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require 'minitest/autorun'
require 'rack/body_proxy'
require 'stringio'
describe Rack::BodyProxy do
it 'call each on the wrapped body' do
called = false
proxy = Rack::BodyProxy.new(['foo']) { }
proxy.each do |str|
called = true
str.must_equal 'foo'
end
called.must_equal true
end
it 'call close on the wrapped body' do
body = StringIO.new
proxy = Rack::BodyProxy.new(body) { }
proxy.close
body.must_be :closed?
end
it 'only call close on the wrapped body if it responds to close' do
body = []
proxy = Rack::BodyProxy.new(body) { }
proxy.close.must_be_nil
end
it 'call the passed block on close' do
called = false
proxy = Rack::BodyProxy.new([]) { called = true }
called.must_equal false
proxy.close
called.must_equal true
end
it 'call the passed block on close even if there is an exception' do
object = Object.new
def object.close() raise "No!" end
called = false
begin
proxy = Rack::BodyProxy.new(object) { called = true }
called.must_equal false
proxy.close
rescue RuntimeError => e
end
raise "Expected exception to have been raised" unless e
called.must_equal true
end
it 'allow multiple arguments in respond_to?' do
body = []
proxy = Rack::BodyProxy.new(body) { }
proxy.respond_to?(:foo, false).must_equal false
end
it 'not respond to :to_ary' do
body = Object.new.tap { |o| def o.to_ary() end }
body.respond_to?(:to_ary).must_equal true
proxy = Rack::BodyProxy.new(body) { }
proxy.respond_to?(:to_ary).must_equal false
proxy.respond_to?("to_ary").must_equal false
end
it 'not close more than one time' do
count = 0
proxy = Rack::BodyProxy.new([]) { count += 1; raise "Block invoked more than 1 time!" if count > 1 }
2.times { proxy.close }
count.must_equal 1
end
it 'be closed when the callback is triggered' do
closed = false
proxy = Rack::BodyProxy.new([]) { closed = proxy.closed? }
proxy.close
closed.must_equal true
end
it 'provide an #each method' do
Rack::BodyProxy.method_defined?(:each).must_equal true
end
end