Contents

require 'stringio'
require "spec_helper"
require "graphshaper/adapters/sql_adapter"

describe Graphshaper::SqlAdapter do
  before :each do
    @schema_file = StringIO.new
    @vertex_file = StringIO.new
    @edge_file = StringIO.new
  end
  
  describe "generated files" do
    before :each do
      @sql_adapter = Graphshaper::SqlAdapter.new @schema_file, @vertex_file, @edge_file
    end
    
    it "should write the schema to the file" do
      schema_string = @schema_file.string
      
      File.readlines("templates/schema.sql").each do |schema_line|
        schema_string.should include(schema_line)
      end
    end
    
    it "should write the vertices to the file" do
      @sql_adapter.add_vertex(0)
      @sql_adapter.add_vertex(1)
      @sql_adapter.close
      
      vertex_string = @vertex_file.string
      
      vertex_string.should include("	(1,0),\n")
      vertex_string.should include("	(2,1);\n")
    end
    
    it "should write the vertices to the file" do
      @sql_adapter.add_edge(0,5,6)
      @sql_adapter.add_edge(1,7,8)
      @sql_adapter.close
      
      edge_string = @edge_file.string
      
      edge_string.should include("	(1,0,6,7),\n")
      edge_string.should include("	(2,1,8,9);\n")
    end
  end
  
  it "should close the three files" do
    @schema_file.should_receive(:close)
    @edge_file.should_receive(:close)
    @vertex_file.should_receive(:close)
      
    sql_adapter = Graphshaper::SqlAdapter.new @schema_file, @vertex_file, @edge_file
    sql_adapter.close
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
graphshaper-0.2.4	spec/adapters/sql_adapter_spec.rb
graphshaper-0.2.3	spec/adapters/sql_adapter_spec.rb