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assert.is_nil(package.loaded.pl)
assert.is_nil(package.loaded['pl.file'])
describe('Tests insulation', function()
insulate('environment inside insulate', function()
pl = require 'pl'
_G.insuated_global = true
it('updates insuated global table _G', function()
assert.is_not_nil(insuated_global)
assert.is_not_nil(_G.insuated_global)
end)
it('updates package.loaded', function()
assert.is_not_nil(pl)
assert.is_not_nil(Date)
assert.is_not_nil(package.loaded.pl)
assert.is_not_nil(package.loaded['pl.Date'])
end)
end)
describe('environment after insulate', function()
it('restores insuated global table _G', function()
assert.is_nil(insuated_global)
assert.is_nil(_G.insuated_global)
end)
it('restores package.loaded', function()
assert.is_nil(pl)
assert.is_nil(Date)
assert.is_nil(package.loaded.pl)
assert.is_nil(package.loaded['pl.Date'])
end)
end)
end)
insulate('Tests insulation with values set to nil', function()
-- The tests in this block need to be run in order, as we're testing state recovery between tests.
_G.some_global = true
describe('environment before insulate', function()
it('has global', function()
assert.is_not_nil(some_global)
assert.is_not_nil(_G.some_global)
end)
end)
insulate('environment inside insulate', function()
it('sets global to nil', function()
_G.some_global = nil
assert.is_nil(some_global)
assert.is_nil(_G.some_global)
end)
end)
describe('environment after insulate', function()
it('has restored the global', function()
assert.is_not_nil(some_global)
assert.is_not_nil(_G.some_global)
end)
end)
end)
insulate('', function()
describe('Tests expose', function()
insulate('inside insulate block', function()
expose('tests environment inside expose block', function()
pl = require 'pl'
exposed_global = true
_G.global = true
it('creates exposed global', function()
assert.is_not_nil(exposed_global)
assert.is_nil(_G.exposed_global)
end)
it('updates global table _G', function()
assert.is_not_nil(global)
assert.is_not_nil(_G.global)
end)
it('updates package.loaded', function()
assert.is_not_nil(pl)
assert.is_not_nil(Date)
assert.is_not_nil(package.loaded.pl)
assert.is_not_nil(package.loaded['pl.Date'])
end)
end)
end)
describe('neutralizes insulation', function()
it('creates exposed global in outer block', function()
assert.is_not_nil(exposed_global)
assert.is_nil(_G.exposed_global)
end)
it('does not restore global table _G', function()
assert.is_not_nil(global)
assert.is_not_nil(_G.global)
end)
it('does not restore package.loaded', function()
assert.is_not_nil(pl)
assert.is_not_nil(Date)
assert.is_not_nil(package.loaded.pl)
assert.is_not_nil(package.loaded['pl.Date'])
end)
end)
end)
it('Tests exposed globals does not exist in outer most block', function()
assert.is_nil(pl)
assert.is_nil(exposed_global)
assert.is_nil(_G.exposed_global)
end)
it('Tests global table _G persists without insulate', function()
assert.is_not_nil(global)
assert.is_not_nil(_G.global)
end)
it('Tests package.loaded persists without insulate', function()
assert.is_not_nil(Date)
assert.is_not_nil(package.loaded.pl)
assert.is_not_nil(package.loaded['pl.Date'])
end)
end)
describe('Tests after insulating an expose block', function()
it('restores global table _G', function()
assert.is_nil(global)
assert.is_nil(_G.global)
end)
it('restores package.loaded', function()
assert.is_nil(pl)
assert.is_nil(Date)
assert.is_nil(package.loaded.pl)
assert.is_nil(package.loaded['pl.Date'])
end)
end)
describe('Tests insulate/expose', function()
local path = require 'pl.path'
local utils = require 'pl.utils'
local busted_cmd = path.is_windows and 'lua bin/busted' or 'bin/busted'
local executeBusted = function(args)
local success, exitcode, out, err = utils.executeex(busted_cmd .. ' ' .. args)
if exitcode > 255 then
exitcode = math.floor(exitcode/256), exitcode - math.floor(exitcode/256)*256
end
return not not success, exitcode, out, err
end
describe('file insulation', function()
it('works between files', function()
local success, exitcode = executeBusted('spec/insulate_file1.lua spec/insulate_file2.lua')
assert.is_true(success)
assert.is_equal(0, exitcode)
end)
it('works between files independent of order', function()
local success, exitcode = executeBusted('spec/insulate_file2.lua spec/insulate_file1.lua')
assert.is_true(success)
assert.is_equal(0, exitcode)
end)
end)
describe('expose from file context', function()
it('works between files', function()
local success, exitcode = executeBusted('spec/expose_file1.lua spec/expose_file2.lua')
assert.is_true(success)
assert.is_equal(0, exitcode)
end)
end)
end)
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