Start of test suite

test/contest.rb

@@ -0,0 +1,94 @@
+# Downloaded from https://github.com/citrusbyte/contest/
+
+=begin
+############################################################################
+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.
+############################################################################
+=end
+
+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.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
+  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