neovim/test/functional/shada/history_spec.lua
erw7 a4fe8bdc97
shada: fix failed assertion on exit (#12692)
If set the number of history saves is 0, assertions fail when inserting an entry on exit.
Dont insert an entry when the number of saves is 0 fixes the issue.

fixes #11497
2020-07-31 16:08:34 +02:00

251 lines
7.3 KiB
Lua

-- ShaDa history saving/reading support
local helpers = require('test.functional.helpers')(after_each)
local nvim_command, funcs, meths, nvim_feed, eq =
helpers.command, helpers.funcs, helpers.meths, helpers.feed, helpers.eq
local eval = helpers.eval
local shada_helpers = require('test.functional.shada.helpers')
local reset, clear = shada_helpers.reset, shada_helpers.clear
describe('ShaDa support code', function()
before_each(reset)
after_each(clear)
it('is able to dump and read back command-line history', function()
nvim_command('set shada=\'0')
nvim_feed(':" Test\n')
nvim_command('wshada')
reset()
nvim_command('set shada=\'0')
nvim_command('rshada')
eq('" Test', funcs.histget(':', -1))
end)
it('is able to dump and read back 2 items in command-line history', function()
nvim_command('set shada=\'0 history=2')
nvim_feed(':" Test\n')
nvim_feed(':" Test 2\n')
nvim_command('qall')
reset()
nvim_command('set shada=\'0 history=2')
nvim_command('rshada')
eq('" Test 2', funcs.histget(':', -1))
eq('" Test', funcs.histget(':', -2))
nvim_command('qall')
end)
it('respects &history when dumping',
function()
nvim_command('set shada=\'0 history=1')
nvim_feed(':" Test\n')
nvim_feed(':" Test 2\n')
nvim_command('wshada')
reset()
nvim_command('set shada=\'0 history=2')
nvim_command('rshada')
eq('" Test 2', funcs.histget(':', -1))
eq('', funcs.histget(':', -2))
end)
it('respects &history when loading',
function()
nvim_command('set shada=\'0 history=2')
nvim_feed(':" Test\n')
nvim_feed(':" Test 2\n')
nvim_command('wshada')
reset()
nvim_command('set shada=\'0 history=1')
nvim_command('rshada')
eq('" Test 2', funcs.histget(':', -1))
eq('', funcs.histget(':', -2))
end)
it('dumps only requested amount of command-line history items', function()
nvim_command('set shada=\'0,:1')
nvim_feed(':" Test\n')
nvim_feed(':" Test 2\n')
nvim_command('wshada')
-- Regression test: :wshada should not alter or free history.
eq('" Test 2', funcs.histget(':', -1))
eq('" Test', funcs.histget(':', -2))
reset()
nvim_command('set shada=\'0')
nvim_command('rshada')
eq('" Test 2', funcs.histget(':', -1))
eq('', funcs.histget(':', -2))
end)
it('does not respect number in &shada when loading history', function()
nvim_command('set shada=\'0')
nvim_feed(':" Test\n')
nvim_feed(':" Test 2\n')
nvim_command('wshada')
reset()
nvim_command('set shada=\'0,:1')
nvim_command('rshada')
eq('" Test 2', funcs.histget(':', -1))
eq('" Test', funcs.histget(':', -2))
end)
it('dumps and loads all kinds of histories', function()
nvim_command('debuggreedy')
nvim_feed(':debug echo "Test"\n" Test 2\nc\n') -- Debug history.
nvim_feed(':call input("")\nTest 2\n') -- Input history.
nvim_feed('"="Test"\nyy') -- Expression history.
nvim_feed('/Test\n') -- Search history
nvim_feed(':" Test\n') -- Command-line history
nvim_command('0debuggreedy')
nvim_command('wshada')
reset()
nvim_command('rshada')
eq('" Test', funcs.histget(':', -1))
eq('Test', funcs.histget('/', -1))
eq('"Test"', funcs.histget('=', -1))
eq('Test 2', funcs.histget('@', -1))
eq('c', funcs.histget('>', -1))
end)
it('dumps and loads last search pattern with offset', function()
meths.set_option('wrapscan', false)
