imported>SUM1: Further tweak

2020-03-09T03:27:02Z

Further tweak

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--[[
A module for generating test case templates.

This module incorporates code from the English Wikipedia's "Testcase table"
module,[1] written by Frietjes [2] with contributions by Mr. Stradivarius [3]
and Jackmcbarn,[4] and the English Wikipedia's "Testcase rows" module,[5]
written by Mr. Stradivarius.

The "Testcase table" and "Testcase rows" modules are released under the
CC BY-SA 3.0 License [6] and the GFDL.[7]

License: CC BY-SA 3.0 and the GFDL
Author: Mr. Stradivarius

[1] https://en.wikipedia.org/wiki/Module:Testcase_table
[2] https://en.wikipedia.org/wiki/User:Frietjes
[3] https://en.wikipedia.org/wiki/User:Mr._Stradivarius
[4] https://en.wikipedia.org/wiki/User:Jackmcbarn
[5] https://en.wikipedia.org/wiki/Module:Testcase_rows
[6] https://en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_Attribution-ShareAlike_3.0_Unported_License
[7] https://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License
]]

-- Load required modules
local yesno = require('Module:Yesno')

-- Set constants
local DATA_MODULE = 'Module:Template test case/data'

-------------------------------------------------------------------------------
-- Shared methods
-------------------------------------------------------------------------------

local function message(self, key, ...)
-- This method is added to classes that need to deal with messages from the
-- config module.
local msg = self.cfg.msg[key]
if select(1, ...) then
return mw.message.newRawMessage(msg, ...):plain()
else
return msg
end
end

-------------------------------------------------------------------------------
-- Template class
-------------------------------------------------------------------------------

local Template = {}

Template.memoizedMethods = {
-- Names of methods to be memoized in each object. This table should only
-- hold methods with no parameters.
getFullPage = true,
getName = true,
makeHeader = true,
getOutput = true
}

function Template.new(invocationObj, options)
local obj = {}

-- Set input
for k, v in pairs(options or {}) do
if not Template[k] then
obj[k] = v
end
end
obj._invocation = invocationObj

-- Validate input
if not obj.template and not obj.title then
error('no template or title specified', 2)
end

-- Memoize expensive method calls
local memoFuncs = {}
return setmetatable(obj, {
__index = function (t, key)
if Template.memoizedMethods[key] then
local func = memoFuncs[key]
if not func then
local val = Template[key](t)
func = function () return val end
memoFuncs[key] = func
end
return func
else
return Template[key]
end
end
})
end

function Template:getFullPage()
if self.template then
local strippedTemplate, hasColon = self.template:gsub('^:', '', 1)
hasColon = hasColon > 0
local ns = strippedTemplate:match('^(.-):')
ns = ns and mw.site.namespaces[ns]
if ns then
return strippedTemplate
elseif hasColon then
return strippedTemplate -- Main namespace
else
return mw.site.namespaces[10].name .. ':' .. strippedTemplate
end
else
return self.title.prefixedText
end
end

function Template:getName()
if self.template then
return self.template
else
return require('Module:Template invocation').name(self.title)
end
end

function Template:makeLink(display)
if display then
return string.format('[[:%s|%s]]', self:getFullPage(), display)
else
return string.format('[[:%s]]', self:getFullPage())
end
end

function Template:makeBraceLink(display)
display = display or self:getName()
local link = self:makeLink(display)
return mw.text.nowiki('{{') .. link .. mw.text.nowiki('}}')
end

function Template:makeHeader()
return self.heading or self:makeBraceLink()
end

function Template:getInvocation(format)
local invocation = self._invocation:getInvocation{
template = self:getName(),
requireMagicWord = self.requireMagicWord,
}
if format == 'code' then
invocation = '<code>' .. mw.text.nowiki(invocation) .. '</code>'
elseif format == 'kbd' then
invocation = '<kbd>' .. mw.text.nowiki(invocation) .. '</kbd>'
elseif format == 'plain' then
invocation = mw.text.nowiki(invocation)
else
-- Default is pre tags
invocation = mw.text.encode(invocation, '&')
invocation = '<pre style="white-space: pre-wrap;">' .. invocation .. '</pre>'
invocation = mw.getCurrentFrame():preprocess(invocation)
end
return invocation
end

function Template:getOutput()
local protect = require('Module:Protect')
-- calling self._invocation:getOutput{...}
return protect(self._invocation.getOutput)(self._invocation, {
template = self:getName(),
requireMagicWord = self.requireMagicWord,
})
end

