alunizaje/android/tools/zbstudio.app/Contents/ZeroBraneStudio/lualibs/testwell.lua

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2016-11-03 00:05:36 +01:00
--
-- Copyright (C) 2012 Paul Kulchenko
-- A simple testing library
-- Based on lua-TestMore : <http://fperrad.github.com/lua-TestMore/>
-- Copyright (c) 2009-2011 Francois Perrad
-- This library is licensed under the terms of the MIT/X11 license,
-- like Lua itself.
--
local pairs = pairs
local tostring = tostring
local type = type
local _G = _G or _ENV
-----------------------------------------------------------
local tb = {
curr_test = 0,
good_test = 0,
skip_test = 0,
}
function tb:print(...)
print(...)
end
function tb:note(...)
self:print(...)
end
function tb:diag(...)
local arg = {...}
for k, v in pairs(arg) do
arg[k] = tostring(v)
end
local msg = table.concat(arg)
msg = msg:gsub("\n", "\n# ")
msg = msg:gsub("\n# \n", "\n#\n")
msg = msg:gsub("\n# $", '')
self:print("# " .. msg)
end
function tb:ok(test, name, more)
self.curr_test = self.curr_test + 1
self.good_test = self.good_test + (test and 1 or 0)
self.skip_test = self.skip_test + (test == nil and 1 or 0)
name = tostring(name or '')
local out = ''
if not test then
out = "not "
end
out = out .. "ok " .. self.curr_test
if name ~= '' then
out = out .. " - " .. name
end
self:print(out)
if test == false then
self:diag(" Failed test " .. (name and ("'" .. name .. "'") or ''))
if debug then
local info = debug.getinfo(3)
local file = info.short_src
local line = info.currentline
self:diag(" in " .. file .. " at line " .. line .. ".")
end
self:diag(more)
end
end
function tb:done_testing(reset)
local c, g, s = self.curr_test, self.good_test, self.skip_test
if reset then
self.curr_test = 0
self.good_test = 0
self.skip_test = 0
end
return c, g, s
end
-----------------------------------------------------------
local serpent = (function() ---- include Serpent module for serialization
local n, v = "serpent", 0.15 -- (C) 2012 Paul Kulchenko; MIT License
local c, d = "Paul Kulchenko", "Serializer and pretty printer of Lua data types"
local snum = {[tostring(1/0)]='1/0 --[[math.huge]]',[tostring(-1/0)]='-1/0 --[[-math.huge]]',[tostring(0/0)]='0/0'}
local badtype = {thread = true, userdata = true}
local keyword, globals, G = {}, {}, (_G or _ENV)
for _,k in ipairs({'and', 'break', 'do', 'else', 'elseif', 'end', 'false',
'for', 'function', 'goto', 'if', 'in', 'local', 'nil', 'not', 'or', 'repeat',
'return', 'then', 'true', 'until', 'while'}) do keyword[k] = true end
for k,v in pairs(G) do globals[v] = k end -- build func to name mapping
for _,g in ipairs({'coroutine', 'debug', 'io', 'math', 'string', 'table', 'os'}) do
for k,v in pairs(G[g]) do globals[v] = g..'.'..k end end
local function s(t, opts)
local name, indent, fatal = opts.name, opts.indent, opts.fatal
local sparse, custom, huge = opts.sparse, opts.custom, not opts.nohuge
local space, maxl = (opts.compact and '' or ' '), (opts.maxlevel or math.huge)
local comm = opts.comment and (tonumber(opts.comment) or math.huge)
local seen, sref, syms, symn = {}, {}, {}, 0
local function gensym(val) return tostring(val):gsub("[^%w]",""):gsub("(%d%w+)",
function(s) if not syms[s] then symn = symn+1; syms[s] = symn end return syms[s] end) end
local function safestr(s) return type(s) == "number" and (huge and snum[tostring(s)] or s)
or type(s) ~= "string" and tostring(s) -- escape NEWLINE/010 and EOF/026
or ("%q"):format(s):gsub("\010","n"):gsub("\026","\\026") end
local function comment(s,l) return comm and (l or 0) < comm and ' --[['..tostring(s)..']]' or '' end
local function globerr(s,l) return globals[s] and globals[s]..comment(s,l) or not fatal
and safestr(tostring(s))..comment('err',l) or error("Can't serialize "..tostring(s)) end
local function safename(path, name) -- generates foo.bar, foo[3], or foo['b a r']
local n = name == nil and '' or name
local plain = type(n) == "string" and n:match("^[%l%u_][%w_]*$") and not keyword[n]
local safe = plain and n or '['..safestr(n)..']'
