neovim/test/functional/ui/syntax_conceal_spec.lua
2024-04-10 15:53:50 +01:00

859 lines
35 KiB
Lua

local t = require('test.functional.testutil')()
local Screen = require('test.functional.ui.screen')
local clear, feed, command = t.clear, t.feed, t.command
local eq = t.eq
local insert = t.insert
local poke_eventloop = t.poke_eventloop
local exec = t.exec
describe('Screen', function()
local screen
before_each(function()
clear()
screen = Screen.new(nil, 10)
screen:attach()
screen:set_default_attr_ids({
[0] = { bold = true, foreground = Screen.colors.Blue },
[1] = { foreground = Screen.colors.LightGrey, background = Screen.colors.DarkGray },
[2] = { bold = true, reverse = true },
[3] = { reverse = true },
[4] = { bold = true },
[5] = { background = Screen.colors.Yellow },
[6] = { foreground = Screen.colors.Black, background = Screen.colors.LightGrey },
})
end)
describe('match and conceal', function()
before_each(function()
command('let &conceallevel=1')
end)
describe('multiple', function()
before_each(function()
insert([[
&&
&&
&&
&&
&&
&&
]])
command("syn match dAmpersand '[&][&]' conceal cchar=∧")
end)
it('double characters.', function()
screen:expect([[
{1:∧} |*6
^ |
{0:~ }|*2
|
]])
end)
it('double characters and move the cursor one line up.', function()
feed('k')
screen:expect([[
{1:∧} |*5
^&& |
|
{0:~ }|*2
|
]])
end)
it('double characters and move the cursor to the beginning of the file.', function()
feed('gg')
screen:expect([[
^&& |
{1:∧} |*5
|
{0:~ }|*2
|
]])
end)
it('double characters and move the cursor to the second line in the file.', function()
feed('ggj')
screen:expect([[
{1:∧} |
^&& |
{1:∧} |*4
|
{0:~ }|*2
|
]])
end)
it(
'double characters and then move the cursor to the beginning of the file and back to the end of the file.',
function()
feed('ggG')
screen:expect([[
{1:∧} |*6
^ |
{0:~ }|*2
|
]])
end
)
end) -- multiple
it('keyword instances in initially in the document.', function()
feed('2ilambda<cr><ESC>')
command('let &conceallevel=1')
command('syn keyword kLambda lambda conceal cchar=λ')
screen:expect([[
{1:λ} |*2
^ |
{0:~ }|*6
|
]])
end) -- Keyword
describe('regions in the document', function()
before_each(function()
feed('2')
insert('<r> a region of text </r>\n')
command('let &conceallevel=1')
end)
it('initially and conceal it.', function()
command("syn region rText start='<r>' end='</r>' conceal cchar=R")
screen:expect([[
{1:R} |*2
^ |
{0:~ }|*6
|
]])
end)
it('initially and conceal its start tag and end tag.', function()
-- concealends has a known bug (todo.txt) where the first match won't
-- be replaced with cchar.
