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File Name : spec_utils.rb

# -*- encoding: utf-8 -*-
require 'rack/utils'
require 'rack/mock'
require 'timeout'

describe Rack::Utils do

# A helper method which checks
  # if certain query parameters 
  # are equal.
  def equal_query_to(query)
    parts = query.split('&')
    lambda{|other| (parts & other.split('&')) == parts }
  end

def kcodeu
    one8 = RUBY_VERSION.to_f < 1.9
    default_kcode, $KCODE = $KCODE, 'U' if one8
    yield
  ensure
    $KCODE = default_kcode if one8
  end

should "round trip binary data" do
    r = [218, 0].pack 'CC'
    if defined?(::Encoding)
      z = Rack::Utils.unescape(Rack::Utils.escape(r), Encoding::BINARY)
    else
      z = Rack::Utils.unescape(Rack::Utils.escape(r))
    end
    r.should.equal z
  end

should "escape correctly" do
    Rack::Utils.escape("fo<o>bar").should.equal "fo%3Co%3Ebar"
    Rack::Utils.escape("a space").should.equal "a+space"
    Rack::Utils.escape("q1!2\"'w$5&7/z8)?\\").
      should.equal "q1%212%22%27w%245%267%2Fz8%29%3F%5C"
  end

should "escape correctly for multibyte characters" do
    matz_name = "\xE3\x81\xBE\xE3\x81\xA4\xE3\x82\x82\xE3\x81\xA8".unpack("a*")[0] # Matsumoto
    matz_name.force_encoding("UTF-8") if matz_name.respond_to? :force_encoding
    Rack::Utils.escape(matz_name).should.equal '%E3%81%BE%E3%81%A4%E3%82%82%E3%81%A8'
    matz_name_sep = "\xE3\x81\xBE\xE3\x81\xA4 \xE3\x82\x82\xE3\x81\xA8".unpack("a*")[0] # Matsu moto
    matz_name_sep.force_encoding("UTF-8") if matz_name_sep.respond_to? :force_encoding
    Rack::Utils.escape(matz_name_sep).should.equal '%E3%81%BE%E3%81%A4+%E3%82%82%E3%81%A8'
  end

if RUBY_VERSION[/^\d+\.\d+/] == '1.8'
    should "escape correctly for multibyte characters if $KCODE is set to 'U'" do
      kcodeu do
        matz_name = "\xE3\x81\xBE\xE3\x81\xA4\xE3\x82\x82\xE3\x81\xA8".unpack("a*")[0] # Matsumoto
        matz_name.force_encoding("UTF-8") if matz_name.respond_to? :force_encoding
        Rack::Utils.escape(matz_name).should.equal '%E3%81%BE%E3%81%A4%E3%82%82%E3%81%A8'
        matz_name_sep = "\xE3\x81\xBE\xE3\x81\xA4 \xE3\x82\x82\xE3\x81\xA8".unpack("a*")[0] # Matsu moto
        matz_name_sep.force_encoding("UTF-8") if matz_name_sep.respond_to? :force_encoding
        Rack::Utils.escape(matz_name_sep).should.equal '%E3%81%BE%E3%81%A4+%E3%82%82%E3%81%A8'
      end
    end

should "unescape multibyte characters correctly if $KCODE is set to 'U'" do
      kcodeu do
        Rack::Utils.unescape('%E3%81%BE%E3%81%A4+%E3%82%82%E3%81%A8').should.equal(
          "\xE3\x81\xBE\xE3\x81\xA4 \xE3\x82\x82\xE3\x81\xA8".unpack("a*")[0])
      end
    end
  end

should "escape objects that responds to to_s" do
    kcodeu do
      Rack::Utils.escape(:id).should.equal "id"
    end
  end

if "".respond_to?(:encode)
    should "escape non-UTF8 strings" do
      Rack::Utils.escape("ø".encode("ISO-8859-1")).should.equal "%F8"
    end
  end
  
  should "not hang on escaping long strings that end in % (http://redmine.ruby-lang.org/issues/5149)" do
    lambda {
      timeout(1) do
        lambda {
          URI.decode_www_form_component "A string that causes catastrophic backtracking as it gets longer %"
        }.should.raise(ArgumentError)
      end
    }.should.not.raise(Timeout::Error)
  end

should "escape path spaces with %20" do
    Rack::Utils.escape_path("foo bar").should.equal  "foo%20bar"
  end

