).not.toThrow();
      });

      it('rejects a malformed entity in a broadcast', () => {
        const registry = createStdSync({ name: 'registry' }).registry();

        expect(() =>
          registry.process({
            values: [{ value: { id: 'a' }, meta: { _e: 'Item' } }],
            persist: true,
          }),
        ).toThrow(
          '[sync] registry.process requires { values: Entity[]; persist: boolean }.',
        );
      });
    });
  });
});