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# Copyright (c) 2009 Damian Janowski and Michel Martens for Citrusbyte
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
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) setup_blocks << block end
def self.teardown(&block) teardown_blocks << block end
def self.setup_blocks() @setup_blocks ||= [] end
def self.teardown_blocks() @teardown_blocks ||= [] end
def setup_blocks(base = self.class)
setup_blocks base.superclass if base.superclass.respond_to? :setup_blocks
base.setup_blocks.each do |block|
instance_eval(&block)
end
end
def teardown_blocks(base = self.class)
teardown_blocks base.superclass if base.superclass.respond_to? :teardown_blocks
base.teardown_blocks.each do |block|
instance_eval(&block)
end
end
alias setup setup_blocks
alias teardown teardown_blocks
def self.context(*name, &block)
subclass = Class.new(self)
remove_tests(subclass)
subclass.class_eval(&block) if block_given?
const_set(context_name(name.join(" ")), 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
private
def self.context_name(name)
# "Test#{sanitize_name(name).gsub(/(^| )(\w)/) { $2.upcase }}".to_sym
name = "Test#{sanitize_name(name).gsub(/(^| )(\w)/) { $2.upcase }}"
name.tr(" ", "_").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
name.gsub(/\W+/, ' ')
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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