name: "Interactive completion"
incompatible_configs: ["sh"]
cases:
  # A completion function that returns 124 restarts completion, which uses the specs as
  # the function left them, including the special ones (e.g. a `-D` loader replacing
  # itself).
  - name: "Restarted completion uses the specs the completion function registered"
    min_oracle_version: 5.3 # bash 5.2 doesn't restart with a replaced -D spec
    pty: true
    ignore_stdout: true
    stdin: |
      #expect-prompt
      _load() { complete -D -W loaded; return 124; }; complete -D -F _load; zz() { printf '<%s>\n' "$@"; }
      #send:Enter
      #expect-prompt
      zz l
      #send:Tab
      #send:Enter
      #expect:<loaded>
      #expect-prompt
      #send:Ctrl+D

  # Like bash, a completion function that asks for a restart doesn't leave its `COMPREPLY`
  # behind, even when the restart uses a spec that isn't a function.
  - name: "Restarted completion discards the COMPREPLY the function set"
    pty: true
    ignore_stdout: true
    stdin: |
      #expect-prompt
      _f() { COMPREPLY=(leak); complete -W word zz; return 124; }; complete -F _f zz; zz() { :; }
      #send:Enter
      #expect-prompt
      zz w
      #send:Tab
      #send:Enter
      #expect-prompt
      [[ -v COMPREPLY ]] && echo "<leak""ed>" || echo "<un""set>"
      #send:Enter
      #expect:<unset>
      #expect-prompt
      #send:Ctrl+D

  # `compopt` with no names or options shows the options of the completion in progress,
  # as `compopt` in the completion function left them, named by the spec in use: the one
  # found by the command's file name, or the default spec.
  - name: "compopt with no options in a completion function prints the completion's options"
    min_oracle_version: "5.3" # the fullquote option was added in 5.3
    pty: true
    ignore_stdout: true
    stdin: |
      #expect-prompt
      _f() { { compopt; compopt -o nospace +o filenames; compopt; compopt zz; } >>out 2>&1; COMPREPLY=(xy); }; complete -o filenames -F _f zz; complete -D -F _f; zz() { :; }; yy() { :; }
      #send:Enter
      #expect-prompt
      zz x
      #send:Tab
      #send:Enter
      #expect-prompt
      yy x
      #send:Tab
      #send:Enter
      #expect-prompt
      ./zz x
      #send:Tab
      #send:Enter
      #expect-prompt
      #send:Ctrl+D