command("syn region rText matchgroup=rMatch start='<r>' end='</r>' concealends cchar=-")
screen:expect([[
{1: } a region of text {1:-} |*2
^ |
{0:~ }|*6
|
]])
end)
it("that are nested and conceal the nested region's start and end tags.", function()
command(
"syn region rText contains=rText matchgroup=rMatch start='<r>' end='</r>' concealends cchar=-"
)
insert('<r> A region with <r> a nested <r> nested region.</r> </r> </r>\n')
screen:expect([[
{1: } a region of text {1:-} |*2
{1: } A region with {1: } a nested {1: } nested region.{1:-} |
{1:-} {1:-} |
^ |
{0:~ }|*4
|
]])
end)
end) -- regions in the document
describe('a region of text', function()
before_each(function()
command('syntax conceal on')
feed('2')
insert('<r> a region of text </r>\n')
command("syn region rText start='<r>' end='</r>' cchar=-")
end)
it('and turn on implicit concealing', function()
screen:expect([[
{1:-} |*2
^ |
{0:~ }|*6
|
]])
end)
it('and then turn on, then off, and then back on implicit concealing.', function()
command('syntax conceal off')
feed('2')
insert('<i> italian text </i>\n')
command("syn region iText start='<i>' end='</i>' cchar=*")
screen:expect([[
{1:-} |*2
<i> italian text </i> |*2
^ |
{0:~ }|*4
|
]])
command('syntax conceal on')
command("syn region iText start='<i>' end='</i>' cchar=*")
screen:expect([[
{1:-} |*2
{1:*} |*2
^ |
{0:~ }|*4
|
]])
end)
end) -- a region of text (implicit concealing)
it('cursor position is correct when entering Insert mode with cocu=ni #13916', function()
insert([[foobarfoobarfoobar]])
-- move to end of line
feed('$')
command('set concealcursor=ni')
command('syn match Foo /foobar/ conceal cchar=&')
screen:expect([[
{1:&&&}^ |
{0:~ }|*8
|
]])
feed('i')
-- cursor should stay in place, not jump to column 16
screen:expect([[
{1:&&&}^ |
{0:~ }|*8
{4:-- INSERT --} |
]])
end)
end) -- match and conceal
describe('let the conceal level be', function()
before_each(function()
insert('// No Conceal\n')
insert('"Conceal without a cchar"\n')
insert('+ With cchar\n\n')
command("syn match noConceal '^//.*$'")
command('syn match concealNoCchar \'".\\{-}"$\' conceal')
command("syn match concealWCchar '^+.\\{-}$' conceal cchar=C")
end)
it('0. No concealing.', function()
command('let &conceallevel=0')
screen:expect([[
// No Conceal |
"Conceal without a cchar" |
+ With cchar |
|
^ |
{0:~ }|*4
|
]])
end)
it('1. Conceal using cchar or reference listchars.', function()
command('let &conceallevel=1')
screen:expect([[
// No Conceal |
{1: } |
{1:C} |
|
^ |
{0:~ }|*4
|
]])
end)
it('2. Hidden unless cchar is set.', function()
command('let &conceallevel=2')
screen:expect([[
// No Conceal |
|
{1:C} |
|
^ |
{0:~ }|*4
|
]])
end)
it('3. Hide all concealed text.', function()
command('let &conceallevel=3')
screen:expect([[
// No Conceal |
|*3
^ |
{0:~ }|*4
|
]])
end)
end) -- conceallevel
describe('cursor movement', function()
before_each(function()
command('syn keyword concealy barf conceal cchar=b')
command('set cole=2')
feed('5Ofoo barf bar barf eggs<esc>')
screen:expect([[
foo {1:b} bar {1:b} eggs |*4
foo barf bar barf egg^s |
|
{0:~ }|*3
|
]])
end)
it('between windows', function()
feed('k')
command('split')
screen:expect([[
foo {1:b} bar {1:b} eggs |
foo barf bar barf egg^s |
foo {1:b} bar {1:b} eggs |
|
{2:[No Name] [+] }|
foo {1:b} bar {1:b} eggs |*3
{3:[No Name] [+] }|
|
]])
feed('<c-w>w')
screen:expect([[
foo {1:b} bar {1:b} eggs |*3
|
{3:[No Name] [+] }|
foo {1:b} bar {1:b} eggs |
foo barf bar barf egg^s |
foo {1:b} bar {1:b} eggs |
{2:[No Name] [+] }|
|
]])
end)
it('in insert mode', function()
feed('i')
screen:expect([[
foo {1:b} bar {1:b} eggs |*4
foo barf bar barf egg^s |
|
{0:~ }|*3
{4:-- INSERT --} |
]])
feed('<up>')
screen:expect([[
foo {1:b} bar {1:b} eggs |*3
foo barf bar barf egg^s |
foo {1:b} bar {1:b} eggs |
|
{0:~ }|*3
{4:-- INSERT --} |
]])
end)
it('between modes cocu=iv', function()
command('set cocu=iv')
feed('gg')
screen:expect([[
^foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
|
]])
feed('i')
screen:expect([[
^foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
{4:-- INSERT --} |
]])
feed('<esc>')
screen:expect([[
^foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
|
]])
feed('v')
screen:expect([[
^foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
{4:-- VISUAL --} |
]])
feed('<esc>')
screen:expect([[
^foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
|
]])
end)
