refactor(core): Use injectable classes for db repositories (part-1) (no-changelog) (#5953)

Co-authored-by: ricardo <ricardoespinoza105@gmail.com>

packages/cli/test/unit/repositories/role.repository.test.ts

@@ -0,0 +1,47 @@
+import { Container } from 'typedi';
+import { DataSource, EntityManager } from 'typeorm';
+import { mock } from 'jest-mock-extended';
+import { Role, RoleNames, RoleScopes } from '@db/entities/Role';
+import { RoleRepository } from '@db/repositories/role.repository';
+import { mockInstance } from '../../integration/shared/utils';
+import { randomInteger } from '../../integration/shared/random';
+
+describe('RoleRepository', () => {
+	const entityManager = mockInstance(EntityManager);
+	const dataSource = mockInstance(DataSource, { manager: entityManager });
+	dataSource.getMetadata.mockReturnValue(mock());
+	Object.assign(entityManager, { connection: dataSource });
+	const roleRepository = Container.get(RoleRepository);
+
+	describe('findRole', () => {
+		test('should return the role when present', async () => {
+			entityManager.findOne.mockResolvedValueOnce(createRole('global', 'owner'));
+			const role = await roleRepository.findRole('global', 'owner');
+			expect(role?.name).toEqual('owner');
+			expect(role?.scope).toEqual('global');
+		});
+
+		test('should return null otherwise', async () => {
+			entityManager.findOne.mockResolvedValueOnce(null);
+			const role = await roleRepository.findRole('global', 'owner');
+			expect(role).toEqual(null);
+		});
+	});
+
+	describe('findRoleOrFail', () => {
+		test('should return the role when present', async () => {
+			entityManager.findOneOrFail.mockResolvedValueOnce(createRole('global', 'owner'));
+			const role = await roleRepository.findRoleOrFail('global', 'owner');
+			expect(role?.name).toEqual('owner');
+			expect(role?.scope).toEqual('global');
+		});
+
+		test('should throw otherwise', async () => {
+			entityManager.findOneOrFail.mockRejectedValueOnce(new Error());
+			expect(() => roleRepository.findRoleOrFail('global', 'owner')).rejects.toThrow();
+		});
+	});
+
+	const createRole = (scope: RoleScopes, name: RoleNames) =>
+		Object.assign(new Role(), { name, scope, id: `${randomInteger()}` });
+});