mirror of
https://github.com/neovim/neovim.git
synced 2024-12-20 11:15:14 -07:00
307 lines
11 KiB
Lua
307 lines
11 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
|
||
|
||
local lfs = require('lfs')
|
||
|
||
local eq = helpers.eq
|
||
local clear = helpers.clear
|
||
local funcs = helpers.funcs
|
||
local meths = helpers.meths
|
||
local command = helpers.command
|
||
local exc_exec = helpers.exc_exec
|
||
local bufmeths = helpers.bufmeths
|
||
local winmeths = helpers.winmeths
|
||
local curbufmeths = helpers.curbufmeths
|
||
local curwinmeths = helpers.curwinmeths
|
||
local curtabmeths = helpers.curtabmeths
|
||
local get_pathsep = helpers.get_pathsep
|
||
local rmdir = helpers.rmdir
|
||
local pcall_err = helpers.pcall_err
|
||
|
||
local fname = 'Xtest-functional-eval-buf_functions'
|
||
local fname2 = fname .. '.2'
|
||
local dirname = fname .. '.d'
|
||
|
||
before_each(clear)
|
||
|
||
for _, func in ipairs({'bufname(%s)', 'bufnr(%s)', 'bufwinnr(%s)',
|
||
'getbufline(%s, 1)', 'getbufvar(%s, "changedtick")',
|
||
'setbufvar(%s, "f", 0)'}) do
|
||
local funcname = func:match('%w+')
|
||
describe(funcname .. '() function', function()
|
||
it('errors out when receives v:true/v:false/v:null', function()
|
||
-- Not compatible with Vim: in Vim it always results in buffer not found
|
||
-- without any error messages.
|
||
for _, var in ipairs({'v:true', 'v:false'}) do
|
||
eq('Vim(call):E5299: Expected a Number or a String, Boolean found',
|
||
exc_exec('call ' .. func:format(var)))
|
||
end
|
||
eq('Vim(call):E5300: Expected a Number or a String',
|
||
exc_exec('call ' .. func:format('v:null')))
|
||
end)
|
||
it('errors out when receives invalid argument', function()
|
||
eq('Vim(call):E745: Expected a Number or a String, List found',
|
||
exc_exec('call ' .. func:format('[]')))
|
||
eq('Vim(call):E728: Expected a Number or a String, Dictionary found',
|
||
exc_exec('call ' .. func:format('{}')))
|
||
eq('Vim(call):E805: Expected a Number or a String, Float found',
|
||
exc_exec('call ' .. func:format('0.0')))
|
||
eq('Vim(call):E703: Expected a Number or a String, Funcref found',
|
||
exc_exec('call ' .. func:format('function("tr")')))
|
||
end)
|
||
end)
|
||
end
|
||
|
||
describe('bufname() function', function()
|
||
it('returns empty string when buffer was not found', function()
|
||
command('file ' .. fname)
|
||
eq('', funcs.bufname(2))
|
||
eq('', funcs.bufname('non-existent-buffer'))
|
||
eq('', funcs.bufname('#'))
|
||
command('edit ' .. fname2)
|
||
eq(2, funcs.bufnr('%'))
|
||
eq('', funcs.bufname('X'))
|
||
end)
|
||
before_each(function()
|
||
lfs.mkdir(dirname)
|
||
end)
|
||
after_each(function()
|
||
rmdir(dirname)
|
||
end)
|
||
it('returns expected buffer name', function()
|
||
eq('', funcs.bufname('%')) -- Buffer has no name yet
|
||
command('file ' .. fname)
|
||
local wd = lfs.currentdir()
|
||
local sep = get_pathsep()
|
||
local curdirname = funcs.fnamemodify(wd, ':t')
|
||
for _, arg in ipairs({'%', 1, 'X', wd}) do
|
||
eq(fname, funcs.bufname(arg))
|
||
meths.set_current_dir('..')
