erd_spec.rb

   1 require 'spec_helper'
   2
   3 module ErdHandler
   4   describe Erd do
   5     let(:input) { double('input').as_null_object }
   6     let(:output) { double('output').as_null_object }
   7     let(:erd) { Erd.new(input, output) }
   8
   9     describe "#initialize" do
  10       it "creates an empty ERD" do
  11         erd = Erd.new
  12         erd.mark.should be_nil
  13         erd.should have(0).vertices
  14         erd.should have(0).edges
  15       end
  16
  17       it "reads and creates a single box" do
  18         erd = Erd.new(File.new("spec/fixtures/single_box_erd.xml"))
  19         erd.mark.should == 6.5
  20         erd.should have(1).vertices
  21         erd.should have(0).edges
  22       end
  23
  24       it "reads and creates two boxes with an edge joining them" do
  25         erd = Erd.new(File.new("spec/fixtures/two_boxes_one_link_erd.xml"))
  26         erd.mark.should == 4.5
  27         erd.should have(2).vertices
  28         erd.should have(1).edges
  29
  30         erd.vertices[0].neighbours.should include(erd.vertices[1])
  31         erd.vertices[1].neighbours.should include(erd.vertices[0])
  32       end
  33
  34       it "reads and creates a box with a self-loop"
  35     end # #initialize
  36   end
  37 end