flay_spec.rb

require File.dirname(__FILE__) + '/../spec_helper.rb'

describe Flay do 
  before :each do
    MetricFu::Flay.stub!(:verify_dependencies!).and_return(true)
  end
  describe "emit method" do
    before :each do
      MetricFu::Configuration.run {|config| config.flay = { :dirs_to_flay => ['app', 'lib']  } }
      File.stub!(:directory?).and_return(true)
      @flay = MetricFu::Flay.new('base_dir')
      
    end
    
    it "should look at the dirs" do
      Dir.should_receive(:[]).with(File.join("app", "**/*.rb")).and_return("path/to/app")
      Dir.should_receive(:[]).with(File.join("lib", "**/*.rb")).and_return("path/to/lib")
      @flay.should_receive(:`).with("flay path/to/app path/to/lib")
      output = @flay.emit
    end
  end
  
  describe "analyze method" do
    before :each do
      lines = <<-HERE
Total score (lower is better) = 246


1) IDENTICAL code found in :or (mass*2 = 68)
  app/controllers/link_targets_controller.rb:57
  app/controllers/primary_sites_controller.rb:138

2) Similar code found in :if (mass = 64)
  app/controllers/primary_sites_controller.rb:75
  app/controllers/primary_sites_controller.rb:76
  app/controllers/primary_sites_controller.rb:88
  app/controllers/primary_sites_controller.rb:89
      HERE
      MetricFu::Configuration.run {}
      File.stub!(:directory?).and_return(true)
      @flay = MetricFu::Flay.new('base_dir')
      @flay.instance_variable_set(:@output, lines)
    end
    
    it "should analyze and return matches" do
      @flay.analyze.should == [ ["Total score (lower is better) = 246"],
                                ["\n1) IDENTICAL code found in :or (mass*2 = 68)",
                                  "app/controllers/link_targets_controller.rb:57",
                                  "app/controllers/primary_sites_controller.rb:138"],
                                ["2) Similar code found in :if (mass = 64)",
                                  "app/controllers/primary_sites_controller.rb:75",
                                  "app/controllers/primary_sites_controller.rb:76",
                                  "app/controllers/primary_sites_controller.rb:88",
                                  "app/controllers/primary_sites_controller.rb:89"] ]
    end
  end
  
  describe "to_h method" do
            
    before :each do
      lines = [ ["Total score (lower is better) = 284"], 
                  ["\n1) IDENTICAL code found in :or (mass*2 = 68)", 
                    "app/controllers/link_targets_controller.rb:57", 
                    "app/controllers/primary_sites_controller.rb:138"], 
                  ["2) Similar code found in :if (mass = 64)", 
                    "app/controllers/primary_sites_controller.rb:75", 
                    "app/controllers/primary_sites_controller.rb:76", 
                    "app/controllers/primary_sites_controller.rb:88", 
                    "app/controllers/primary_sites_controller.rb:89"], 
                  ["3) Similar code found in :defn (mass = 40)", 
                    "app/controllers/link_targets_controller.rb:40", 
                    "app/controllers/primary_sites_controller.rb:98"], 
                  ["4) Similar code found in :defn (mass = 38)", 
                    "app/controllers/link_targets_controller.rb:13", 
                    "app/controllers/primary_sites_controller.rb:50"], 
                  ["5) Similar code found in :defn (mass = 38)", 
                    "app/models/primary_site.rb:104", 
                    "app/models/primary_site.rb:109"], 
                  ["6) Similar code found in :call (mass = 36)", 
                    "app/controllers/bookmarklet_integration_controller.rb:6", 
                    "app/controllers/bookmarklet_integration_controller.rb:17"]]
                    
      MetricFu::Configuration.run {}
      File.stub!(:directory?).and_return(true)
      flay = MetricFu::Flay.new('base_dir')
      flay.instance_variable_set(:@matches, lines)
      @results = flay.to_h
    end
  
    it "should find the total_score" do
      @results[:flay][:total_score].should == '284'
    end
  
    it "should have 6 matches" do
      @results[:flay][:matches].size.should == 6
    end
    
    it "should capture info for match" do
      @results[:flay][:matches].first[:reason].should =~ /IDENTICAL/
      @results[:flay][:matches].first[:matches].first[:name].should =~ /link_targets_controller/
      @results[:flay][:matches].first[:matches].first[:line].should == "57"
    end
  end
end