require_relative '../../spec_helper'

ruby_version_is ""..."4.0" do
  require 'cgi'

  describe "CGI#initialize" do
    it "is private" do
      CGI.private_instance_methods(false).should.include?(:initialize)
    end
  end

  describe "CGI#initialize when passed no arguments" do
    before :each do
      ENV['REQUEST_METHOD'], @old_request_method = "GET", ENV['REQUEST_METHOD']
      @cgi = CGI.allocate
    end

    after :each do
      ENV['REQUEST_METHOD'] = @old_request_method
    end

    it "extends self with CGI::QueryExtension" do
      @cgi.send(:initialize)
      @cgi.should.is_a?(CGI::QueryExtension)
    end

    it "does not extend self with CGI::HtmlExtension" do
      @cgi.send(:initialize)
      @cgi.should_not.is_a?(CGI::HtmlExtension)
    end

    it "does not extend self with any of the other HTML modules" do
      @cgi.send(:initialize)
      @cgi.should_not.is_a?(CGI::HtmlExtension)
      @cgi.should_not.is_a?(CGI::Html3)
      @cgi.should_not.is_a?(CGI::Html4)
      @cgi.should_not.is_a?(CGI::Html4Tr)
      @cgi.should_not.is_a?(CGI::Html4Fr)
    end

    it "sets #cookies based on ENV['HTTP_COOKIE']" do
      begin
        old_env, ENV["HTTP_COOKIE"] = ENV["HTTP_COOKIE"], "test=test yay"
        @cgi.send(:initialize)
        @cgi.cookies.should == { "test"=>[ "test yay" ] }
      ensure
        ENV["HTTP_COOKIE"] = old_env
      end
    end

    it "sets #params based on ENV['QUERY_STRING'] when ENV['REQUEST_METHOD'] is GET" do
      begin
        old_env_query, ENV["QUERY_STRING"] = ENV["QUERY_STRING"], "?test=a&test2=b"
        old_env_method, ENV["REQUEST_METHOD"] = ENV["REQUEST_METHOD"], "GET"
        @cgi.send(:initialize)
        @cgi.params.should == { "test2" => ["b"], "?test" => ["a"] }
      ensure
        ENV["QUERY_STRING"] = old_env_query
        ENV["REQUEST_METHOD"] = old_env_method
      end
    end

    it "sets #params based on ENV['QUERY_STRING'] when ENV['REQUEST_METHOD'] is HEAD" do
      begin
        old_env_query, ENV["QUERY_STRING"] = ENV["QUERY_STRING"], "?test=a&test2=b"
        old_env_method, ENV["REQUEST_METHOD"] = ENV["REQUEST_METHOD"], "HEAD"
        @cgi.send(:initialize)
        @cgi.params.should == { "test2" => ["b"], "?test" => ["a"] }
      ensure
        ENV["QUERY_STRING"] = old_env_query
        ENV["REQUEST_METHOD"] = old_env_method
      end
    end
  end

  describe "CGI#initialize when passed type" do
    before :each do
      ENV['REQUEST_METHOD'], @old_request_method = "GET", ENV['REQUEST_METHOD']
      @cgi = CGI.allocate
    end

    after :each do
      ENV['REQUEST_METHOD'] = @old_request_method
    end


    it "extends self with CGI::QueryExtension" do
      @cgi.send(:initialize, "test")
      @cgi.should.is_a?(CGI::QueryExtension)
    end

    it "extends self with CGI::QueryExtension, CGI::Html3 and CGI::HtmlExtension when the passed type is 'html3'" do
      @cgi.send(:initialize, "html3")
      @cgi.should.is_a?(CGI::Html3)
      @cgi.should.is_a?(CGI::HtmlExtension)
      @cgi.should.is_a?(CGI::QueryExtension)

      @cgi.should_not.is_a?(CGI::Html4)
      @cgi.should_not.is_a?(CGI::Html4Tr)
      @cgi.should_not.is_a?(CGI::Html4Fr)
    end

    it "extends self with CGI::QueryExtension, CGI::Html4 and CGI::HtmlExtension when the passed type is 'html4'" do
      @cgi.send(:initialize, "html4")
      @cgi.should.is_a?(CGI::Html4)
      @cgi.should.is_a?(CGI::HtmlExtension)
      @cgi.should.is_a?(CGI::QueryExtension)

      @cgi.should_not.is_a?(CGI::Html3)
      @cgi.should_not.is_a?(CGI::Html4Tr)
      @cgi.should_not.is_a?(CGI::Html4Fr)
    end

    it "extends self with CGI::QueryExtension, CGI::Html4Tr and CGI::HtmlExtension when the passed type is 'html4Tr'" do
      @cgi.send(:initialize, "html4Tr")
      @cgi.should.is_a?(CGI::Html4Tr)
      @cgi.should.is_a?(CGI::HtmlExtension)
      @cgi.should.is_a?(CGI::QueryExtension)

      @cgi.should_not.is_a?(CGI::Html3)
      @cgi.should_not.is_a?(CGI::Html4)
      @cgi.should_not.is_a?(CGI::Html4Fr)
    end

    it "extends self with CGI::QueryExtension, CGI::Html4Tr, CGI::Html4Fr and CGI::HtmlExtension when the passed type is 'html4Fr'" do
      @cgi.send(:initialize, "html4Fr")
      @cgi.should.is_a?(CGI::Html4Tr)
      @cgi.should.is_a?(CGI::Html4Fr)
      @cgi.should.is_a?(CGI::HtmlExtension)
      @cgi.should.is_a?(CGI::QueryExtension)

      @cgi.should_not.is_a?(CGI::Html3)
      @cgi.should_not.is_a?(CGI::Html4)
    end
  end
end
