require_relative '../../spec_helper'

ruby_version_is ""..."4.1" do
  require_relative 'spec_helper'
  require_relative 'fixtures/server'

  describe "Net::FTP#chdir" do
    before :each do
      @server = NetFTPSpecs::DummyFTP.new
      @server.serve_once

      @ftp = Net::FTP.new
      @ftp.connect(@server.hostname, @server.server_port)
    end

    after :each do
      @ftp.quit rescue nil
      @ftp.close
      @server.stop
    end

    describe "when switching to the parent directory" do
      it "sends the 'CDUP' command to the server" do
        @ftp.chdir("..")
        @ftp.last_response.should == "200 Command okay. (CDUP)\n"
      end

      it "returns nil" do
        @ftp.chdir("..").should == nil
      end

      it "does not raise a Net::FTPPermError when the response code is 500" do
        @server.should_receive(:cdup).and_respond("500 Syntax error, command unrecognized.")
        -> { @ftp.chdir("..") }.should_not.raise(Net::FTPPermError)
      end

      it "raises a Net::FTPPermError when the response code is 501" do
        @server.should_receive(:cdup).and_respond("501 Syntax error in parameters or arguments.")
        -> { @ftp.chdir("..") }.should.raise(Net::FTPPermError)
      end

      it "raises a Net::FTPPermError when the response code is 502" do
        @server.should_receive(:cdup).and_respond("502 Command not implemented.")
        -> { @ftp.chdir("..") }.should.raise(Net::FTPPermError)
      end

      it "raises a Net::FTPTempError when the response code is 421" do
        @server.should_receive(:cdup).and_respond("421 Service not available, closing control connection.")
        -> { @ftp.chdir("..") }.should.raise(Net::FTPTempError)
      end

      it "raises a Net::FTPPermError when the response code is 530" do
        @server.should_receive(:cdup).and_respond("530 Not logged in.")
        -> { @ftp.chdir("..") }.should.raise(Net::FTPPermError)
      end

      it "raises a Net::FTPPermError when the response code is 550" do
        @server.should_receive(:cdup).and_respond("550 Requested action not taken.")
        -> { @ftp.chdir("..") }.should.raise(Net::FTPPermError)
      end
    end

    it "writes the 'CWD' command with the passed directory to the socket" do
      @ftp.chdir("test")
      @ftp.last_response.should == "200 Command okay. (CWD test)\n"
    end

    it "returns nil" do
      @ftp.chdir("test").should == nil
    end

    it "raises a Net::FTPPermError when the response code is 500" do
      @server.should_receive(:cwd).and_respond("500 Syntax error, command unrecognized.")
      -> { @ftp.chdir("test") }.should.raise(Net::FTPPermError)
    end

    it "raises a Net::FTPPermError when the response code is 501" do
      @server.should_receive(:cwd).and_respond("501 Syntax error in parameters or arguments.")
      -> { @ftp.chdir("test") }.should.raise(Net::FTPPermError)
    end

    it "raises a Net::FTPPermError when the response code is 502" do
      @server.should_receive(:cwd).and_respond("502 Command not implemented.")
      -> { @ftp.chdir("test") }.should.raise(Net::FTPPermError)
    end

    it "raises a Net::FTPTempError when the response code is 421" do
      @server.should_receive(:cwd).and_respond("421 Service not available, closing control connection.")
      -> { @ftp.chdir("test") }.should.raise(Net::FTPTempError)
    end

    it "raises a Net::FTPPermError when the response code is 530" do
      @server.should_receive(:cwd).and_respond("530 Not logged in.")
      -> { @ftp.chdir("test") }.should.raise(Net::FTPPermError)
    end

    it "raises a Net::FTPPermError when the response code is 550" do
      @server.should_receive(:cwd).and_respond("550 Requested action not taken.")
      -> { @ftp.chdir("test") }.should.raise(Net::FTPPermError)
    end
  end
end
