How can I test chained promises in a Jest test?

Question

Below I have a test for my login actions. I\'m mocking a Firebase function and want to test if the signIn/signOut functions are called.

The

Answer 1

Login actions › signIn should call firebase

TypeError: auth.signInWithEmailAndPassword is not a function

This tells that your store.dispatch(signIn(user.email, user.password)) fails, thus your second console.log won't go into your then chain, use catch or second callback argument of then instead.