return (path or '')..(plain and path and '.' or '')..safe, safe end
local alphanumsort = type(opts.sortkeys) == 'function' and opts.sortkeys or function(o, n)
local maxn, to = tonumber(n) or 12, {number = 'a', string = 'b'}
local function padnum(d) return ("%0"..maxn.."d"):format(d) end
table.sort(o, function(a,b)
return (o[a] and 0 or to[type(a)] or 'z')..(tostring(a):gsub("%d+",padnum))
< (o[b] and 0 or to[type(b)] or 'z')..(tostring(b):gsub("%d+",padnum)) end) end
local function val2str(t, name, indent, path, plainindex, level)
local ttype, level = type(t), (level or 0)
local spath, sname = safename(path, name)
local tag = plainindex and
((type(name) == "number") and '' or name..space..'='..space) or
(name ~= nil and sname..space..'='..space or '')
if seen[t] then
table.insert(sref, spath..space..'='..space..seen[t])
return tag..'nil'..comment('ref', level)
elseif badtype[ttype] then return tag..globerr(t, level)
elseif ttype == 'function' then
seen[t] = spath
local ok, res = pcall(string.dump, t)
local func = ok and ((opts.nocode and "function() end" or
"loadstring("..safestr(res)..",'@serialized')")..comment(t, level))
return tag..(func or globerr(t, level))
elseif ttype == "table" then
if level >= maxl then return tag..'{}'..comment('max', level) end
seen[t] = spath
if next(t) == nil then return tag..'{}'..comment(t, level) end -- table empty
local maxn, o, out = #t, {}, {}
for key = 1, maxn do table.insert(o, key) end
for key in pairs(t) do if not o[key] then table.insert(o, key) end end
if opts.sortkeys then alphanumsort(o, opts.sortkeys) end
for n, key in ipairs(o) do
local value, ktype, plainindex = t[key], type(key), n <= maxn and not sparse
if opts.ignore and opts.ignore[value] -- skip ignored values; do nothing
or sparse and value == nil then -- skipping nils; do nothing
elseif ktype == 'table' or ktype == 'function' then
if not seen[key] and not globals[key] then
table.insert(sref, 'local '..val2str(key,gensym(key),indent)) end
table.insert(sref, seen[t]..'['..(seen[key] or globals[key] or gensym(key))
..']'..space..'='..space..(seen[value] or val2str(value,nil,indent)))
else
if badtype[ktype] then plainindex, key = true, '['..globerr(key, level+1)..']' end
table.insert(out,val2str(value,key,indent,spath,plainindex,level+1))
end
end
local prefix = string.rep(indent or '', level)
local head = indent and '{\n'..prefix..indent or '{'
local body = table.concat(out, ','..(indent and '\n'..prefix..indent or space))
local tail = indent and "\n"..prefix..'}' or '}'
return (custom and custom(tag,head,body,tail) or tag..head..body..tail)..comment(t, level)
else return tag..safestr(t) end -- handle all other types
end
local sepr = indent and "\n" or ";"..space
local body = val2str(t, name, indent) -- this call also populates sref
local tail = #sref>0 and table.concat(sref, sepr)..sepr or ''
return not name and body or "do local "..body..sepr..tail.."return "..name..sepr.."end"
end
local function merge(a, b) if b then for k,v in pairs(b) do a[k] = v end end; return a; end
return { _NAME = n, _COPYRIGHT = c, _DESCRIPTION = d, _VERSION = v, serialize = s,
dump = function(a, opts) return s(a, merge({name = '_', compact = true, sparse = true}, opts)) end,
line = function(a, opts) return s(a, merge({sortkeys = true, comment = true}, opts)) end,
block = function(a, opts) return s(a, merge({indent = ' ', sortkeys = true, comment = true}, opts)) end }
end)() ---- end of Serpent module
-----------------------------------------------------------
local m = {}
function m.ok(test, name)
tb:ok(test, name)
end
local parms = {comment = false}
function m.is(got, expected, name)
local tgot, texp = type(got), type(expected)
local vgot, vexp = serpent.line(got, parms), serpent.line(expected, parms)
local pass = vgot == vexp
if got == nil then pass = nil end
tb:ok(pass, name, not pass and
" got: " .. vgot .. " (" .. tgot .. ")" ..
