[tor-bugs] #31637 [Core Tor/Tor]: Make sure we have test coverage for Option, +Option and /Option across defaults, torrc, command line

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#31637: Make sure we have test coverage for Option, +Option and /Option across
defaults, torrc, command line
------------------------------+-----------------------------------------
     Reporter:  teor          |      Owner:  nickm
         Type:  defect        |     Status:  assigned
     Priority:  Medium        |  Milestone:  Tor: 0.4.2.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  network-team-roadmap-august
Actual Points:                |  Parent ID:  #29211
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+-----------------------------------------
 The tor man page says:

     By default, an option on the command line overrides an option found in
 the configuration file, and an option in a configuration file overrides
 one in the defaults file.

     This rule is simple for options that take a single value, but it can
 become complicated for options that are allowed to occur more than once:
 if you specify four SocksPorts in your configuration file, and one more
 SocksPort on the command line, the option on the command line will replace
 all of the SocksPorts in the configuration file. If this isn’t what you
 want, prefix the option name with a plus sign (+), and it will be appended
 to the previous set of options instead. For example, setting SocksPort
 9100 will use only port 9100, but setting +SocksPort 9100 will use ports
 9100 and 9050 (because this is the default).

     Alternatively, you might want to remove every instance of an option in
 the configuration file, and not replace it at all: you might want to say
 on the command line that you want no SocksPorts at all. To do that, prefix
 the option name with a forward slash (/). You can use the plus sign (+)
 and the forward slash (/) in the configuration file and on the command
 line.

 Where are our tests for this specification, and do they have the coverage
 we need to test this refactor?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31637>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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