-------------------------------------------------------------------------------
-- TestCase class
-------------------------------------------------------------------------------

local TestCase = {}
TestCase.__index = TestCase
TestCase.message = message -- add the message method

TestCase.renderMethods = {
-- Keys in this table are values of the "format" option, values are the
-- method for rendering that format.
columns = 'renderColumns',
rows = 'renderRows',
tablerows = 'renderRows',
inline = 'renderInline',
cells = 'renderCells',
default = 'renderDefault'
}

function TestCase.new(invocationObj, options, cfg)
local obj = setmetatable({}, TestCase)
obj.cfg = cfg

-- Separate general options from template options. Template options are
-- numbered, whereas general options are not.
local generalOptions, templateOptions = {}, {}
for k, v in pairs(options) do
local prefix, num
if type(k) == 'string' then
prefix, num = k:match('^(.-)([1-9][0-9]*)$')
end
if prefix then
num = tonumber(num)
templateOptions[num] = templateOptions[num] or {}
templateOptions[num][prefix] = v
else
generalOptions[k] = v
end
end

-- Set general options
generalOptions.showcode = yesno(generalOptions.showcode)
generalOptions.showheader = yesno(generalOptions.showheader) ~= false
generalOptions.showcaption = yesno(generalOptions.showcaption) ~= false
generalOptions.collapsible = yesno(generalOptions.collapsible)
generalOptions.notcollapsed = yesno(generalOptions.notcollapsed)
generalOptions.wantdiff = yesno(generalOptions.wantdiff)
obj.options = generalOptions

-- Preprocess template args
for num, t in pairs(templateOptions) do
if t.showtemplate ~= nil then
t.showtemplate = yesno(t.showtemplate)
end
end

-- Set up first two template options tables, so that if only the
-- "template3" is specified it isn't made the first template when the
-- the table options array is compressed.
templateOptions[1] = templateOptions[1] or {}
templateOptions[2] = templateOptions[2] or {}

-- Allow the "template" option to override the "template1" option for
-- backwards compatibility with [[Module:Testcase table]].
if generalOptions.template then
templateOptions[1].template = generalOptions.template
end

-- Add default template options
if templateOptions[1].template and not templateOptions[2].template then
templateOptions[2].template = templateOptions[1].template ..
'/' .. obj.cfg.sandboxSubpage
end
if not templateOptions[1].template then
templateOptions[1].title = mw.title.getCurrentTitle().basePageTitle
end
if not templateOptions[2].template then
templateOptions[2].title = templateOptions[1].title:subPageTitle(
obj.cfg.sandboxSubpage
)
end

-- Remove template options for any templates where the showtemplate
-- argument is false. This prevents any output for that template.
for num, t in pairs(templateOptions) do
if t.showtemplate == false then
templateOptions[num] = nil
end
end

-- Check for missing template names.
for num, t in pairs(templateOptions) do
if not t.template and not t.title then
error(obj:message(
'missing-template-option-error',
num, num
), 2)
end
end

-- Compress templateOptions table so we can iterate over it with ipairs.
templateOptions = (function (t)
local nums = {}
for num in pairs(t) do
nums[#nums + 1] = num
end
table.sort(nums)
local ret = {}
for i, num in ipairs(nums) do
ret[i] = t[num]
end
return ret
end)(templateOptions)

-- Don't require the __TEMPLATENAME__ magic word for nowiki invocations if
-- there is only one template being output.
if #templateOptions <= 1 then
templateOptions[1].requireMagicWord = false
end

mw.logObject(templateOptions)

