added RSpec and RSpec on Rails

[rails.git] / vendor / gems / rspec-1.1.2 / lib / spec / example / example_group_factory.rb

diff --git a/vendor/gems/rspec-1.1.2/lib/spec/example/example_group_factory.rb b/vendor/gems/rspec-1.1.2/lib/spec/example/example_group_factory.rb
new file mode 100644 (file)
index 0000000..0414a3b
--- /dev/null
+++ b/vendor/gems/rspec-1.1.2/lib/spec/example/example_group_factory.rb
@@ -0,0 +1,62 @@
+module Spec
+  module Example
+    class ExampleGroupFactory
+      class << self
+        def reset
+          @example_group_types = nil
+          default(ExampleGroup)
+        end
+
+        # Registers an example group class +klass+ with the symbol
+        # +type+. For example:
+        #
+        #   Spec::Example::ExampleGroupFactory.register(:farm, Spec::Farm::Example::FarmExampleGroup)
+        #
+        # This will cause Main#describe from a file living in 
+        # <tt>spec/farm</tt> to create example group instances of type
+        # Spec::Farm::Example::FarmExampleGroup.
+        def register(id, example_group_class)
+          @example_group_types[id] = example_group_class
+        end
+        
+        # Sets the default ExampleGroup class
+        def default(example_group_class)
+          old = @example_group_types
+          @example_group_types = Hash.new(example_group_class)
+          @example_group_types.merge(old) if old
+        end
+
+        def get(id=nil)
+          if @example_group_types.values.include?(id)
+            id
+          else
+            @example_group_types[id]
+          end
+        end
+        
+        def create_example_group(*args, &block)
+          opts = Hash === args.last ? args.last : {}
+          if opts[:shared]
+            SharedExampleGroup.new(*args, &block)
+          else
+            superclass = determine_superclass(opts)
+            superclass.describe(*args, &block)
+          end
+        end
+
+        protected
+
+        def determine_superclass(opts)
+          id = if opts[:type]
+            opts[:type]
+          elsif opts[:spec_path] =~ /spec(\\|\/)(#{@example_group_types.keys.join('|')})/
+            $2 == '' ? nil : $2.to_sym
+          end
+          get(id)
+        end
+
+      end
+      self.reset
+    end
+  end
+end