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@@ -1,7 +1,7 @@
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 module ActiveCouch
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   class Base
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     SPECIAL_MEMBERS = %w(attributes associations connection)
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-    
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+
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     def initialize(params = {})
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       # Object instance variable
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       @attributes, @associations, @connection, klass_atts, klass_assocs = {}, {}, self.class.connection, self.class.attributes, self.class.associations
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@@ -28,6 +28,31 @@ module ActiveCouch
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       from_hash(params)
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     end
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+    # Returns the "_id" of the CouchDB document represented by this instance.
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+    def id
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+      @id ||= attributes[:_id]
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+    end
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+
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+    # Sets the "_id" of the CouchDB document represented by this instance.
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+    # This doesn't do anything unless this is a new document.
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+    def id=(new_id)
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+      if new?
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+        attributes[:_id] = @id = new_id
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+      else
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+        nil
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+      end
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+    end
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+
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+    # Returns the "_rev" of the CouchDB document represented by this instance.
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+    def rev
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+      @rev ||= attributes[:_rev]
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+    end
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+
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+    # Returns true if this is a new CouchDB document.
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+    def new?
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+      @rev.nil?
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+    end
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+
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     def to_json
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       hash = {}
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       # @attributes and @associations are hashes. Get all

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@@ -26,6 +26,37 @@ class Blog < ActiveCouch::Base
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   has_many :comments
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 end
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+describe "An object instantiated from the subclass of ActiveCouch::Base" do
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+  before(:each) do
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+    @person = Person.new
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+  end
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+
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+  it "should have accessors for the id attribute" do
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+    @person.should respond_to(:id)
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+    @person.should respond_to(:id=)
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+  end
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+
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+  it "should have a reader for the rev attribute" do
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+    @person.should respond_to(:rev)
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+  end
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+end
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+
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+describe "A new ActiveCouch::Base instance" do
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+  before(:each) do
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+    @person = Person.new
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+  end
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+
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+  it "should be new" do
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+    @person.should be_new
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+  end
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+
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+  it "should not be new once it has been saved"
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+
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+  it "should allow you to set the id attribute"
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+
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+  it "should set the id and rev attributes after being saved"
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+end
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+
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 describe "A class which is a subclass of ActiveCouch::Base" do
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   before(:each) do
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     @p = Person.new