As per the Jasmine documentation, there is a method called withArgs() in the Spy object.
spyOn(someObj, 'func').withArgs(1, 2, 3).and.returnValue(42);
In the TypeScript-adapted version, I am unable to locate this method. My project was initialized with angular-cli (ng new) and Jasmine was included by default. Whenever I attempt to use the withArgs() method, Visual Studio Code indicates that it does not exist in the Spy class...
If you're encountering this issue, it's probable that you are working with an outdated version of jasmine or the jasmine typings library. The specific method in question was added in Jasmine 3.0. It is not present in the Jasmine 2.9 documentation.
To resolve this, simply update your Jasmine and jasmine typings libraries. If you're using npm, you can execute the following command:
npm i -D jasmine@latest jasmine-core@latest @types/jasmine@latest
This command will update all jasmine-related dependencies to their most recent versions and save them as devDependencies.
Due to strict company policies, I was unable to update the Jasmine library in time for my project deadline. As a result, using withArgs was not an option for me. To work around this limitation, I implemented a solution using callFake and manually checking the arguments. Here is how I did it:
mockAuthenticationService = jasmine.createSpyObj<AuthenticationService>('authenticationService', ['hasPermission']);
mockAuthenticationService.hasPermission.and.callFake((permission) => {
return (permission === 'MyPermission');
});
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