All files / libs/kernel/testing/server/bed/src helpers.ts

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import { Logger, type INestApplication } from '@nestjs/common';
import { padStart } from 'lodash-es';
import { DataSource, type QueryRunner } from 'typeorm';

import { toError } from '@amalia/ext/typescript';

const logger = new Logger('TestHelpers');

export const promiseWait = (time: number) =>
  new Promise((resolve) => {
    if (process.env['NODE_ENV'] !== 'test') {
      logger.error('This should only be used during testing!');
    }

    setTimeout(() => resolve(null), time);
  });

export const wrapWithTransaction = async <TResult>(
  app: INestApplication,
  callback: (queryRunner: QueryRunner) => Promise<TResult>,
) => {
  if (process.env['NODE_ENV'] !== 'test') {
    logger.error('This should only be used during testing!');
  }

  const queryRunner = app.get(DataSource).createQueryRunner();
  try {
    await queryRunner.connect();
    await queryRunner.startTransaction();
    await callback(queryRunner);
    await queryRunner.commitTransaction();
  } catch (err) {
    logger.error(toError(err).message, toError(err).stack);
    await queryRunner.rollbackTransaction();
    throw new Error('Test failed');
  } finally {
    await queryRunner.release();
  }
};

export const generateFakeUuid = (n: number = 0) => {
  const paddedN = padStart(`${n}`, 12, '0');
  return `00000000-0000-0000-0000-${paddedN}`;
};

const removeNewLines = (str: string) =>
  str.replaceAll(/\n\s/gu, ' ').replaceAll('\n', ' ').replaceAll(/\s+/gu, ' ').trim();

export const expectStringsEqualsIgnoringNewLines = (a: string, b: string) => {
  expect(removeNewLines(a)).toEqual(removeNewLines(b));
};