59 lines
1.8 KiB
TypeScript
59 lines
1.8 KiB
TypeScript
import { Test, TestingModule } from '@nestjs/testing';
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import { PrismaHealthIndicatorUseCase } from '../../domain/usecases/prisma.health-indicator.usecase';
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import { ConfigurationRepository } from '../../../configuration/adapters/secondaries/configuration.repository';
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import { PrismaClientKnownRequestError } from '@prisma/client/runtime';
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import { HealthCheckError, HealthIndicatorResult } from '@nestjs/terminus';
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const mockConfigurationRepository = {
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healthCheck: jest
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.fn()
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.mockImplementationOnce(() => {
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return Promise.resolve(true);
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})
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.mockImplementation(() => {
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throw new PrismaClientKnownRequestError('Service unavailable', {
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code: 'code',
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clientVersion: 'version',
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});
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}),
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};
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describe('PrismaHealthIndicatorUseCase', () => {
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let prismaHealthIndicatorUseCase: PrismaHealthIndicatorUseCase;
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beforeAll(async () => {
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const module: TestingModule = await Test.createTestingModule({
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providers: [
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{
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provide: ConfigurationRepository,
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useValue: mockConfigurationRepository,
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},
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PrismaHealthIndicatorUseCase,
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],
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}).compile();
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prismaHealthIndicatorUseCase = module.get<PrismaHealthIndicatorUseCase>(
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PrismaHealthIndicatorUseCase,
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);
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});
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it('should be defined', () => {
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expect(prismaHealthIndicatorUseCase).toBeDefined();
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});
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describe('execute', () => {
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it('should check health successfully', async () => {
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const healthIndicatorResult: HealthIndicatorResult =
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await prismaHealthIndicatorUseCase.isHealthy('prisma');
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expect(healthIndicatorResult['prisma'].status).toBe('up');
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});
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it('should throw an error if database is unavailable', async () => {
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await expect(
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prismaHealthIndicatorUseCase.isHealthy('prisma'),
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).rejects.toBeInstanceOf(HealthCheckError);
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});
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});
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});
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