mirror of
https://github.com/neovim/neovim
synced 2025-07-15 08:41:47 +00:00
a945686444
Problem: Cannot use `nvim_open_term()` to pipe terminal scrollback > 100000 Solution: Increase scrollback limit to 1000000 If there's no technical consequences of doing this, can be set even higher in the future.
645 lines
21 KiB
Lua
645 lines
21 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local Screen = require('test.functional.ui.screen')
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local tt = require('test.functional.testterm')
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local clear, eq = n.clear, t.eq
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local feed, testprg = n.feed, n.testprg
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local eval = n.eval
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local command = n.command
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local poke_eventloop = n.poke_eventloop
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local retry = t.retry
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local api = n.api
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local feed_data = tt.feed_data
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local pcall_err = t.pcall_err
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local exec_lua = n.exec_lua
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local assert_alive = n.assert_alive
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local skip = t.skip
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local is_os = t.is_os
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describe(':terminal scrollback', function()
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local screen
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before_each(function()
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clear()
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screen = tt.setup_screen(nil, nil, 30)
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end)
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describe('when the limit is exceeded', function()
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before_each(function()
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local lines = {}
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for i = 1, 30 do
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table.insert(lines, 'line' .. tostring(i))
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end
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table.insert(lines, '')
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feed_data(lines)
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screen:expect([[
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line26 |
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line27 |
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line28 |
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line29 |
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line30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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end)
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it('will delete extra lines at the top', function()
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feed('<c-\\><c-n>gg')
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screen:expect([[
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^line16 |
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line17 |
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line18 |
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line19 |
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line20 |
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line21 |
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]])
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end)
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end)
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describe('with cursor at last row', function()
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before_each(function()
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feed_data({ 'line1', 'line2', 'line3', 'line4', '' })
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screen:expect([[
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tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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^ |
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{3:-- TERMINAL --} |
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]])
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end)
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describe('and 1 line is printed', function()
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before_each(function()
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feed_data({ 'line5', '' })
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end)
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it('will hide the top line', function()
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screen:expect([[
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line1 |
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line2 |
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line3 |
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line4 |
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line5 |
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^ |
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{3:-- TERMINAL --} |
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]])
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eq(7, api.nvim_buf_line_count(0))
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end)
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describe('and then 3 more lines are printed', function()
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before_each(function()
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feed_data({ 'line6', 'line7', 'line8' })
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end)
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it('will hide the top 4 lines', function()
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screen:expect([[
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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line8^ |
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{3:-- TERMINAL --} |
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]])
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feed('<c-\\><c-n>6k')
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screen:expect([[
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^line2 |
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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]])
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feed('gg')
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screen:expect([[
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^tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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line5 |
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]])
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feed('G')
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screen:expect([[
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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^line8 |
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]])
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end)
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end)
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end)
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describe('and height decreased by 1', function()
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local function will_hide_top_line()
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feed([[<C-\><C-N>]])
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screen:try_resize(screen._width - 2, screen._height - 1)
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screen:expect([[
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line2 |
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line3 |
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line4 |
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rows: 5, cols: 28 |
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^ |
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]])
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end
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it('will hide top line', will_hide_top_line)
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describe('and then decreased by 2', function()
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before_each(function()
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will_hide_top_line()
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screen:try_resize(screen._width - 2, screen._height - 2)
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end)
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it('will hide the top 3 lines', function()
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screen:expect([[
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rows: 5, cols: 28 |
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rows: 3, cols: 26 |
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^ |
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]])
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eq(8, api.nvim_buf_line_count(0))
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feed([[3k]])
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screen:expect([[
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^line4 |
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rows: 5, cols: 28 |
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rows: 3, cols: 26 |
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]])
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end)
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end)
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end)
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end)
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describe('with empty lines after the cursor', function()
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-- XXX: Can't test this reliably on Windows unless the cursor is _moved_
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-- by the resize. http://docs.libuv.org/en/v1.x/signal.html
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-- See also: https://github.com/rprichard/winpty/issues/110
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if skip(is_os('win')) then
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return
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end
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describe('and the height is decreased by 2', function()
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before_each(function()
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screen:try_resize(screen._width, screen._height - 2)
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end)
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local function will_delete_last_two_lines()
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screen:expect([[
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tty ready |
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rows: 4, cols: 30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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eq(4, api.nvim_buf_line_count(0))
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end
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it('will delete the last two empty lines', will_delete_last_two_lines)
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describe('and then decreased by 1', function()
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before_each(function()
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will_delete_last_two_lines()
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screen:try_resize(screen._width, screen._height - 1)
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end)
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it('will delete the last line and hide the first', function()
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screen:expect([[
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rows: 4, cols: 30 |
