'Mocking a Superclass in Spock

How can you unit test a class that has a superclass in Spock that invokes method calls form its superclass? Or how do you mock a superclass in Spock?

Ex: 

class Bar {

  def method1(parm1){
      //Method actions
  }
}


class Foo extends Bar {

   def method2(param1, param2) {          
       //Method actions
       super.method1(param1)
   }
}

How can I mock behavior of class Bar?

unit-testinggrailsmockingspock


Solution 1:[1]

The following code will help you to specify what methods are called actually.

setup:
def fooInstance = Spy(Foo)

when: "this try-catch block is debug code"
try {
  // do something with Foo or Bar
}
catch (Exception e) {
}

then:
0 * fooInstance._

This site may be useful. -> Spock Mock Cheatsheet

Solution 2:[2]

If you are using Spock to test Kotlin classes, you need to make the superclass methods open so that Spock can stub them.

Sources

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Source: Stack Overflow

Solution Source
Solution 1
Solution 2 Mike Wilklow

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