mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Scribunto
synced 2024-12-19 11:21:48 +00:00
397 lines
11 KiB
Lua
397 lines
11 KiB
Lua
local testframework = require 'Module:TestFramework'
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local test = {}
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function test.clone1()
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local x = 1
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local y = mw.clone( x )
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return ( x == y )
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end
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function test.clone2()
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local x = { 'a' }
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local y = mw.clone( x )
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assert( x ~= y )
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return testframework.deepEquals( x, y )
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end
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function test.clone2b()
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local x = { 'a' }
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local y = mw.clone( x )
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assert( x ~= y )
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y[2] = 'b'
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return testframework.deepEquals( x, y )
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end
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function test.clone3()
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local mt = { __add = function() end }
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local x = {}
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setmetatable( x, mt )
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local y = mw.clone( x )
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assert( getmetatable( x ) ~= getmetatable( y ) )
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return testframework.deepEquals( getmetatable( x ), getmetatable( y ) )
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end
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function test.clone4()
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local x = {}
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x.x = x
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local y = mw.clone( x )
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assert( x ~= y )
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return y == y.x
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end
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function test.setfenv1()
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setfenv( 0, {} )
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end
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function test.setfenv2()
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setfenv( 1000, {} )
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end
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function test.setfenv3()
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local function jailbreak()
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setfenv( 2, {} )
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end
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local new_setfenv, new_getfenv = mw.makeProtectedEnvFuncsForTest( { [_G] = true }, {} )
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setfenv( jailbreak, {setfenv = new_setfenv} )
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jailbreak()
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end
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function test.setfenv4()
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-- Set an unprotected environment at a higher stack level than a protected
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-- environment. It's assumed that any higher-level environment will protect
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-- itself with its own setfenv wrapper, so this succeeds.
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local function level3()
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local protected = {setfenv = setfenv, getfenv = getfenv, mw = mw}
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local function level2()
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local function level1()
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setfenv( 3, {} )
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end
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local env = {}
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env.setfenv, env.getfenv = mw.makeProtectedEnvFuncsForTest(
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{[protected] = true}, {} )
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setfenv( level1, env )()
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end
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setfenv( level2, protected )()
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end
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local unprotected = {setfenv = setfenv, getfenv = getfenv, mw = mw}
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setfenv( level3, unprotected )()
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assert( getfenv( level3 ) ~= unprotected )
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return 'ok'
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end
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function test.setfenv5()
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local function allowed()
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(function() setfenv( 2, {} ) end )()
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end
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local new_setfenv, new_getfenv = mw.makeProtectedEnvFuncsForTest( { [_G] = true }, {} )
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setfenv( allowed, {setfenv = new_setfenv} )()
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return 'ok'
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end
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function test.setfenv6()
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local function target() end
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local function jailbreak()
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setfenv( target, {} )
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end
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local new_setfenv, new_getfenv = mw.makeProtectedEnvFuncsForTest( {}, { [target] = true } )
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setfenv( jailbreak, {setfenv = new_setfenv} )()
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end
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function test.setfenv7()
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setfenv( {}, {} )
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end
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function test.getfenv1()
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assert( getfenv( 1 ) == _G )
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return 'ok'
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end
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function test.getfenv2()
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getfenv( 0 )
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end
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function test.getfenv3()
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local function foo()
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return getfenv( 2 )
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end
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local function bar()
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return foo()
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end
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-- The "at level #" bit varies between environments, so
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-- catch the error and strip that part out
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local ok, err = pcall( bar )
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if not ok then
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err = string.gsub( err, '^%S+:%d+: ', '' )
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err = string.gsub( err, ' at level %d$', '' )
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error( err )
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end
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end
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function test.executeExpensiveCalls( n )
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for i = 1, n do
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mw.incrementExpensiveFunctionCount()
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end
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return 'Did not error out'
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end
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function test.stringMetatableHidden1()
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return getmetatable( "" )
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end
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function test.stringMetatableHidden2()
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string.foo = 42
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return ("").foo
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end