should "unescape correctly" do
    Rack::Utils.unescape("fo%3Co%3Ebar").should.equal "fo<o>bar"
    Rack::Utils.unescape("a+space").should.equal "a space"
    Rack::Utils.unescape("a%20space").should.equal "a space"
    Rack::Utils.unescape("q1%212%22%27w%245%267%2Fz8%29%3F%5C").
      should.equal "q1!2\"'w$5&7/z8)?\\"
  end

should "parse query strings correctly" do
    Rack::Utils.parse_query("foo=bar").
      should.equal "foo" => "bar"
    Rack::Utils.parse_query("foo=\"bar\"").
      should.equal "foo" => "\"bar\""
    Rack::Utils.parse_query("foo=bar&foo=quux").
      should.equal "foo" => ["bar", "quux"]
    Rack::Utils.parse_query("foo=1&bar=2").
      should.equal "foo" => "1", "bar" => "2"
    Rack::Utils.parse_query("my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F").
      should.equal "my weird field" => "q1!2\"'w$5&7/z8)?"
    Rack::Utils.parse_query("foo%3Dbaz=bar").should.equal "foo=baz" => "bar"
    Rack::Utils.parse_query("=").should.equal "" => ""
    Rack::Utils.parse_query("=value").should.equal "" => "value"
    Rack::Utils.parse_query("key=").should.equal "key" => ""
    Rack::Utils.parse_query("&key&").should.equal "key" => nil
    Rack::Utils.parse_query(";key;", ";,").should.equal "key" => nil
    Rack::Utils.parse_query(",key,", ";,").should.equal "key" => nil
    Rack::Utils.parse_query(";foo=bar,;", ";,").should.equal "foo" => "bar"
    Rack::Utils.parse_query(",foo=bar;,", ";,").should.equal "foo" => "bar"
  end

should "not create infinite loops with cycle structures" do
    ex = { "foo" => nil }
    ex["foo"] = ex

params = Rack::Utils::KeySpaceConstrainedParams.new
    params['foo'] = params
    lambda {
      params.to_params_hash.to_s.should.equal ex.to_s
    }.should.not.raise
  end

should "raise an exception if the params are too deep" do
    len = Rack::Utils.param_depth_limit

lambda {
      Rack::Utils.parse_nested_query("foo#{"[a]" * len}=bar")
    }.should.raise(RangeError)

lambda {
      Rack::Utils.parse_nested_query("foo#{"[a]" * (len - 1)}=bar")
    }.should.not.raise
  end

should "parse nested query strings correctly" do
    Rack::Utils.parse_nested_query("foo").
      should.equal "foo" => nil
    Rack::Utils.parse_nested_query("foo=").
      should.equal "foo" => ""
    Rack::Utils.parse_nested_query("foo=bar").
      should.equal "foo" => "bar"
    Rack::Utils.parse_nested_query("foo=\"bar\"").
      should.equal "foo" => "\"bar\""

Rack::Utils.parse_nested_query("foo=bar&foo=quux").
      should.equal "foo" => "quux"
    Rack::Utils.parse_nested_query("foo&foo=").
      should.equal "foo" => ""
    Rack::Utils.parse_nested_query("foo=1&bar=2").
      should.equal "foo" => "1", "bar" => "2"
    Rack::Utils.parse_nested_query("&foo=1&&bar=2").
      should.equal "foo" => "1", "bar" => "2"
    Rack::Utils.parse_nested_query("foo&bar=").
      should.equal "foo" => nil, "bar" => ""
    Rack::Utils.parse_nested_query("foo=bar&baz=").
      should.equal "foo" => "bar", "baz" => ""
    Rack::Utils.parse_nested_query("my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F").
      should.equal "my weird field" => "q1!2\"'w$5&7/z8)?"

Rack::Utils.parse_nested_query("a=b&pid%3D1234=1023").
      should.equal "pid=1234" => "1023", "a" => "b"

Rack::Utils.parse_nested_query("foo[]").
      should.equal "foo" => [nil]
    Rack::Utils.parse_nested_query("foo[]=").
      should.equal "foo" => [""]
    Rack::Utils.parse_nested_query("foo[]=bar").
      should.equal "foo" => ["bar"]
    Rack::Utils.parse_nested_query("foo[]=bar&foo").
      should.equal "foo" => nil
    Rack::Utils.parse_nested_query("foo[]=bar&foo[").
      should.equal "foo" => ["bar"], "foo[" => nil
    Rack::Utils.parse_nested_query("foo[]=bar&foo[=baz").
      should.equal "foo" => ["bar"], "foo[" => "baz"
    Rack::Utils.parse_nested_query("foo[]=bar&foo[]").
      should.equal "foo" => ["bar", nil]
    Rack::Utils.parse_nested_query("foo[]=bar&foo[]=").
      should.equal "foo" => ["bar", ""]

