161 lines
6.4 KiB
Lua
161 lines
6.4 KiB
Lua
-- Copyright (c) 2020-2021 shadmansaleh
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-- MIT license, see LICENSE for more details.
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local helpers = require('tests.helpers')
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local eq = assert.are.same
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local build_component_opts = helpers.build_component_opts
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local stub = require('luassert.stub')
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describe('Utils', function()
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local utils = require('lualine.utils.utils')
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it('can retrieve highlight groups', function()
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local hl2 = { fg = '#aabbcc', bg = '#889977', sp = '#997788', reverse = true, undercurl = true }
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-- handles non existing hl groups
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eq(utils.extract_highlight_colors('hl2'), nil)
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-- create highlight
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vim.cmd(string.format('hi hl2 guifg=%s guibg=%s guisp=%s gui=reverse,undercurl', hl2.fg, hl2.bg, hl2.sp))
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-- Can retrieve entire highlight table
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eq(utils.extract_highlight_colors('hl2'), hl2)
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-- Can retrieve specific parts of highlight
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eq(utils.extract_highlight_colors('hl2', 'fg'), hl2.fg)
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-- clear hl2
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vim.cmd('hi clear hl2')
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end)
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it('can extract individual highlight color', function()
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local fg_clr = '#aabbcc'
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local bg_clr = '#889977'
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local sp_clr = '#997788'
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local def_clr = '#ff0000'
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local hl_std = { fg = fg_clr, bg = bg_clr }
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local hl_rvs = { fg = fg_clr, bg = bg_clr, reverse = true }
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local hl_ul = { sp = sp_clr, undercurl = true }
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local hl_ul_rvs = { fg = fg_clr, bg = bg_clr, sp = sp_clr, reverse = true, undercurl = true }
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-- create highlights
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vim.cmd(string.format('hi hl_std guifg=%s guibg=%s', hl_std.fg, hl_std.bg))
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vim.cmd(string.format('hi hl_rvs guifg=%s guibg=%s gui=reverse', hl_rvs.fg, hl_rvs.bg))
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vim.cmd(string.format('hi hl_ul guisp=%s gui=undercurl', hl_ul.sp))
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vim.cmd(string.format('hi hl_ul_rvs guifg=%s guibg=%s guisp=%s gui=reverse,undercurl', hl_ul_rvs.fg, hl_ul_rvs.bg, hl_ul_rvs.sp))
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-- Can extract color from primary highlight group
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eq(utils.extract_color_from_hllist('fg', {'hl_std','hl_ul'}, def_clr), fg_clr)
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-- Can extract color from fallback highlight group
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eq(utils.extract_color_from_hllist('fg', {'hl_noexist','hl_std'}, def_clr), fg_clr)
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-- Can fall back to default color on nonexistent color
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eq(utils.extract_color_from_hllist('fg', {'hl_ul'}, def_clr), def_clr)
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-- Can fall back to default color on nonexistent highlight group
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eq(utils.extract_color_from_hllist('fg', {'hl_noexist'}, def_clr), def_clr)
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-- Can extract fallback color
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eq(utils.extract_color_from_hllist({'fg','sp'}, {'hl_ul'}, def_clr), sp_clr)
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-- Can extract reverse color
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eq(utils.extract_color_from_hllist('fg', {'hl_rvs'}, def_clr), bg_clr)
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-- Can extract fallback reverse color
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eq(utils.extract_color_from_hllist({'sp','fg'}, {'hl_rvs'}, def_clr), bg_clr)
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-- clear highlights
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vim.cmd('hi clear hl_std')
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vim.cmd('hi clear hl_rvs')
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vim.cmd('hi clear hl_ul')
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vim.cmd('hi clear hl_ul_rvs')
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end)
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it('can shrink list with holes', function()
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local list_with_holes = {
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'2',
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'4',
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'6',
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nil,
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'43',
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nil,
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'2',
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'',
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'a',
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'',
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'b',
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' ',
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}
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local list_without_holes = { '2', '4', '6', '43', '2', 'a', 'b', ' ' }
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eq(utils.list_shrink(list_with_holes), list_without_holes)
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end)
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end)
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describe('Cterm generator', function()
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local cterm = require('lualine.utils.color_utils')
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it('can convert rgb to cterm', function()
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local colors = { ['#112233'] = 235, ['#7928ae'] = 97, ['#017bdc'] = 68 }
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for rgb, ct in pairs(colors) do
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eq(cterm.rgb2cterm(rgb), tostring(ct))
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end
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end)
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end)
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describe('Section generator', function()
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local hl = require('lualine.highlight')
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stub(hl, 'format_highlight')
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hl.format_highlight.returns('%#lualine_c_normal#')
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local sec = require('lualine.utils.section')
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it('can draw', function()
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local opts = build_component_opts { section_separators = { left = '', right = '' } }
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local section = {
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require('lualine.components.special.function_component')(opts),
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require('lualine.components.special.function_component')(opts),
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}
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eq('%#lualine_c_normal# test %#lualine_c_normal# test ', sec.draw_section(section, 'c', true))
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hl.format_highlight:revert()
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end)
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it('can remove separators from component with custom colors', function()
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stub(hl, 'format_highlight')
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stub(hl, 'get_lualine_hl')
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hl.format_highlight.returns('%#lualine_MySection_normal#')
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hl.get_lualine_hl.returns { fg = '#000000', bg = '#ffffff' }
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vim.g.actual_curwin = tostring(vim.api.nvim_get_current_win())
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local opts = build_component_opts { section_separators = { left = '', right = '' } }
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local opts_colored = build_component_opts { color = 'MyColor' }
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local opts_colored2 = build_component_opts {
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color = { bg = '#223344' },
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section_separators = { left = '', right = '' },
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}
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local opts_colored3 = build_component_opts {
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color = { fg = '#223344' },
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section_separators = { left = '', right = '' },
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}
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require('lualine.highlight').create_highlight_groups(require('lualine.themes.gruvbox'))
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local section = {
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require('lualine.components.special.function_component')(opts),
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require('lualine.components.special.function_component')(opts_colored),
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require('lualine.components.special.function_component')(opts),
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}
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local highlight_name2 = 'lualine_c_' .. section[2].options.component_name
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-- Removes separator on string color
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eq(
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'%#lualine_MySection_normal# test %#' .. highlight_name2 .. '#' .. ' test %#lualine_MySection_normal# test ',
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sec.draw_section(section, 'MySection')
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)
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section[2] = require('lualine.components.special.function_component')(opts_colored2)
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local highlight_name = '%#lualine_c_' .. section[2].options.component_name .. '_normal#'
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-- Removes separator on color with bg
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eq(
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'%#lualine_MySection_normal# test ' .. highlight_name .. ' test %#lualine_MySection_normal# test ',
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sec.draw_section(section, 'MySection')
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)
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section[2] = require('lualine.components.special.function_component')(opts_colored3)
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highlight_name2 = '%#lualine_c_' .. section[2].options.component_name .. '_normal#'
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-- Doesn't remove separator on color without bg
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eq(
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'%#lualine_MySection_normal# test '
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.. highlight_name2
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.. ' test %#lualine_MySection_normal#%#lualine_MySection_normal# test ',
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sec.draw_section(section, 'MySection')
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)
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vim.g.actual_curwin = nil
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hl.format_highlight:revert()
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hl.get_lualine_hl:revert()
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end)
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end)
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