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local totem = require 'totem'
require 'nngraph'
local tests = totem.TestSuite()
local tester = totem.Tester()
function tests.whatIsThisInTheInput()
tester:assertErrorPattern(
function()
local inp1, inp2 = nn.Identity()(), nn.Identity() -- missing 2nd parens
local lin = nn.Linear(20, 10)(nn.CMulTable(){inp1, inp2})
end,
'inputs%[2%] is an nn%.Module, specifically a nn%.Identity, but the ' ..
'only valid thing to pass is an instance of nngraph%.Node')
tester:assertErrorPattern(
function()
-- pass-through module, again with same mistake
local graphNode, nnModule = nn.Identity()(), nn.Identity()
return nn.gModule({graphNode, nnModule}, {graphNode})
end,
'inputs%[2%] is an nn%.Module, specifically a nn%.Identity, but the ' ..
'only valid thing to pass is an instance of nngraph%.Node')
tester:assertErrorPattern(
function()
local input = nn.Identity()()
local out1 = nn.Linear(20, 10)(input)
local out2 = nn.Sigmoid()(input)
local unconnectedOut = nn.Linear(2, 3)
return nn.gModule({input}, {out1, out2, unconnectedOut})
end,
'outputs%[3%] is an nn%.Module, specifically a nn%.Linear, but the ' ..
'only valid thing to pass is an instance of nngraph%.Node')
-- Check for detecting a nil in the middle of a table.
tester:assertErrorPattern(
function()
local input = nn.Identity()()
local out1 = nn.Tanh()(input)
local out2 = nn.Sigmoid()(input)
-- nil here is simulating a mis-spelt variable name
return nn.gModule({input}, {out1, nil, out2})
end,
'outputs%[2%] is nil %(typo / bad index%?%)')
tester:assertErrorPattern(
function()
-- Typo variable name returns nil, meaning an empty table
local input = nn.Identity()({aNonExistentVariable})
end,
'cannot pass an empty table of inputs%. To indicate no incoming ' ..
'connections, leave the second set of parens blank%.')
end
function tests.splitUnused()
-- Need to do debuginfo on the same lines as the other code here to match
-- what debug.getinfo inside those calls will return
local dInfoDeclare, dInfoSplit
local input = nn.Identity()(); dInfoDeclare = debug.getinfo(1, 'Sl')
local output, unused = input:split(2); dInfoSplit = debug.getinfo(1, 'Sl')
local function willCrash()
return nn.gModule({input}, {output})
end
-- Work out what strings will be in the error message
local declareLoc = string.format('%%[%s%%]:%d_',
dInfoDeclare.short_src,
dInfoDeclare.currentline)
local splitLoc = string.format('%%[%s%%]:%d',
dInfoSplit.short_src,
dInfoSplit.currentline)
tester:assertErrorPattern(
willCrash,
'1 of split%(2%) outputs from the node declared at ' ..
declareLoc .. ' split at ' .. splitLoc .. '%-mnode are unused')
end
tester:add(tests):run()
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