neovim/test/functional/terminal/scrollback_spec.lua
ZyX ff470bb853 functests: Check logs in lua code
It is otherwise impossible to determine which test failed sanitizer/valgrind
check. test/functional/helpers.lua module return was changed so that tests which
do not provide after_each function to get new check will automatically fail.
2016-06-10 21:50:49 +03:00

360 lines
14 KiB
Lua

local Screen = require('test.functional.ui.screen')
local helpers = require('test.functional.helpers')(after_each)
local thelpers = require('test.functional.terminal.helpers')
local clear, eq, curbuf = helpers.clear, helpers.eq, helpers.curbuf
local feed, nvim_dir, execute = helpers.feed, helpers.nvim_dir, helpers.execute
local wait = helpers.wait
local feed_data = thelpers.feed_data
describe('terminal scrollback', function()
local screen
before_each(function()
clear()
screen = thelpers.screen_setup()
end)
after_each(function()
screen:detach()
end)
describe('when the limit is crossed', function()
before_each(function()
local lines = {}
for i = 1, 30 do
table.insert(lines, 'line'..tostring(i))
end
table.insert(lines, '')
feed_data(lines)
screen:expect([[
line26 |
line27 |
line28 |
line29 |
line30 |
{1: } |
-- TERMINAL -- |
]])
end)
it('will delete extra lines at the top', function()
feed('<c-\\><c-n>gg')
screen:expect([[
^line16 |
line17 |
line18 |
line19 |
line20 |
line21 |
|
]])
end)
end)
describe('with the cursor at the last row', function()
before_each(function()
feed_data({'line1', 'line2', 'line3', 'line4', ''})
screen:expect([[
tty ready |
line1 |
line2 |
line3 |
line4 |
{1: } |
-- TERMINAL -- |
]])
end)
describe('and 1 line is printed', function()
before_each(function() feed_data({'line5', ''}) end)
it('will hide the top line', function()
screen:expect([[
line1 |
line2 |
line3 |
line4 |
line5 |
{1: } |
-- TERMINAL -- |
]])
eq(7, curbuf('line_count'))
end)
describe('and then 3 more lines are printed', function()
before_each(function() feed_data({'line6', 'line7', 'line8'}) end)
it('will hide the top 4 lines', function()
screen:expect([[
line3 |
line4 |
line5 |
line6 |
line7 |
line8{1: } |
-- TERMINAL -- |
]])
feed('<c-\\><c-n>6k')
screen:expect([[
^line2 |
line3 |
line4 |
line5 |
line6 |
line7 |
|
]])
feed('gg')
screen:expect([[
^tty ready |
line1 |
line2 |
line3 |
line4 |
line5 |
|
]])
feed('G')
screen:expect([[
line3 |
line4 |
line5 |
line6 |
line7 |
^line8{2: } |
|
]])
end)
end)
end)
describe('and the height is decreased by 1', function()
local function will_hide_top_line()
screen:try_resize(screen._width, screen._height - 1)
screen:expect([[
line2 |
line3 |
line4 |
rows: 5, cols: 50 |
{1: } |
-- TERMINAL -- |
]])
end
it('will hide top line', will_hide_top_line)
describe('and then decreased by 2', function()
before_each(function()
will_hide_top_line()
screen:try_resize(screen._width, screen._height - 2)
end)
it('will hide the top 3 lines', function()
screen:expect([[
rows: 5, cols: 50 |
rows: 3, cols: 50 |
{1: } |
-- TERMINAL -- |
]])
eq(8, curbuf('line_count'))
feed('<c-\\><c-n>3k')
screen:expect([[
^line4 |
rows: 5, cols: 50 |
rows: 3, cols: 50 |
|
]])
end)
end)
end)
end)
describe('with empty lines after the cursor', function()
