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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
describe('highlight api',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,
}
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')
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.*'))
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.*'))
end)
end)
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