Made nocov_token configurable, added cuke feature for that

features/config_nocov_token.feature

@@ -0,0 +1,79 @@
+@test_unit @nocov
+Feature:
+
+  Code wrapped in # :nocov: will be ignored by coverage reports.
+  The name of the token can be configured with SimpleCov.nocov_token or SimpleCov.skip_token
+
+  Scenario: Custom nocov token using nocov_token
+    Given SimpleCov for Test/Unit is configured with:
+      """
+      require 'simplecov'
+      SimpleCov.start 'test_frameworks' do
+        nocov_token 'skippit'
+      end
+      """
+
+    Given a file named "lib/faked_project/nocov.rb" with:
+      """
+      class SourceCodeWithNocov
+        # :skippit:
+        def some_weird_code
+          never_reached
+        rescue => err
+          but no one cares about invalid ruby here
+        end
+        # :skippit:
+      end
+      """
+
+    When I open the coverage report generated with `bundle exec rake test`
+
+    Then I should see the source files:
+      | name                                    | coverage |
+      | lib/faked_project.rb                    | 100.0 %  |
+      | lib/faked_project/some_class.rb         | 80.0 %   |
+      | lib/faked_project/framework_specific.rb | 75.0 %   |
+      | lib/faked_project/meta_magic.rb         | 100.0 %  |
+      | lib/faked_project/nocov.rb              | 100.0 %  |
+
+    And there should be 5 skipped lines in the source files
+
+    And the report should be based upon:
+      | Unit Tests |
+
+  Scenario: Custom nocov token using skip_token
+    Given SimpleCov for Test/Unit is configured with:
+      """
+      require 'simplecov'
+      SimpleCov.start 'test_frameworks' do
+        skip_token 'skippit'
+      end
+      """
+
+    Given a file named "lib/faked_project/nocov.rb" with:
+      """
+      class SourceCodeWithNocov
+        # :skippit:
+        def some_weird_code
+          never_reached
+        rescue => err
+          but no one cares about invalid ruby here
+        end
+        # :skippit:
+      end
+      """
+
+    When I open the coverage report generated with `bundle exec rake test`
+
+    Then I should see the source files:
+      | name                                    | coverage |
+      | lib/faked_project.rb                    | 100.0 %  |
+      | lib/faked_project/some_class.rb         | 80.0 %   |
+      | lib/faked_project/framework_specific.rb | 75.0 %   |
+      | lib/faked_project/meta_magic.rb         | 100.0 %  |
+      | lib/faked_project/nocov.rb              | 100.0 %  |
+
+    And there should be 5 skipped lines in the source files
+
+    And the report should be based upon:
+      | Unit Tests |

features/skipping_code_blocks_manually.feature

@@ -11,7 +11,7 @@ Feature:
       SimpleCov.start 'test_frameworks'
       """
 
-  Scenario: 
+  Scenario: Plain run with a nocov'd method
     Given a file named "lib/faked_project/nocov.rb" with:
       """
       class SourceCodeWithNocov

lib/simplecov/configuration.rb

@@ -72,6 +72,19 @@ def formatter(formatter=nil)
     raise "No formatter configured. Please specify a formatter using SimpleCov.formatter = SimpleCov::Formatter::SimpleFormatter" unless @formatter
     @formatter
   end
+
+  #
+  # Certain code blocks (i.e. Ruby-implementation specific code) can be excluded from 
+  # the coverage metrics by wrapping it inside # :nocov: comment blocks. The nocov token
+  # can be configured to be any other string using this.
+  #
+  # Configure with SimpleCov.nocov_token('skip') or it's alias SimpleCov.skip_token('skip')
+  #
+  def nocov_token(nocov_token=nil)
+    return @nocov_token if @nocov_token and nocov_token.nil?
+    @nocov_token = (nocov_token || 'nocov')
+  end
+  alias_method :skip_token, :nocov_token
 
   #
   # Returns the configured groups. Add groups using SimpleCov.add_group

lib/simplecov/source_file.rb

@@ -145,7 +145,7 @@ def lines_of_code
     def process_skipped_lines!
       skipping = false
       lines.each do |line|
-        if line.src =~ /^([\s]*)#([\s]*)(\:nocov\:)/
+        if line.src =~ /^([\s]*)#([\s]*)(\:#{SimpleCov.nocov_token}\:)/
           skipping = !skipping
         else
           line.skipped! if skipping