lualine.nvim/lua/tests/helpers.lua

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-- Copyright (c) 2020-2021 shadmansaleh
-- MIT license, see LICENSE for more details.
assert = require('luassert')
local eq = assert.are.same
local M = {}
M.meths = setmetatable({}, {
__index = function(_, key)
return vim.api['nvim_' .. key]
end,
})
function M.init_component(component, opts)
if component == nil then
component = 'special.function_component'
else
opts.component_name = component
end
local comp = require('lualine.components.' .. component)
if type(comp) == 'table' then
comp = comp(opts)
elseif type(comp) == 'function' then
opts[1] = comp
comp = require('lualine.components.special.function_component')(opts)
end
return comp
end
-- Checks ouput of a component
M.assert_component = function(component, opts, result, is_active)
local comp = M.init_component(component, opts)
-- for testing global options
eq(result, comp:draw(opts.hl, is_active or true))
end
function M.assert_component_instence(comp, result)
eq(result, comp:draw(comp.options.hl))
end
-- sets defaults for component options
M.build_component_opts = function(opts)
if not opts then
opts = {}
end
if opts[1] == nil then
opts[1] = function()
return 'test'
end
end
if not opts.self then
opts.self = { section = 'c' }
end
if not opts.theme then
opts.theme = 'gruvbox'
end
if not opts.hl then
opts.hl = ''
end
if opts.icons_enabled == nil then
opts.icons_enabled = true
end
if not opts.component_separators then
opts.component_separators = { left = '', right = '' }
end
if not opts.section_separators then
opts.section_separators = { left = '', right = '' }
end
return opts
end
M.P = function(t)
print(vim.inspect(t))
end
function M.dedent(str, leave_indent)
-- find minimum common indent across lines
local indent = nil
for line in str:gmatch('[^\n]+') do
local line_indent = line:match('^%s+') or ''
if indent == nil or #line_indent < #indent then
indent = line_indent
end
end
if indent == nil or #indent == 0 then
-- no minimum common indent
return str
end
local left_indent = (' '):rep(leave_indent or 0)
-- create a pattern for the indent
indent = indent:gsub('%s', '[ \t]')
-- strip it from the first line
str = str:gsub('^' .. indent, left_indent)
-- strip it from the remaining lines
str = str:gsub('[\n]' .. indent, '\n' .. left_indent)
return str
end
return M