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tests: Add tests for partials dumping

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Also fixed dumping of partials by encode_vim_to_object and added code which is 
able to work with partials and dictionaries to test/unit/eval/helpers.lua 
(mostly copied from #5119, except for partials handling).
This commit is contained in:
ZyX
2017-01-03 22:51:29 +03:00
parent efc624c2fe
commit 136b382e64
7 changed files with 289 additions and 48 deletions
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60
test/functional/eval/string_spec.lua
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@@ -10,6 +10,7 @@ local funcs = helpers.funcs
local write_file = helpers.write_file
local NIL = helpers.NIL
local source = helpers.source
local dedent = helpers.dedent
describe('string() function', function()
before_each(clear)
@@ -111,10 +112,10 @@ describe('string() function', function()
function Test1()
endfunction
function s:Test2()
function s:Test2() dict
endfunction
function g:Test3()
function g:Test3() dict
endfunction
let g:Test2_f = function('s:Test2')
@@ -150,6 +151,61 @@ describe('string() function', function()
eq("\nE724: unable to correctly dump variable with self-referencing container\nfunction('TestDict', {'tdr': function('TestDict', {E724@1})})",
redir_exec('echo string(d.tdr)'))
end)
it('dumps automatically created partials', function()
eq('function(\'<SNR>1_Test2\', {\'f\': function(\'<SNR>1_Test2\')})',
eval('string({"f": Test2_f}.f)'))
eq('function(\'<SNR>1_Test2\', [1], {\'f\': function(\'<SNR>1_Test2\', [1])})',
eval('string({"f": function(Test2_f, [1])}.f)'))
end)
it('dumps manually created partials', function()
eq('function(\'Test3\', [1, 2], {})',
eval('string(function("Test3", [1, 2], {}))'))
eq('function(\'Test3\', {})',
eval('string(function("Test3", {}))'))
eq('function(\'Test3\', [1, 2])',
eval('string(function("Test3", [1, 2]))'))
end)
it('does not crash or halt when dumping partials with reference cycles in self',
function()
meths.set_var('d', {v=true})
eq(dedent([[
E724: unable to correctly dump variable with self-referencing container
{'p': function('<SNR>1_Test2', {E724@0}), 'f': function('<SNR>1_Test2'), 'v': v:true}]]),
redir_exec('echo string(extend(extend(g:d, {"f": g:Test2_f}), {"p": g:d.f}))'))
end)
it('does not crash or halt when dumping partials with reference cycles in arguments',
function()
meths.set_var('l', {})
eval('add(l, l)')
-- Regression: the below line used to crash (add returns original list and
-- there was error in dumping partials). Tested explicitly in
-- test/unit/api/private_helpers_spec.lua.
eval('add(l, function("Test1", l))')
eq(dedent([=[
E724: unable to correctly dump variable with self-referencing container
function('Test1', [[{E724@2}, function('Test1', [{E724@2}])], function('Test1', [[{E724@4}, function('Test1', [{E724@4}])]])])]=]),
redir_exec('echo string(function("Test1", l))'))
end)
it('does not crash or halt when dumping partials with reference cycles in self and arguments',
function()
meths.set_var('d', {v=true})
meths.set_var('l', {})
eval('add(l, l)')
eval('add(l, function("Test1", l))')
eval('add(l, function("Test1", d))')
eq(dedent([=[
E724: unable to correctly dump variable with self-referencing container
{'p': function('<SNR>1_Test2', [[{E724@3}, function('Test1', [{E724@3}]), function('Test1', {E724@0})], function('Test1', [[{E724@5}, function('Test1', [{E724@5}]), function('Test1', {E724@0})]]), function('Test1', {E724@0})], {E724@0}), 'f': function('<SNR>1_Test2'), 'v': v:true}]=]),
redir_exec('echo string(extend(extend(g:d, {"f": g:Test2_f}), {"p": function(g:d.f, l)}))'))
end)
end)
describe('used to represent lists', function()