funcs.setline('.', {'foo', 'bar--'})
nvim_feed('gg0/a/e+1\n')
eq({0, 2, 3, 0}, funcs.getpos('.'))
nvim_command('wshada')
reset()
meths.set_option('wrapscan', false)
funcs.setline('.', {'foo', 'bar--'})
nvim_feed('gg0n')
eq({0, 2, 3, 0}, funcs.getpos('.'))
eq(1, meths.get_vvar('searchforward'))
end)
it('dumps and loads last search pattern with offset and backward direction',
function()
meths.set_option('wrapscan', false)
funcs.setline('.', {'foo', 'bar--'})
nvim_feed('G$?a?e+1\n')
eq({0, 2, 3, 0}, funcs.getpos('.'))
nvim_command('wshada')
reset()
meths.set_option('wrapscan', false)
funcs.setline('.', {'foo', 'bar--'})
nvim_feed('G$n')
eq({0, 2, 3, 0}, funcs.getpos('.'))
eq(0, meths.get_vvar('searchforward'))
end)
it('saves v:hlsearch=1', function()
nvim_command('set hlsearch shada-=h')
nvim_feed('/test\n')
eq(1, meths.get_vvar('hlsearch'))
nvim_command('qall')
reset()
eq(1, meths.get_vvar('hlsearch'))
end)
it('saves v:hlsearch=0 with :nohl', function()
nvim_command('set hlsearch shada-=h')
nvim_feed('/test\n')
nvim_command('nohlsearch')
nvim_command('qall')
reset()
eq(0, meths.get_vvar('hlsearch'))
end)
it('saves v:hlsearch=0 with default &shada', function()
nvim_command('set hlsearch')
nvim_feed('/test\n')
eq(1, meths.get_vvar('hlsearch'))
nvim_command('qall')
reset()
eq(0, meths.get_vvar('hlsearch'))
end)
it('dumps and loads last substitute pattern and replacement string', function()
funcs.setline('.', {'foo', 'bar'})
nvim_command('%s/f/g/g')
eq('goo', funcs.getline(1))
nvim_command('wshada')
reset()
funcs.setline('.', {'foo', 'bar'})
nvim_command('&')
eq('goo', funcs.getline(1))
end)
it('dumps and loads history with UTF-8 characters', function()
reset()
nvim_feed(':echo "«"\n')
nvim_command('qall')
reset()
eq('echo "«"', funcs.histget(':', -1))
end)
it('dumps and loads replacement with UTF-8 characters',
function()
nvim_command('substitute/./«/ge')
nvim_command('qall!')
reset()
funcs.setline('.', {'.'})
nvim_command('&')
eq('«', funcs.getline('.'))
end)
it('dumps and loads substitute pattern with UTF-8 characters',
function()
nvim_command('substitute/«/./ge')
nvim_command('qall!')
reset()
funcs.setline('.', {'«\171'})
nvim_command('&')
eq('.\171', funcs.getline('.'))
end)
it('dumps and loads search pattern with UTF-8 characters',
function()
nvim_command('silent! /«/')
nvim_command('set shada+=/0')
nvim_command('qall!')
reset()
funcs.setline('.', {'\171«'})
nvim_command('~&')
eq('\171', funcs.getline('.'))
eq('', funcs.histget('/', -1))
end)
it('dumps and loads search pattern with 8-bit single-byte',
function()
-- \171 is U+00AB LEFT-POINTING DOUBLE ANGLE QUOTATION MARK in latin1
nvim_command('silent! /\171/')
nvim_command('set shada+=/0')
nvim_command('qall!')
reset()
funcs.setline('.', {'\171«'})
nvim_command('~&')
eq('«', funcs.getline('.'))
eq('', funcs.histget('/', -1))
end)
it('does not crash when dumping last search pattern (#10945)', function()
nvim_command('edit Xtest-functional-shada-history_spec')
-- Save jump list
nvim_command('wshada')
-- Wipe out buffer list (jump list entry gets removed)
nvim_command('%bwipeout')
-- Restore jump list
nvim_command('rshada')
nvim_command('silent! /pat/')
nvim_command('au BufNew * echo')
nvim_command('wshada')
end)
it('does not crash when number of history save to zero (#11497)', function()
nvim_command('set shada=\'10')
nvim_feed(':" Test\n')
nvim_command('wshada')
nvim_command('set shada=\'10,:0')
nvim_command('wshada')
eq(2, eval('1+1')) -- check nvim still running
end)
end)