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API: Context: save/restore

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This commit is contained in:
Abdelhakeem
2019-07-21 21:41:04 +02:00
committed by Justin M. Keyes
parent 691deca2e8
commit b6278bbf12
8 changed files with 218 additions and 28 deletions
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105
test/functional/eval/ctx_functions_spec.lua
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@@ -10,6 +10,8 @@ local feed = helpers.feed
local map = helpers.map
local nvim = helpers.nvim
local parse_context = helpers.parse_context
local redir_exec = helpers.redir_exec
local source = helpers.source
local trim = helpers.trim
local write_file = helpers.write_file
@@ -126,6 +128,109 @@ describe('context functions', function()
eq({1, 2 ,3}, eval('[g:one, g:Two, g:THREE]'))
end)
it('saves and restores script functions properly', function()
source([[
function s:greet(name)
echom 'Hello, '.a:name.'!'
endfunction
function s:greet_all(name, ...)
echom 'Hello, '.a:name.'!'
for more in a:000
echom 'Hello, '.more.'!'
endfor
endfunction
function Greet(name)
call call('s:greet', [a:name])
endfunction
function GreetAll(name, ...)
call call('s:greet_all', extend([a:name], a:000))
endfunction
function SaveSFuncs()
call ctxpush(['sfuncs'])
endfunction
function DeleteSFuncs()
delfunction s:greet
delfunction s:greet_all
endfunction
function RestoreFuncs()
call ctxpop()
endfunction
]])
eq('\nHello, World!', redir_exec([[call Greet('World')]]))
eq('\nHello, World!'..
'\nHello, One!'..
'\nHello, Two!'..
'\nHello, Three!',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
call('SaveSFuncs')
call('DeleteSFuncs')
eq('\nError detected while processing function Greet:'..
'\nline 1:'..
'\nE117: Unknown function: s:greet',
redir_exec([[call Greet('World')]]))
eq('\nError detected while processing function GreetAll:'..
'\nline 1:'..
'\nE117: Unknown function: s:greet_all',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
call('RestoreFuncs')
eq('\nHello, World!', redir_exec([[call Greet('World')]]))
eq('\nHello, World!'..
'\nHello, One!'..
'\nHello, Two!'..
'\nHello, Three!',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
end)
it('saves and restores functions properly', function()
source([[
function Greet(name)
echom 'Hello, '.a:name.'!'
endfunction
function GreetAll(name, ...)
echom 'Hello, '.a:name.'!'
for more in a:000
echom 'Hello, '.more.'!'
endfor
endfunction
]])
eq('\nHello, World!', redir_exec([[call Greet('World')]]))
eq('\nHello, World!'..
'\nHello, One!'..
'\nHello, Two!'..
'\nHello, Three!',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
call('ctxpush', {'funcs'})
command('delfunction Greet')
command('delfunction GreetAll')
expect_err('Vim:E117: Unknown function: Greet', call, 'Greet', 'World')
expect_err('Vim:E117: Unknown function: Greet', call, 'GreetAll',
'World', 'One', 'Two', 'Three')
call('ctxpop')
eq('\nHello, World!', redir_exec([[call Greet('World')]]))
eq('\nHello, World!'..
'\nHello, One!'..
'\nHello, Two!'..
'\nHello, Three!',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
end)
it('errors out when context stack is empty', function()
local err = 'Vim:Context stack is empty'
expect_err(err, call, 'ctxpop')