Support file paths with spaces for RETR command

lib/fake_ftp/server_commands/retr.rb

@@ -3,7 +3,8 @@
 module FakeFtp
  module ServerCommands
  class Retr
- def run(ctx, filename = '', *)
+ def run(ctx, *filename_parts)
+ filename = filename_parts.join(' ')
  ctx.respond_with('501 No filename given') if filename.empty?
 
  f = ctx.file(filename.to_s)

spec/functional/server_spec.rb

@@ -298,6 +298,18 @@
  .to eql("226 File transferred\r\n")
  end
 
+ it 'accepts RETR with a filepath containing spaces' do
+ server.add_file(file_prefix + 'some dir/some file', '1234567890')
+ client.write("RETR #{file_prefix}some dir/some file\r\n")
+ expect(SpecHelper.gets_with_timeout(client))
+ .to eql("150 File status ok, about to open data connection\r\n")
+ data = SpecHelper.gets_with_timeout(data_client, endwith: "\0")
+ data_client.close
+ expect(data).to eql('1234567890')
+ expect(SpecHelper.gets_with_timeout(client))
+ .to eql("226 File transferred\r\n")
+ end
+
  it 'accepts DELE with a filename' do
  server.add_file('some_file', '1234567890')
  client.write("DELE some_file\r\n")