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| -- TEMPORARY diagnostic.
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| -- Renders heroes through the LIVE Module:InfoboxHero twice each and compares the
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| -- two outputs, to establish whether rendering is deterministic at all.
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| -- {{#invoke:Sandbox/Vergir|selfdiff}}
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| local p = {} | | local p = {} |
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| local infobox = require('Module:InfoboxHero')
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|
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| local SAMPLE_HEROES = {
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| 'hero_atlas',
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| 'hero_viscous',
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| 'hero_haze',
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| 'hero_werewolf',
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| 'hero_targetdummy',
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| }
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|
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| -- Byte offset of the first difference, or nil when the strings are equal.
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| local function first_diff(a, b)
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| local limit = math.min(#a, #b)
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| for i = 1, limit do
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| if a:sub(i, i) ~= b:sub(i, i) then return i end
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| end
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| if #a ~= #b then return limit + 1 end
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| return nil
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| end
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|
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| function p.selfdiff(frame)
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| local keys = {}
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| if frame.args[1] and frame.args[1] ~= '' then
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| for key in string.gmatch(frame.args[1], '[^,%s]+') do
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| table.insert(keys, key)
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| end
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| else
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| keys = SAMPLE_HEROES
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| end
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|
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| local out = {}
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| local mismatches = 0
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|
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| for _, hero_key in ipairs(keys) do
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| local child = frame:newChild{ args = { key = hero_key } }
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| local a = tostring(infobox.render(child))
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| local b = tostring(infobox.render(child))
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| local at = first_diff(a, b)
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| if at ~= nil then
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| mismatches = mismatches + 1
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| local from = math.max(1, at - 50)
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| local to = at + 50
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| table.insert(out, '* <code>' .. hero_key .. '</code> differs at byte ' .. at ..
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| ' (len ' .. #a .. ' vs ' .. #b .. ')')
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| table.insert(out, '** A: <code>' .. mw.text.nowiki(a:sub(from, to)) .. '</code>')
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| table.insert(out, '** B: <code>' .. mw.text.nowiki(b:sub(from, to)) .. '</code>')
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| end
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| end
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|
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| return 'Same module rendered twice per hero, heroes: ' .. #keys ..
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| '\n\nNon-deterministic: ' .. mismatches .. '\n' .. table.concat(out, '\n')
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| end
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| return p | | return p |
