neovim/test/functional/lua/ui_spec.lua
zeertzjq 2afb04758c
fix(vim.system): close check handle (#24270)
Fix hang after running vim.system() with sanitizers.
2023-07-06 12:56:19 +08:00

151 lines
4.8 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local eq = helpers.eq
local matches = helpers.matches
local exec_lua = helpers.exec_lua
local clear = helpers.clear
local feed = helpers.feed
local eval = helpers.eval
local is_ci = helpers.is_ci
local poke_eventloop = helpers.poke_eventloop
describe('vim.ui', function()
before_each(function()
clear()
end)
describe('select()', function()
it('can select an item', function()
local result = exec_lua[[
local items = {
{ name = 'Item 1' },
{ name = 'Item 2' },
}
local opts = {
format_item = function(entry)
return entry.name
end
}
local selected
local cb = function(item)
selected = item
end
-- inputlist would require input and block the test;
local choices
vim.fn.inputlist = function(x)
choices = x
return 1
end
vim.ui.select(items, opts, cb)
vim.wait(100, function() return selected ~= nil end)
return {selected, choices}
]]
eq({ name = 'Item 1' }, result[1])
eq({
'Select one of:',
'1: Item 1',
'2: Item 2',
}, result[2])
end)
end)
describe('input()', function()
it('can input text', function()
local result = exec_lua[[
local opts = {
prompt = 'Input: ',
}
local input
local cb = function(item)
input = item
end
-- input would require input and block the test;
local prompt
vim.fn.input = function(opts)
prompt = opts.prompt
return "Inputted text"
end
vim.ui.input(opts, cb)
vim.wait(100, function() return input ~= nil end)
return {input, prompt}
]]
eq('Inputted text', result[1])
eq('Input: ', result[2])
end)
it('can input text on nil opt', function()
feed(':lua vim.ui.input(nil, function(input) result = input end)<cr>')
eq('', eval('v:errmsg'))
feed('Inputted text<cr>')
eq('Inputted text', exec_lua('return result'))
end)
it('can input text on {} opt', function()
feed(':lua vim.ui.input({}, function(input) result = input end)<cr>')
eq('', eval('v:errmsg'))
feed('abcdefg<cr>')
eq('abcdefg', exec_lua('return result'))
end)
it('can input empty text #18144', function()
feed(':lua vim.ui.input({}, function(input) result = input end)<cr>')
feed('<cr>')
eq('', exec_lua('return result'))
end)
it('can input empty text with cancelreturn opt #18144', function()
feed(':lua vim.ui.input({ cancelreturn = "CANCEL" }, function(input) result = input end)<cr>')
feed('<cr>')
eq('', exec_lua('return result'))
end)
it('can return nil when aborted with ESC #18144', function()
feed(':lua result = "on_confirm not called"<cr>')
feed(':lua vim.ui.input({}, function(input) result = input end)<cr>')
feed('Inputted Text<esc>')
-- Note: When `result == nil`, exec_lua('returns result') returns vim.NIL
eq(true, exec_lua('return (nil == result)'))
end)
it('can return opts.cacelreturn when aborted with ESC with cancelreturn opt #18144', function()
feed(':lua result = "on_confirm not called"<cr>')
feed(':lua vim.ui.input({ cancelreturn = "CANCEL" }, function(input) result = input end)<cr>')
feed('Inputted Text<esc>')
eq('CANCEL', exec_lua('return result'))
end)
it('can return nil when interrupted with Ctrl-C #18144', function()
feed(':lua result = "on_confirm not called"<cr>')
feed(':lua vim.ui.input({}, function(input) result = input end)<cr>')
poke_eventloop() -- This is needed because Ctrl-C flushes input
feed('Inputted Text<c-c>')
eq(true, exec_lua('return (nil == result)'))
end)
it('can return the identical object when an arbitrary opts.cancelreturn object is given', function()
feed(':lua fn = function() return 42 end<CR>')
eq(42, exec_lua('return fn()'))
feed(':lua vim.ui.input({ cancelreturn = fn }, function(input) result = input end)<cr>')
feed('cancel<esc>')
eq(true, exec_lua('return (result == fn)'))
eq(42, exec_lua('return result()'))
end)
end)
describe('open()', function()
it('validation', function()
if is_ci('github') then
matches('vim.ui.open: command failed %(%d%): { "[^"]+", "non%-existent%-file" }',
exec_lua[[local _, err = vim.ui.open('non-existent-file') ; return err]])
end
exec_lua[[
vim.fn.has = function() return 0 end
vim.fn.executable = function() return 0 end
]]
eq('vim.ui.open: no handler found (tried: wslview, xdg-open)',
exec_lua[[local _, err = vim.ui.open('foo') ; return err]])
end)
end)
end)