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# This code comes from https://github.com/rspec/rspec-core/blob/master/spec/spec_helper.rb and
# https://github.com/rspec/rspec-core/blob/master/spec/support/sandboxing.rb
# To leverage the sandboxing use an `around` block:
# around(:each) do |ex|
# Sandboxing.sandboxed { ex.run }
# end
# rspec-core did not include a license on Github
# TODO when this API is exposed publicly from rspec-core, get rid of this copy pasta
# Adding these as writers is necessary, otherwise we cannot set the new configuration.
# Only want to do this in the specs.
class << RSpec
attr_writer :configuration, :world
end
class NullObject
private
def method_missing(method, *args, &block)
# ignore
end
end
# TODO remove this when RSPec exposes this functionality publically
# https://github.com/rspec/rspec-core/pull/1808
module Sandboxing
def self.sandboxed(&block)
orig_load_path = $LOAD_PATH.dup
orig_config = RSpec.configuration
orig_world = RSpec.world
orig_example = RSpec.current_example
new_config = RSpec::Core::Configuration.new
new_config.expose_dsl_globally = false
new_config.expecting_with_rspec = true
new_world = RSpec::Core::World.new(new_config)
RSpec.configuration = new_config
RSpec.world = new_world
object = Object.new
object.extend(RSpec::Core::SharedExampleGroup)
(class << RSpec::Core::ExampleGroup; self; end).class_exec do
alias_method :orig_run, :run
def run(reporter=nil)
RSpec.current_example = nil
orig_run(reporter || NullObject.new)
end
end
RSpec::Mocks.with_temporary_scope do
object.instance_exec(&block)
end
ensure
(class << RSpec::Core::ExampleGroup; self; end).class_exec do
remove_method :run
alias_method :run, :orig_run
remove_method :orig_run
end
RSpec.configuration = orig_config
RSpec.world = orig_world
RSpec.current_example = orig_example
$LOAD_PATH.replace(orig_load_path)
end
end
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