mirror of
https://github.com/kikito/lua-sandbox.git
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48 lines
1.4 KiB
Lua
48 lines
1.4 KiB
Lua
local sandbox = require 'sandbox'
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describe('sandbox', function()
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it('can run harmless functions', function()
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local r = sandbox(function() return 'hello' end)
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assert.equal(r, 'hello')
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end)
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it('can run harmless strings', function()
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local r = sandbox("return 'hello'")
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assert.equal(r, 'hello')
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end)
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it('has access to safe methods', function()
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assert.equal(10, sandbox("return tonumber('10')"))
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assert.equal('HELLO', sandbox("return string.upper('hello')"))
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assert.equal(1, sandbox("local a = {3,2,1}; table.sort(a); return a[1]"))
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assert.equal(10, sandbox("return math.max(1,10)"))
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end)
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it('does not allow access to not-safe stuff', function()
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assert.has_error(function() sandbox('return setmetatable({}, {})') end)
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assert.has_error(function() sandbox('return string.rep("hello", 5)') end)
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end)
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it('does not allow pesky string:rep', function()
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assert.has_error(function() sandbox('return ("hello"):rep(5)') end)
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end)
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it('restores the value of string.rep', function()
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sandbox("")
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assert.equal('hellohello', string.rep('hello', 2))
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end)
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it('restores string.rep even if there is an error', function()
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assert.has_error(function() sandbox("error('foo')") end)
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assert.equal('hellohello', string.rep('hello', 2))
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end)
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it('#focus throws an error with infinite loops', function()
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assert.has_error(function() sandbox("while true do end") end)
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end)
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end)
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