I need to test my service where I'm using @ionic/storage to get and set data in a method. Do I need to mock the whole storage mechanism or what would be the best practice for that?
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In general unit testing, only test code that you write.
You can create a mock, which is basically a class that has the methods you use
getorset.Then you have two options. Either you use Jasmine's Spies, which allows you to mock the return value of those
getorsetmethods in your specs, or you can directly place the return value in the actual Mock of the class.The former is more ideal, as it allows you to see the return value directly on the
specand allows for more customization.The spies documentation is here. I use the
spyOn(...).and.returnValue()or a lot, but there are a variety of methods you can use.If you give more details in the exact spec you're trying to write, you can get better answers.