Module:Reply to/testcases

local mReplyTo = require('Module:Reply to') -- the module to be tested
local ScribuntoUnit = require('Module:ScribuntoUnit')
local suite = ScribuntoUnit:new()

local frame = mw.getCurrentFrame()

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-- Helper functions
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local function makeFrameWithParentArgs(args)
	local parent = frame:newChild{title = 'Template:Reply to', args = args}
	local child = parent:newChild{title = 'Module:Reply to'}
	return child
end

local function replyTo(args)
	return mReplyTo.replyto(makeFrameWithParentArgs(args))
end

-- Returns an array of n unique strings.
local function makeNUniqueStrings(n)
	local ret = {}
	for i = 1, n do
		ret[i] = tostring(i)
	end
	return ret
end

function suite:assertHtmlError(pattern, output)
	pattern = '^<strong class="error">Error in %[%[Template:Reply to%]%]: ' .. pattern .. '.</strong>$'
	self:assertStringContains(pattern, output)
end

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-- Error tests
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function suite:testNoUsernamesError()
    self:assertHtmlError('Username not given', replyTo{})
end

function suite:testInvalidUsernameError()
    self:assertHtmlError('Input contains forbidden characters', replyTo{'Examp|le'})
end

function suite:testTooManyUsernamesError()
	self:assertHtmlError(
		'More than %d+ names specified',
		replyTo(makeNUniqueStrings(1000)) -- The limit is probably always going to be lower than 1000
	)
end

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-- Test defaults
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function suite:testOneUsername()
	self:assertEquals(
		'<span class="template-ping">@[[:User:Example|Example]]:</span>',
		replyTo{'Example'}
	)
end

function suite:testTwoUsernames()
	self:assertEquals(
		'<span class="template-ping">@[[:User:Example|Example]] and [[:User:Example2|Example2]]:</span>',
		replyTo{'Example', 'Example2'}
	)
end

function suite:testThreeUsernames()
	self:assertEquals(
		'<span class="template-ping">@[[:User:Example|Example]], [[:User:Example2|Example2]], and [[:User:Example3|Example3]]:</span>',
		replyTo{'Example', 'Example2', 'Example3'}
	)
end

function suite:testFourUsernames()
	self:assertEquals(
		'<span class="template-ping">@[[:User:Example|Example]], [[:User:Example2|Example2]], [[:User:Example3|Example3]], and [[:User:Example4|Example4]]:</span>',
		replyTo{'Example', 'Example2', 'Example3', 'Example4'}
	)
end

return suite