-- Make the template objects
obj.templates = {}
for i, options in ipairs(templateOptions) do
table.insert(obj.templates, Template.new(invocationObj, options))
end

-- Add tracking categories. At the moment we are only tracking templates
-- that use any "heading" parameters or an "output" parameter.
obj.categories = {}
for k, v in pairs(options) do
if type(k) == 'string' and k:find('heading') then
obj.categories['Test cases using heading parameters'] = true
elseif k == 'output' then
obj.categories['Test cases using output parameter'] = true
end
end

return obj
end

function TestCase:getTemplateOutput(templateObj)
local output = templateObj:getOutput()
if self.options.resetRefs then
mw.getCurrentFrame():extensionTag('references')
end
return output
end

function TestCase:templateOutputIsEqual()
-- Returns a boolean showing whether all of the template outputs are equal.
-- The random parts of strip markers (see [[Help:Strip markers]]) are
-- removed before comparison. This means a strip marker can contain anything
-- and still be treated as equal, but it solves the problem of otherwise
-- identical wikitext not returning as exactly equal.
local function normaliseOutput(obj)
local out = obj:getOutput()
-- Remove the random parts from strip markers.
out = out:gsub('(\127\'"`UNIQ.-)%-%x+%-(QINU`"\'\127)', '%1%2')
return out
end
local firstOutput = normaliseOutput(self.templates[1])
for i = 2, #self.templates do
local output = normaliseOutput(self.templates[i])
if output ~= firstOutput then
return false
end
end
return true
end

function TestCase:makeCollapsible(s)
local title = self.options.title or self.templates[1]:makeHeader()
if self.options.titlecode then
title = self.templates[1]:getInvocation('kbd')
end
local isEqual = self:templateOutputIsEqual()
local root = mw.html.create('table')
if self.options.wantdiff then
root
:addClass('mw-collapsible')
if self.options.notcollapsed == false then
root
:addClass('mw-collapsed')
end
root
:css('background-color', 'transparent')
:css('width', '100%')
:css('border', 'solid silver 1px')
:tag('tr')
:tag('th')
:css('background-color', isEqual and 'yellow' or '#90a8ee')
:wikitext(title)
:done()
:done()
:tag('tr')
:tag('td')
:newline()
:wikitext(s)
:newline()
else
root
:addClass('mw-collapsible')
if self.options.notcollapsed == false then
root
:addClass('mw-collapsed')
end
if self.options.notcollapsed ~= true or false then
root
:addClass(isEqual and 'mw-collapsed' or nil)
end
root
:css('background-color', 'transparent')
:css('width', '100%')
:css('border', 'solid silver 1px')
:tag('tr')
:tag('th')
:css('background-color', isEqual and 'lightgreen' or 'yellow')
:wikitext(title)
:done()
:done()
:tag('tr')
:tag('td')
:newline()
:wikitext(s)
:newline()
end
return tostring(root)
end

function TestCase:renderColumns()
local root = mw.html.create()
if self.options.showcode then
root
:wikitext(self.templates[1]:getInvocation())
:newline()
end

local tableroot = root:tag('table')

if self.options.showheader then
-- Caption
if self.options.showcaption then
tableroot
:addClass(self.options.class)
:cssText(self.options.style)
:tag('caption')
:wikitext(self.options.caption or self:message('columns-header'))
end

-- Headers
local headerRow = tableroot:tag('tr')
if self.options.rowheader then
-- rowheader is correct here. We need to add another th cell if
-- rowheader is set further down, even if heading0 is missing.
headerRow:tag('th'):wikitext(self.options.heading0)
end
local width
if #self.templates > 0 then
width = tostring(math.floor(100 / #self.templates)) .. '%'
else
width = '100%'
end
for i, obj in ipairs(self.templates) do
headerRow
:tag('th')
:css('width', width)
:wikitext(obj:makeHeader())
end
end

-- Row header
local dataRow = tableroot:tag('tr'):css('vertical-align', 'top')
if self.options.rowheader then
dataRow:tag('th')
:attr('scope', 'row')
:wikitext(self.options.rowheader)
end

