Files
memegoat/backend/src/database/database.service.spec.ts

68 lines
1.6 KiB
TypeScript

import { ConfigService } from "@nestjs/config";
import { Test, TestingModule } from "@nestjs/testing";
import { DatabaseService } from "./database.service";
jest.mock("pg", () => {
const mPool = {
connect: jest.fn(),
query: jest.fn(),
end: jest.fn(),
on: jest.fn(),
};
return { Pool: jest.fn(() => mPool) };
});
jest.mock("drizzle-orm/node-postgres", () => ({
drizzle: jest.fn().mockReturnValue({}),
}));
describe("DatabaseService", () => {
let service: DatabaseService;
let _configService: ConfigService;
const mockConfigService = {
get: jest.fn((key) => {
const config = {
POSTGRES_PASSWORD: "p",
POSTGRES_USER: "u",
POSTGRES_HOST: "h",
POSTGRES_PORT: "5432",
POSTGRES_DB: "db",
NODE_ENV: "development",
};
return config[key];
}),
};
beforeEach(async () => {
const module: TestingModule = await Test.createTestingModule({
providers: [
DatabaseService,
{ provide: ConfigService, useValue: mockConfigService },
],
}).compile();
service = module.get<DatabaseService>(DatabaseService);
_configService = module.get<ConfigService>(ConfigService);
});
it("should be defined", () => {
expect(service).toBeDefined();
});
describe("onModuleInit", () => {
it("should skip migrations in development", async () => {
await service.onModuleInit();
expect(mockConfigService.get).toHaveBeenCalledWith("NODE_ENV");
});
});
describe("onModuleDestroy", () => {
it("should close pool", async () => {
const pool = (service as any).pool;
await service.onModuleDestroy();
expect(pool.end).toHaveBeenCalled();
});
});
});