晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/opt/alt/ruby22/lib64/ruby/gems/2.2.0/gems/rack-1.6.4/test/
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Current File : //opt/alt/ruby22/lib64/ruby/gems/2.2.0/gems/rack-1.6.4/test/spec_showstatus.rb
require 'rack/showstatus'
require 'rack/lint'
require 'rack/mock'
require 'rack/utils'

describe Rack::ShowStatus do
  def show_status(app)
    Rack::Lint.new Rack::ShowStatus.new(app)
  end
  
  should "provide a default status message" do
    req = Rack::MockRequest.new(
      show_status(lambda{|env|
        [404, {"Content-Type" => "text/plain", "Content-Length" => "0"}, []]
    }))

    res = req.get("/", :lint => true)
    res.should.be.not_found
    res.should.be.not.empty

    res["Content-Type"].should.equal("text/html")
    res.should =~ /404/
    res.should =~ /Not Found/
  end

  should "let the app provide additional information" do
    req = Rack::MockRequest.new(
      show_status(
        lambda{|env|
          env["rack.showstatus.detail"] = "gone too meta."
          [404, {"Content-Type" => "text/plain", "Content-Length" => "0"}, []]
    }))

    res = req.get("/", :lint => true)
    res.should.be.not_found
    res.should.be.not.empty

    res["Content-Type"].should.equal("text/html")
    res.should =~ /404/
    res.should =~ /Not Found/
    res.should =~ /too meta/
  end

  should "escape error" do
    detail = "<script>alert('hi \"')</script>"
    req = Rack::MockRequest.new(
      show_status(
        lambda{|env|
          env["rack.showstatus.detail"] = detail
          [500, {"Content-Type" => "text/plain", "Content-Length" => "0"}, []]
    }))

    res = req.get("/", :lint => true)
    res.should.be.not.empty

    res["Content-Type"].should.equal("text/html")
    res.should =~ /500/
    res.should.not.include detail
    res.body.should.include Rack::Utils.escape_html(detail)
  end

  should "not replace existing messages" do
    req = Rack::MockRequest.new(
      show_status(
        lambda{|env|
          [404, {"Content-Type" => "text/plain", "Content-Length" => "4"}, ["foo!"]]
    }))

    res = req.get("/", :lint => true)
    res.should.be.not_found

    res.body.should == "foo!"
  end

  should "pass on original headers" do
    headers = {"WWW-Authenticate" => "Basic blah"}

    req = Rack::MockRequest.new(
      show_status(lambda{|env| [401, headers, []] }))
    res = req.get("/", :lint => true)

    res["WWW-Authenticate"].should.equal("Basic blah")
  end

  should "replace existing messages if there is detail" do
    req = Rack::MockRequest.new(
      show_status(
        lambda{|env|
          env["rack.showstatus.detail"] = "gone too meta."
          [404, {"Content-Type" => "text/plain", "Content-Length" => "4"}, ["foo!"]]
    }))

    res = req.get("/", :lint => true)
    res.should.be.not_found
    res.should.be.not.empty

    res["Content-Type"].should.equal("text/html")
    res["Content-Length"].should.not.equal("4")
    res.should =~ /404/
    res.should =~ /too meta/
    res.body.should.not =~ /foo/
  end
end