neovim/test/functional/shada/variables_spec.lua

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-- ShaDa variables saving/reading support
local helpers = require('test.functional.helpers')
local meths, funcs, nvim_command, eq =
helpers.meths, helpers.funcs, helpers.command, helpers.eq
local shada_helpers = require('test.functional.shada.helpers')
local reset, set_additional_cmd, clear =
shada_helpers.reset, shada_helpers.set_additional_cmd,
shada_helpers.clear
describe('ShaDa support code', function()
before_each(reset)
after_each(clear)
it('is able to dump and read back string variable', function()
meths.set_var('STRVAR', 'foo')
nvim_command('set shada+=!')
nvim_command('wshada')
reset()
nvim_command('set shada+=!')
nvim_command('rshada')
eq('foo', meths.get_var('STRVAR'))
end)
local autotest = function(tname, varname, varval)
it('is able to dump and read back ' .. tname .. ' variable automatically',
function()
set_additional_cmd('set shada+=!')
reset()
meths.set_var(varname, varval)
-- Exit during `reset` is not a regular exit: it does not write shada
-- automatically
nvim_command('qall')
reset()
eq(varval, meths.get_var(varname))
end)
end
autotest('string', 'STRVAR', 'foo')
autotest('number', 'NUMVAR', 42)
autotest('float', 'FLTVAR', 42.5)
autotest('dictionary', 'DCTVAR', {a=10})
autotest('list', 'LSTVAR', {{a=10}, {b=10.5}, {c='str'}})
it('does not read back variables without `!` in &shada', function()
meths.set_var('STRVAR', 'foo')
nvim_command('set shada+=!')
nvim_command('wshada')
set_additional_cmd('set shada-=!')
reset()
nvim_command('rshada')
eq(0, funcs.exists('g:STRVAR'))
end)
it('does not dump variables without `!` in &shada', function()
nvim_command('set shada-=!')
meths.set_var('STRVAR', 'foo')
nvim_command('wshada')
reset()
nvim_command('set shada+=!')
nvim_command('rshada')
eq(0, funcs.exists('g:STRVAR'))
end)
it('does not dump session variables', function()
nvim_command('set shada+=!')
meths.set_var('StrVar', 'foo')
nvim_command('wshada')
reset()
nvim_command('set shada+=!')
nvim_command('rshada')
eq(0, funcs.exists('g:StrVar'))
end)
it('does not dump regular variables', function()
nvim_command('set shada+=!')
meths.set_var('str_var', 'foo')
nvim_command('wshada')
reset()
nvim_command('set shada+=!')
nvim_command('rshada')
eq(0, funcs.exists('g:str_var'))
end)
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it('dumps and loads variables correctly when &encoding is not UTF-8',
function()
set_additional_cmd('set encoding=latin1')
reset()
-- \171 is U+00AB LEFT-POINTING DOUBLE ANGLE QUOTATION MARK in latin1
meths.set_var('STRVAR', '\171')
meths.set_var('LSTVAR', {'\171'})
meths.set_var('DCTVAR', {['\171']='\171'})
meths.set_var('NESTEDVAR', {['\171']={{'\171'}, {['\171']='\171'},
{a='Test'}}})
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nvim_command('qall')
reset()
eq('\171', meths.get_var('STRVAR'))
eq({'\171'}, meths.get_var('LSTVAR'))
eq({['\171']='\171'}, meths.get_var('DCTVAR'))
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eq({['\171']={{'\171'}, {['\171']='\171'}, {a='Test'}}},
meths.get_var('NESTEDVAR'))
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end)
it('dumps and loads variables correctly when &encoding /= UTF-8 when dumping',
function()
set_additional_cmd('set encoding=latin1')
reset()
-- \171 is U+00AB LEFT-POINTING DOUBLE ANGLE QUOTATION MARK in latin1
meths.set_var('STRVAR', '\171')
meths.set_var('LSTVAR', {'\171'})
meths.set_var('DCTVAR', {['\171']='\171'})
meths.set_var('NESTEDVAR', {['\171']={{'\171'}, {['\171']='\171'},
{a='Test'}}})
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set_additional_cmd('')
nvim_command('qall')
reset()
eq('«', meths.get_var('STRVAR'))
eq({'«'}, meths.get_var('LSTVAR'))
eq({['«']='«'}, meths.get_var('DCTVAR'))
eq({['«']={{'«'}, {['«']='«'}, {a='Test'}}}, meths.get_var('NESTEDVAR'))
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end)
it('dumps and loads variables correctly when &encoding /= UTF-8 when loading',
function()
-- \171 is U+00AB LEFT-POINTING DOUBLE ANGLE QUOTATION MARK in latin1
meths.set_var('STRVAR', '«')
meths.set_var('LSTVAR', {'«'})
meths.set_var('DCTVAR', {['«']='«'})
meths.set_var('NESTEDVAR', {['«']={{'«'}, {['«']='«'}, {a='Test'}}})
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set_additional_cmd('set encoding=latin1')
nvim_command('qall')
reset()
eq('\171', meths.get_var('STRVAR'))
eq({'\171'}, meths.get_var('LSTVAR'))
eq({['\171']='\171'}, meths.get_var('DCTVAR'))
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eq({['\171']={{'\171'}, {['\171']='\171'}, {a='Test'}}},
meths.get_var('NESTEDVAR'))
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end)
end)