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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 execute, request, neq = helpers.execute, helpers.request, helpers.neq
if helpers.pending_win32(pending) then return end
describe('Buffer highlighting', function()
local screen
local curbuf
before_each(function()
clear()
execute("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}
})
curbuf = request('nvim_get_current_buf')
end)
after_each(function()
screen:detach()
end)
local function add_hl(...)
return request('nvim_buf_add_highlight', curbuf, ...)
end
local function clear_hl(...)
return request('nvim_buf_clear_highlight', curbuf, ...)
end
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_hl(-1, "String", 0 , 10, 14)
add_hl(-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_hl(-1, 0 , -1)
screen:expect([[
these are some lines |
^ |
with colorful text |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
describe('support adding multiple sources', function()
local id1, id2
before_each(function()
insert([[
a longer example
in order to demonstrate
combining highlights
from different sources]])
execute("hi ImportantWord gui=bold cterm=bold")
id1 = add_hl(0, "ImportantWord", 0, 2, 8)
add_hl(id1, "ImportantWord", 1, 12, -1)
add_hl(id1, "ImportantWord", 2, 0, 9)
add_hl(id1, "ImportantWord", 3, 5, 14)
-- add_highlight can be called like this to get a new source
-- without adding any highlight
id2 = add_hl(0, "", 0, 0, 0)
neq(id1, id2)
add_hl(id2, "Special", 0, 2, 8)
add_hl(id2, "Identifier", 1, 3, 8)
add_hl(id2, "Special", 1, 14, 20)
add_hl(id2, "Underlined", 2, 6, 12)
add_hl(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:~ }|
:hi ImportantWord gui=bold cterm=bold |
]])
end)
it('and clearing the first added', function()
clear_hl(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:~ }|
:hi ImportantWord gui=bold cterm=bold |
]])
end)
it('and clearing the second added', function()
clear_hl(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:~ }|
:hi ImportantWord gui=bold cterm=bold |
]])
end)
it('and clearing line ranges', function()
clear_hl(-1, 0, 1)
clear_hl(id1, 1, 2)
clear_hl(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:~ }|
:hi ImportantWord gui=bold cterm=bold |
]])
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:~ }|
|
]])
execute(':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:~ }|
::3move 4 |
]])
end)
end)
it('prioritizes latest added highlight', function()
insert([[
three overlapping colors]])
add_hl(0, "Identifier", 0, 6, 17)
add_hl(0, "String", 0, 14, 23)
local id = add_hl(0, "Special", 0, 0, 9)
screen:expect([[
{4:three ove}{6:rlapp}{2:ing color}^s |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
clear_hl(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_hl(-1, "Identifier", 0, 3, 9)
add_hl(-1, "String", 0, 16, 21)
screen:expect([[
Ta {6:båten} över {2:sjön}^! |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]])
end)
end)
|
