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dgreenway/Manual mock & stub method

Created September 9, 2014 06:30
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Adds a property to a class instance and redefines the method we want to check to update the property which we can then check
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Manual mock & stub method
describe 'tests the thing'
it 'tests the thing' do
foo = ClassUnderTest.new
# monkeypatch an attribute onto our class
class << foo
attr_accessor :the_thing_was_called
end
# redefine the the_thing method
def fa.the_thing
self.the_thing_was_called = true
end
foo.some_method_that_calls_the_thing
assert foo.the_thing_was_called
end
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