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local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local eq = helpers.eq
local environ = helpers.fn.environ
local exists = helpers.fn.exists
local system = helpers.fn.system
local nvim_prog = helpers.nvim_prog
local command = helpers.command
local eval = helpers.eval
local setenv = helpers.fn.setenv
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)
describe('empty $HOME', function()
local original_home = os.getenv('HOME')
before_each(clear)
-- recover $HOME after each test
after_each(function()
if original_home ~= nil then
setenv('HOME', original_home)
end
os.remove('test_empty_home')
os.remove('./~')
end)
local function tilde_in_cwd()
-- get files in cwd
command("let test_empty_home_cwd_files = split(globpath('.', '*'), '\n')")
-- get the index of the file named '~'
command('let test_empty_home_tilde_index = index(test_empty_home_cwd_files, "./~")')
return eval('test_empty_home_tilde_index') ~= -1
end
local function write_and_test_tilde()
system({
nvim_prog,
'-u',
'NONE',
'-i',
'NONE',
'--headless',
'-c',
'write test_empty_home',
'+q',
})
eq(false, tilde_in_cwd())
end
it("'~' folder not created in cwd if $HOME and related env not defined", function()
command('unlet $HOME')
write_and_test_tilde()
command("let $HOMEDRIVE='C:'")
command("let $USERPROFILE='C:\\'")
write_and_test_tilde()
command('unlet $HOMEDRIVE')
write_and_test_tilde()
command('unlet $USERPROFILE')
write_and_test_tilde()
command("let $HOME='%USERPROFILE%'")
command("let $USERPROFILE='C:\\'")
write_and_test_tilde()
end)
it("'~' folder not created in cwd if writing a file with invalid $HOME", function()
setenv('HOME', '/path/does/not/exist')
write_and_test_tilde()
end)
it("'~' folder not created in cwd if writing a file with $HOME=''", function()
command("let $HOME=''")
write_and_test_tilde()
end)
end)
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