describe('and the height is decreased by 2', function()
before_each(function()
screen:try_resize(screen._width, screen._height - 2)
end)
local function will_delete_last_two_lines()
screen:expect([[
tty ready |
rows: 4, cols: 50 |
{1: } |
|
-- TERMINAL -- |
]])
eq(4, curbuf('line_count'))
end
it('will delete the last two empty lines', will_delete_last_two_lines)
describe('and then decreased by 1', function()
before_each(function()
will_delete_last_two_lines()
screen:try_resize(screen._width, screen._height - 1)
end)
it('will delete the last line and hide the first', function()
screen:expect([[
rows: 4, cols: 50 |
rows: 3, cols: 50 |
{1: } |
-- TERMINAL -- |
]])
eq(4, curbuf('line_count'))
feed('<c-\\><c-n>gg')
screen:expect([[
^tty ready |
rows: 4, cols: 50 |
rows: 3, cols: 50 |
|
]])
feed('a')
screen:expect([[
rows: 4, cols: 50 |
rows: 3, cols: 50 |
{1: } |
-- TERMINAL -- |
]])
end)
end)
end)
end)
describe('with 4 lines hidden in the scrollback', function()
before_each(function()
feed_data({'line1', 'line2', 'line3', 'line4', ''})
screen:expect([[
tty ready |
line1 |
line2 |
line3 |
line4 |
{1: } |
-- TERMINAL -- |
]])
screen:try_resize(screen._width, screen._height - 3)
screen:expect([[
line4 |
rows: 3, cols: 50 |
{1: } |
-- TERMINAL -- |
]])
eq(7, curbuf('line_count'))
end)
describe('and the height is increased by 1', function()
local function pop_then_push()
screen:try_resize(screen._width, screen._height + 1)
screen:expect([[
line4 |
rows: 3, cols: 50 |
rows: 4, cols: 50 |
{1: } |
-- TERMINAL -- |
]])
end
it('will pop 1 line and then push it back', pop_then_push)
describe('and then by 3', function()
before_each(function()
pop_then_push()
eq(8, curbuf('line_count'))
screen:try_resize(screen._width, screen._height + 3)
end)
local function pop3_then_push1()
screen:expect([[
line2 |
line3 |
line4 |
rows: 3, cols: 50 |
rows: 4, cols: 50 |
rows: 7, cols: 50 |
{1: } |
-- TERMINAL -- |
]])
eq(9, curbuf('line_count'))
feed('<c-\\><c-n>gg')
screen:expect([[
^tty ready |
line1 |
line2 |
line3 |
line4 |
rows: 3, cols: 50 |
rows: 4, cols: 50 |
|
]])
end
it('will pop 3 lines and then push one back', pop3_then_push1)
describe('and then by 4', function()
before_each(function()
pop3_then_push1()
feed('Gi')
screen:try_resize(screen._width, screen._height + 4)
end)
it('will show all lines and leave a blank one at the end', function()
screen:expect([[
tty ready |
line1 |
line2 |
line3 |
line4 |
rows: 3, cols: 50 |
rows: 4, cols: 50 |
rows: 7, cols: 50 |
rows: 11, cols: 50 |
{1: } |
|
-- TERMINAL -- |
]])
-- since there's an empty line after the cursor, the buffer line
-- count equals the terminal screen height
eq(11, curbuf('line_count'))
end)
end)
end)
end)
end)
end)
describe('terminal prints more lines than the screen height and exits', function()
it('will push extra lines to scrollback', function()
clear()
local screen = Screen.new(50, 7)
screen:attach(false)
execute('call termopen(["'..nvim_dir..'/tty-test", "10"]) | startinsert')
wait()
screen:expect([[
line6 |
line7 |
line8 |
line9 |
|
[Process exited 0] |
-- TERMINAL -- |
]])
feed('<cr>')
-- closes the buffer correctly after pressing a key
screen:expect([[
^ |
~ |
~ |
~ |
~ |
~ |
|
]])
end)
end)