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rows: 3, cols: 30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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eq(4, api.nvim_buf_line_count(0))
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feed('<c-\\><c-n>gg')
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screen:expect([[
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^tty ready |
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rows: 4, cols: 30 |
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rows: 3, cols: 30 |
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]])
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feed('a')
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screen:expect([[
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rows: 4, cols: 30 |
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rows: 3, cols: 30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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end)
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end)
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end)
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end)
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describe('with 4 lines hidden in the scrollback', function()
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before_each(function()
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feed_data({ 'line1', 'line2', 'line3', 'line4', '' })
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screen:expect([[
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tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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^ |
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{3:-- TERMINAL --} |
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]])
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screen:try_resize(screen._width, screen._height - 3)
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screen:expect([[
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line4 |
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rows: 3, cols: 30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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eq(7, api.nvim_buf_line_count(0))
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end)
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describe('and the height is increased by 1', function()
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-- XXX: Can't test this reliably on Windows unless the cursor is _moved_
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-- by the resize. http://docs.libuv.org/en/v1.x/signal.html
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-- See also: https://github.com/rprichard/winpty/issues/110
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if skip(is_os('win')) then
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return
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end
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local function pop_then_push()
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screen:try_resize(screen._width, screen._height + 1)
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screen:expect([[
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line4 |
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rows: 3, cols: 30 |
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rows: 4, cols: 30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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end
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it('will pop 1 line and then push it back', pop_then_push)
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describe('and then by 3', function()
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before_each(function()
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pop_then_push()
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eq(8, api.nvim_buf_line_count(0))
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screen:try_resize(screen._width, screen._height + 3)
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end)
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local function pop3_then_push1()
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screen:expect([[
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line2 |
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line3 |
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line4 |
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rows: 3, cols: 30 |
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rows: 4, cols: 30 |
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rows: 7, cols: 30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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eq(9, api.nvim_buf_line_count(0))
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feed('<c-\\><c-n>gg')
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screen:expect([[
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^tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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rows: 3, cols: 30 |
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rows: 4, cols: 30 |
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]])
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end
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it('will pop 3 lines and then push one back', pop3_then_push1)
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describe('and then by 4', function()
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before_each(function()
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pop3_then_push1()
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feed('Gi')
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screen:try_resize(screen._width, screen._height + 4)
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end)
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it('will show all lines and leave a blank one at the end', function()
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screen:expect([[
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tty ready |
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line1 |
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line2 |
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line3 |
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line4 |
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rows: 3, cols: 30 |
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rows: 4, cols: 30 |
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rows: 7, cols: 30 |
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rows: 11, cols: 30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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-- since there's an empty line after the cursor, the buffer line
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-- count equals the terminal screen height
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eq(11, api.nvim_buf_line_count(0))
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end)
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end)
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end)
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end)
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end)
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end)
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describe(':terminal prints more lines than the screen height and exits', function()
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it('will push extra lines to scrollback', function()
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clear()
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local screen = Screen.new(30, 7, { rgb = false })
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command(
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("call jobstart(['%s', '10'], {'term':v:true}) | startinsert"):format(testprg('tty-test'))
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)
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screen:expect([[
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line6 |
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line7 |
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line8 |
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line9 |
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[Process exited 0]^ |
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{5:-- TERMINAL --} |
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]])
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feed('<cr>')
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-- closes the buffer correctly after pressing a key
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screen:expect {
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grid = [[
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^ |
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{1:~ }|*5
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]],
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attr_ids = { [1] = { foreground = 12 } },
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}
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end)
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end)
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describe("'scrollback' option", function()
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before_each(function()
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clear()
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end)
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local function set_fake_shell()
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api.nvim_set_option_value('shell', string.format('"%s" INTERACT', testprg('shell-test')), {})
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end
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local function expect_lines(expected, epsilon)
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local ep = epsilon and epsilon or 0
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local actual = eval("line('$')")
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if expected > actual + ep and expected < actual - ep then
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error('expected (+/- ' .. ep .. '): ' .. expected .. ', actual: ' .. tostring(actual))
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end
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end
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it('set to 0 behaves as 1', function()
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local screen
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if is_os('win') then
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screen = tt.setup_screen(nil, { 'cmd.exe' }, 30)
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else
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screen = tt.setup_screen(nil, { 'sh' }, 30)
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end
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api.nvim_set_option_value('scrollback', 0, {})
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feed_data(('%s REP 31 line%s'):format(testprg('shell-test'), is_os('win') and '\r' or '\n'))
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screen:expect { any = '30: line ' }
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retry(nil, nil, function()
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expect_lines(7)
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end)
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end)
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it('deletes lines (only) if necessary', function()
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local screen
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if is_os('win') then
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command([[let $PROMPT='$$']])
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screen = tt.setup_screen(nil, { 'cmd.exe' }, 30)
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else
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command('let $PS1 = "$"')
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screen = tt.setup_screen(nil, { 'sh' }, 30)
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end
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api.nvim_set_option_value('scrollback', 200, {})
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-- Wait for prompt.
