Files
neovim/test/functional/treesitter/fold_spec.lua

771 lines
25 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local eq = helpers.eq
local insert = helpers.insert
local exec_lua = helpers.exec_lua
local command = helpers.command
local feed = helpers.feed
local poke_eventloop = helpers.poke_eventloop
local Screen = require('test.functional.ui.screen')
before_each(clear)
describe('treesitter foldexpr', function()
clear()
before_each(function()
-- open folds to avoid deleting entire folded region
exec_lua([[vim.opt.foldlevel = 9]])
end)
local test_text = [[
void ui_refresh(void)
{
int width = INT_MAX, height = INT_MAX;
bool ext_widgets[kUIExtCount];
for (UIExtension i = 0; (int)i < kUIExtCount; i++) {
ext_widgets[i] = true;
}
bool inclusive = ui_override();
for (size_t i = 0; i < ui_count; i++) {
UI *ui = uis[i];
width = MIN(ui->width, width);
height = MIN(ui->height, height);
foo = BAR(ui->bazaar, bazaar);
for (UIExtension j = 0; (int)j < kUIExtCount; j++) {
ext_widgets[j] &= (ui->ui_ext[j] || inclusive);
}
}
}]]
local function parse(lang)
exec_lua(([[vim.treesitter.get_parser(0, %s):parse()]]):format(lang and '"' .. lang .. '"' or 'nil'))
end
local function get_fold_levels()
return exec_lua([[
local res = {}
for i = 1, vim.api.nvim_buf_line_count(0) do
res[i] = vim.treesitter.foldexpr(i)
end
return res
]])
end
it("can compute fold levels", function()
insert(test_text)
parse('c')
eq({
[1] = '>1',
[2] = '1',
[3] = '1',
[4] = '1',
[5] = '>2',
[6] = '2',
[7] = '2',
[8] = '1',
[9] = '1',
[10] = '>2',
[11] = '2',
[12] = '2',
[13] = '2',
[14] = '2',
[15] = '>3',
[16] = '3',
[17] = '3',
[18] = '2',
[19] = '1',
}, get_fold_levels())
end)
it("recomputes fold levels after lines are added/removed", function()
insert(test_text)
parse('c')
command('1,2d')
poke_eventloop()
eq({
[1] = '0',
[2] = '0',
[3] = '>1',
[4] = '1',
[5] = '1',
[6] = '0',
[7] = '0',
[8] = '>1',
[9] = '1',
[10] = '1',
[11] = '1',
[12] = '1',
[13] = '>2',
[14] = '2',
[15] = '2',
[16] = '1',
[17] = '0',
}, get_fold_levels())
command('1put!')
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '1',
[4] = '1',
[5] = '>2',
[6] = '2',
[7] = '2',
[8] = '1',
[9] = '1',
[10] = '>2',
[11] = '2',
[12] = '2',
[13] = '2',
[14] = '2',
[15] = '>3',
[16] = '3',
[17] = '3',
[18] = '2',
[19] = '1',
}, get_fold_levels())
end)
it("handles changes close to start/end of folds", function()
insert([[
# h1
t1
# h2
t2]])
exec_lua([[vim.treesitter.query.set('markdown', 'folds', '(section) @fold')]])
parse('markdown')
eq({
[1] = '>1',
[2] = '1',
[3] = '>1',
[4] = '1',
}, get_fold_levels())
feed('2ggo<Esc>')
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '1',
[4] = '>1',
[5] = '1',
}, get_fold_levels())
feed('dd')
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '>1',
[4] = '1',
}, get_fold_levels())
feed('2ggdd')
poke_eventloop()
eq({
[1] = '0',
[2] = '>1',
[3] = '1',
}, get_fold_levels())
feed('u')
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '>1',
[4] = '1',
}, get_fold_levels())
feed('3ggdd')
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '1',
}, get_fold_levels())
feed('u')
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '>1',
[4] = '1',
}, get_fold_levels())
feed('3ggI#<Esc>')
parse()
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '>2',
[4] = '2',
}, get_fold_levels())
feed('x')
parse()
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '>1',
[4] = '1',
}, get_fold_levels())
end)
it("handles changes that trigger multiple on_bytes", function()
insert([[
function f()
asdf()
asdf()
end
-- comment]])
exec_lua([[vim.treesitter.query.set('lua', 'folds', '[(function_declaration) (parameters) (arguments)] @fold')]])
parse('lua')
eq({
[1] = '>1',
[2] = '1',
[3] = '1',
[4] = '1',
[5] = '0',
}, get_fold_levels())
command('1,4join')
poke_eventloop()
eq({
[1] = '0',
[2] = '0',
}, get_fold_levels())
feed('u')
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '1',
[4] = '1',
[5] = '0',
}, get_fold_levels())
end)
it("handles multiple folds that overlap at the end and start", function()
insert([[
function f()
g(
function()
asdf()
end, function()
end
)
end]])
exec_lua([[vim.treesitter.query.set('lua', 'folds', '[(function_declaration) (function_definition) (parameters) (arguments)] @fold')]])
parse('lua')
-- If fold1.stop = fold2.start, then move fold1's stop up so that fold2.start gets proper level.
