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require "test/unit"
# Test::Unit loads a default test if the suite is empty, whose purpose is to
# fail. Since having empty contexts is a common practice, we decided to
# overwrite TestSuite#empty? in order to allow them. Having a failure when no
# tests have been defined seems counter-intuitive.
class Test::Unit::TestSuite
def empty?
false
end
end
# Contest adds +teardown+, +test+ and +context+ as class methods, and the
# instance methods +setup+ and +teardown+ now iterate on the corresponding
# blocks. Note that all setup and teardown blocks must be defined with the
# block syntax. Adding setup or teardown instance methods defeats the purpose
# of this library.
class Test::Unit::TestCase
def self.setup(&block)
define_method :setup do
super(&block)
instance_eval(&block)
end
end
def self.teardown(&block)
define_method :teardown do
instance_eval(&block)
super(&block)
end
end
def self.context(name, &block)
subclass = Class.new(self)
remove_tests(subclass)
subclass.class_eval(&block) if block_given?
const_set(context_name(name), subclass)
end
def self.test(name, &block)
define_method(test_name(name), &block)
end
class << self
alias_method :should, :test
alias_method :describe, :context
end
def assert_not_match(v1, v2, *anything_else)
if v1.is_a?(String)
super(Regexp.new(Regexp.escape(v1)), v2, *anything_else)
else
super
end
end
private
def self.context_name(name)
"Test#{sanitize_name(name).gsub(/(^| )(\w)/) { $2.upcase }}".to_sym
end
def self.test_name(name)
"test_#{sanitize_name(name).gsub(/\s+/,'_')}".to_sym
end
def self.sanitize_name(name)
name.gsub(/\W+/, ' ').strip
end
def self.remove_tests(subclass)
subclass.public_instance_methods.grep(/^test_/).each do |meth|
subclass.send(:undef_method, meth.to_sym)
end
end
end
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