\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/ruby21/lib64/ruby/gems/2.1.0/gems/rack-1.6.4/test/

Viewing File: spec_rewindable_input.rb

require 'stringio'
require 'rack/rewindable_input'

shared "a rewindable IO object" do
  before do
    @rio = Rack::RewindableInput.new(@io)
  end

  should "be able to handle to read()" do
    @rio.read.should.equal "hello world"
  end

  should "be able to handle to read(nil)" do
    @rio.read(nil).should.equal "hello world"
  end

  should "be able to handle to read(length)" do
    @rio.read(1).should.equal "h"
  end

  should "be able to handle to read(length, buffer)" do
    buffer = ""
    result = @rio.read(1, buffer)
    result.should.equal "h"
    result.object_id.should.equal buffer.object_id
  end

  should "be able to handle to read(nil, buffer)" do
    buffer = ""
    result = @rio.read(nil, buffer)
    result.should.equal "hello world"
    result.object_id.should.equal buffer.object_id
  end

  should "rewind to the beginning when #rewind is called" do
    @rio.read(1)
    @rio.rewind
    @rio.read.should.equal "hello world"
  end

  should "be able to handle gets" do
    @rio.gets.should == "hello world"
  end

  should "be able to handle each" do
    array = []
    @rio.each do |data|
      array << data
    end
    array.should.equal(["hello world"])
  end

  should "not buffer into a Tempfile if no data has been read yet" do
    @rio.instance_variable_get(:@rewindable_io).should.be.nil
  end

  should "buffer into a Tempfile when data has been consumed for the first time" do
    @rio.read(1)
    tempfile = @rio.instance_variable_get(:@rewindable_io)
    tempfile.should.not.be.nil
    @rio.read(1)
    tempfile2 = @rio.instance_variable_get(:@rewindable_io)
    tempfile2.path.should == tempfile.path
  end

  should "close the underlying tempfile upon calling #close" do
    @rio.read(1)
    tempfile = @rio.instance_variable_get(:@rewindable_io)
    @rio.close
    tempfile.should.be.closed
  end

  should "be possible to call #close when no data has been buffered yet" do
    lambda{ @rio.close }.should.not.raise
  end

  should "be possible to call #close multiple times" do
    lambda{
      @rio.close
      @rio.close
    }.should.not.raise
  end

  @rio.close
  @rio = nil
end

describe Rack::RewindableInput do
  describe "given an IO object that is already rewindable" do
    before do
      @io = StringIO.new("hello world")
    end

    behaves_like "a rewindable IO object"
  end

  describe "given an IO object that is not rewindable" do
    before do
      @io = StringIO.new("hello world")
      @io.instance_eval do
        undef :rewind
      end
    end

    behaves_like "a rewindable IO object"
  end

  describe "given an IO object whose rewind method raises Errno::ESPIPE" do
    before do
      @io = StringIO.new("hello world")
      def @io.rewind
        raise Errno::ESPIPE, "You can't rewind this!"
      end
    end

    behaves_like "a rewindable IO object"
  end
end