it('between modes cocu=n', function()
command('set cocu=n')
feed('gg')
screen:expect([[
^foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
|
]])
feed('i')
screen:expect([[
^foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
{4:-- INSERT --} |
]])
feed('<esc>')
screen:expect([[
^foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
|
]])
feed('v')
screen:expect([[
^foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
{4:-- VISUAL --} |
]])
feed('<esc>')
screen:expect([[
^foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
|
]])
feed('r')
screen:expect_unchanged()
feed('m')
screen:expect([[
^moo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs |*4
|
{0:~ }|*3
|
]])
end)
it('and open line', function()
feed('o')
screen:expect([[
foo {1:b} bar {1:b} eggs |*5
^ |
|
{0:~ }|*2
{4:-- INSERT --} |
]])
end)
it('and open line cocu=i', function()
command('set cocu=i')
feed('o')
screen:expect([[
foo {1:b} bar {1:b} eggs |*5
^ |
|
{0:~ }|*2
{4:-- INSERT --} |
]])
end)
describe('with incsearch', function()
before_each(function()
command('set incsearch hlsearch')
feed('2GA x<esc>3GA xy<esc>gg')
screen:expect([[
^foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
|
]])
end)
it('cocu=', function()
feed('/')
screen:expect([[
foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/^ |
]])
feed('x')
screen:expect([[
foo {1:b} bar {1:b} eggs |
foo barf bar barf eggs {3:x} |
foo {1:b} bar {1:b} eggs {5:x}y |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/x^ |
]])
feed('y')
screen:expect([[
foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs x |
foo barf bar barf eggs {3:xy} |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/xy^ |
]])
feed('<c-w>')
screen:expect([[
foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/^ |
]])
end)
it('cocu=c', function()
command('set cocu=c')
feed('/')
-- NB: we don't do this redraw. Probably best to still skip it,
-- to avoid annoying distraction from the cmdline
screen:expect([[
foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/^ |
]])
feed('x')
screen:expect([[
foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs {3:x} |
foo {1:b} bar {1:b} eggs {5:x}y |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/x^ |
]])
feed('y')
screen:expect([[
foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs {3:xy} |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/xy^ |
]])
feed('<c-w>')
screen:expect([[
foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/^ |
]])
feed('<esc>')
screen:expect([[
^foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
|
]])
end)
it('cocu=n', function()
command('set cocu=n')
screen:expect([[
^foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
|
]])
feed('/')
-- NB: we don't do this redraw. Probably best to still skip it,
-- to avoid annoying distraction from the cmdline
screen:expect([[
foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/^ |
]])
feed('x')
screen:expect([[
foo {1:b} bar {1:b} eggs |
foo barf bar barf eggs {3:x} |
foo {1:b} bar {1:b} eggs {5:x}y |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/x^ |
]])
feed('<c-w>')
screen:expect([[
foo barf bar barf eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
/^ |
]])
feed('<esc>')
screen:expect([[
^foo {1:b} bar {1:b} eggs |
foo {1:b} bar {1:b} eggs x |
foo {1:b} bar {1:b} eggs xy |
foo {1:b} bar {1:b} eggs |*2
|
{0:~ }|*3
|
]])
end)
end)
it('redraws properly with concealcursor in visual mode', function()
command('set concealcursor=v conceallevel=2')
feed('10Ofoo barf bar barf eggs<esc>')
feed(':3<cr>o a<Esc>ggV')
screen:expect {
grid = [[
^f{6:oo }{1:b}{6: bar }{1:b}{6: eggs} |
foo {1:b} bar {1:b} eggs |*2
a |
foo {1:b} bar {1:b} eggs |*5
{4:-- VISUAL LINE --} |
]],
}
feed(string.rep('j', 15))
screen:expect {
grid = [[
{6:foo }{1:b}{6: bar }{1:b}{6: eggs} |*8
^f{6:oo }{1:b}{6: bar }{1:b}{6: eggs} |
{4:-- VISUAL LINE --} |
]],
}
feed(string.rep('k', 15))
screen:expect {
grid = [[
^f{6:oo }{1:b}{6: bar }{1:b}{6: eggs} |
foo {1:b} bar {1:b} eggs |*2
a |
foo {1:b} bar {1:b} eggs |*5
{4:-- VISUAL LINE --} |
]],
}
end)
end)
it('redraws not too much with conceallevel=1', function()
command('set conceallevel=1')
command('set redrawdebug+=nodelta')
insert([[
aaa
bbb
ccc
]])
screen:expect {
grid = [[
aaa |
bbb |
ccc |
^ |
{0:~ }|*5
|
]],
}
-- XXX: hack to get notifications, and check only a single line is
-- updated. Could use next_msg() also.