eq({
[1] = '>1',
[2] = '>2',
[3] = '>3',
[4] = '3',
[5] = '>3',
[6] = '3',
[7] = '2',
[8] = '1',
}, get_fold_levels())
command('1,8join')
feed('u')
poke_eventloop()
eq({
[1] = '>1',
[2] = '>2',
[3] = '>3',
[4] = '3',
[5] = '>3',
[6] = '3',
[7] = '2',
[8] = '1',
}, get_fold_levels())
end)
it("handles multiple folds that start at the same line", function()
insert([[
function f(a)
if #(g({
k = v,
})) > 0 then
return
end
end]])
exec_lua([[vim.treesitter.query.set('lua', 'folds', '[(if_statement) (function_declaration) (parameters) (arguments) (table_constructor)] @fold')]])
parse('lua')
eq({
[1] = '>1',
[2] = '>3',
[3] = '3',
[4] = '3',
[5] = '2',
[6] = '2',
[7] = '1',
}, get_fold_levels())
command('2,6join')
poke_eventloop()
eq({
[1] = '>1',
[2] = '1',
[3] = '1',
}, get_fold_levels())
feed('u')
poke_eventloop()
eq({
[1] = '>1',
[2] = '>3',
[3] = '3',
[4] = '3',
[5] = '2',
[6] = '2',
[7] = '1',
}, get_fold_levels())
end)
it("takes account of relevant options", function()
insert([[
# h1
t1
## h2
t2
### h3
t3]])
exec_lua([[vim.treesitter.query.set('markdown', 'folds', '(section) @fold')]])
parse('markdown')
command([[set foldminlines=2]])
eq({
[1] = '>1',
[2] = '1',
[3] = '>2',
[4] = '2',
[5] = '2',
[6] = '2',
}, get_fold_levels())
command([[set foldminlines=1 foldnestmax=1]])
eq({
[1] = '>1',
[2] = '1',
[3] = '1',
[4] = '1',
[5] = '1',
[6] = '1',
}, get_fold_levels())
end)
it("updates folds in all windows", function()
local screen = Screen.new(60, 48)
screen:attach()
screen:set_default_attr_ids({
[1] = {background = Screen.colors.Grey, foreground = Screen.colors.DarkBlue};
[2] = {bold = true, foreground = Screen.colors.Blue1};
[3] = {bold = true, reverse = true};
[4] = {reverse = true};
})
parse("c")
command([[set foldmethod=expr foldexpr=v:lua.vim.treesitter.foldexpr() foldcolumn=1]])
command('split')
insert(test_text)
screen:expect{grid=[[
{1:-}void ui_refresh(void) |
{1:│}{ |
{1:│} int width = INT_MAX, height = INT_MAX; |
{1:│} bool ext_widgets[kUIExtCount]; |
{1:-} for (UIExtension i = 0; (int)i < kUIExtCount; i++) { |
{1:2} ext_widgets[i] = true; |
{1:2} } |
{1:│} |
{1:│} bool inclusive = ui_override(); |
{1:-} for (size_t i = 0; i < ui_count; i++) { |
{1:2} UI *ui = uis[i]; |
{1:2} width = MIN(ui->width, width); |
{1:2} height = MIN(ui->height, height); |
{1:2} foo = BAR(ui->bazaar, bazaar); |
{1:-} for (UIExtension j = 0; (int)j < kUIExtCount; j++) { |
{1:3} ext_widgets[j] &= (ui->ui_ext[j] || inclusive); |
{1:3} } |
{1:2} } |
{1:│}^} |
{2:~ }|*4
{3:[No Name] [+] }|
{1:-}void ui_refresh(void) |
{1:│}{ |
{1:│} int width = INT_MAX, height = INT_MAX; |
{1:│} bool ext_widgets[kUIExtCount]; |
{1:-} for (UIExtension i = 0; (int)i < kUIExtCount; i++) { |