|
||
eq(curdirname .. sep .. fname, funcs.bufname(arg))
|
||
meths.set_current_dir(curdirname)
|
||
meths.set_current_dir(dirname)
|
||
eq(wd .. sep .. fname, funcs.bufname(arg))
|
||
meths.set_current_dir('..')
|
||
eq(fname, funcs.bufname(arg))
|
||
command('enew')
|
||
end
|
||
eq('', funcs.bufname('%'))
|
||
eq('', funcs.bufname('$'))
|
||
eq(2, funcs.bufnr('%'))
|
||
end)
|
||
end)
|
||
|
||
describe('bufnr() function', function()
|
||
it('returns -1 when buffer was not found', function()
|
||
command('file ' .. fname)
|
||
eq(-1, funcs.bufnr(2))
|
||
eq(-1, funcs.bufnr('non-existent-buffer'))
|
||
eq(-1, funcs.bufnr('#'))
|
||
command('edit ' .. fname2)
|
||
eq(2, funcs.bufnr('%'))
|
||
eq(-1, funcs.bufnr('X'))
|
||
end)
|
||
it('returns expected buffer number', function()
|
||
eq(1, funcs.bufnr('%'))
|
||
command('file ' .. fname)
|
||
local wd = lfs.currentdir()
|
||
local curdirname = funcs.fnamemodify(wd, ':t')
|
||
eq(1, funcs.bufnr(fname))
|
||
eq(1, funcs.bufnr(wd))
|
||
eq(1, funcs.bufnr(curdirname))
|
||
eq(1, funcs.bufnr('X'))
|
||
end)
|
||
it('returns number of last buffer with "$"', function()
|
||
eq(1, funcs.bufnr('$'))
|
||
command('new')
|
||
eq(2, funcs.bufnr('$'))
|
||
command('new')
|
||
eq(3, funcs.bufnr('$'))
|
||
command('only')
|
||
eq(3, funcs.bufnr('$'))
|
||
eq(3, funcs.bufnr('%'))
|
||
command('buffer 1')
|
||
eq(3, funcs.bufnr('$'))
|
||
eq(1, funcs.bufnr('%'))
|
||
command('bwipeout 2')
|
||
eq(3, funcs.bufnr('$'))
|
||
eq(1, funcs.bufnr('%'))
|
||
command('bwipeout 3')
|
||
eq(1, funcs.bufnr('$'))
|
||
eq(1, funcs.bufnr('%'))
|
||
command('new')
|
||
eq(4, funcs.bufnr('$'))
|
||
end)
|
||
end)
|
||
|
||
describe('bufwinnr() function', function()
|
||
it('returns -1 when buffer was not found', function()
|
||
command('file ' .. fname)
|
||
eq(-1, funcs.bufwinnr(2))
|
||
eq(-1, funcs.bufwinnr('non-existent-buffer'))
|
||
eq(-1, funcs.bufwinnr('#'))
|
||
command('split ' .. fname2) -- It would be OK if there was one window
|
||
eq(2, funcs.bufnr('%'))
|
||
eq(-1, funcs.bufwinnr('X'))
|
||
end)
|
||
before_each(function()
|
||
lfs.mkdir(dirname)
|
||
end)
|
||
after_each(function()
|
||
rmdir(dirname)
|
||
end)
|
||
it('returns expected window number', function()
|
||
eq(1, funcs.bufwinnr('%'))
|
||
command('file ' .. fname)
|
||
command('vsplit')
|
||
command('split ' .. fname2)
|
||
eq(2, funcs.bufwinnr(fname))
|
||
eq(1, funcs.bufwinnr(fname2))
|
||
eq(-1, funcs.bufwinnr(fname:sub(1, #fname - 1)))
|
||
meths.set_current_dir(dirname)
|
||
eq(2, funcs.bufwinnr(fname))
|
||
eq(1, funcs.bufwinnr(fname2))
|
||
eq(-1, funcs.bufwinnr(fname:sub(1, #fname - 1)))
|
||
eq(1, funcs.bufwinnr('%'))
|
||
eq(2, funcs.bufwinnr(1))
|
||
eq(1, funcs.bufwinnr(2))
|
||
eq(-1, funcs.bufwinnr(3))
|
||
eq(1, funcs.bufwinnr('$'))
|
||
end)
|
||
end)
|
||
|
||
describe('getbufline() function', function()
