Add 'must' test helper and run tests with Rake.

Rakefile

@@ -1,3 +1,15 @@
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+task :default => [ :test ]
+
+desc "Executes the test suite"
+Rake::TestTask.new do |t|
+  t.name = :test
+  t.libs << 'lib' << 'ext' << 'test'
+  t.pattern = "test/test_*.rb"
+end
+
 begin
   require 'jeweler'
 rescue LoadError

test/test_helper.rb

@@ -1,2 +1,21 @@
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'test/unit'
-require File.dirname(__FILE__) + '/../lib/ehcache'
+require 'ehcache'
+
+module Test::Unit
+  class TestCase
+    def self.must(name, &block)
+      test_name = "test_#{name.gsub(/[\s.]+/, '_')}".to_sym
+      defined = instance_method(test_name) rescue false
+      raise "#{test_name} is already defined in #{self}" if defined
+      if block_given?
+        define_method(test_name, &block)
+      else
+        define_method(test_name) do
+          flunk "No implementation provided for #{name}"
+        end
+      end
+    end
+  end
+end