spec/ruby/library/net/ftp/help_spec.rb


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require_relative '../../../spec_helper'

ruby_version_is ""..."3.1" do
  require_relative 'spec_helper'
  require_relative 'fixtures/server'

  describe "Net::FTP#help" do
    def with_connection
      yield
    end

    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

    it "writes the HELP command to the server" do
      @ftp.help
      @ftp.last_response.should == "211 System status, or system help reply. (HELP)\n"
    end

    it "returns the server's response" do
      @ftp.help.should == "211 System status, or system help reply. (HELP)\n"
    end

    it "writes the HELP command with an optional parameter to the socket" do
      @ftp.help("some parameter").should == "211 System status, or system help reply. (HELP some parameter)\n"
    end

    it "does not raise any error when the response code is 211" do
      @server.should_receive(:help).and_respond("211 System status, or system help reply.")
      -> { @ftp.help }.should_not raise_error
    end

    it "does not raise any error when the response code is 214" do
      @server.should_receive(:help).and_respond("214 Help message.")
      -> { @ftp.help }.should_not raise_error
    end

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

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

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

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