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local pairs_test_table = {}
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setmetatable( pairs_test_table, {
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__pairs = function () return 1, 2, 3, 'ignore' end,
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__ipairs = function () return 4, 5, 6, 'ignore' end,
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} )
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function test.noLeaksViaPackageLoaded()
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assert( package.loaded.debug == debug, "package.loaded.debug ~= debug" )
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assert( package.loaded.string == string, "package.loaded.string ~= string" )
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assert( package.loaded.math == math, "package.loaded.math ~= math" )
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assert( package.loaded.io == io, "package.loaded.io ~= io" )
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assert( package.loaded.os == os, "package.loaded.os ~= os" )
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assert( package.loaded.table == table, "package.loaded.table ~= table" )
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assert( package.loaded._G == _G , "package.loaded._G ~= _G " )
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assert( package.loaded.coroutine == coroutine, "package.loaded.coroutine ~= coroutine" )
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assert( package.loaded.package == package, "package.loaded.package ~= package" )
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return 'ok'
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end
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test.loadData = {}
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function test.loadData.get( ... )
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local d = mw.loadData( 'Module:CommonTests-data' )
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for i = 1, select( '#', ... ) do
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local k = select( i, ... )
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d = d[k]
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end
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return d
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end
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function test.loadData.set( v, ... )
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local d = mw.loadData( 'Module:CommonTests-data' )
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local n = select( '#', ... )
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for i = 1, n - 1 do
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local k = select( i, ... )
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d = d[k]
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end
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d[select( n, ... )] = v
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return d[select( n, ... )]
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end
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function test.loadData.recursion()
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local d = mw.loadData( 'Module:CommonTests-data' )
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return d == d.t, d.t == d.t.t, d.table2 == d.table
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end
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function test.loadData.iterate( func )
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local d = mw.loadData( 'Module:CommonTests-data' )
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local ret = {}
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for k, v in func( d.table ) do
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ret[k] = v
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end
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return ret
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end
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function test.loadData.setmetatable()
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local d = mw.loadData( 'Module:CommonTests-data' )
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setmetatable( d, {} )
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return 'setmetatable succeeded'
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end
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function test.loadData.rawset()
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-- We can't easily prevent rawset (and it's not worth trying to redefine
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-- it), but we can make sure it doesn't affect other instances of the data
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local d1 = mw.loadData( 'Module:CommonTests-data' )
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local d2 = mw.loadData( 'Module:CommonTests-data' )
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rawset( d1, 'str', 'ugh' )
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local d3 = mw.loadData( 'Module:CommonTests-data' )
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return d1.str, d2.str, d3.str
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end
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return testframework.getTestProvider( {
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{ name = 'clone', func = test.clone1,
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expect = { true },
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},
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{ name = 'clone table', func = test.clone2,
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expect = { true },
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},
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{ name = 'clone table then modify', func = test.clone2b,
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expect = { false, { 2 }, nil, 'b' },
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},
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{ name = 'clone table with metatable', func = test.clone3,
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expect = { true },
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},
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{ name = 'clone recursive table', func = test.clone4,
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expect = { true },
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},
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{ name = 'setfenv global', func = test.setfenv1,
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expect = "'setfenv' cannot set the global environment, it is protected",
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},
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{ name = 'setfenv invalid level', func = test.setfenv2,
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expect = "'setfenv' cannot set an environment at a level greater than 10",
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},
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{ name = 'setfenv invalid environment', func = test.setfenv3,
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expect = "'setfenv' cannot set the requested environment, it is protected",
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},
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{ name = 'setfenv on unprotected past protected', func = test.setfenv4,
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expect = { 'ok' },
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},
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{ name = 'setfenv from inside protected', func = test.setfenv5,
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expect = { 'ok' },
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},
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{ name = 'setfenv protected function', func = test.setfenv6,
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expect = "'setfenv' cannot be called on a protected function",
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},
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{ name = 'setfenv on a non-function', func = test.setfenv7,
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expect = "'setfenv' can only be called with a function or integer as the first argument",
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},
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{ name = 'getfenv(1)', func = test.getfenv1,
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expect = { 'ok' },
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},
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{ name = 'getfenv(0)', func = test.getfenv2,
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expect = "'getfenv' cannot get the global environment",
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},
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{ name = 'getfenv with tail call', func = test.getfenv3,
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expect = "no function environment for tail call",
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},
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{ name = 'Not quite too many expensive function calls',
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func = test.executeExpensiveCalls, args = { 10 },
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expect = { 'Did not error out' }
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},
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{ name = 'Too many expensive function calls',
