Added first test for masked smells

lib/reek/report.rb

@@ -7,6 +7,7 @@ class Report
     include Enumerable
 
     def initialize(sniffer = nil)  # :nodoc:
+      @masked_smells = 0
       @report = SortedSet.new
       sniffer.report_on(self) if sniffer
     end
@@ -22,6 +23,14 @@ def <<(smell)  # :nodoc:
       @report << smell
       true
     end
+
+    def record_masked_smell(smell)
+      @masked_smells += 1
+    end
+
+    def num_masked_smells
+      @masked_smells
+    end
 
     def empty?
       @report.empty?

lib/reek/smells/smell_detector.rb

@@ -44,6 +44,11 @@ def initialize(config)
         @enabled = config[ENABLED_KEY]
         @exceptions = config[EXCLUDE_KEY]
         @smells_found = []
+        @masked = false
+      end
+
+      def be_masked
+        @masked = true
       end
 
       def examine(context)
@@ -67,7 +72,13 @@ def found(scope, warning)
       end
 
       def report_on(report)
-        @smells_found.each {|smell| report << smell}
+        @smells_found.each do |smell|
+          if @masked
+            report.record_masked_smell(smell)
+          else
+            report << smell
+          end
+        end
       end
 
       def smell_name

spec/reek/smells/smell_detector_spec.rb

@@ -0,0 +1,23 @@
+require File.dirname(__FILE__) + '/../../spec_helper.rb'
+
+require 'reek/report'
+require 'reek/smells/duplication'
+
+include Reek
+include Reek::Smells
+
+describe SmellDetector, 'when masked' do
+  before(:each) do
+    @detector = Duplication.new
+    @detector.be_masked
+    @detector.found(nil, 'help')
+  end
+
+  it 'reports smells as masked' do
+    rpt = Report.new
+    @detector.report_on(rpt)
+    rpt.length.should == 0
+    rpt.num_masked_smells.should == 1
+  end
+end
+