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bufhl_spec.lua
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bufhl_spec.lua
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local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
local command, neq = helpers.command, helpers.neq
local meths = helpers.meths
local curbufmeths, eq = helpers.curbufmeths, helpers.eq
describe('Buffer highlighting', function()
local screen
before_each(function()
clear()
command('syntax on')
screen = Screen.new(40, 8)
screen:attach()
screen:set_default_attr_ids({
[1] = {bold=true, foreground=Screen.colors.Blue},
[2] = {foreground = Screen.colors.Fuchsia}, -- String
[3] = {foreground = Screen.colors.Brown, bold = true}, -- Statement
[4] = {foreground = Screen.colors.SlateBlue}, -- Special
[5] = {bold = true, foreground = Screen.colors.SlateBlue},
[6] = {foreground = Screen.colors.DarkCyan}, -- Identifier
[7] = {bold = true},
[8] = {underline = true, bold = true, foreground = Screen.colors.SlateBlue},
[9] = {foreground = Screen.colors.SlateBlue, underline = true},
[10] = {foreground = Screen.colors.Red},
[11] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
[12] = {foreground = Screen.colors.Blue1},
[13] = {background = Screen.colors.LightGrey},
[14] = {background = Screen.colors.Gray90},
[15] = {background = Screen.colors.Gray90, bold = true, foreground = Screen.colors.Brown},
[16] = {foreground = Screen.colors.Magenta, background = Screen.colors.Gray90},
[17] = {foreground = Screen.colors.Magenta, background = Screen.colors.LightRed},
[18] = {background = Screen.colors.LightRed},
[19] = {foreground = Screen.colors.Blue1, background = Screen.colors.LightRed},
})
end)
after_each(function()
screen:detach()
end)
local add_highlight = curbufmeths.add_highlight
local clear_namespace = curbufmeths.clear_namespace
it('works', function()
insert([[
these are some lines
with colorful text]])
feed('+')
screen:expect([[
these are some lines |
with colorful tex^t |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
add_highlight(-1, "String", 0 , 10, 14)
add_highlight(-1, "Statement", 1 , 5, -1)
screen:expect([[
these are {2:some} lines |
with {3:colorful tex^t} |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
feed("ggo<esc>")
screen:expect([[
these are {2:some} lines |
^ |
with {3:colorful text} |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
clear_namespace(-1, 0, -1)
screen:expect([[
these are some lines |
^ |
with colorful text |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
describe('support using multiple namespaces', function()
local id1, id2
before_each(function()
insert([[
a longer example
in order to demonstrate
combining highlights
from different sources]])
command("hi ImportantWord gui=bold cterm=bold")
id1 = add_highlight(0, "ImportantWord", 0, 2, 8)
add_highlight(id1, "ImportantWord", 1, 12, -1)
add_highlight(id1, "ImportantWord", 2, 0, 9)
add_highlight(id1, "ImportantWord", 3, 5, 14)
-- add_highlight can be called like this to get a new source
-- without adding any highlight
id2 = add_highlight(0, "", 0, 0, 0)
neq(id1, id2)
add_highlight(id2, "Special", 0, 2, 8)
add_highlight(id2, "Identifier", 1, 3, 8)
add_highlight(id2, "Special", 1, 14, 20)
add_highlight(id2, "Underlined", 2, 6, 12)
add_highlight(id2, "Underlined", 3, 0, 9)
screen:expect([[
a {5:longer} example |
in {6:order} to {7:de}{5:monstr}{7:ate} |
{7:combin}{8:ing}{9: hi}ghlights |
{9:from }{8:diff}{7:erent} source^s |
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
it('and clearing the first added', function()
clear_namespace(id1, 0, -1)
screen:expect([[
a {4:longer} example |
in {6:order} to de{4:monstr}ate |
combin{9:ing hi}ghlights |
{9:from diff}erent source^s |
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
it('and clearing using deprecated name', function()
curbufmeths.clear_highlight(id1, 0, -1)
screen:expect([[
a {4:longer} example |
in {6:order} to de{4:monstr}ate |
combin{9:ing hi}ghlights |
{9:from diff}erent source^s |
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
it('and clearing the second added', function()
clear_namespace(id2, 0, -1)
screen:expect([[
a {7:longer} example |
in order to {7:demonstrate} |
{7:combining} highlights |
from {7:different} source^s |
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
it('and clearing line ranges', function()
clear_namespace(-1, 0, 1)
clear_namespace(id1, 1, 2)
clear_namespace(id2, 2, -1)
screen:expect([[
a longer example |
in {6:order} to de{4:monstr}ate |
{7:combining} highlights |
from {7:different} source^s |
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
it('and renumbering lines', function()
feed('3Gddggo<esc>')
screen:expect([[
a {5:longer} example |
^ |
in {6:order} to {7:de}{5:monstr}{7:ate} |
{9:from }{8:diff}{7:erent} sources |
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
command(':3move 4')
screen:expect([[
a {5:longer} example |
|
{9:from }{8:diff}{7:erent} sources |
^in {6:order} to {7:de}{5:monstr}{7:ate} |
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
end)
it('prioritizes latest added highlight', function()
insert([[
three overlapping colors]])
add_highlight(0, "Identifier", 0, 6, 17)
add_highlight(0, "String", 0, 14, 23)
local id = add_highlight(0, "Special", 0, 0, 9)
screen:expect([[
{4:three ove}{6:rlapp}{2:ing color}^s |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
clear_namespace(id, 0, 1)
screen:expect([[
three {6:overlapp}{2:ing color}^s |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
it('works with multibyte text', function()
insert([[
Ta båten över sjön!]])