Rack::Utils.parse_nested_query("foo[]=1&foo[]=2").
      should.equal "foo" => ["1", "2"]
    Rack::Utils.parse_nested_query("foo=bar&baz[]=1&baz[]=2&baz[]=3").
      should.equal "foo" => "bar", "baz" => ["1", "2", "3"]
    Rack::Utils.parse_nested_query("foo[]=bar&baz[]=1&baz[]=2&baz[]=3").
      should.equal "foo" => ["bar"], "baz" => ["1", "2", "3"]

Rack::Utils.parse_nested_query("x[y][z]=1").
      should.equal "x" => {"y" => {"z" => "1"}}
    Rack::Utils.parse_nested_query("x[y][z][]=1").
      should.equal "x" => {"y" => {"z" => ["1"]}}
    Rack::Utils.parse_nested_query("x[y][z]=1&x[y][z]=2").
      should.equal "x" => {"y" => {"z" => "2"}}
    Rack::Utils.parse_nested_query("x[y][z][]=1&x[y][z][]=2").
      should.equal "x" => {"y" => {"z" => ["1", "2"]}}

Rack::Utils.parse_nested_query("x[y][][z]=1").
      should.equal "x" => {"y" => [{"z" => "1"}]}
    Rack::Utils.parse_nested_query("x[y][][z][]=1").
      should.equal "x" => {"y" => [{"z" => ["1"]}]}
    Rack::Utils.parse_nested_query("x[y][][z]=1&x[y][][w]=2").
      should.equal "x" => {"y" => [{"z" => "1", "w" => "2"}]}

Rack::Utils.parse_nested_query("x[y][][v][w]=1").
      should.equal "x" => {"y" => [{"v" => {"w" => "1"}}]}
    Rack::Utils.parse_nested_query("x[y][][z]=1&x[y][][v][w]=2").
      should.equal "x" => {"y" => [{"z" => "1", "v" => {"w" => "2"}}]}

Rack::Utils.parse_nested_query("x[y][][z]=1&x[y][][z]=2").
      should.equal "x" => {"y" => [{"z" => "1"}, {"z" => "2"}]}
    Rack::Utils.parse_nested_query("x[y][][z]=1&x[y][][w]=a&x[y][][z]=2&x[y][][w]=3").
      should.equal "x" => {"y" => [{"z" => "1", "w" => "a"}, {"z" => "2", "w" => "3"}]}

lambda { Rack::Utils.parse_nested_query("x[y]=1&x[y]z=2") }.
      should.raise(Rack::Utils::ParameterTypeError).
      message.should.equal "expected Hash (got String) for param `y'"

lambda { Rack::Utils.parse_nested_query("x[y]=1&x[]=1") }.
      should.raise(Rack::Utils::ParameterTypeError).
      message.should.match(/expected Array $got [^)]*$ for param `x'/)

lambda { Rack::Utils.parse_nested_query("x[y]=1&x[y][][w]=2") }.
      should.raise(Rack::Utils::ParameterTypeError).
      message.should.equal "expected Array (got String) for param `y'"

if RUBY_VERSION.to_f > 1.9
      lambda { Rack::Utils.parse_nested_query("foo%81E=1") }.
        should.raise(Rack::Utils::InvalidParameterError).
        message.should.equal "invalid byte sequence in UTF-8"
    end
  end

should "build query strings correctly" do
    Rack::Utils.build_query("foo" => "bar").should.be equal_query_to("foo=bar")
    Rack::Utils.build_query("foo" => ["bar", "quux"]).
      should.be equal_query_to("foo=bar&foo=quux")
    Rack::Utils.build_query("foo" => "1", "bar" => "2").
      should.be equal_query_to("foo=1&bar=2")
    Rack::Utils.build_query("my weird field" => "q1!2\"'w$5&7/z8)?").
      should.be equal_query_to("my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F")
  end

should "build nested query strings correctly" do
    Rack::Utils.build_nested_query("foo" => nil).should.equal "foo"
    Rack::Utils.build_nested_query("foo" => "").should.equal "foo="
    Rack::Utils.build_nested_query("foo" => "bar").should.equal "foo=bar"