|
||
it('returns empty list when buffer was not found', function()
|
||
command('file ' .. fname)
|
||
eq({}, funcs.getbufline(2, 1))
|
||
eq({}, funcs.getbufline('non-existent-buffer', 1))
|
||
eq({}, funcs.getbufline('#', 1))
|
||
command('edit ' .. fname2)
|
||
eq(2, funcs.bufnr('%'))
|
||
eq({}, funcs.getbufline('X', 1))
|
||
end)
|
||
it('returns empty list when range is invalid', function()
|
||
eq({}, funcs.getbufline(1, 0))
|
||
curbufmeths.set_lines(0, 1, false, {'foo', 'bar', 'baz'})
|
||
eq({}, funcs.getbufline(1, 2, 1))
|
||
eq({}, funcs.getbufline(1, -10, -20))
|
||
eq({}, funcs.getbufline(1, -2, -1))
|
||
eq({}, funcs.getbufline(1, -1, 9999))
|
||
end)
|
||
it('returns expected lines', function()
|
||
meths.set_option('hidden', true)
|
||
command('file ' .. fname)
|
||
curbufmeths.set_lines(0, 1, false, {'foo\0', '\0bar', 'baz'})
|
||
command('edit ' .. fname2)
|
||
curbufmeths.set_lines(0, 1, false, {'abc\0', '\0def', 'ghi'})
|
||
eq({'foo\n', '\nbar', 'baz'}, funcs.getbufline(1, 1, 9999))
|
||
eq({'abc\n', '\ndef', 'ghi'}, funcs.getbufline(2, 1, 9999))
|
||
eq({'foo\n', '\nbar', 'baz'}, funcs.getbufline(1, 1, '$'))
|
||
eq({'baz'}, funcs.getbufline(1, '$', '$'))
|
||
eq({'baz'}, funcs.getbufline(1, '$', 9999))
|
||
end)
|
||
end)
|
||
|
||
describe('getbufvar() function', function()
|
||
it('returns empty list when buffer was not found', function()
|
||
command('file ' .. fname)
|
||
eq('', funcs.getbufvar(2, '&autoindent'))
|
||
eq('', funcs.getbufvar('non-existent-buffer', '&autoindent'))
|
||
eq('', funcs.getbufvar('#', '&autoindent'))
|
||
command('edit ' .. fname2)
|
||
eq(2, funcs.bufnr('%'))
|
||
eq('', funcs.getbufvar('X', '&autoindent'))
|
||
end)
|
||
it('returns empty list when variable/option/etc was not found', function()
|
||
command('file ' .. fname)
|
||
eq('', funcs.getbufvar(1, '&autondent'))
|
||
eq('', funcs.getbufvar(1, 'changedtic'))
|
||
end)
|
||
it('returns expected option value', function()
|
||
eq(0, funcs.getbufvar(1, '&autoindent'))
|
||
eq(0, funcs.getbufvar(1, '&l:autoindent'))
|
||
eq(0, funcs.getbufvar(1, '&g:autoindent'))
|
||
-- Also works with global-only options
|
||
eq(1, funcs.getbufvar(1, '&hidden'))
|
||
eq(1, funcs.getbufvar(1, '&l:hidden'))
|
||
eq(1, funcs.getbufvar(1, '&g:hidden'))
|
||
-- Also works with window-local options
|
||
eq(0, funcs.getbufvar(1, '&number'))
|
||
eq(0, funcs.getbufvar(1, '&l:number'))
|
||
eq(0, funcs.getbufvar(1, '&g:number'))
|
||
command('new')
|
||
-- But with window-local options it probably does not what you expect
|
||
command("setl number")
|
||
-- (note that current window’s buffer is 2, but getbufvar() receives 1)
|
||
eq({id=2}, curwinmeths.get_buf())
|
||
eq(1, funcs.getbufvar(1, '&number'))
|
||
eq(1, funcs.getbufvar(1, '&l:number'))
|
||
-- You can get global value though, if you find this useful.