-- Template output
for i, obj in ipairs(self.templates) do
if self.options.output == 'nowiki+' then
dataRow:tag('td')
:newline()
:wikitext(self.options.before)
:wikitext(self:getTemplateOutput(obj))
:wikitext(self.options.after)
:wikitext('<pre style="white-space: pre-wrap;">')
:wikitext(mw.text.nowiki(self.options.before or ""))
:wikitext(mw.text.nowiki(self:getTemplateOutput(obj)))
:wikitext(mw.text.nowiki(self.options.after or ""))
:wikitext('</pre>')
elseif self.options.output == 'nowiki' then
dataRow:tag('td')
:newline()
:wikitext(mw.text.nowiki(self.options.before or ""))
:wikitext(mw.text.nowiki(self:getTemplateOutput(obj)))
:wikitext(mw.text.nowiki(self.options.after or ""))
else
dataRow:tag('td')
:newline()
:wikitext(self.options.before)
:wikitext(self:getTemplateOutput(obj))
:wikitext(self.options.after)
end
end

return tostring(root)
end

function TestCase:renderRows()
local root = mw.html.create()
if self.options.showcode then
root
:wikitext(self.templates[1]:getInvocation())
:newline()
end

local tableroot = root:tag('table')
tableroot
:addClass(self.options.class)
:cssText(self.options.style)

if self.options.caption then
tableroot
:tag('caption')
:wikitext(self.options.caption)
end

for _, obj in ipairs(self.templates) do
local dataRow = tableroot:tag('tr')

-- Header
if self.options.showheader then
if self.options.format == 'tablerows' then
dataRow:tag('th')
:attr('scope', 'row')
:css('vertical-align', 'top')
:css('text-align', 'left')
:wikitext(obj:makeHeader())
dataRow:tag('td')
:css('vertical-align', 'top')
:css('padding', '0 1em')
:wikitext('→')
else
dataRow:tag('td')
:css('text-align', 'center')
:css('font-weight', 'bold')
:wikitext(obj:makeHeader())
dataRow = tableroot:tag('tr')
end
end

-- Template output
if self.options.output == 'nowiki+' then
dataRow:tag('td')
:newline()
:wikitext(self:getTemplateOutput(obj))
:wikitext('<pre style="white-space: pre-wrap;">')
:wikitext(mw.text.nowiki(self:getTemplateOutput(obj)))
:wikitext('</pre>')
elseif self.options.output == 'nowiki' then
dataRow:tag('td')
:newline()
:wikitext(mw.text.nowiki(self:getTemplateOutput(obj)))
else
dataRow:tag('td')
:newline()
:wikitext(self:getTemplateOutput(obj))
end
end

return tostring(root)
end

function TestCase:renderInline()
local arrow = mw.language.getContentLanguage():getArrow('forwards')
local ret = {}
for i, obj in ipairs(self.templates) do
local line = {}
line[#line + 1] = self.options.prefix or '* '
if self.options.showcode then
line[#line + 1] = obj:getInvocation('code')
line[#line + 1] = ' '
line[#line + 1] = arrow
line[#line + 1] = ' '
end
if self.options.output == 'nowiki+' then
line[#line + 1] = self:getTemplateOutput(obj)
line[#line + 1] = '<pre style="white-space: pre-wrap;">'
line[#line + 1] = mw.text.nowiki(self:getTemplateOutput(obj))
line[#line + 1] = '</pre>'
elseif self.options.output == 'nowiki' then
line[#line + 1] = mw.text.nowiki(self:getTemplateOutput(obj))
else
line[#line + 1] = self:getTemplateOutput(obj)
end
ret[#ret + 1] = table.concat(line)
end
if self.options.addline then
local line = {}
line[#line + 1] = self.options.prefix or '* '
line[#line + 1] = self.options.addline
ret[#ret + 1] = table.concat(line)
end
return table.concat(ret, '\n')
end

function TestCase:renderCells()
local root = mw.html.create()
local dataRow = root:tag('tr')
dataRow
:css('vertical-align', 'top')
:addClass(self.options.class)
:cssText(self.options.style)

