test(core): Move unit tests closer to testable components (no-changelog) (#10287)

packages/cli/src/databases/utils/__tests__/customValidators.test.ts

@@ -0,0 +1,43 @@
+import { NoXss } from '@db/utils/customValidators';
+import { validate } from 'class-validator';
+
+describe('customValidators', () => {
+	describe('NoXss', () => {
+		class Person {
+			@NoXss()
+			name: string;
+		}
+		const person = new Person();
+
+		const invalidNames = ['http://google.com', '<script src/>', 'www.domain.tld'];
+
+		const validNames = [
+			'Johann Strauß',
+			'Вагиф Сәмәдоғлу',
+			'René Magritte',
+			'সুকুমার রায়',
+			'མགོན་པོ་རྡོ་རྗེ།',
+			'عبدالحليم حافظ',
+		];
+
+		describe('Block XSS', () => {
+			for (const name of invalidNames) {
+				test(name, async () => {
+					person.name = name;
+					const validationErrors = await validate(person);
+					expect(validationErrors[0].property).toEqual('name');
+					expect(validationErrors[0].constraints).toEqual({ NoXss: 'Malicious name' });
+				});
+			}
+		});
+
+		describe('Allow Valid names', () => {
+			for (const name of validNames) {
+				test(name, async () => {
+					person.name = name;
+					expect(await validate(person)).toBeEmptyArray();
+				});
+			}
+		});
+	});
+});

packages/cli/src/databases/utils/__tests__/migrationHelpers.test.ts

@@ -0,0 +1,66 @@
+import type { IrreversibleMigration, ReversibleMigration } from '@/databases/types';
+import { wrapMigration } from '@/databases/utils/migrationHelpers';
+
+describe('migrationHelpers.wrapMigration', () => {
+	test('throws if passed a migration without up method', async () => {
+		//
+		// ARRANGE
+		//
+		class TestMigration {}
+
+		//
+		// ACT & ASSERT
+		//
+		expect(() => wrapMigration(TestMigration as never)).toThrow(
+			'Migration "TestMigration" is missing the method `up`.',
+		);
+	});
+
+	test('wraps up method', async () => {
+		//
+		// ARRANGE
+		//
+		class TestMigration implements IrreversibleMigration {
+			async up() {}
+		}
+		const originalUp = jest.fn();
+		TestMigration.prototype.up = originalUp;
+
+		//
+		// ACT
+		//
+		wrapMigration(TestMigration);
+		await new TestMigration().up();
+
+		//
+		// ASSERT
+		//
+		expect(TestMigration.prototype.up).not.toBe(originalUp);
+		expect(originalUp).toHaveBeenCalledTimes(1);
+	});
+
+	test('wraps down method', async () => {
+		//
+		// ARRANGE
+		//
+		class TestMigration implements ReversibleMigration {
+			async up() {}
+
+			async down() {}
+		}
+		const originalDown = jest.fn();
+		TestMigration.prototype.down = originalDown;
+
+		//
+		// ACT
+		//
+		wrapMigration(TestMigration);
+		await new TestMigration().down();
+
+		//
+		// ASSERT
+		//
+		expect(TestMigration.prototype.down).not.toBe(originalDown);
+		expect(originalDown).toHaveBeenCalledTimes(1);
+	});
+});