[英]How to mock Sequelize functions in Typescript
我正在编写单元测试用例,我的 function 中有 sequelize.transaction。 如何模拟 sequelize.transaction function。
我的 function 看起来像
create = async (req: Request) => {
await sequelize.transaction(async (t) => {
// Lock Test Balance Row
const testBalance = await this.testBalanceDAL.findByTestTypeAndUserIdForUpdate(
testTypeId,
userId,
t
);.....`
const sequelize = require('sequelize');
jest.mock('sequelize', () => ({
transaction: jest.fn(() => Promise.resolve()),
}));
describe('...', () => {
it('should ...', () => {
sequelize.transaction.mockImplementation(() => { ... });
expect(sequelize.transaction).toBeCalled();
});
});
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