lualine.nvim/lua/tests/spec/component_spec.lua

338 lines
10 KiB
Lua

local helpers = require 'tests.helpers'
local eq = assert.are.same
local neq = assert.are_not.same
local assert_component = helpers.assert_component
local build_component_opts = helpers.build_component_opts
local stub = require 'luassert.stub'
describe('Component:', function()
it('can select separators', function()
local opts = build_component_opts()
local comp = require('lualine.components.special.function_component'):new(
opts)
-- correct for lualine_c
eq('', comp.options.separator)
local opts2 = build_component_opts({self = {section = 'lualine_y'}})
local comp2 = require('lualine.components.special.function_component'):new(
opts2)
-- correct for lualine_u
eq('', comp2.options.separator)
end)
it('can provide unique identifier', function()
local opts1 = build_component_opts()
local comp1 = require('lualine.components.special.function_component'):new(
opts1)
local opts2 = build_component_opts()
local comp2 = require('lualine.components.special.function_component'):new(
opts2)
neq(comp1.component_no, comp2.component_no)
end)
it('create option highlights', function()
local color = {fg = '#224532', bg = '#892345'}
local opts1 = build_component_opts({color = color})
local hl = require 'lualine.highlight'
stub(hl, 'create_component_highlight_group')
hl.create_component_highlight_group.returns('MyCompHl')
local comp1 = require('lualine.components.special.function_component'):new(
opts1)
eq('MyCompHl', comp1.options.color_highlight)
-- color highlight wan't in options when create_comp_hl was
-- called so remove it before assert
comp1.options.color_highlight = nil
assert.stub(hl.create_component_highlight_group).was_called_with(color,
comp1.options
.component_name,
comp1.options)
hl.create_component_highlight_group:revert()
local opts2 = build_component_opts({color = 'MyHl'})
local comp2 = require('lualine.components.special.function_component'):new(
opts2)
eq('MyHl', comp2.options.color_highlight_link)
end)
it('can draw', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
assert_component(nil, opts, 'test')
end)
it('can apply separators', function()
local opts = build_component_opts({padding = 0})
assert_component(nil, opts, 'test')
end)
it('can apply default highlight', function()
local opts = build_component_opts({padding = 0, hl = '%#My_highlight#'})
assert_component(nil, opts, 'test%#My_highlight#')
end)
describe('Global options:', function()
it('upper', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
upper = true
})
assert_component(nil, opts, 'TEST')
end)
it('lower', function()
local opts = build_component_opts({
function() return 'TeSt' end,
component_separators = {'', ''},
padding = 0,
lower = true
})
assert_component(nil, opts, 'test')
end)
it('left_padding', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
left_padding = 5
})
assert_component(nil, opts, ' test')
end)
it('right_padding', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
right_padding = 5
})
assert_component(nil, opts, 'test ')
end)
it('padding', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 5
})
assert_component(nil, opts, ' test ')
end)
it('icon', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
icon = '0'
})
assert_component(nil, opts, '0 test')
end)
it('icons_enabled', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
icons_enabled = true,
icon = '0'
})
assert_component(nil, opts, '0 test')
local opts2 = build_component_opts(
{
component_separators = {'', ''},
padding = 0,
icons_enabled = false,
icon = '0'
})
assert_component(nil, opts2, 'test')
end)
it('separator', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
separator = '|'
})
assert_component(nil, opts, 'test|')
end)
it('format', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
format = function(data)
return data:sub(1, 1):upper() .. data:sub(2, #data)
end
})
assert_component(nil, opts, 'Test')
end)
it('condition', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
condition = function() return true end
})
assert_component(nil, opts, 'test')
local opts2 = build_component_opts(
{
component_separators = {'', ''},
padding = 0,
condition = function() return false end
})
assert_component(nil, opts2, '')
end)
it('color', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
color = 'MyHl'
})
assert_component(nil, opts, '%#MyHl#test')
local opts2 = build_component_opts(
{
component_separators = {'', ''},
padding = 0,
color = {bg = '#230055', fg = '#223344'}
})
local hl = require 'lualine.highlight'
stub(hl, 'component_format_highlight')
hl.component_format_highlight.returns('%#MyCompHl#')
local comp2 =
require('lualine.components.special.function_component'):new(opts2)
assert_component(nil, opts2, '%#MyCompHl#test')
assert.stub(hl.component_format_highlight).was_called_with(
comp2.options.color_highlight)
hl.component_format_highlight:revert()
end)
end)
end)
describe('Encoding component', function()
it('works', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
assert_component('encoding', opts, '%{strlen(&fenc)?&fenc:&enc}')
end)
end)
describe('Fileformat component', function()
it('works with icons', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
local fmt = vim.bo.fileformat
vim.bo.fileformat = 'unix'
assert_component('fileformat', opts, '')
vim.bo.fileformat = 'dos'
assert_component('fileformat', opts, '')
vim.bo.fileformat = 'mac'
assert_component('fileformat', opts, '')
vim.bo.fileformat = fmt
end)
it('works without icons', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0,
icons_enabled = false
})
assert_component('fileformat', opts, vim.bo.fileformat)
end)
end)
describe('Filetype component', function()
local filetype
before_each(function()
filetype = vim.bo.filetype
vim.bo.filetype = 'lua'
end)
after_each(function()
vim.bo.filetype = filetype
end)
it('does not add icon when library unavailable', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
assert_component('filetype', opts, 'lua')
end)
it('colors nvim-web-devicons icons', function()
package.loaded['nvim-web-devicons'] = {
get_icon = function()
return '*', 'test_highlight_group'
end
}
local hl = require 'lualine.highlight'
local utils = require 'lualine.utils.utils'
stub(hl, 'create_component_highlight_group')
stub(utils, 'extract_highlight_colors')
hl.create_component_highlight_group.returns('MyCompHl')
utils.extract_highlight_colors.returns('#000')
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
assert_component('filetype', opts, '%#MyCompHl_normal#*%#lualine_c_normal# lua')
assert.stub(utils.extract_highlight_colors).was_called_with('test_highlight_group', 'fg')
opts.icon = '*'
assert.stub(hl.create_component_highlight_group).was_called_with(
{fg = '#000'}, 'test_highlight_group', opts
)
hl.create_component_highlight_group:revert()
utils.extract_highlight_colors:revert()
end)
end)
describe('Hostname component', function()
it('works', function()
stub(vim.loop, 'os_gethostname')
vim.loop.os_gethostname.returns('localhost')
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
assert_component('hostname', opts, 'localhost')
vim.loop.os_gethostname:revert()
end)
end)
describe('Location component', function()
it('works', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
assert_component('location', opts, '%3l:%-2c')
end)
end)
describe('Progress component', function()
it('works', function()
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
assert_component('progress', opts, '%3P')
end)
end)
describe('Mode component', function()
it('works', function()
stub(vim.api, 'nvim_get_mode')
vim.api.nvim_get_mode.returns({mode = 'n', blocking = false})
local opts = build_component_opts({
component_separators = {'', ''},
padding = 0
})
assert_component('mode', opts, 'NORMAL')
vim.api.nvim_get_mode:revert()
end)
end)