From: Pradeep Gatram <pradeep.gatram@...>
Date: 2007-11-13T19:21:38+09:00
Subject: how to ensure signature compliance while mocking in ruby

Let me put my dilemma as an example. Take a look at a snippet from
FooTest.

#using mocha
def test_method1
  Bar.expects(:method2).with('param1', 'param2').once
  Foo.method1
end

And now the implementation

class Foo
  def self.method1
    Bar.method2('param1', 'param2')
  end
end

class Bar
end

So far so good... Now my dilemma is that while implementing method2 in
Bar, I can come up with any weird signature (e.g. def method2
someInteger, someOtherNumber) and I will not be breaking FooTest. This
obviously makes life hard while refactoring. Coming from a Java/C#
background, I used to rely on compilation to catch these issues.

How have people solved such problems?

Pradeep
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