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eval: executable(), exepath() accept strings only

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Cherry-pick f_executable(), f_exepath(), check_for_string() from patch 8.2.2117.
Rename check_for_string() to tv_check_for_string().
7bb4e74c38

Close https://github.com/neovim/neovim/issues/13485
This commit is contained in:
Jan Edmund Lazo
2020-12-08 20:19:08 -05:00
parent 062576f679
commit 5ccc79e880
11 changed files with 55 additions and 12 deletions
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11
test/functional/eval/executable_spec.lua
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@@ -2,6 +2,7 @@ local helpers = require('test.functional.helpers')(after_each)
local eq, clear, call, iswin, write_file, command =
helpers.eq, helpers.clear, helpers.call, helpers.iswin, helpers.write_file,
helpers.command
local exc_exec = helpers.exc_exec
local eval = helpers.eval
describe('executable()', function()
@@ -12,6 +13,16 @@ describe('executable()', function()
eq(1, call('executable', exe))
end)
it('fails for invalid values', function()
for _, input in ipairs({'""', 'v:null', 'v:true', 'v:false', '{}', '[]'}) do
eq('Vim(call):E928: String required', exc_exec('call executable('..input..')'))
end
command('let $PATH = fnamemodify("./test/functional/fixtures/bin", ":p")')
for _, input in ipairs({'v:null', 'v:true', 'v:false'}) do
eq('Vim(call):E928: String required', exc_exec('call executable('..input..')'))
end
end)
it('returns 0 for non-existent files', function()
eq(0, call('executable', 'no_such_file_exists_209ufq23f'))
end)