Rack::Utils.build_nested_query("foo" => "1", "bar" => "2").
      should.be equal_query_to("foo=1&bar=2")
    Rack::Utils.build_nested_query("foo" => 1, "bar" => 2).
      should.be equal_query_to("foo=1&bar=2")
    Rack::Utils.build_nested_query("my weird field" => "q1!2\"'w$5&7/z8)?").
      should.be equal_query_to("my+weird+field=q1%212%22%27w%245%267%2Fz8%29%3F")

Rack::Utils.build_nested_query("foo" => [nil]).
      should.equal "foo[]"
    Rack::Utils.build_nested_query("foo" => [""]).
      should.equal "foo[]="
    Rack::Utils.build_nested_query("foo" => ["bar"]).
      should.equal "foo[]=bar"
    Rack::Utils.build_nested_query('foo' => []).
      should.equal ''
    Rack::Utils.build_nested_query('foo' => {}).
      should.equal ''
    Rack::Utils.build_nested_query('foo' => 'bar', 'baz' => []).
      should.equal 'foo=bar'
    Rack::Utils.build_nested_query('foo' => 'bar', 'baz' => {}).
      should.equal 'foo=bar'

# The ordering of the output query string is unpredictable with 1.8's
    # unordered hash. Test that build_nested_query performs the inverse
    # function of parse_nested_query.
    [{"foo" => nil, "bar" => ""},
      {"foo" => "bar", "baz" => ""},
      {"foo" => ["1", "2"]},
      {"foo" => "bar", "baz" => ["1", "2", "3"]},
      {"foo" => ["bar"], "baz" => ["1", "2", "3"]},
      {"foo" => ["1", "2"]},
      {"foo" => "bar", "baz" => ["1", "2", "3"]},
      {"x" => {"y" => {"z" => "1"}}},
      {"x" => {"y" => {"z" => ["1"]}}},
      {"x" => {"y" => {"z" => ["1", "2"]}}},
      {"x" => {"y" => [{"z" => "1"}]}},
      {"x" => {"y" => [{"z" => ["1"]}]}},
      {"x" => {"y" => [{"z" => "1", "w" => "2"}]}},
      {"x" => {"y" => [{"v" => {"w" => "1"}}]}},
      {"x" => {"y" => [{"z" => "1", "v" => {"w" => "2"}}]}},
      {"x" => {"y" => [{"z" => "1"}, {"z" => "2"}]}},
      {"x" => {"y" => [{"z" => "1", "w" => "a"}, {"z" => "2", "w" => "3"}]}}
    ].each { |params|
      qs = Rack::Utils.build_nested_query(params)
      Rack::Utils.parse_nested_query(qs).should.equal params
    }

lambda { Rack::Utils.build_nested_query("foo=bar") }.
      should.raise(ArgumentError).
      message.should.equal "value must be a Hash"
  end

should "parse query strings that have a non-existent value" do
    key = "post/2011/08/27/Deux-%22rat%C3%A9s%22-de-l-Universit"
    Rack::Utils.parse_query(key).should.equal Rack::Utils.unescape(key) => nil
  end

should "build query strings without = with non-existent values" do
    key = "post/2011/08/27/Deux-%22rat%C3%A9s%22-de-l-Universit"
    key = Rack::Utils.unescape(key)
    Rack::Utils.build_query(key => nil).should.equal Rack::Utils.escape(key)
  end

should "parse q-values" do
    # XXX handle accept-extension
    Rack::Utils.q_values("foo;q=0.5,bar,baz;q=0.9").should.equal [
      [ 'foo', 0.5 ],
      [ 'bar', 1.0 ],
      [ 'baz', 0.9 ]
    ]
  end

should "select best quality match" do
    Rack::Utils.best_q_match("text/html", %w[text/html]).should.equal "text/html"

# More specific matches are preferred
    Rack::Utils.best_q_match("text/*;q=0.5,text/html;q=1.0", %w[text/html]).should.equal "text/html"

# Higher quality matches are preferred
    Rack::Utils.best_q_match("text/*;q=0.5,text/plain;q=1.0", %w[text/plain text/html]).should.equal "text/plain"

# Respect requested content type
    Rack::Utils.best_q_match("application/json", %w[application/vnd.lotus-1-2-3 application/json]).should.equal "application/json"

