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local helpers = require('test.functional.helpers')(after_each)
local clear, nvim = helpers.clear, helpers.nvim
local Screen = require('test.functional.ui.screen')
local eq, eval = helpers.eq, helpers.eval
local command = helpers.command
local meths = helpers.meths
local funcs = helpers.funcs
local pcall_err = helpers.pcall_err
local ok = helpers.ok
describe('API: highlight',function()
local expected_rgb = {
background = Screen.colors.Yellow,
foreground = Screen.colors.Red,
special = Screen.colors.Blue,
bold = true,
}
local expected_cterm = {
background = 10,
underline = true,
}
local expected_rgb2 = {
background = Screen.colors.Yellow,
foreground = Screen.colors.Red,
special = Screen.colors.Blue,
bold = true,
italic = true,
reverse = true,
undercurl = true,
underline = true,
strikethrough = true,
}
before_each(function()
clear()
command("hi NewHighlight cterm=underline ctermbg=green guifg=red guibg=yellow guisp=blue gui=bold")
end)
it("nvim_get_hl_by_id", function()
local hl_id = eval("hlID('NewHighlight')")
eq(expected_cterm, nvim("get_hl_by_id", hl_id, false))
hl_id = eval("hlID('NewHighlight')")
-- Test valid id.
eq(expected_rgb, nvim("get_hl_by_id", hl_id, true))
-- Test invalid id.
local err, emsg = pcall(meths.get_hl_by_id, 30000, false)
eq(false, err)
eq('Invalid highlight id: 30000', string.match(emsg, 'Invalid.*'))
-- Test all highlight properties.
command('hi NewHighlight gui=underline,bold,undercurl,italic,reverse,strikethrough')
eq(expected_rgb2, nvim("get_hl_by_id", hl_id, true))
-- Test nil argument.
err, emsg = pcall(meths.get_hl_by_id, { nil }, false)
eq(false, err)
eq('Wrong type for argument 1, expecting Integer',
string.match(emsg, 'Wrong.*'))
-- Test 0 argument.
err, emsg = pcall(meths.get_hl_by_id, 0, false)
eq(false, err)
eq('Invalid highlight id: 0',
string.match(emsg, 'Invalid.*'))
-- Test -1 argument.
err, emsg = pcall(meths.get_hl_by_id, -1, false)
eq(false, err)
eq('Invalid highlight id: -1',
string.match(emsg, 'Invalid.*'))
-- Test highlight group without ctermbg value.
command('hi Normal ctermfg=red ctermbg=yellow')
command('hi NewConstant ctermfg=green guifg=white guibg=blue')
hl_id = eval("hlID('NewConstant')")
eq({foreground = 10,}, meths.get_hl_by_id(hl_id, false))
-- Test highlight group without ctermfg value.
command('hi clear NewConstant')
command('hi NewConstant ctermbg=Magenta guifg=white guibg=blue')
eq({background = 13,}, meths.get_hl_by_id(hl_id, false))
-- Test highlight group with ctermfg and ctermbg values.
command('hi clear NewConstant')
command('hi NewConstant ctermfg=green ctermbg=Magenta guifg=white guibg=blue')
eq({foreground = 10, background = 13,}, meths.get_hl_by_id(hl_id, false))
end)
it("nvim_get_hl_by_name", function()
local expected_normal = { background = Screen.colors.Yellow,
foreground = Screen.colors.Red }
-- Test `Normal` default values.
eq({}, nvim("get_hl_by_name", 'Normal', true))
eq(expected_cterm, nvim("get_hl_by_name", 'NewHighlight', false))
eq(expected_rgb, nvim("get_hl_by_name", 'NewHighlight', true))
-- Test `Normal` modified values.
command('hi Normal guifg=red guibg=yellow')
eq(expected_normal, nvim("get_hl_by_name", 'Normal', true))
-- Test invalid name.
local err, emsg = pcall(meths.get_hl_by_name , 'unknown_highlight', false)
eq(false, err)
eq('Invalid highlight name: unknown_highlight',
string.match(emsg, 'Invalid.*'))
-- Test nil argument.
err, emsg = pcall(meths.get_hl_by_name , { nil }, false)
eq(false, err)
eq('Wrong type for argument 1, expecting String',
string.match(emsg, 'Wrong.*'))
-- Test empty string argument.
err, emsg = pcall(meths.get_hl_by_name , '', false)
eq(false, err)
eq('Invalid highlight name: ',
string.match(emsg, 'Invalid.*'))
-- Test "standout" attribute. #8054
eq({ underline = true, },
meths.get_hl_by_name('cursorline', 0));
command('hi CursorLine cterm=standout,underline term=standout,underline gui=standout,underline')
command('set cursorline')
eq({ underline = true, standout = true, },
meths.get_hl_by_name('cursorline', 0));
end)
it('nvim_get_hl_id_by_name', function()
-- precondition: use a hl group that does not yet exist
eq('Invalid highlight name: Shrubbery', pcall_err(meths.get_hl_by_name, "Shrubbery", true))
eq(0, funcs.hlID("Shrubbery"))
local hl_id = meths.get_hl_id_by_name("Shrubbery")
ok(hl_id > 0)
eq(hl_id, funcs.hlID("Shrubbery"))
command('hi Shrubbery guifg=#888888 guibg=#888888')
eq({foreground=tonumber("0x888888"), background=tonumber("0x888888")},
meths.get_hl_by_id(hl_id, true))
eq({foreground=tonumber("0x888888"), background=tonumber("0x888888")},
meths.get_hl_by_name("Shrubbery", true))
end)
end)
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