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func = test.executeExpensiveCalls, args = { 11 },
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expect = 'too many expensive function calls'
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},
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{ name = 'string metatable is hidden', func = test.stringMetatableHidden1,
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expect = { nil }
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},
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{ name = 'string is not string metatable', func = test.stringMetatableHidden2,
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expect = { nil }
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},
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{ name = 'pairs with __pairs',
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func = pairs, args = { pairs_test_table },
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expect = { 1, 2, 3 },
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},
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{ name = 'ipairs with __ipairs',
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func = ipairs, args = { pairs_test_table },
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expect = { 4, 5, 6 },
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},
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{ name = 'package.loaded does not leak references to out-of-environment objects',
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func = test.noLeaksViaPackageLoaded,
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expect = { 'ok' },
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},
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{ name = 'mw.loadData, returning non-table',
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func = mw.loadData, args = { 'Module:CommonTests-data-fail1' },
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expect = "Module:CommonTests-data-fail1 returned string, table expected",
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},
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{ name = 'mw.loadData, containing function',
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func = mw.loadData, args = { 'Module:CommonTests-data-fail2' },
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expect = "data for mw.loadData contains unsupported data type 'function'",
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},
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{ name = 'mw.loadData, containing table-with-metatable',
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func = mw.loadData, args = { 'Module:CommonTests-data-fail3' },
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expect = "data for mw.loadData contains a table with a metatable",
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},
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{ name = 'mw.loadData, containing function as key',
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func = mw.loadData, args = { 'Module:CommonTests-data-fail4' },
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expect = "data for mw.loadData contains unsupported data type 'function'",
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},
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{ name = 'mw.loadData, containing table-with-metatable as key',
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func = mw.loadData, args = { 'Module:CommonTests-data-fail5' },
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expect = "data for mw.loadData contains a table as a key",
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},
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{ name = 'mw.loadData, getter (true)',
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func = test.loadData.get, args = { 'true' },
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expect = { true }
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},
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{ name = 'mw.loadData, getter (false)',
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func = test.loadData.get, args = { 'false' },
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expect = { false }
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},
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{ name = 'mw.loadData, getter (NaN)',
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func = test.loadData.get, args = { 'NaN' },
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expect = { 0/0 }
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},
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{ name = 'mw.loadData, getter (inf)',
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func = test.loadData.get, args = { 'inf' },
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expect = { 1/0 }
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},
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{ name = 'mw.loadData, getter (num)',
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func = test.loadData.get, args = { 'num' },
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expect = { 12.5 }
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},
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{ name = 'mw.loadData, getter (str)',
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func = test.loadData.get, args = { 'str' },
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expect = { 'foo bar' }
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},
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{ name = 'mw.loadData, getter (table.2)',
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func = test.loadData.get, args = { 'table', 2 },
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expect = { 'two' }
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},
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{ name = 'mw.loadData, getter (t.t.t.t.str)',
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func = test.loadData.get, args = { 't', 't', 't', 't', 'str' },
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expect = { 'foo bar' }
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},
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{ name = 'mw.loadData, getter recursion',
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func = test.loadData.recursion,
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expect = { true, true, true },
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},
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{ name = 'mw.loadData, pairs',
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func = test.loadData.iterate, args = { pairs },
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expect = { { 'one', 'two', 'three', foo = 'bar' } },
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},
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{ name = 'mw.loadData, ipairs',
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func = test.loadData.iterate, args = { ipairs },
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expect = { { 'one', 'two', 'three' } },
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},
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{ name = 'mw.loadData, setmetatable',
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func = test.loadData.setmetatable,
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expect = "cannot change a protected metatable"
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},
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{ name = 'mw.loadData, setter (1)',
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func = test.loadData.set, args = { 'ugh', 'str' },
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expect = "table from mw.loadData is read-only",
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},
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{ name = 'mw.loadData, setter (2)',
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func = test.loadData.set, args = { 'ugh', 'table', 2 },
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expect = "table from mw.loadData is read-only",
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},
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{ name = 'mw.loadData, setter (3)',
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func = test.loadData.set, args = { 'ugh', 't' },
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expect = "table from mw.loadData is read-only",
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},
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{ name = 'mw.loadData, rawset',
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func = test.loadData.rawset,
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expect = { 'ugh', 'foo bar', 'foo bar' },
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},
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{ name = 'mw.addWarning',
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func = mw.addWarning, args = { 'warn' },
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expect = {},
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},
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{ name = 'mw.addWarning, bad type',
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func = mw.addWarning, args = { true },
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expect = "bad argument #1 to 'addWarning' (string expected)",
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},
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} )
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