{1:2} ext_widgets[i] = true; |
{1:2} } |
{1:│} |
{1:│} bool inclusive = ui_override(); |
{1:-} for (size_t i = 0; i < ui_count; i++) { |
{1:2} UI *ui = uis[i]; |
{1:2} width = MIN(ui->width, width); |
{1:2} height = MIN(ui->height, height); |
{1:2} foo = BAR(ui->bazaar, bazaar); |
{1:-} for (UIExtension j = 0; (int)j < kUIExtCount; j++) { |
{1:3} ext_widgets[j] &= (ui->ui_ext[j] || inclusive); |
{1:3} } |
{1:2} } |
{1:│}} |
{2:~ }|*3
{4:[No Name] [+] }|
|
]]}
command('1,2d')
screen:expect{grid=[[
{1: } ^int width = INT_MAX, height = INT_MAX; |
{1: } bool ext_widgets[kUIExtCount]; |
{1:-} for (UIExtension i = 0; (int)i < kUIExtCount; i++) { |
{1:│} ext_widgets[i] = true; |
{1:│} } |
{1: } |
{1: } bool inclusive = ui_override(); |
{1:-} for (size_t i = 0; i < ui_count; i++) { |
{1:│} UI *ui = uis[i]; |
{1:│} width = MIN(ui->width, width); |
{1:│} height = MIN(ui->height, height); |
{1:│} foo = BAR(ui->bazaar, bazaar); |
{1:-} for (UIExtension j = 0; (int)j < kUIExtCount; j++) { |
{1:2} ext_widgets[j] &= (ui->ui_ext[j] || inclusive); |
{1:2} } |
{1:│} } |
{1: }} |
{2:~ }|*6
{3:[No Name] [+] }|
{1: } int width = INT_MAX, height = INT_MAX; |
{1: } bool ext_widgets[kUIExtCount]; |
{1:-} for (UIExtension i = 0; (int)i < kUIExtCount; i++) { |
{1:│} ext_widgets[i] = true; |
{1:│} } |
{1: } |
{1: } bool inclusive = ui_override(); |
{1:-} for (size_t i = 0; i < ui_count; i++) { |
{1:│} UI *ui = uis[i]; |
{1:│} width = MIN(ui->width, width); |
{1:│} height = MIN(ui->height, height); |
{1:│} foo = BAR(ui->bazaar, bazaar); |
{1:-} for (UIExtension j = 0; (int)j < kUIExtCount; j++) { |
{1:2} ext_widgets[j] &= (ui->ui_ext[j] || inclusive); |
{1:2} } |
{1:│} } |
{1: }} |
{2:~ }|*5
{4:[No Name] [+] }|
|
]]}
feed([[O<C-u><C-r>"<BS><Esc>]])
screen:expect{grid=[[
{1:-}void ui_refresh(void) |
{1:│}^{ |
{1:│} int width = INT_MAX, height = INT_MAX; |
{1:│} bool ext_widgets[kUIExtCount]; |
{1:-} for (UIExtension i = 0; (int)i < kUIExtCount; i++) { |
{1:2} ext_widgets[i] = true; |
{1:2} } |
{1:│} |
{1:│} bool inclusive = ui_override(); |
{1:-} for (size_t i = 0; i < ui_count; i++) { |
{1:2} UI *ui = uis[i]; |
{1:2} width = MIN(ui->width, width); |
{1:2} height = MIN(ui->height, height); |
{1:2} foo = BAR(ui->bazaar, bazaar); |
{1:-} for (UIExtension j = 0; (int)j < kUIExtCount; j++) { |
{1:3} ext_widgets[j] &= (ui->ui_ext[j] || inclusive); |
{1:3} } |
{1:2} } |
{1:│}} |
{2:~ }|*4
{3:[No Name] [+] }|
{1:-}void ui_refresh(void) |
{1:│}{ |
{1:│} int width = INT_MAX, height = INT_MAX; |
{1:│} bool ext_widgets[kUIExtCount]; |
{1:-} for (UIExtension i = 0; (int)i < kUIExtCount; i++) { |
{1:2} ext_widgets[i] = true; |
{1:2} } |
{1:│} |
{1:│} bool inclusive = ui_override(); |