-- Row header
if self.options.rowheader then
dataRow:tag('th')
:attr('scope', 'row')
:newline()
:wikitext(self.options.rowheader or self:message('row-header'))
end
-- Caption
if self.options.showcaption then
dataRow:tag('th')
:attr('scope', 'row')
:newline()
:wikitext(self.options.caption or self:message('columns-header'))
end

-- Show code
if self.options.showcode then
dataRow:tag('td')
:newline()
:wikitext(self:getInvocation('code'))
end

-- Template output
for i, obj in ipairs(self.templates) do
if self.options.output == 'nowiki+' then
dataRow:tag('td')
:newline()
:wikitext(self.options.before)
:wikitext(self:getTemplateOutput(obj))
:wikitext(self.options.after)
:wikitext('<pre style="white-space: pre-wrap;">')
:wikitext(mw.text.nowiki(self.options.before or ""))
:wikitext(mw.text.nowiki(self:getTemplateOutput(obj)))
:wikitext(mw.text.nowiki(self.options.after or ""))
:wikitext('</pre>')
elseif self.options.output == 'nowiki' then
dataRow:tag('td')
:newline()
:wikitext(mw.text.nowiki(self.options.before or ""))
:wikitext(mw.text.nowiki(self:getTemplateOutput(obj)))
:wikitext(mw.text.nowiki(self.options.after or ""))
else
dataRow:tag('td')
:newline()
:wikitext(self.options.before)
:wikitext(self:getTemplateOutput(obj))
:wikitext(self.options.after)
end
end

return tostring(root)
end

function TestCase:renderDefault()
local ret = {}
if self.options.showcode then
ret[#ret + 1] = self.templates[1]:getInvocation()
end
for i, obj in ipairs(self.templates) do
ret[#ret + 1] = '<div style="clear: both;"></div>'
if self.options.showheader then
ret[#ret + 1] = obj:makeHeader()
end
if self.options.output == 'nowiki+' then
ret[#ret + 1] = self:getTemplateOutput(obj) .. '<pre style="white-space: pre-wrap;">' .. mw.text.nowiki(self:getTemplateOutput(obj)) .. '</pre>'
elseif self.options.output == 'nowiki' then
ret[#ret + 1] = mw.text.nowiki(self:getTemplateOutput(obj))
else
ret[#ret + 1] = self:getTemplateOutput(obj)
end
end
return table.concat(ret, '\n\n')
end

function TestCase:__tostring()
local format = self.options.format
local method = format and TestCase.renderMethods[format] or 'renderDefault'
local ret = self[method](self)
if self.options.collapsible then
ret = self:makeCollapsible(ret)
end
for cat in pairs(self.categories) do
ret = ret .. string.format('[[Category:%s]]', cat)
end
return ret
end

-------------------------------------------------------------------------------
-- Nowiki invocation class
-------------------------------------------------------------------------------

local NowikiInvocation = {}
NowikiInvocation.__index = NowikiInvocation
NowikiInvocation.message = message -- Add the message method

function NowikiInvocation.new(invocation, cfg)
local obj = setmetatable({}, NowikiInvocation)
obj.cfg = cfg
invocation = mw.text.unstrip(invocation)
-- Decode HTML entities for <, >, and ". This means that HTML entities in
-- the original code must be escaped as e.g. &lt;, which is unfortunate,
-- but it is the best we can do as the distinction between <, >, " and <,
-- >, " is lost during the original nowiki operation.
invocation = invocation:gsub('<', '<')
invocation = invocation:gsub('>', '>')
invocation = invocation:gsub('"', '"')
obj.invocation = invocation
return obj
end

function NowikiInvocation:getInvocation(options)
local template = options.template:gsub('%%', '%%%%') -- Escape "%" with "%%"
local invocation, count = self.invocation:gsub(
self.cfg.templateNameMagicWordPattern,
template
)
if options.requireMagicWord ~= false and count < 1 then
error(self:message(
'nowiki-magic-word-error',
self.cfg.templateNameMagicWord
))
end
return invocation
end

function NowikiInvocation:getOutput(options)
local invocation = self:getInvocation(options)
return mw.getCurrentFrame():preprocess(invocation)
end

