Hi!
I'm having problems getting up and running with testing my node.js code.
I've got a file called auth.js with a function that looks like:
authenticate(email, password, callback). The authenticate function tries to
fetch a user with the given e-mail using a collaborator UserRepository
object. It runs a function like: user = users.get({ email: email },
function(user) { ... }) where users is the UserRepository object. If it
gets a user and the password is correct it calls the callback function
like: callback(null, user) but if it don't get a user or if the password is
incorrect it calls the callback sending an error as the first parameter.
When writing unit tests the authenticate method (and all the other
functions in auth.js) I don't want to use the real UserRepository (which in
turn uses a database library like node-mysql) object and a real database. I
believe I should create a stub and define return values so I can see that
authenticate returns correct values when it gets a user and when it don't.
The problems is that I've read a lot of tutorials and articles about
mocking and testing but I still don't understand how I should do this in a
good way.
I hope the text isn't too confusing. I would really appreciate some guiding
in this area so I can get started testing my apps in a good way.
Regards,
Martin Lundberg
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