"\n expected: " .. vexp .. " (" .. texp .. ")")
end
function m.isnt(got, expected, name)
local tgot, texp = type(got), type(expected)
local vgot, vexp = serpent.line(got, parms), serpent.line(expected, parms)
local pass = vgot ~= vexp
if got == nil then pass = nil end
tb:ok(pass, name, not pass and
" got: " .. vgot .. " (" .. tgot .. ")" ..
"\n expected: anything else")
end
function m.like(got, pattern, name)
if type(pattern) ~= 'string' then
return tb:ok(false, name, "pattern isn't a string : " .. tostring(pattern))
end
local pass = tostring(got):match(pattern)
if got == nil then pass = nil end
tb:ok(pass, name, not pass and
" '" .. tostring(got) .. "'" ..
"\n doesn't match '" .. pattern .. "'")
end
function m.unlike(got, pattern, name)
if type(pattern) ~= 'string' then
return tb:ok(false, name, "pattern isn't a string : " .. tostring(pattern))
end
local pass = not tostring(got):match(pattern)
if got == nil then pass = nil end
tb:ok(pass, name, not pass and
" '" .. tostring(got) .. "'" ..
"\n matches '" .. pattern .. "'")
end
local cmp = {
['<'] = function (a, b) return a < b end,
['<='] = function (a, b) return a <= b end,
['>'] = function (a, b) return a > b end,
['>='] = function (a, b) return a >= b end,
['=='] = function (a, b) return a == b end,
['~='] = function (a, b) return a ~= b end,
}
function m.cmp_ok(this, op, that, name)
local f = cmp[op]
if not f then
return tb:ok(false, name, "unknown operator : " .. tostring(op))
end
local pass = f(this, that)
if this == nil then pass = nil end
tb:ok(pass, name, not pass and
" " .. tostring(this) ..
"\n " .. op ..
"\n " .. tostring(that))
end
function m.type_ok(val, t, name)
if type(t) ~= 'string' then
return tb:ok(false, name, "type isn't a string : " .. tostring(t))
end
if type(val) == t then
tb:ok(true, name)
else
tb:ok(false, name,
" " .. tostring(val) .. " isn't a '" .. t .."', it's a '" .. type(val) .. "'")
end
end
function m.diag(...)
tb:diag(...)
end
function m.report()
local total, good, skipped = tb:done_testing(true)
if total == 0 then return end
local failed = total - good - skipped
local sum = ("(%d/%d/%d)."):format(good, skipped, total)
local num, msg = 0, ""
if good > 0 then
num, msg = good, msg .. "passed " .. good
end
if failed > 0 then
num, msg = failed, msg .. (#msg > 0 and (skipped > 0 and ", " or " and ") or "")
.. "failed " .. failed
end
if skipped > 0 then
num, msg = skipped, msg .. (#msg > 0 and ((good > 0 and failed > 0 and ',' or '') .." and ") or "")
.. "skipped " .. skipped
end
msg = ("Looks like you %s test%s of %d %s"):format(msg, (num > 1 and 's' or ''), total, sum)
if skipped == total then msg = "Looks like you skipped all tests " .. sum end
if good == total then msg = "All tests passed " .. sum end
tb:note(("1..%d # %s"):format(total, msg))
end
function m.ismain()
for l = 3, 64 do -- only check up to 64 level; no more needed
local info = debug.getinfo(l)
if not info then return true end
if info.func == require then return false end
end
return true
end
-- this is needed to call report() when the test object is destroyed
if _VERSION >= "Lua 5.2" then
setmetatable(m, {__gc = m.report})
else
-- keep sentinel alive until 'm' is garbage collected
m.sentinel = newproxy(true)
getmetatable(m.sentinel).__gc = m.report
end
for k, v in pairs(m) do -- injection
_G[k] = v
end
return m