# All else equal, the available mimes are preferred in order
    Rack::Utils.best_q_match("text/*", %w[text/html text/plain]).should.equal "text/html"
    Rack::Utils.best_q_match("text/plain,text/html", %w[text/html text/plain]).should.equal "text/html"

# When there are no matches, return nil:
    Rack::Utils.best_q_match("application/json", %w[text/html text/plain]).should.equal nil
  end

should "escape html entities [&><'\"/]" do
    Rack::Utils.escape_html("foo").should.equal "foo"
    Rack::Utils.escape_html("f&o").should.equal "f&amp;o"
    Rack::Utils.escape_html("f<o").should.equal "f&lt;o"
    Rack::Utils.escape_html("f>o").should.equal "f&gt;o"
    Rack::Utils.escape_html("f'o").should.equal "f&#x27;o"
    Rack::Utils.escape_html('f"o').should.equal "f&quot;o"
    Rack::Utils.escape_html("f/o").should.equal "f&#x2F;o"
    Rack::Utils.escape_html("<foo></foo>").should.equal "&lt;foo&gt;&lt;&#x2F;foo&gt;"
  end

should "escape html entities even on MRI when it's bugged" do
    test_escape = lambda do
      kcodeu do
        Rack::Utils.escape_html("\300<").should.equal "\300&lt;"
      end
    end

if RUBY_VERSION.to_f < 1.9
      test_escape.call
    else
      test_escape.should.raise(ArgumentError)
    end
  end

if "".respond_to?(:encode)
    should "escape html entities in unicode strings" do
      # the following will cause warnings if the regex is poorly encoded:
      Rack::Utils.escape_html("☃").should.equal "☃"
    end
  end

should "figure out which encodings are acceptable" do
    helper = lambda do |a, b|
      Rack::Request.new(Rack::MockRequest.env_for("", "HTTP_ACCEPT_ENCODING" => a))
      Rack::Utils.select_best_encoding(a, b)
    end

helper.call(%w(), [["x", 1]]).should.equal(nil)
    helper.call(%w(identity), [["identity", 0.0]]).should.equal(nil)
    helper.call(%w(identity), [["*", 0.0]]).should.equal(nil)

helper.call(%w(identity), [["compress", 1.0], ["gzip", 1.0]]).should.equal("identity")

helper.call(%w(compress gzip identity), [["compress", 1.0], ["gzip", 1.0]]).should.equal("compress")
    helper.call(%w(compress gzip identity), [["compress", 0.5], ["gzip", 1.0]]).should.equal("gzip")

helper.call(%w(foo bar identity), []).should.equal("identity")
    helper.call(%w(foo bar identity), [["*", 1.0]]).should.equal("foo")
    helper.call(%w(foo bar identity), [["*", 1.0], ["foo", 0.9]]).should.equal("bar")

helper.call(%w(foo bar identity), [["foo", 0], ["bar", 0]]).should.equal("identity")
    helper.call(%w(foo bar baz identity), [["*", 0], ["identity", 0.1]]).should.equal("identity")
  end

should "return the bytesize of String" do
    Rack::Utils.bytesize("FOO\xE2\x82\xAC").should.equal 6
  end

should "should perform constant time string comparison" do
    Rack::Utils.secure_compare('a', 'a').should.equal true
    Rack::Utils.secure_compare('a', 'b').should.equal false
  end

should "return status code for integer" do
    Rack::Utils.status_code(200).should.equal 200
  end

should "return status code for string" do
    Rack::Utils.status_code("200").should.equal 200
  end

should "return status code for symbol" do
    Rack::Utils.status_code(:ok).should.equal 200
  end

should "return rfc2822 format from rfc2822 helper" do
    Rack::Utils.rfc2822(Time.at(0).gmtime).should == "Thu, 01 Jan 1970 00:00:00 -0000"
  end

should "return rfc2109 format from rfc2109 helper" do
    Rack::Utils.rfc2109(Time.at(0).gmtime).should == "Thu, 01-Jan-1970 00:00:00 GMT"
  end

should "clean directory traversal" do
    Rack::Utils.clean_path_info("/cgi/../cgi/test").should.equal "/cgi/test"
    Rack::Utils.clean_path_info(".").should.empty
    Rack::Utils.clean_path_info("test/..").should.empty
  end

should "clean unsafe directory traversal to safe path" do
    Rack::Utils.clean_path_info("/../README.rdoc").should.equal "/README.rdoc"
    Rack::Utils.clean_path_info("../test/spec_utils.rb").should.equal "test/spec_utils.rb"
  end

