Store original method rather than using alias_method #75
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Using
alias_method
was always a bit of a kludge. Instead we can store the definition of the original method in an instance variable and then re-define it on un-stubbing if necessary.This should fix #41, #47, #74 and all tests should now pass on both Ruby 1.8.7 and 1.9.3.
I suspect there may be issues with older versions of the
test-unit
andminitest
gems but those can wait for now.