Describe gina#custom#command
  Before all
    let scheme = 'status'
    let pattern = '/\%(branch\|tag\)'
  End

  After all
    %bwipeout!
    call gina#custom#clear()
  End

  Before
    %bwipeout!
    call gina#custom#clear()
  End

  Describe #option({scheme}, {query} [, {value}])
    It define {query} option for a {scheme} command
      call gina#custom#command#option(scheme, '--ignore-submodule')
      let args = gina#core#args#new('status')
      Assert Equals(args.raw, [
            \ 'status',
            \ '--ignore-submodule',
            \])

      call gina#custom#command#option(scheme, '--untracked-files', 'all')
      let args = gina#core#args#new('status')
      Assert Equals(args.raw, [
            \ 'status',
            \ '--ignore-submodule',
            \ '--untracked-files=all',
            \])

      let args = gina#core#args#new('status --no-ignore-submodule')
      Assert Equals(args.raw, [
            \ 'status',
            \ '--untracked-files=all',
            \])

      let args = gina#core#args#new('status --untracked-files=none')
      Assert Equals(args.raw, [
            \ 'status',
            \ '--untracked-files=none',
            \ '--ignore-submodule',
            \])
    End

    It define {query} option for commands which match with {pattern}
      call gina#custom#command#option(pattern, '--opener=vsplit')
      let args = gina#core#args#new('status')
      Assert Equals(args.raw, [
            \ 'status',
            \])

      let args = gina#core#args#new('branch')
      Assert Equals(args.raw, [
            \ 'branch',
            \ '--opener=vsplit',
            \])

      let args = gina#core#args#new('tag')
      Assert Equals(args.raw, [
            \ 'tag',
            \ '--opener=vsplit',
            \])
    End
  End

  Describe #alias({scheme}, {alias} [, {raw}])
    It define an alias of {scheme} command to {alias}
      let args = gina#core#args#new('st')
      Assert Equals(args.raw, ['st'])

      call gina#custom#command#alias('status', 'st')
      let args = gina#core#args#new('st')
      Assert Equals(args.raw, ['status'])

      call gina#custom#command#alias('status', 'st', 1)
      let args = gina#core#args#new('st')
      Assert Equals(args.raw, ['_raw', 'status'])
    End

    It 's namespace for options are distinct from an original command
      call gina#custom#command#option('status', '--ignore-submodule')
      call gina#custom#command#alias('status', 'st')

      let args = gina#core#args#new('status')
      Assert Equals(args.raw, ['status', '--ignore-submodule'])
      let args = gina#core#args#new('st')
      Assert Equals(args.raw, ['status'])
    End
  End
End