sandbox.lua/spec/sandbox_spec.lua
2013-09-02 22:11:33 +02:00

39 lines
1.1 KiB
Lua

local sandbox = require 'sandbox'
describe('sandbox', function()
it('can run harmless functions', function()
local r = sandbox(function() return 'hello' end)
assert.equal(r, 'hello')
end)
it('can run harmless strings', function()
local r = sandbox("return 'hello'")
assert.equal(r, 'hello')
end)
it('has access to safe methods', function()
assert.equal(10, sandbox("return tonumber('10')"))
assert.equal('HELLO', sandbox("return string.upper('hello')"))
assert.equal(1, sandbox("local a = {3,2,1}; table.sort(a); return a[1]"))
assert.equal(10, sandbox("return math.max(1,10)"))
end)
it('does not allow access to not-safe stuff', function()
assert.has_error(function() sandbox('return setmetatable({}, {})') end)
assert.has_error(function() sandbox('return string.rep("hello", 5)') end)
end)
it('does not allow pesky string:rep', function()
assert.has_error(function() sandbox('return ("hello"):rep(5)') end)
end)
it('restores the value of string.rep', function()
sandbox("")
assert.equal('hellohello', string.rep('hello', 2))
end)
end)