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require File.expand_path('../acceptance_test_helper', __FILE__)
class StubInstanceMethodDefinedOnObjectClassTest < Mocha::TestCase
include AcceptanceTest
def setup
setup_acceptance_test
end
def teardown
teardown_acceptance_test
end
# rubocop:disable Lint/DuplicateMethods
def test_should_stub_public_method_and_leave_it_unchanged_after_test
Object.class_eval do
def my_instance_method
:original_return_value
end
public :my_instance_method
end
instance = Class.new.new
assert_snapshot_unchanged(instance) do
test_result = run_as_test do
instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, instance.my_instance_method
end
assert_passed(test_result)
end
assert_equal :original_return_value, instance.my_instance_method
ensure
Object.class_eval { remove_method :my_instance_method }
end
def test_should_stub_protected_method_and_leave_it_unchanged_after_test
Object.class_eval do
def my_instance_method
:original_return_value
end
protected :my_instance_method
end
instance = Class.new.new
assert_snapshot_unchanged(instance) do
test_result = run_as_test do
instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, instance.send(:my_instance_method)
end
assert_passed(test_result)
end
assert_equal :original_return_value, instance.send(:my_instance_method)
ensure
Object.class_eval { remove_method :my_instance_method }
end
def test_should_stub_private_method_and_leave_it_unchanged_after_test
Object.class_eval do
def my_instance_method
:original_return_value
end
private :my_instance_method
end
instance = Class.new.new
assert_snapshot_unchanged(instance) do
test_result = run_as_test do
instance.stubs(:my_instance_method).returns(:new_return_value)
assert_equal :new_return_value, instance.send(:my_instance_method)
end
assert_passed(test_result)
end
assert_equal :original_return_value, instance.send(:my_instance_method)
ensure
Object.class_eval { remove_method :my_instance_method }
end
# rubocop:enable Lint/DuplicateMethods
end
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