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screen:expect { any = '%$' }
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feed_data(('%s REP 31 line%s'):format(testprg('shell-test'), is_os('win') and '\r' or '\n'))
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screen:expect { any = '30: line ' }
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retry(nil, nil, function()
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expect_lines(33, 2)
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end)
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api.nvim_set_option_value('scrollback', 10, {})
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poke_eventloop()
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retry(nil, nil, function()
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expect_lines(16)
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end)
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api.nvim_set_option_value('scrollback', 10000, {})
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retry(nil, nil, function()
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expect_lines(16)
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end)
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-- Terminal job data is received asynchronously, may happen before the
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-- 'scrollback' option is synchronized with the internal sb_buffer.
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command('sleep 100m')
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feed_data(('%s REP 41 line%s'):format(testprg('shell-test'), is_os('win') and '\r' or '\n'))
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if is_os('win') then
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screen:expect {
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grid = [[
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37: line |
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38: line |
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39: line |
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40: line |
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$^ |
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{3:-- TERMINAL --} |
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]],
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}
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else
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screen:expect {
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grid = [[
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36: line |
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37: line |
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38: line |
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39: line |
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40: line |
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{MATCH:.*}|
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{3:-- TERMINAL --} |
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]],
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}
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end
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expect_lines(58)
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-- Verify off-screen state
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eq((is_os('win') and '36: line' or '35: line'), eval("getline(line('w0') - 1)->trim(' ', 2)"))
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eq((is_os('win') and '27: line' or '26: line'), eval("getline(line('w0') - 10)->trim(' ', 2)"))
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end)
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it('deletes extra lines immediately', function()
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-- Scrollback is 10 on setup_screen
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local screen = tt.setup_screen(nil, nil, 30)
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local lines = {}
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for i = 1, 30 do
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table.insert(lines, 'line' .. tostring(i))
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end
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table.insert(lines, '')
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feed_data(lines)
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screen:expect([[
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line26 |
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line27 |
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line28 |
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line29 |
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line30 |
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^ |
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{3:-- TERMINAL --} |
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]])
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local term_height = 6 -- Actual terminal screen height, not the scrollback
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-- Initial
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local scrollback = api.nvim_get_option_value('scrollback', {})
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eq(scrollback + term_height, eval('line("$")'))
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-- Reduction
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scrollback = scrollback - 2
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api.nvim_set_option_value('scrollback', scrollback, {})
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eq(scrollback + term_height, eval('line("$")'))
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end)
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it('defaults to 10000 in :terminal buffers', function()
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set_fake_shell()
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command('terminal')
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eq(10000, api.nvim_get_option_value('scrollback', {}))
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end)
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it('error if set to invalid value', function()
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eq('Vim(set):E474: Invalid argument: scrollback=-2', pcall_err(command, 'set scrollback=-2'))
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eq(
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'Vim(set):E474: Invalid argument: scrollback=1000001',
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pcall_err(command, 'set scrollback=1000001')
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)
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end)
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it('defaults to -1 on normal buffers', function()
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command('new')
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eq(-1, api.nvim_get_option_value('scrollback', {}))
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end)
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it(':setlocal in a :terminal buffer', function()
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set_fake_shell()
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-- _Global_ scrollback=-1 defaults :terminal to 10_000.