should "not clean directory traversal with encoded periods" do
    Rack::Utils.clean_path_info("/%2E%2E/README").should.equal "/%2E%2E/README"
  end

should "clean slash only paths" do
    Rack::Utils.clean_path_info("/").should.equal "/"
  end
end

describe Rack::Utils, "byte_range" do
  should "ignore missing or syntactically invalid byte ranges" do
    Rack::Utils.byte_ranges({},500).should.equal nil
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "foobar"},500).should.equal nil
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "furlongs=123-456"},500).should.equal nil
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes="},500).should.equal nil
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-"},500).should.equal nil
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123,456"},500).should.equal nil
    # A range of non-positive length is syntactically invalid and ignored:
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=456-123"},500).should.equal nil
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=456-455"},500).should.equal nil
  end

should "parse simple byte ranges" do
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123-456"},500).should.equal [(123..456)]
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123-"},500).should.equal [(123..499)]
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-100"},500).should.equal [(400..499)]
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=0-0"},500).should.equal [(0..0)]
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=499-499"},500).should.equal [(499..499)]
  end

should "parse several byte ranges" do
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=500-600,601-999"},1000).should.equal [(500..600),(601..999)]
  end

should "truncate byte ranges" do
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123-999"},500).should.equal [(123..499)]
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=600-999"},500).should.equal []
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-999"},500).should.equal [(0..499)]
  end

should "ignore unsatisfiable byte ranges" do
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=500-501"},500).should.equal []
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=500-"},500).should.equal []
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=999-"},500).should.equal []
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-0"},500).should.equal []
  end

should "handle byte ranges of empty files" do
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=123-456"},0).should.equal []
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=0-"},0).should.equal []
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-100"},0).should.equal []
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=0-0"},0).should.equal []
    Rack::Utils.byte_ranges({"HTTP_RANGE" => "bytes=-0"},0).should.equal []
  end
end

describe Rack::Utils::HeaderHash do
  should "retain header case" do
    h = Rack::Utils::HeaderHash.new("Content-MD5" => "d5ff4e2a0 ...")
    h['ETag'] = 'Boo!'
    h.to_hash.should.equal "Content-MD5" => "d5ff4e2a0 ...", "ETag" => 'Boo!'
  end

should "check existence of keys case insensitively" do
    h = Rack::Utils::HeaderHash.new("Content-MD5" => "d5ff4e2a0 ...")
    h.should.include 'content-md5'
    h.should.not.include 'ETag'
  end

should "merge case-insensitively" do
    h = Rack::Utils::HeaderHash.new("ETag" => 'HELLO', "content-length" => '123')
    merged = h.merge("Etag" => 'WORLD', 'Content-Length' => '321', "Foo" => 'BAR')
    merged.should.equal "Etag"=>'WORLD', "Content-Length"=>'321', "Foo"=>'BAR'
  end

should "overwrite case insensitively and assume the new key's case" do
    h = Rack::Utils::HeaderHash.new("Foo-Bar" => "baz")
    h["foo-bar"] = "bizzle"
    h["FOO-BAR"].should.equal "bizzle"
    h.length.should.equal 1
    h.to_hash.should.equal "foo-bar" => "bizzle"
  end

should "be converted to real Hash" do
    h = Rack::Utils::HeaderHash.new("foo" => "bar")
    h.to_hash.should.be.instance_of Hash
  end

should "convert Array values to Strings when converting to Hash" do
    h = Rack::Utils::HeaderHash.new("foo" => ["bar", "baz"])
    h.to_hash.should.equal({ "foo" => "bar\nbaz" })
  end

should "replace hashes correctly" do
    h = Rack::Utils::HeaderHash.new("Foo-Bar" => "baz")
    j = {"foo" => "bar"}
    h.replace(j)
    h["foo"].should.equal "bar"
  end

should "be able to delete the given key case-sensitively" do
    h = Rack::Utils::HeaderHash.new("foo" => "bar")
    h.delete("foo")
    h["foo"].should.be.nil
    h["FOO"].should.be.nil
  end

should "be able to delete the given key case-insensitively" do
    h = Rack::Utils::HeaderHash.new("foo" => "bar")
    h.delete("FOO")
    h["foo"].should.be.nil
    h["FOO"].should.be.nil
  end

