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require 'spec_helper'
describe Marshal, 'extensions' do
# An object that raises when code attempts to dup it.
#
# Because we manipulate the internals of RSpec::Mocks.space below, we need
# an object that simply blows up when #dup is called without using any
# partial mocking or stubbing from rspec-mocks itself.
class UndupableObject
def dup
raise NotImplementedError
end
end
describe '#dump' do
context 'when rspec-mocks has not been fully initialized' do
def without_space
stashed_space, RSpec::Mocks.space = RSpec::Mocks.space, nil
yield
ensure
RSpec::Mocks.space = stashed_space
end
it 'does not duplicate the object before serialization' do
obj = UndupableObject.new
without_space do
serialized = Marshal.dump(obj)
expect(Marshal.load(serialized)).to be_an(UndupableObject)
end
end
end
context 'when rspec-mocks has been fully initialized' do
it 'duplicates objects with stubbed or mocked implementations before serialization' do
obj = double(:foo => "bar")
serialized = Marshal.dump(obj)
expect(Marshal.load(serialized)).to be_an(obj.class)
end
it 'does not duplicate other objects before serialization' do
obj = UndupableObject.new
serialized = Marshal.dump(obj)
expect(Marshal.load(serialized)).to be_an(UndupableObject)
end
it 'does not duplicate nil before serialization' do
serialized = Marshal.dump(nil)
expect(Marshal.load(serialized)).to be_nil
end
end
end
end
|