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command('setglobal scrollback=-1')
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command('terminal')
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eq(10000, api.nvim_get_option_value('scrollback', {}))
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-- _Local_ scrollback=-1 in :terminal forces the _maximum_.
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command('setlocal scrollback=-1')
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retry(nil, nil, function() -- Fixup happens on refresh, not immediately.
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eq(1000000, api.nvim_get_option_value('scrollback', {}))
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end)
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-- _Local_ scrollback=-1 during TermOpen forces the maximum. #9605
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command('setglobal scrollback=-1')
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command('autocmd TermOpen * setlocal scrollback=-1')
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command('terminal')
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eq(1000000, api.nvim_get_option_value('scrollback', {}))
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end)
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it(':setlocal in a normal buffer', function()
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command('new')
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-- :setlocal to -1.
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command('setlocal scrollback=-1')
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eq(-1, api.nvim_get_option_value('scrollback', {}))
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-- :setlocal to anything except -1. Currently, this just has no effect.
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command('setlocal scrollback=42')
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eq(42, api.nvim_get_option_value('scrollback', {}))
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end)
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|
|
it(':set updates local value and global default', function()
|
|
set_fake_shell()
|
|
command('set scrollback=42') -- set global value
|
|
eq(42, api.nvim_get_option_value('scrollback', {}))
|
|
command('terminal')
|
|
eq(42, api.nvim_get_option_value('scrollback', {})) -- inherits global default
|
|
command('setlocal scrollback=99')
|
|
eq(99, api.nvim_get_option_value('scrollback', {}))
|
|
command('set scrollback<') -- reset to global default
|
|
eq(42, api.nvim_get_option_value('scrollback', {}))
|
|
command('setglobal scrollback=734') -- new global default
|
|
eq(42, api.nvim_get_option_value('scrollback', {})) -- local value did not change
|
|
command('terminal')
|
|
eq(734, api.nvim_get_option_value('scrollback', {}))
|
|
end)
|
|
end)
|
|
|
|
describe('pending scrollback line handling', function()
|
|
local screen
|
|
|
|
before_each(function()
|
|
clear()
|
|
screen = Screen.new(30, 7)
|
|
screen:set_default_attr_ids {
|
|
[1] = { foreground = Screen.colors.Brown },
|
|
[2] = { reverse = true },
|
|
[3] = { bold = true },
|
|
}
|
|
end)
|
|
|
|
it("does not crash after setting 'number' #14891", function()
|
|
exec_lua [[
|
|
local api = vim.api
|
|
local buf = api.nvim_create_buf(true, true)
|
|
local chan = api.nvim_open_term(buf, {})
|
|
vim.wo.number = true
|
|
api.nvim_chan_send(chan, ("a\n"):rep(11) .. "a")
|
|
api.nvim_win_set_buf(0, buf)
|
|
]]
|
|
screen:expect [[
|
|
{1: 1 }^a |
|
|
{1: 2 }a |
|
|
{1: 3 }a |
|
|
{1: 4 }a |
|
|
{1: 5 }a |
|
|
{1: 6 }a |
|
|
|
|
|
]]
|
|
feed('G')
|
|
screen:expect [[
|
|
{1: 7 }a |
|
|
{1: 8 }a |
|
|
{1: 9 }a |
|
|
{1: 10 }a |
|
|
{1: 11 }a |
|
|
{1: 12 }^a |
|
|
|
|
|
]]
|
|
assert_alive()
|
|
end)
|
|
|
|
it('does not crash after nvim_buf_call #14891', function()
|
|
exec_lua(
|
|
[[
|
|
local bufnr = vim.api.nvim_create_buf(false, true)
|
|
local args = ...
|
|
vim.api.nvim_buf_call(bufnr, function()
|
|
vim.fn.jobstart(args, { term = true })
|
|
end)
|
|
vim.api.nvim_win_set_buf(0, bufnr)
|
|
vim.cmd('startinsert')
|
|
]],
|
|
is_os('win') and { 'cmd.exe', '/c', 'for /L %I in (1,1,12) do @echo hi' }
|
|
or { 'printf', ('hi\n'):rep(12) }
|
|
)
|
|
screen:expect [[
|
|
hi |*4
|
|
|
|
|
[Process exited 0]^ |
|
|
{3:-- TERMINAL --} |
|
|
]]
|
|
assert_alive()
|
|
end)
|
|
end)
|