|
||
eq(0, funcs.getbufvar(1, '&g:number'))
|
||
end)
|
||
it('returns expected variable value', function()
|
||
eq(2, funcs.getbufvar(1, 'changedtick'))
|
||
curbufmeths.set_lines(0, 1, false, {'abc\0', '\0def', 'ghi'})
|
||
eq(3, funcs.getbufvar(1, 'changedtick'))
|
||
curbufmeths.set_var('test', true)
|
||
eq(true, funcs.getbufvar(1, 'test'))
|
||
eq({test=true, changedtick=3}, funcs.getbufvar(1, ''))
|
||
command('new')
|
||
eq(3, funcs.getbufvar(1, 'changedtick'))
|
||
eq(true, funcs.getbufvar(1, 'test'))
|
||
eq({test=true, changedtick=3}, funcs.getbufvar(1, ''))
|
||
end)
|
||
end)
|
||
|
||
describe('setbufvar() function', function()
|
||
it('throws the error or ignores the input when buffer was not found', function()
|
||
command('file ' .. fname)
|
||
eq(0,
|
||
exc_exec('call setbufvar(2, "&autoindent", 0)'))
|
||
eq('Vim(call):E94: No matching buffer for non-existent-buffer',
|
||
exc_exec('call setbufvar("non-existent-buffer", "&autoindent", 0)'))
|
||
eq(0,
|
||
exc_exec('call setbufvar("#", "&autoindent", 0)'))
|
||
command('edit ' .. fname2)
|
||
eq(2, funcs.bufnr('%'))
|
||
eq('Vim(call):E93: More than one match for X',
|
||
exc_exec('call setbufvar("X", "&autoindent", 0)'))
|
||
end)
|
||
it('may set options, including window-local and global values', function()
|
||
local buf1 = meths.get_current_buf()
|
||
eq(false, curwinmeths.get_option('number'))
|
||
command('split')
|
||
command('new')
|
||
eq(2, bufmeths.get_number(curwinmeths.get_buf()))
|
||
funcs.setbufvar(1, '&number', true)
|
||
local windows = curtabmeths.list_wins()
|
||
eq(false, winmeths.get_option(windows[1], 'number'))
|
||
eq(true, winmeths.get_option(windows[2], 'number'))
|
||
eq(false, winmeths.get_option(windows[3], 'number'))
|
||
eq(false, winmeths.get_option(meths.get_current_win(), 'number'))
|
||
|
||
eq(true, meths.get_option('hidden'))
|
||
funcs.setbufvar(1, '&hidden', 0)
|
||
eq(false, meths.get_option('hidden'))
|
||
|
||
eq(false, bufmeths.get_option(buf1, 'autoindent'))
|
||
funcs.setbufvar(1, '&autoindent', true)
|
||
eq(true, bufmeths.get_option(buf1, 'autoindent'))
|
||
eq('Vim(call):E355: Unknown option: xxx',
|
||
exc_exec('call setbufvar(1, "&xxx", 0)'))
|
||
end)
|
||
it('may set variables', function()
|
||
local buf1 = meths.get_current_buf()
|
||
command('split')
|
||
command('new')
|
||
eq(2, curbufmeths.get_number())
|
||
funcs.setbufvar(1, 'number', true)
|
||
eq(true, bufmeths.get_var(buf1, 'number'))
|
||
eq('Vim(call):E461: Illegal variable name: b:',
|
||
exc_exec('call setbufvar(1, "", 0)'))
|
||
eq(true, bufmeths.get_var(buf1, 'number'))
|
||
eq('Vim:E46: Cannot change read-only variable "b:changedtick"',
|
||
pcall_err(funcs.setbufvar, 1, 'changedtick', true))
|
||
eq(2, funcs.getbufvar(1, 'changedtick'))
|
||
end)
|
||
end)
|