process.e2e-spec.ts

/* eslint-disable max-classes-per-file */
import { Module } from '@nestjs/common';
import { NestFactory } from '@nestjs/core';
import { ConfigModule } from '../src';
import { FirstConfig } from './fixtures/first.config';
import { SecondConfig } from './fixtures/second.config';
import { TestModule } from './fixtures/test.module';

describe('Process', () => {
  it('override', async () => {
    Object.assign(process.env, {
      FIRST__STRING_VAR: 'stringVar',
      FIRST__STRING_VAR_WITH_DEFAULT: 'stringVarWithDefault',
      FIRST__INT_VAR: '1',
      FIRST__INT_VAR_WITH_DEFAULT: '7',
      FIRST__NUMBER_VAR: '1.1',
      FIRST__NUMBER_VAR_WITH_DEFAULT: '7.7',
      FIRST__BOOL_VAR: 'true',
      FIRST__BOOL_VAR_WITH_DEFAULT: 'true',
    });

    @Module({
      imports: [ConfigModule.forRoot({ configs: [FirstConfig] }), TestModule],
    })
    class AppModule {}

    const app = await NestFactory.createApplicationContext(AppModule);

    const firstConfig = app.get<FirstConfig>(FirstConfig);
    const secondConfig = app.get<SecondConfig>(SecondConfig);

    expect(firstConfig).toMatchObject({
      stringVar: 'stringVar',
      stringVarWithDefault: 'stringVarWithDefault',
      intVar: 1,
      intVarWithDefault: 7,
      numberVar: 1.1,
      numberVarWithDefault: 7.7,
      boolVar: true,
      boolVarWithDefault: true,
    });
    expect(secondConfig).toMatchObject({
      variable: 'value',
    });

    await app.close();
  });
});