should "return the deleted value when #delete is called on an existing key" do
    h = Rack::Utils::HeaderHash.new("foo" => "bar")
    h.delete("Foo").should.equal("bar")
  end

should "return nil when #delete is called on a non-existant key" do
    h = Rack::Utils::HeaderHash.new("foo" => "bar")
    h.delete("Hello").should.be.nil
  end

should "avoid unnecessary object creation if possible" do
    a = Rack::Utils::HeaderHash.new("foo" => "bar")
    b = Rack::Utils::HeaderHash.new(a)
    b.object_id.should.equal(a.object_id)
    b.should.equal(a)
  end

should "convert Array values to Strings when responding to #each" do
    h = Rack::Utils::HeaderHash.new("foo" => ["bar", "baz"])
    h.each do |k,v|
      k.should.equal("foo")
      v.should.equal("bar\nbaz")
    end
  end

should "not create headers out of thin air" do
    h = Rack::Utils::HeaderHash.new
    h['foo']
    h['foo'].should.be.nil
    h.should.not.include 'foo'
  end
end

describe Rack::Utils::Context do
  class ContextTest
    attr_reader :app
    def initialize app; @app=app; end
    def call env; context env; end
    def context env, app=@app; app.call(env); end
  end
  test_target1 = proc{|e| e.to_s+' world' }
  test_target2 = proc{|e| e.to_i+2 }
  test_target3 = proc{|e| nil }
  test_target4 = proc{|e| [200,{'Content-Type'=>'text/plain', 'Content-Length'=>'0'},['']] }
  test_app = ContextTest.new test_target4

should "set context correctly" do
    test_app.app.should.equal test_target4
    c1 = Rack::Utils::Context.new(test_app, test_target1)
    c1.for.should.equal test_app
    c1.app.should.equal test_target1
    c2 = Rack::Utils::Context.new(test_app, test_target2)
    c2.for.should.equal test_app
    c2.app.should.equal test_target2
  end

should "alter app on recontexting" do
    c1 = Rack::Utils::Context.new(test_app, test_target1)
    c2 = c1.recontext(test_target2)
    c2.for.should.equal test_app
    c2.app.should.equal test_target2
    c3 = c2.recontext(test_target3)
    c3.for.should.equal test_app
    c3.app.should.equal test_target3
  end

should "run different apps" do
    c1 = Rack::Utils::Context.new test_app, test_target1
    c2 = c1.recontext test_target2
    c3 = c2.recontext test_target3
    c4 = c3.recontext test_target4
    a4 = Rack::Lint.new c4
    a5 = Rack::Lint.new test_app
    r1 = c1.call('hello')
    r1.should.equal 'hello world'
    r2 = c2.call(2)
    r2.should.equal 4
    r3 = c3.call(:misc_symbol)
    r3.should.be.nil
    r4 = Rack::MockRequest.new(a4).get('/')
    r4.status.should.equal 200
    r5 = Rack::MockRequest.new(a5).get('/')
    r5.status.should.equal 200
    r4.body.should.equal r5.body
  end
end

