Re: How to mock static client side DOM calls with PowerMock?

The DOM class contains a static class variable "impl" that is instantiated using GWT.create(). I don't think you can workaround this fact using PowerMockito.

What you can do is to refactor your code slightly. Instead of

public Foo() {

  id = DOM.createUniqueId();

}

you would refactor it to

public Foo(IdGenerator idGenerator) {

  id = idGenerator.createUniqueId();

}

where IdGenerator is an interface. You can then create a default implementation of that interface that uses DOM.createUniqueId() in your production code and during testing you can then mock that interface easily.

If you don't want that, you have to use a slow GWTTestCase to make GWT.create() work. 

You could also move that code into a view implementation that would need a GWTTestCase anyways if you choose to test that view implementation.

-- J.

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