import * as path from 'path';
import * as fs from 'fs';

import {JsonSerializer} from './json';
import {SchemaClassFactory} from '../schema-class-factory';
import {RootSchemaTreeNode} from '../schema-tree';


describe('JsonSerializer', () => {
  for (const nb of [1, 2, 3]) {
    it(`works (${nb})`, () => {
      const schemaJsonFilePath = path.join(__dirname, `../../tests/serializer/schema${nb}.json`);
      const schemaJson = JSON.parse(fs.readFileSync(schemaJsonFilePath, 'utf-8'));
      const valueJsonFilePath = path.join(__dirname, `../../tests/serializer/value${nb}.json`);
      const valueJson = JSON.parse(fs.readFileSync(valueJsonFilePath, 'utf-8'));

      const schemaClass = new (SchemaClassFactory(schemaJson))(valueJson);
      const schema: RootSchemaTreeNode = schemaClass.$$schema();

      let str = '';
      function writer(s: string) {
        str += s;
      }

      const serializer = new JsonSerializer(writer);

      serializer.start();
      schema.serialize(serializer);
      serializer.end();

      expect(JSON.stringify(JSON.parse(str))).toEqual(JSON.stringify(valueJson));
    });
  }
});