local orig_handle_grid_line = screen._handle_grid_line
local grid_lines = {}
function screen._handle_grid_line(self, grid, row, col, items)
table.insert(grid_lines, { row, col, items })
orig_handle_grid_line(self, grid, row, col, items)
end
feed('k')
screen:expect {
grid = [[
aaa |
bbb |
^ccc |
|
{0:~ }|*5
|
]],
}
eq({ { 2, 0, { { 'c', 0, 3 }, { ' ', 0, 50 } } }, { 3, 0, { { ' ', 0, 53 } } } }, grid_lines)
end)
it('K_EVENT should not cause extra redraws with concealcursor #13196', function()
command('set conceallevel=1')
command('set concealcursor=nv')
command('set redrawdebug+=nodelta')
insert([[
aaa
bbb
ccc
]])
screen:expect {
grid = [[
aaa |
bbb |
ccc |
^ |
{0:~ }|*5
|
]],
}
-- XXX: hack to get notifications, and check only a single line is
-- updated. Could use next_msg() also.
local orig_handle_grid_line = screen._handle_grid_line
local grid_lines = {}
function screen._handle_grid_line(self, grid, row, col, items)
table.insert(grid_lines, { row, col, items })
orig_handle_grid_line(self, grid, row, col, items)
end
feed('k')
screen:expect {
grid = [[
aaa |
bbb |
^ccc |
|
{0:~ }|*5
|
]],
}
eq({ { 2, 0, { { 'c', 0, 3 }, { ' ', 0, 50 } } } }, grid_lines)
grid_lines = {}
poke_eventloop() -- causes K_EVENT key
screen:expect_unchanged()
eq({}, grid_lines) -- no redraw was done
end)
describe('concealed line has the correct cursor column', function()
-- oldtest: Test_cursor_column_in_concealed_line_after_window_scroll()
it('after window scroll', function()
insert([[
3split
let m = matchadd('Conceal', '=')
setl conceallevel=2 concealcursor=nc
normal gg
"==expr==]])
feed('gg')
command('file Xcolesearch')
command('set nomodified')
command('so')
screen:expect {
grid = [[
^3split |
let m matchadd('Conceal', '') |
setl conceallevel2 concealcursornc |
{2:Xcolesearch }|
3split |
let m = matchadd('Conceal', '=') |
setl conceallevel=2 concealcursor=nc |
normal gg |
{3:Xcolesearch }|
|
]],
}
-- Jump to something that is beyond the bottom of the window,
-- so there's a scroll down.
feed('/expr<CR>')
-- Are the concealed parts of the current line really hidden?
-- Is the window's cursor column properly updated for hidden
-- parts of the current line?
screen:expect {
grid = [[
setl conceallevel2 concealcursornc |
normal gg |
"{5:^expr} |
{2:Xcolesearch }|
3split |
let m = matchadd('Conceal', '=') |
setl conceallevel=2 concealcursor=nc |
normal gg |
{3:Xcolesearch }|
/expr |
]],
}
end)
-- oldtest: Test_cursor_column_in_concealed_line_after_leftcol_change()
it('after leftcol change', function()
exec([[
0put = 'ab' .. repeat('-', &columns) .. 'c'
call matchadd('Conceal', '-')
set nowrap ss=0 cole=3 cocu=n
]])
-- Go to the end of the line (3 columns beyond the end of the screen).
-- Horizontal scroll would center the cursor in the screen line, but conceal
-- makes it go to screen column 1.
feed('$')
-- Are the concealed parts of the current line really hidden?
-- Is the window's cursor column properly updated for conceal?
screen:expect {
grid = [[
^c |
|
{0:~ }|*7
|
]],
}
end)
end)
end)