{1:-} for (size_t i = 0; i < ui_count; i++) { |
{1:2} UI *ui = uis[i]; |
{1:2} width = MIN(ui->width, width); |
{1:2} height = MIN(ui->height, height); |
{1:2} foo = BAR(ui->bazaar, bazaar); |
{1:-} for (UIExtension j = 0; (int)j < kUIExtCount; j++) { |
{1:3} ext_widgets[j] &= (ui->ui_ext[j] || inclusive); |
{1:3} } |
{1:2} } |
{1:│}} |
{2:~ }|*3
{4:[No Name] [+] }|
|
]]}
end)
it("doesn't open folds in diff mode", function()
local screen = Screen.new(60, 36)
screen:attach()
parse("c")
command([[set foldmethod=expr foldexpr=v:lua.vim.treesitter.foldexpr() foldcolumn=1 foldlevel=9]])
insert(test_text)
command('16d')
command('new')
insert(test_text)
command('windo diffthis')
feed('do')
screen:expect{grid=[[
{1:+ }{2:+-- 9 lines: void ui_refresh(void)·······················}|
{1: } for (size_t i = 0; i < ui_count; i++) { |
{1: } UI *ui = uis[i]; |
{1: } width = MIN(ui->width, width); |
{1: } height = MIN(ui->height, height); |
{1: } foo = BAR(ui->bazaar, bazaar); |
{1: } for (UIExtension j = 0; (int)j < kUIExtCount; j++) { |
{1: } ext_widgets[j] &= (ui->ui_ext[j] || inclusive); |
{1: } } |
{1: } } |
{1: }} |
{3:~ }|*6
{4:[No Name] [+] }|
{1:+ }{2:+-- 9 lines: void ui_refresh(void)·······················}|
{1: } for (size_t i = 0; i < ui_count; i++) { |
{1: } UI *ui = uis[i]; |
{1: } width = MIN(ui->width, width); |
{1: } height = MIN(ui->height, height); |
{1: } foo = BAR(ui->bazaar, bazaar); |
{1: } for (UIExtension j = 0; (int)j < kUIExtCount; j++) { |
{1: } ext_widgets[j] &= (ui->ui_ext[j] || inclusive); |
{1: } ^} |
{1: } } |
{1: }} |
{3:~ }|*5
{5:[No Name] [+] }|
|
]], attr_ids={
[1] = {background = Screen.colors.Grey, foreground = Screen.colors.Blue4};
[2] = {background = Screen.colors.LightGrey, foreground = Screen.colors.Blue4};
[3] = {foreground = Screen.colors.Blue, bold = true};
[4] = {reverse = true};
[5] = {reverse = true, bold = true};
}}
end)
it("doesn't open folds that are not touched", function()
local screen = Screen.new(40, 8)
screen:set_default_attr_ids({
[1] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.Gray};
[2] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.LightGray};
[3] = {foreground = Screen.colors.Blue1, bold = true};
[4] = {bold = true};
})
screen:attach()
insert([[
# h1
t1
# h2
t2]])
exec_lua([[vim.treesitter.query.set('markdown', 'folds', '(section) @fold')]])
parse('markdown')
command([[set foldmethod=expr foldexpr=v:lua.vim.treesitter.foldexpr() foldcolumn=1 foldlevel=0]])
feed('ggzojo')
poke_eventloop()
screen:expect{grid=[[
{1:-}# h1 |
{1:│}t1 |
{1:│}^ |
{1:+}{2:+-- 2 lines: # h2·····················}|
{3:~ }|*3
{4:-- INSERT --} |
]]}
feed('<Esc>u')
-- TODO(tomtomjhj): `u` spuriously opens the fold (#26499).
