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Mòideal:Template test case

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This module provides a framework for making templates which produce a template test case. While test cases can be made manually, using Lua-based templates such as the ones provided by this module has the advantage that the template arguments only need to be input once, thus reducing the effort involved in making test cases and reducing the possibility of errors in the input.

Ùsaid - Usage

This module should not usually be called directly. Instead, you should use one of the following templates:

Parameter-based templates:

The only difference between these templates is their default arguments. For example, it is possible to display test cases side by side in Teamplaid:Testcase rows by specifying |_format=columns

Nowiki-based templates:

It is also possible to use a format of {{#invoke:template test case|main|parameters}}. This uses the same defaults as Teamplaid:Test case; please see that page for documentation of the parameters.

There is no direct interface to this module for other Lua modules. Lua modules should generally use Lua-based test case modules such as Mòideal:UnitTests or Mòideal:ScribuntoUnit. If it is really necessary to use this module, you can use frame:expandTemplate with one of the templates listed above.

Réiteachadh - Configuration

This module has a configuration module at Mòideal:Template test case/config. You can edit it to add new wrapper templates, or to change the messages that the module outputs.

Roinnean-seòrsa tracaidh - Tracking categories

--[[
   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. &amp;lt;, which is unfortunate,
	-- but it is the best we can do as the distinction between <, >, " and &lt;,
	-- &gt;, &quot; is lost during the original nowiki operation.
	invocation = invocation:gsub('&lt;', '<')
	invocation = invocation:gsub('&gt;', '>')
	invocation = invocation:gsub('&quot;', '"')
	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 &lt; 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
Air a tharraing à "https://gd.wiktionary.org/w/index.php?title=Mòideal:Template_test_case&oldid=70431"