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diff --git a/spec/unit/resource_definition_spec.rb b/spec/unit/resource_definition_spec.rb
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+++ b/spec/unit/resource_definition_spec.rb
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+#
+# Author:: Adam Jacob (<adam@opscode.com>)
+# Copyright:: Copyright (c) 2008 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'spec_helper'
+
+describe Chef::ResourceDefinition do
+  before(:each) do
+    @def = Chef::ResourceDefinition.new()
+  end
+  
+  describe "initialize" do
+    it "should be a Chef::ResourceDefinition" do
+      @def.should be_a_kind_of(Chef::ResourceDefinition)
+    end
+    
+    it "should not initialize a new node if one is not provided" do
+      @def.node.should eql(nil)
+    end
+    
+    it "should accept a node as an argument" do
+      node = Chef::Node.new
+      node.name("bobo")
+      @def = Chef::ResourceDefinition.new(node)
+      @def.node.name.should == "bobo"
+    end
+  end
+  
+  describe "node" do
+    it "should set the node with node=" do
+      node = Chef::Node.new
+      node.name("bobo")
+      @def.node = node
+      @def.node.name.should == "bobo"
+    end
+    
+    it "should return the node" do
+      @def.node = Chef::Node.new
+      @def.node.should be_a_kind_of(Chef::Node)
+    end
+  end
+  
+  it "should accept a new definition with a symbol for a name" do
+    lambda { 
+      @def.define :smoke do 
+      end
+    }.should_not raise_error(ArgumentError)
+    lambda { 
+      @def.define "george washington" do
+      end 
+    }.should raise_error(ArgumentError)
+    @def.name.should eql(:smoke)
+  end
+  
+  it "should accept a new definition with a hash" do
+    lambda { 
+      @def.define :smoke, :cigar => "cuban", :cigarette => "marlboro" do
+      end
+    }.should_not raise_error(ArgumentError)
+  end
+  
+  it "should expose the prototype hash params in the params hash" do
+    @def.define :smoke, :cigar => "cuban", :cigarette => "marlboro" do; end
+    @def.params[:cigar].should eql("cuban")
+    @def.params[:cigarette].should eql("marlboro")
+  end
+
+  it "should store the block passed to define as a proc under recipe" do
+    @def.define :smoke do
+      "I am what I am"
+    end
+    @def.recipe.should be_a_kind_of(Proc)
+    @def.recipe.call.should eql("I am what I am")
+  end
+  
+  it "should set paramaters based on method_missing" do
+    @def.mind "to fly"
+    @def.params[:mind].should eql("to fly")
+  end
+  
+  it "should raise an exception if prototype_params is not a hash" do
+    lambda {
+      @def.define :monkey, Array.new do
+      end
+    }.should raise_error(ArgumentError)
+  end
+  
+  it "should raise an exception if define is called without a block" do
+    lambda { 
+      @def.define :monkey
+    }.should raise_error(ArgumentError)
+  end
+  
+  it "should load a description from a file" do
+    @def.from_file(File.join(CHEF_SPEC_DATA, "definitions", "test.rb"))
+    @def.name.should eql(:rico_suave)
+    @def.params[:rich].should eql("smooth")
+  end  
+  
+  it "should turn itself into a string based on the name with to_s" do
+    @def.name = :woot
+    @def.to_s.should eql("woot")
+  end
+  
+end