Execute ( SpaceVim api: vim#buffer open ):
  new
  let buffer = SpaceVim#api#import('vim#buffer')
  call buffer.open({'bufname':'foo', 'cmd' : 'setl buftype=nofile bufhidden=wipe'})
  AssertEqual bufname('%'), 'foo'
  AssertEqual &buftype, 'nofile'

Execute ( SpaceVim api: vim#buffer buf_set_lines):
  Log "setbuflin: " . exists('*setbufline')
  Log "has py: "   . has('python')
  Log "has py3: "   . has('python3')
  let buffer = SpaceVim#api#import('vim#buffer')
  new
  let nr = bufnr('%')
  new
  let cb = bufnr('%')
  call buffer.buf_set_lines(nr, 0, 1, 0, ['line 1', 'line 2', 'line 3'])
  AssertEqual getbufline(nr, 1, '$'), ['line 1', 'line 2', 'line 3']
  Log getbufline(cb, 1, '$')