feed('zMggzo')
feed('dd')
poke_eventloop()
screen:expect{grid=[[
{1:-}^t1 |
{1:-}# h2 |
{1:│}t2 |
{3:~ }|*4
1 line less; before #2 {MATCH:.*}|
]]}
end)
end)
describe('treesitter foldtext', function()
local test_text = [[
void qsort(void *base, size_t nel, size_t width, int (*compar)(const void *, const void *))
{
int width = INT_MAX, height = INT_MAX;
bool ext_widgets[kUIExtCount];
for (UIExtension i = 0; (int)i < kUIExtCount; i++) {
ext_widgets[i] = true;
}
bool inclusive = ui_override();
for (size_t i = 0; i < ui_count; i++) {
UI *ui = uis[i];
width = MIN(ui->width, width);
height = MIN(ui->height, height);
foo = BAR(ui->bazaar, bazaar);
for (UIExtension j = 0; (int)j < kUIExtCount; j++) {
ext_widgets[j] &= (ui->ui_ext[j] || inclusive);
}
}
}]]
local screen
before_each(function()
screen = Screen.new(60, 5)
screen:set_default_attr_ids({
[0] = {foreground = Screen.colors.Blue, bold = true},
[1] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.LightGray};
[2] = {bold = true, background = Screen.colors.LightGray, foreground = Screen.colors.SeaGreen};
[3] = {foreground = Screen.colors.DarkCyan, background = Screen.colors.LightGray};
[4] = {foreground = Screen.colors.SlateBlue, background = Screen.colors.LightGray};
[5] = {bold = true, background = Screen.colors.LightGray, foreground = Screen.colors.Brown};
[6] = {background = Screen.colors.Red1};
[7] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.Red};
[8] = {foreground = Screen.colors.Brown, bold = true, background = Screen.colors.Red};
[9] = {foreground = Screen.colors.SlateBlue, background = Screen.colors.Red};
[10] = {bold = true};
})
screen:attach()
end)
it('displays highlighted content', function()
command([[set foldmethod=manual foldtext=v:lua.vim.treesitter.foldtext() updatetime=50]])
insert(test_text)
exec_lua([[vim.treesitter.get_parser(0, "c")]])
feed('ggVGzf')
screen:expect{grid=[[
{2:^void}{1: }{3:qsort}{4:(}{2:void}{1: }{5:*}{3:base}{4:,}{1: }{2:size_t}{1: }{3:nel}{4:,}{1: }{2:size_t}{1: }{3:width}{4:,}{1: }{2:int}{1: }{4:(}{5:*}{3:compa}|
{0:~ }|*3
|
]]}
end)
it('handles deep nested captures', function()
command([[set foldmethod=manual foldtext=v:lua.vim.treesitter.foldtext() updatetime=50]])
insert([[
function FoldInfo.new()
return setmetatable({
start_counts = {},
stop_counts = {},
levels0 = {},
levels = {},
}, FoldInfo)
end]])
exec_lua([[vim.treesitter.get_parser(0, "lua")]])
feed('ggjVGkzfgg')
screen:expect{grid=[[
^function FoldInfo.new() |
{1: }{5:return}{1: }{4:setmetatable({}{1:·····································}|
end |
{0:~ }|
|
]]}
command('hi! Visual guibg=Red')
feed('GVgg')
screen:expect{grid=[[
^f{6:unction FoldInfo.new()} |
{7: }{8:return}{7: }{9:setmetatable({}{7:·····································}|
{6:end} |
{0:~ }|
{10:-- VISUAL LINE --} |
]]}
feed('10l<C-V>')
screen:expect{grid=[[
{6:function F}^oldInfo.new() |
{7: }{8:return}{7: }{9:se}{4:tmetatable({}{1:·····································}|
{6:end} |
{0:~ }|
{10:-- VISUAL BLOCK --} |
]]}
end)
it('falls back to default', function()
command([[set foldmethod=manual foldtext=v:lua.vim.treesitter.foldtext()]])
insert(test_text)
feed('ggVGzf')
screen:expect{grid=[[
{1:^+-- 19 lines: void qsort(void *base, size_t nel, size_t widt}|
{0:~ }|*3
|
]]}
end)
end)