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local pretty = require 'pl.pretty'
local io = io
local type = type
local string_format = string.format
local string_gsub = string.gsub
local io_write = io.write
local io_flush = io.flush
local function print(msg)
io_write(msg .. '\n')
end
return function(options)
local busted = require 'busted'
local handler = require 'busted.outputHandlers.base'()
local success = 'ok %u - %s'
local failure = 'not ' .. success
local skip = 'ok %u - # SKIP %s'
local counter = 0
handler.suiteReset = function()
counter = 0
return nil, true
end
handler.suiteEnd = function()
print('1..' .. counter)
io_flush()
return nil, true
end
local function showFailure(t)
local message = t.message
local trace = t.trace or {}
if message == nil then
message = 'Nil error'
elseif type(message) ~= 'string' then
message = pretty.write(message)
end
print(string_format(failure, counter, t.name))
if t.element.trace.short_src then
print('# ' .. t.element.trace.short_src .. ' @ ' .. t.element.trace.currentline)
end
if t.randomseed then
print('# Random seed: ' .. t.randomseed)
end
print('# Failure message: ' .. string_gsub(message, '\n', '\n# '))
if options.verbose and trace.traceback then
print('# ' .. string_gsub(string_gsub(trace.traceback, '^\n', '', 1), '\n', '\n# '))
end
end
handler.testStart = function(element, parent)
local trace = element.trace
if options.verbose and trace and trace.short_src then
local fileline = trace.short_src .. ' @ ' .. trace.currentline .. ': '
local testName = fileline .. handler.getFullName(element)
print('# ' .. testName)
end
io.flush()
return nil, true
end
handler.testEnd = function(element, parent, status, trace)
counter = counter + 1
if status == 'success' then
local t = handler.successes[#handler.successes]
print(string_format(success, counter, t.name))
elseif status == 'pending' then
local t = handler.pendings[#handler.pendings]
print(string_format(skip, counter, (t.message or t.name)))
elseif status == 'failure' then
showFailure(handler.failures[#handler.failures])
elseif status == 'error' then
showFailure(handler.errors[#handler.errors])
end
io.flush()
return nil, true
end
handler.error = function(element, parent, message, debug)
if element.descriptor ~= 'it' then
counter = counter + 1
showFailure(handler.errors[#handler.errors])
end
io.flush()
return nil, true
end
busted.subscribe({ 'suite', 'reset' }, handler.suiteReset)
busted.subscribe({ 'suite', 'end' }, handler.suiteEnd)
busted.subscribe({ 'test', 'start' }, handler.testStart, { predicate = handler.cancelOnPending })
busted.subscribe({ 'test', 'end' }, handler.testEnd, { predicate = handler.cancelOnPending })
busted.subscribe({ 'error' }, handler.error)
return handler
end
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