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-- To test tui/input.c, this module spawns `nvim` inside :terminal and sends
-- bytes via jobsend(). Note: the functional/helpers.lua test-session methods
-- operate on the _host_ session, _not_ the child session.
local helpers = require('test.functional.helpers')(nil)
local Screen = require('test.functional.ui.screen')
local testprg = helpers.testprg
local feed_command, nvim = helpers.feed_command, helpers.nvim
local function feed_data(data)
-- A string containing NUL bytes is not converted to a Blob when
-- calling nvim_set_var() API, so convert it using Lua instead.
nvim('exec_lua', 'vim.g.term_data = ...', {data})
nvim('command', 'call jobsend(b:terminal_job_id, term_data)')
end
local function feed_termcode(data)
-- feed with the job API
nvim('command', 'call jobsend(b:terminal_job_id, "\\x1b'..data..'")')
end
-- some helpers for controlling the terminal. the codes were taken from
-- infocmp xterm-256color which is less what libvterm understands
-- civis/cnorm
local function hide_cursor() feed_termcode('[?25l') end
local function show_cursor() feed_termcode('[?25h') end
-- smcup/rmcup
local function enter_altscreen() feed_termcode('[?1049h') end
local function exit_altscreen() feed_termcode('[?1049l') end
-- character attributes
local function set_fg(num) feed_termcode('[38;5;'..num..'m') end
local function set_bg(num) feed_termcode('[48;5;'..num..'m') end
local function set_bold() feed_termcode('[1m') end
local function set_italic() feed_termcode('[3m') end
local function set_underline() feed_termcode('[4m') end
local function set_underdouble() feed_termcode('[4:2m') end
local function set_undercurl() feed_termcode('[4:3m') end
local function set_strikethrough() feed_termcode('[9m') end
local function clear_attrs() feed_termcode('[0;10m') end
-- mouse
local function enable_mouse() feed_termcode('[?1002h') end
local function disable_mouse() feed_termcode('[?1002l') end
local default_command = '["'..testprg('tty-test')..'"]'
local function screen_setup(extra_rows, command, cols, opts)
extra_rows = extra_rows and extra_rows or 0
command = command and command or default_command
cols = cols and cols or 50
nvim('command', 'highlight TermCursor cterm=reverse')
nvim('command', 'highlight TermCursorNC ctermbg=11')
local screen = Screen.new(cols, 7 + extra_rows)
screen:set_default_attr_ids({
[1] = {reverse = true}, -- focused cursor
[2] = {background = 11}, -- unfocused cursor
[3] = {bold = true},
[4] = {foreground = 12},
[5] = {bold = true, reverse = true},
-- 6 was a duplicate item
[7] = {foreground = 130},
[8] = {foreground = 15, background = 1}, -- error message
[9] = {foreground = 4},
[10] = {foreground = 121}, -- "Press ENTER" in embedded :terminal session.
[11] = {foreground = tonumber('0x00000b')},
[12] = {reverse = true, foreground = tonumber('0x000079')},
})
screen:attach(opts or {rgb=false})
feed_command('enew | call termopen('..command..')')
nvim('input', '<CR>')
local vim_errmsg = nvim('eval', 'v:errmsg')
if vim_errmsg and "" ~= vim_errmsg then
error(vim_errmsg)
end
feed_command('setlocal scrollback=10')
feed_command('startinsert')
-- tty-test puts the terminal into raw mode and echoes input. Tests work by
-- feeding termcodes to control the display and asserting by screen:expect.
if command == default_command and opts == nil then
-- Wait for "tty ready" to be printed before each test or the terminal may
-- still be in canonical mode (will echo characters for example).
local empty_line = (' '):rep(cols)
local expected = {
'tty ready'..(' '):rep(cols - 9),
'{1: }' ..(' '):rep(cols - 1),
empty_line,
empty_line,
empty_line,
empty_line,
}
for _ = 1, extra_rows do
table.insert(expected, empty_line)
end
table.insert(expected, '{3:-- TERMINAL --}' .. ((' '):rep(cols - 14)))
screen:expect(table.concat(expected, '|\n')..'|')
else
-- This eval also acts as a poke_eventloop().
if 0 == nvim('eval', "exists('b:terminal_job_id')") then
error("terminal job failed to start")
end
end
return screen
end
return {
feed_data = feed_data,
feed_termcode = feed_termcode,
hide_cursor = hide_cursor,
show_cursor = show_cursor,
enter_altscreen = enter_altscreen,
exit_altscreen = exit_altscreen,
set_fg = set_fg,
set_bg = set_bg,
set_bold = set_bold,
set_italic = set_italic,
set_underline = set_underline,
set_underdouble = set_underdouble,
set_undercurl = set_undercurl,
set_strikethrough = set_strikethrough,
clear_attrs = clear_attrs,
enable_mouse = enable_mouse,
disable_mouse = disable_mouse,
screen_setup = screen_setup
}
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