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exists(): return false for empty env var #10657

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Fixes https://github.com/neovim/neovim/issues/3266
close #10657
This commit is contained in:
Daniel Hahler
2019-07-30 11:37:39 +02:00
committed by Justin M. Keyes
parent 5aa97937e7
commit 06d9cc734b
2 changed files with 9 additions and 3 deletions
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10
test/functional/eval/environ_spec.lua
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@@ -2,11 +2,17 @@ local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local eq = helpers.eq
local environ = helpers.funcs.environ
local exists = helpers.funcs.exists
describe('environ()', function()
it('handles empty env variable', function()
describe('environment variables', function()
it('environ() handles empty env variable', function()
clear({env={EMPTY_VAR=""}})
eq("", environ()['EMPTY_VAR'])
eq(nil, environ()['DOES_NOT_EXIST'])
end)
it('exists() handles empty env variable', function()
clear({env={EMPTY_VAR=""}})
eq(1, exists('$EMPTY_VAR'))
eq(0, exists('$DOES_NOT_EXIST'))
end)
end)