path: root/test/functional/terminal/tui_spec.lua

-- TUI acceptance tests.
-- Uses :terminal as a way to send keys and assert screen state.
--
-- "bracketed paste" terminal feature:
-- http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-Bracketed-Paste-Mode

local helpers = require('test.functional.helpers')(after_each)
local uname = helpers.uname
local thelpers = require('test.functional.terminal.helpers')
local Screen = require('test.functional.ui.screen')
local eq = helpers.eq
local feed_command = helpers.feed_command
local feed_data = thelpers.feed_data
local clear = helpers.clear
local command = helpers.command
local eval = helpers.eval
local nvim_dir = helpers.nvim_dir
local retry = helpers.retry
local nvim_prog = helpers.nvim_prog
local nvim_set = helpers.nvim_set
local ok = helpers.ok
local read_file = helpers.read_file

if helpers.pending_win32(pending) then return end

describe('TUI', function()
  local screen
  local child_session

  before_each(function()
    clear()
    local child_server = helpers.new_pipename()
    screen = thelpers.screen_setup(0,
      string.format([=[["%s", "--listen", "%s", "-u", "NONE", "-i", "NONE", "--cmd", "%s laststatus=2 background=dark"]]=],
        nvim_prog, child_server, nvim_set))
    screen:expect([[
      {1: }                                                 |
      {4:~                                                 }|
      {4:~                                                 }|
      {4:~                                                 }|
      {5:[No Name]                                         }|
                                                        |
      {3:-- TERMINAL --}                                    |
    ]])
    child_session = helpers.connect(child_server)
  end)

  after_each(function()
    screen:detach()
  end)

  -- Wait for mode in the child Nvim (avoid "typeahead race" #10826).
  local function wait_for_mode(mode)
    retry(nil, nil, function()
      local _, m = child_session:request('nvim_get_mode')
      eq(mode, m.mode)
    end)
  end

  -- Assert buffer contents in the child Nvim.
  local function expect_child_buf_lines(expected)
    assert(type({}) == type(expected))
    retry(nil, nil, function()
      local _, buflines = child_session:request(
        'nvim_buf_get_lines', 0, 0, -1, false)
      eq(expected, buflines)
    end)
  end

  it('rapid resize #7572 #7628', function()
    -- Need buffer rows to provoke the behavior.
    feed_data(":edit test/functional/fixtures/bigfile.txt:")
    command('call jobresize(b:terminal_job_id, 58, 9)')
    command('call jobresize(b:terminal_job_id, 62, 13)')
    command('call jobresize(b:terminal_job_id, 100, 42)')
    command('call jobresize(b:terminal_job_id, 37, 1000)')
    -- Resize to <5 columns.
    screen:try_resize(4, 44)
    command('call jobresize(b:terminal_job_id, 4, 1000)')
    -- Resize to 1 row, then to 1 column, then increase rows to 4.
    screen:try_resize(44, 1)
    command('call jobresize(b:terminal_job_id, 44, 1)')
    screen:try_resize(1, 1)
    command('call jobresize(b:terminal_job_id, 1, 1)')
    screen:try_resize(1, 4)
    command('call jobresize(b:terminal_job_id, 1, 4)')
    screen:try_resize(57, 17)
    command('call jobresize(b:terminal_job_id, 57, 17)')
    eq(2, eval("1+1"))  -- Still alive?
  end)

  it('accepts resize while pager is active', function()
    child_session:request("nvim_command", [[
    set more
    func! ManyErr()
      for i in range(10)
        echoerr "FAIL ".i
      endfor
    endfunc
    ]])
    feed_data(':call ManyErr()\r')
    screen:expect{grid=[[
      {8:Error detected while processing function ManyErr:} |
      {11:line    2:}                                        |
      {8:FAIL 0}                                            |
      {8:FAIL 1}                                            |
      {8:FAIL 2}                                            |
      {10:-- More --}{1: }                                       |
      {3:-- TERMINAL --}                                    |
    ]]}

    feed_data('d')
    screen:expect{grid=[[
      {8:FAIL 1}                                            |
      {8:FAIL 2}                                            |
      {8:FAIL 3}                                            |
      {8:FAIL 4}                                            |
      {8:FAIL 5}                                            |
      {10:-- More --}{1: }                                       |
      {3:-- TERMINAL --}                                    |
    ]]}

    screen:try_resize(50,5)
    screen:expect{grid=[[
      {8:FAIL 3}                                            |
      {8:FAIL 4}                                            |
      {8:FAIL 5}                                            |
      {10:-- More --}{1: }                                       |
      {3:-- TERMINAL --}                                    |
    ]]}

    -- TODO(bfredl): messes up the output (just like vim does).
    feed_data('g')
    screen:expect{grid=[[
                    )                                   |
      {8:Error detected while processing