Name	Type	Size	Permission	Last Modified	Actions
.	dir	-	0755	2024-03-03 10:43:39
..	dir	-	0755	2024-03-03 10:43:39
builder	dir	-	0755	2024-03-03 10:43:39
cgi	dir	-	0755	2024-03-03 10:43:39
multipart	dir	-	0755	2024-03-03 10:43:39
rackup	dir	-	0755	2024-03-03 10:43:39
registering_handler	dir	-	0755	2024-03-03 10:43:39
static	dir	-	0755	2024-03-03 10:43:39
unregistered_handler	dir	-	0755	2024-03-03 10:43:39
gemloader.rb	text/x-ruby	298 B	0644	2019-12-05 10:59:18
spec_auth_basic.rb	text/x-ruby	2.26 KB	0644	2019-12-05 10:59:18
spec_auth_digest.rb	text/x-ruby	8.08 KB	0644	2019-12-05 10:59:18
spec_body_proxy.rb	text/x-ruby	2.2 KB	0644	2019-12-05 10:59:18
spec_builder.rb	text/x-ruby	6.2 KB	0644	2019-12-05 10:59:18
spec_cascade.rb	text/x-ruby	2.11 KB	0644	2019-12-05 10:59:18
spec_cgi.rb	text/x-ruby	2.92 KB	0644	2019-12-05 10:59:18
spec_chunked.rb	text/x-ruby	3.87 KB	0644	2019-12-05 10:59:18
spec_commonlogger.rb	text/x-ruby	2.37 KB	0644	2019-12-05 10:59:18
spec_conditionalget.rb	text/x-ruby	3.28 KB	0644	2019-12-05 10:59:18
spec_config.rb	text/x-ruby	544 B	0644	2019-12-05 10:59:18
spec_content_length.rb	text/x-ruby	2.8 KB	0644	2019-12-05 10:59:18
spec_content_type.rb	text/x-ruby	1.47 KB	0644	2019-12-05 10:59:18
spec_deflater.rb	text/x-ruby	10.04 KB	0644	2019-12-05 10:59:18
spec_directory.rb	text/x-ruby	2.19 KB	0644	2019-12-05 10:59:18
spec_etag.rb	text/x-ruby	3.84 KB	0644	2019-12-05 10:59:18
spec_fastcgi.rb	text/x-ruby	3.08 KB	0644	2019-12-05 10:59:18
spec_file.rb	text/x-ruby	6.32 KB	0644	2019-12-05 10:59:18
spec_handler.rb	text/x-ruby	1.87 KB	0644	2019-12-05 10:59:18
spec_head.rb	text/x-ruby	1.36 KB	0644	2019-12-05 10:59:18
spec_lint.rb	text/x-ruby	19.23 KB	0644	2019-12-05 10:59:18
spec_lobster.rb	text/x-ruby	1.23 KB	0644	2019-12-05 10:59:18
spec_lock.rb	text/x-ruby	4.33 KB	0644	2019-12-05 10:59:18
spec_logger.rb	text/x-ruby	622 B	0644	2019-12-05 10:59:18
spec_methodoverride.rb	text/x-ruby	2.38 KB	0644	2019-12-05 10:59:18
spec_mime.rb	text/x-ruby	1.81 KB	0644	2019-12-05 10:59:18
spec_mock.rb	text/x-ruby	9.34 KB	0644	2019-12-05 10:59:18
spec_mongrel.rb	text/x-ruby	5.73 KB	0644	2019-12-05 10:59:18
spec_multipart.rb	text/x-ruby	23.62 KB	0644	2019-12-05 10:59:18
spec_nulllogger.rb	text/x-ruby	514 B	0644	2019-12-05 10:59:18
spec_recursive.rb	text/x-ruby	1.83 KB	0644	2019-12-05 10:59:18
spec_request.rb	text/x-ruby	42.52 KB	0644	2019-12-05 10:59:18
spec_response.rb	text/x-ruby	10.08 KB	0644	2019-12-05 10:59:18
spec_rewindable_input.rb	text/x-ruby	2.78 KB	0644	2019-12-05 10:59:18
spec_runtime.rb	text/x-ruby	1.53 KB	0644	2019-12-05 10:59:18
spec_sendfile.rb	text/x-ruby	4.12 KB	0644	2019-12-05 10:59:18
spec_server.rb	text/x-ruby	5.57 KB	0644	2019-12-05 10:59:18
spec_session_abstract_id.rb	text/x-ruby	1.29 KB	0644	2019-12-05 10:59:18
spec_session_cookie.rb	text/x-ruby	12.94 KB	0644	2019-12-05 10:59:18
spec_session_memcache.rb	text/x-ruby	11.12 KB	0644	2019-12-05 10:59:18
spec_session_pool.rb	text/x-ruby	6.53 KB	0644	2019-12-05 10:59:18
spec_showexceptions.rb	text/x-ruby	2.01 KB	0644	2019-12-05 10:59:18
spec_showstatus.rb	text/x-ruby	2.74 KB	0644	2019-12-05 10:59:18
spec_static.rb	text/x-ruby	4.6 KB	0644	2019-12-05 10:59:18
spec_tempfile_reaper.rb	text/x-ruby	1.57 KB	0644	2019-12-05 10:59:18
spec_thin.rb	text/x-ruby	2.55 KB	0644	2019-12-05 10:59:18
spec_urlmap.rb	text/x-ruby	8.82 KB	0644	2019-12-05 10:59:18
spec_utils.rb	text/x-ruby	24.89 KB	0644	2019-12-05 10:59:18
spec_version.rb	text/x-ruby	504 B	0644	2019-12-05 10:59:18
spec_webrick.rb	text/x-ruby	5.5 KB	0644	2019-12-05 10:59:18
testrequest.rb	text/x-ruby	1.96 KB	0644	2019-12-05 10:59:18