add_highlight(-1, "Identifier", 0, 3, 9)
add_highlight(-1, "String", 0, 16, 21)
screen:expect([[
Ta {6:båten} över {2:sjön}^! |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
it('works with new syntax groups', function()
insert([[
fancy code in a new fancy language]])
add_highlight(-1, "FancyLangItem", 0, 0, 5)
screen:expect([[
fancy code in a new fancy languag^e |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
command('hi FancyLangItem guifg=red')
screen:expect([[
{10:fancy} code in a new fancy languag^e |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
describe('virtual text annotations', function()
local set_virtual_text = curbufmeths.set_virtual_text
local id1, id2
before_each(function()
insert([[
1 + 2
3 +
x = 4]])
feed('O<esc>20A5, <esc>gg')
screen:expect([[
^1 + 2 |
3 + |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, |
x = 4 |
{1:~ }|
{1:~ }|
|
]])
id1 = set_virtual_text(0, 0, {{"=", "Statement"}, {" 3", "Number"}}, {})
set_virtual_text(id1, 1, {{"ERROR:", "ErrorMsg"}, {" invalid syntax"}}, {})
id2 = set_virtual_text(0, 2, {{"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."}}, {})
neq(id2, id1)
end)
it('works', function()
screen:expect([[
^1 + 2 {3:=}{2: 3} |
3 + {11:ERROR:} invalid syntax |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
|
]])
clear_namespace(id1, 0, -1)
screen:expect([[
^1 + 2 |
3 + |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
|
]])
-- Handles doublewidth chars, leaving a space if truncating
-- in the middle of a char
eq(-1, set_virtual_text(-1, 1, {{"暗x事zz速野谷質結育副住新覚丸活解終事", "Comment"}}, {}))
screen:expect([[
^1 + 2 |
3 + {12:暗x事zz速野谷質結育副住新覚丸活解終 }|
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
|
]])
feed("2Gx")
screen:expect([[
1 + 2 |
^ + {12:暗x事zz速野谷質結育副住新覚丸活解終事}|
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
|
]])
feed("2Gdd")
screen:expect([[
1 + 2 |
^5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
it('is not highlighted by visual selection', function()
feed("ggVG")
screen:expect([[
{13:1 + 2} {3:=}{2: 3} |
{13:3 +} {11:ERROR:} invalid syntax |
{13:5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5}|
{13:, 5, 5, 5, 5, 5, 5, } Lorem ipsum dolor s|
^x{13: = 4} |
{1:~ }|
{1:~ }|
{7:-- VISUAL LINE --} |
]])
feed("<esc>")
screen:expect([[
1 + 2 {3:=}{2: 3} |
3 + {11:ERROR:} invalid syntax |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
^x = 4 |
{1:~ }|
{1:~ }|
|
]])
-- special case: empty line has extra eol highlight
feed("ggd$")
screen:expect([[
^ {3:=}{2: 3} |
3 + {11:ERROR:} invalid syntax |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
|
]])
feed("jvk")
screen:expect([[
^ {3:=}{2: 3} |
{13:3} + {11:ERROR:} invalid syntax |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
{7:-- VISUAL --} |
]])
feed("o")
screen:expect([[
{13: }{3:=}{2: 3} |
^3 + {11:ERROR:} invalid syntax |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
{7:-- VISUAL --} |
]])
end)
it('works with listchars', function()
command("set list listchars+=eol:$")
screen:expect([[
^1 + 2{1:$}{3:=}{2: 3} |
3 +{1:$}{11:ERROR:} invalid syntax |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5,{1:-$}Lorem ipsum dolor s|
x = 4{1:$} |
{1:~ }|
{1:~ }|
|
]])
clear_namespace(-1, 0, -1)
screen:expect([[
^1 + 2{1:$} |
3 +{1:$} |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5,{1:-$} |
x = 4{1:$} |
{1:~ }|
{1:~ }|
|
]])
end)
it('works with cursorline', function()
command("set cursorline")
screen:expect([[
{14:^1 + 2 }{15:=}{16: 3}{14: }|
3 + {11:ERROR:} invalid syntax |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
|
]])
feed('j')
screen:expect([[
1 + 2 {3:=}{2: 3} |
{14:^3 + }{11:ERROR:}{14: invalid syntax }|
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 |
{1:~ }|
{1:~ }|
|
]])
feed('j')
screen:expect([[
1 + 2 {3:=}{2: 3} |
3 + {11:ERROR:} invalid syntax |
{14:^5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5}|
{14:, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s}|
x = 4 |
{1:~ }|
{1:~ }|
|
]])
end)
it('works with color column', function()
eq(-1, set_virtual_text(-1, 3, {{"暗x事", "Comment"}}, {}))
screen:expect{grid=[[
^1 + 2 {3:=}{2: 3} |
3 + {11:ERROR:} invalid syntax |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 {12:暗x事} |
{1:~ }|
{1:~ }|
|
]]}
command("set colorcolumn=9")
screen:expect{grid=[[
^1 + 2 {3:=}{2: }{17:3} |
3 + {11:ERROR:} invalid syntax |
5, 5, 5,{18: }5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5|
, 5, 5, 5, 5, 5, 5, Lorem ipsum dolor s|
x = 4 {12:暗}{19:x}{12:事} |
{1:~ }|
{1:~ }|
|
]]}
end)
end)
it('and virtual text use the same namespace counter', function()
local set_virtual_text = curbufmeths.set_virtual_text
eq(1, add_highlight(0, "String", 0 , 0, -1))
eq(2, set_virtual_text(0, 0, {{"= text", "Comment"}}, {}))
eq(3, meths.create_namespace("my-ns"))
eq(4, add_highlight(0, "String", 0 , 0, -1))
eq(5, set_virtual_text(0, 0, {{"= text", "Comment"}}, {}))
eq(6, meths.create_namespace("other-ns"))
end)
end)