-------------------------------------------------------------------------------
-- Table invocation class
-------------------------------------------------------------------------------

local TableInvocation = {}
TableInvocation.__index = TableInvocation
TableInvocation.message = message -- Add the message method

function TableInvocation.new(invokeArgs, nowikiCode, cfg)
local obj = setmetatable({}, TableInvocation)
obj.cfg = cfg
obj.invokeArgs = invokeArgs
obj.code = nowikiCode
return obj
end

function TableInvocation:getInvocation(options)
if self.code then
local nowikiObj = NowikiInvocation.new(self.code, self.cfg)
return nowikiObj:getInvocation(options)
else
return require('Module:Template invocation').invocation(
options.template,
self.invokeArgs
)
end
end

function TableInvocation:getOutput(options)
return mw.getCurrentFrame():expandTemplate{
title = options.template,
args = self.invokeArgs
}
end

-------------------------------------------------------------------------------
-- Bridge functions
--
-- These functions translate template arguments into forms that can be accepted
-- by the different classes, and return the results.
-------------------------------------------------------------------------------

local bridge = {}

function bridge.table(args, cfg)
cfg = cfg or mw.loadData(DATA_MODULE)

local options, invokeArgs = {}, {}
for k, v in pairs(args) do
local optionKey = type(k) == 'string' and k:match('^_(.*)$')
if optionKey then
if type(v) == 'string' then
v = v:match('^%s*(.-)%s*$') -- trim whitespace
end
if v ~= '' then
options[optionKey] = v
end
else
invokeArgs[k] = v
end
end

-- Allow passing a nowiki invocation as an option. While this means users
-- have to pass in the code twice, whitespace is preserved and < etc.
-- will work as intended.
local nowikiCode = options.code
options.code = nil

local invocationObj = TableInvocation.new(invokeArgs, nowikiCode, cfg)
local testCaseObj = TestCase.new(invocationObj, options, cfg)
return tostring(testCaseObj)
end

function bridge.nowiki(args, cfg)
cfg = cfg or mw.loadData(DATA_MODULE)

local code = args.code or args[1]
local invocationObj = NowikiInvocation.new(code, cfg)
args.code = nil
args[1] = nil
-- Assume we want to see the code as we already passed it in.
args.showcode = args.showcode or true
local testCaseObj = TestCase.new(invocationObj, args, cfg)
return tostring(testCaseObj)
end

-------------------------------------------------------------------------------
-- Exports
-------------------------------------------------------------------------------

local p = {}

function p.main(frame, cfg)
cfg = cfg or mw.loadData(DATA_MODULE)

-- Load the wrapper config, if any.
local wrapperConfig
if frame.getParent then
local title = frame:getParent():getTitle()
local template = title:gsub(cfg.sandboxSubpagePattern, '')
wrapperConfig = cfg.wrappers[template]
end

-- Work out the function we will call, use it to generate the config for
-- Module:Arguments, and use Module:Arguments to find the arguments passed
-- by the user.
local func = wrapperConfig and wrapperConfig.func or 'table'
local userArgs = require('Module:Arguments').getArgs(frame, {
parentOnly = wrapperConfig,
frameOnly = not wrapperConfig,
trim = func ~= 'table',
removeBlanks = func ~= 'table'
})

-- Get default args and build the args table. User-specified args overwrite
-- default args.
local defaultArgs = wrapperConfig and wrapperConfig.args or {}
local args = {}
for k, v in pairs(defaultArgs) do
args[k] = v
end
for k, v in pairs(userArgs) do
args[k] = v
end

return bridge[func](args, cfg)
end

function p._exportClasses() -- For testing
return {
Template = Template,
TestCase = TestCase,
NowikiInvocation = NowikiInvocation,
TableInvocation = TableInvocation
}
end

return p

Module:Template test case - Revision history

imported>SUM1: Further tweak