I am trying to mock a simple function in my service class.
// hello.controller.ts
@Get()
async getHello(): Promise<string> {
const result = await this.helloService.getHello();
return result;
}
// hello.service.ts
export class HelloService {
getHello(): string {
return 'Hello World!';
}
}
// mock.ts
export const mockHello = jest.fn((): string => {
return 'Hello World!';
});
jest.mock('../src/hello/hello.service', () => ({
get getHello() {
return mockHello;
},
}));
When I tested the API Execution, the service function gets called instead of the mock function. How do I make my mockfunction to be called instead of the service function. The mock works only when I make my function static and use the following code in mock.ts.
HelloService.getHello = mockHello;
How to make the above scenario work without making the function static.
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