Add new outline expand feature to the JSON formatter

lib/cucumber/formatter/gherkin_formatter_adapter.rb

@@ -6,9 +6,10 @@ module Formatter
     # Adapts Cucumber formatter events to Gherkin formatter events
     # This class will disappear when Cucumber is based on Gherkin's model.
     class GherkinFormatterAdapter
-      def initialize(gherkin_formatter, print_empty_match)
+      def initialize(gherkin_formatter, print_empty_match, options)
         @gf = gherkin_formatter
         @print_empty_match = print_empty_match
+        @options = options
       end
 
       def before_feature(feature)
@@ -28,14 +29,42 @@ def before_feature_element(feature_element)
           @gf.scenario(feature_element.gherkin_statement)
         when Ast::ScenarioOutline
           @outline = true
-          @gf.scenario_outline(feature_element.gherkin_statement)
+          if @options[:expand]
+            @current_scenario_hash = to_hash(feature_element.gherkin_statement)
+          else
+            @gf.scenario_outline(feature_element.gherkin_statement)
+          end
         else
           raise "Bad type: #{feature_element.class}"
         end
       end
 
+      def scenario_name(keyword, name, file_colon_line, source_indent)
+        if @outline and @options[:expand]
+          @example_row = @example_row ? @example_row + 1 : 0
+          if in_instantiated_scenario?
+            example_row_hash = @current_example_rows[@example_row].to_hash
+            scenario = Gherkin::Formatter::Model::Scenario.new(
+                @current_scenario_hash['comments'],
+                @current_scenario_hash['tags'],
+                @current_scenario_hash['keyword'],
+                @current_scenario_hash['name'],
+                @current_scenario_hash['description'],
+                example_row_hash['line'],
+                example_row_hash['id'])
+            @gf.scenario(scenario)
+          end
+        end
+      end
+
       def before_step(step)
-        @gf.step(step.gherkin_statement)
+        unless @outline and @options[:expand]
+          @gf.step(step.gherkin_statement)
+        else 
+          if in_instantiated_scenario?
+            @current_step_hash = to_hash(step.gherkin_statement)
+          end
+        end
         if @print_empty_match
           if(@outline)
             match = Gherkin::Formatter::Model::Match.new(step.gherkin_statement.outline_args, nil)
@@ -55,23 +84,50 @@ def before_step_result(keyword, step_match, multiline_arg, status, exception, so
           # Trick the formatter to believe that's what was printed previously so we get arg highlights on #result
           @gf.instance_variable_set('@match', match)
         else
-          @gf.match(match)
+          unless @outline and @options[:expand]
+            @gf.match(match)
+          end
         end
 
         error_message = exception ? "#{exception.message} (#{exception.class})\n#{exception.backtrace.join("\n")}" : nil
         unless @outline
           @gf.result(Gherkin::Formatter::Model::Result.new(status, nil, error_message))
+        else
+          if @options[:expand] and in_instantiated_scenario?
+            @current_match = match
+            @current_result = Gherkin::Formatter::Model::Result.new(status, nil, error_message)
+          end
+        end
+      end
+
+      def step_name(keyword, step_match, status, source_indent, background, file_colon_line)
+        if @outline and @options[:expand] and in_instantiated_scenario?
+          @gf.step(Gherkin::Formatter::Model::Step.new(
+              @current_step_hash['comments'],
+              @current_step_hash['keyword'],
+              step_match.format_args(),
+              @current_step_hash['line'],
+              @current_step_hash['rows'],
+              @current_step_hash['doc_string']))
+          @gf.match(@current_match)
+          @gf.result(@current_result)
         end
       end
 
       def before_examples(examples)
-        @gf.examples(examples.gherkin_statement)
+        unless @options[:expand]
+          @gf.examples(examples.gherkin_statement)
+        else
+          @current_example_rows = to_hash(examples.gherkin_statement)['rows']
+        end
       end
 
       #used for capturing duration
       def after_step(step)
         step_finish = (Time.now - @step_time)
-        @gf.append_duration(step_finish)
+        unless @outline and @options[:expand] and not in_instantiated_scenario?
+          @gf.append_duration(step_finish)
+        end
       end
 
       def after_feature(feature)
@@ -93,6 +149,20 @@ def embed(file, mime_type, label)
       def puts(message)
         @gf.write(message)
       end
+
+      private
+
+      def in_instantiated_scenario?
+        @example_row > 0
+      end
+
+      def to_hash(gherkin_statement)
+        if defined?(JRUBY_VERSION)
+          gherkin_statement.toMap()
+        else
+          gherkin_statement.to_hash
+        end
+      end
     end
   end
 end

lib/cucumber/formatter/json.rb

@@ -11,7 +11,7 @@ class Json < GherkinFormatterAdapter
 
       def initialize(runtime, io, options)
         @io = ensure_io(io, "json")
-        super(Gherkin::Formatter::JSONFormatter.new(@io), false)
+        super(Gherkin::Formatter::JSONFormatter.new(@io), false, options)
       end
     end
   end