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require 'test/unit'
testdir = File.expand_path(File.dirname(__FILE__))
rootdir = File.dirname(testdir)
libdir = File.join(rootdir, 'lib')
STDOUT.sync = true
$:.unshift(testdir) unless $:.include?(testdir)
$:.unshift(libdir) unless $:.include?(libdir)
$:.unshift(rootdir) unless $:.include?(rootdir)
class Testing
class Slug < ::String
def Slug.for(*args)
string = args.flatten.compact.join('-')
words = string.to_s.scan(%r/\w+/)
words.map!{|word| word.gsub %r/[^0-9a-zA-Z_-]/, ''}
words.delete_if{|word| word.nil? or word.strip.empty?}
new(words.join('-').downcase)
end
end
class Context
attr_accessor :name
def initialize(name, *args)
@name = name
end
def to_s
Slug.for(name)
end
end
end
def Testing(*args, &block)
Class.new(::Test::Unit::TestCase) do
## class methods
#
class << self
def contexts
@contexts ||= []
end
def context(*args, &block)
return contexts.last if(args.empty? and block.nil?)
context = Testing::Context.new(*args)
contexts.push(context)
begin
block.call(context)
ensure
contexts.pop
end
end
def slug_for(*args)
string = [context, args].flatten.compact.join('-')
words = string.to_s.scan(%r/\w+/)
words.map!{|word| word.gsub %r/[^0-9a-zA-Z_-]/, ''}
words.delete_if{|word| word.nil? or word.strip.empty?}
words.join('-').downcase.sub(/_$/, '')
end
def name() const_get(:Name) end
def testno()
'%05d' % (@testno ||= 0)
ensure
@testno += 1
end
def testing(*args, &block)
method = ["test", testno, slug_for(*args)].delete_if{|part| part.empty?}.join('_')
define_method(method, &block)
end
def test(*args, &block)
testing(*args, &block)
end
def setup(&block)
define_method(:setup, &block) if block
end
def teardown(&block)
define_method(:teardown, &block) if block
end
def prepare(&block)
@prepare ||= []
@prepare.push(block) if block
@prepare
end
def cleanup(&block)
@cleanup ||= []
@cleanup.push(block) if block
@cleanup
end
end
## configure the subclass!
#
const_set(:Testno, '0')
slug = slug_for(*args).gsub(%r/-/,'_')
name = ['TESTING', '%03d' % const_get(:Testno), slug].delete_if{|part| part.empty?}.join('_')
name = name.upcase!
const_set(:Name, name)
const_set(:Missing, Object.new.freeze)
## instance methods
#
alias_method('__assert__', 'assert')
def assert(*args, &block)
if args.size == 1 and args.first.is_a?(Hash)
options = args.first
expected = getopt(:expected, options){ missing }
actual = getopt(:actual, options){ missing }
if expected == missing and actual == missing
actual, expected, *ignored = options.to_a.flatten
end
expected = expected.call() if expected.respond_to?(:call)
actual = actual.call() if actual.respond_to?(:call)
assert_equal(expected, actual)
end
if block
label = "assert(#{ args.join(' ') })"
result = nil
assert_nothing_raised{ result = block.call }
__assert__(result, label)
result
else
result = args.shift
label = "assert(#{ args.join(' ') })"
__assert__(result, label)
result
end
end
def missing
self.class.const_get(:Missing)
end
def getopt(opt, hash, options = nil, &block)
[opt.to_s, opt.to_s.to_sym].each do |key|
return hash[key] if hash.has_key?(key)
end
default =
if block
block.call
else
options.is_a?(Hash) ? options[:default] : nil
end
return default
end
def subclass_of exception
class << exception
def ==(other) super or self > other end
end
exception
end
##
#
module_eval(&block)
self.setup()
self.prepare.each{|b| b.call()}
at_exit{
self.teardown()
self.cleanup.each{|b| b.call()}
}
self
end
end
if $0 == __FILE__
Testing 'Testing' do
testing('foo'){ assert true }
test{ assert true }
p instance_methods.grep(/test/)
end
end
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