export interface UserDetails {
name: 'string',
id: 'string',
address: {
area: 'string',
city: 'string',
}}
export class UserComponent {
Private GetData() {
let userDetail: UserDetails = {
name: 'user name'
}
userDetail.address.city = 'city Name'; //(city name will dynamically add for example added manually)
}
}
What is the method to access the local variable let userDetail in the .spec file for unit testing?
Testing a local variable can be challenging since it exists only within the function where it is defined.
To test a private function, you can follow this approach:
describe("UserComponent", () => {
let component: UserComponent;
beforeEach(() => {
component = fixture.componentInstance;
});
it("should test GetData", () => {
const spy = spyOn<any>(component, "GetData");
// To spy on a private function, include the "<any>" flag
component["GetData"](); // Call a private function using this syntax
expect(spy).toHaveBeenCalled();
});
});
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