how to use boards, can close a board

lib/trello/board.rb

@@ -14,21 +14,29 @@ def create(attributes)
       end
     end
 
-    # Update the fields of a board.
-    #
-    # Supply a hash of string keyed data retrieved from the Trello API representing
-    # a board.
+    def save!
+      fail "Cannot save new instance." unless self.id
+
+      Client.put("/boards/#{self.id}/", {
+        :name            => @name,
+        :description     => @description,
+        :closed          => @closed,
+        :url             => @url,
+        :organisation_id => @organisation_id
+      }).json_into(self)
+    end
+
     def update_fields(fields)
-      @id              = fields['id']
-      @name            = fields['name']
-      @description     = fields['desc']
-      @closed          = fields['closed']
-      @url             = fields['url']
-      @organization_id = fields['idOrganization']
+      @id              = fields['id']              if fields['id']
+      @name            = fields['name']            if fields['name']
+      @description     = fields['desc']            if fields['desc']
+      @closed          = fields['closed']          if fields.has_key?('closed')
+      @url             = fields['url']             if fields['url']
+      @organization_id = fields['idOrganization']  if fields['idOrganization']
+
       self
     end
 
-    # Check if the board is active.
     def closed?
       @closed
     end

spec/board_spec.rb

@@ -82,6 +82,85 @@ module Trello
       @board.closed?.should_not be_true
     end
   end
+
+  describe "#update_fields" do
+    it "does not set any fields when the fields argument is empty" do
+      expected = {
+       'id' => "id",
+       'name' => "name",
+       'desc' => "desc",
+       'closed' => false,
+       'url' => "url",
+       'idOrganization' => "org_id"
+      }
+
+      board = Board.new(expected)
+
+      board.update_fields({})
+
+      expected.each_pair do |key, value|
+        if board.respond_to?(key)
+          board.send(key).should == value
+        end
+      end
+
+      board.description.should == expected['desc']
+      board.organization_id.should == expected['idOrganization']
+    end
+
+    it "sets any attributes supplied in the fields argument"
+  end
+
+  describe "#save!" do
+    include Helpers
+
+    let(:any_board_json) do
+      JSON.generate(boards_details.first)      
+    end
+
+    it "cannot currently save a new instance" do
+      Client.should_not_receive :put
+
+      the_new_board = Board.new
+      lambda{the_new_board.save!}.should raise_error "Cannot save new instance."
+    end
+
+    it "puts all fields except id" do
+      expected_fields = %w{name description closed url organisation_id}.map{|s| s.to_sym}
+
+      Client.should_receive(:put) do |anything, body|
+        body.keys.should =~ expected_fields
+        any_board_json
+      end
+
+      the_new_board = Board.new 'id' => "xxx"
+      the_new_board.save!
+    end
+
+    it "mutates the current instance" do
+      Client.stub(:put).and_return any_board_json
+
+      board = Board.new 'id' => "xxx"
+
+      the_result_of_save = board.save!
+
+      the_result_of_save.should equal board
+    end
+
+    it "uses the correct resource" do
+      expected_resource_id = "xxx_board_id_xxx"
+
+      Client.should_receive(:put) do |path, anything|
+        path.should =~ /#{expected_resource_id}\/$/
+        any_board_json
+      end
+
+      the_new_board = Board.new 'id' => expected_resource_id
+      the_new_board.save!
+    end 
+
+    it "saves OR updates depending on whether or not it has an id set"
+  end
 
   describe "Repository" do
     include Helpers
@@ -110,7 +189,7 @@ module Trello
       the_new_board = Board.create :xxx => ""
       the_new_board.should be_a Board
     end
-
+    
     it "at least name is required"
   end
 end

spec/integration/how_to_use_boards_spec.rb

@@ -13,7 +13,8 @@
 
     after do
       if @new_board and false == @new_board.closed? 
-        Client.put "/boards/#{@new_board.id }/closed", { :value => true }
+        @new_board.update_fields 'closed' => true
+        @new_board.save!
       end
     end
 
@@ -32,9 +33,12 @@
     end
 
     it "can close a board" do
-      @new_board = Board.create(:name => "An example")
+      @new_board = Board.create(:name => "[#{Time.now}, CLOSED] An example")
 
-      Client.put "/boards/#{@new_board.id}/closed", { :value => true }
+      @new_board.update_fields 'closed' => true
+      @new_board.save!
+
+      Board.find(@new_board.id).should be_closed
     end
   end
 end