fixed cucumber feature loading to support more than one feature file per runner

hydra.gemspec

@@ -9,7 +9,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Nick Gauthier"]
-  s.date = %q{2010-03-30}
+  s.date = %q{2010-03-31}
   s.description = %q{Spread your tests over multiple machines to test your code faster.}
   s.email = %q{nick@smartlogicsolutions.com}
   s.extra_rdoc_files = [
@@ -54,6 +54,7 @@ Gem::Specification.new do |s|
      "test/fixtures/assert_true.rb",
      "test/fixtures/config.yml",
      "test/fixtures/features/step_definitions.rb",
+     "test/fixtures/features/write_alternate_file.feature",
      "test/fixtures/features/write_file.feature",
      "test/fixtures/hello_world.rb",
      "test/fixtures/slow.rb",

lib/hydra/cucumber/formatter.rb

@@ -1,5 +1,4 @@
-require 'cucumber/formatter/console'
-require 'cucumber/formatter/io'
+require 'cucumber/formatter/progress'
 
 module Cucumber #:nodoc:
   module Formatter #:nodoc:

lib/hydra/runner.rb

@@ -44,6 +44,7 @@ module Hydra #:nodoc:
       output = "." if output == ""
 
       @io.write Results.new(:output => output, :file => file)
+      return output
     end
 
     # Stop running
@@ -114,48 +115,38 @@ module Hydra #:nodoc:
 
     # run all the scenarios in a cucumber feature file
     def run_cucumber_file(file)
-      require 'cucumber'
-      require 'cucumber/formatter/progress'
-      require 'hydra/cucumber/formatter'
-      def tag_excess(features, limits)
-        limits.map do |tag_name, tag_limit|
-          tag_locations = features.tag_locations(tag_name)
-          if tag_limit && (tag_locations.length > tag_limit)
-            [tag_name, tag_limit, tag_locations]
-          else
-            nil
-          end
-        end.compact
-      end
 
       files = [file]
       dev_null = StringIO.new
-
-      options = Cucumber::Cli::Options.new
-      configuration = Cucumber::Cli::Configuration.new(dev_null, dev_null)
-      configuration.parse!([]+files)
-      step_mother = Cucumber::StepMother.new
-
-      step_mother.options = configuration.options
-      step_mother.log = configuration.log
-      step_mother.load_code_files(configuration.support_to_load)
-      step_mother.after_configuration(configuration)
-      features = step_mother.load_plain_text_features(files)
-      step_mother.load_code_files(configuration.step_defs_to_load)
-
-      tag_excess = tag_excess(features, configuration.options[:tag_expression].limits)
-      configuration.options[:tag_excess] = tag_excess
-
       hydra_response = StringIO.new
-      formatter = Cucumber::Formatter::Hydra.new(
-        step_mother, hydra_response, configuration.options
+
+      unless @step_mother
+        require 'cucumber'
+        require 'hydra/cucumber/formatter'
+        @step_mother = Cucumber::StepMother.new
+        @cuke_configuration = Cucumber::Cli::Configuration.new(dev_null, dev_null)
+        @cuke_configuration.parse!(['features']+files)
+
+        @step_mother.options = @cuke_configuration.options
+        @step_mother.log = @cuke_configuration.log
+        @step_mother.load_code_files(@cuke_configuration.support_to_load)
+        @step_mother.after_configuration(@cuke_configuration)
+        @step_mother.load_code_files(@cuke_configuration.step_defs_to_load)
+      end
+      cuke_formatter = Cucumber::Formatter::Hydra.new(
+        @step_mother, hydra_response, @cuke_configuration.options
       )
 
-      runner = Cucumber::Ast::TreeWalker.new(
-        step_mother, [formatter], configuration.options, dev_null
+      cuke_runner ||= Cucumber::Ast::TreeWalker.new(
+        @step_mother, [cuke_formatter], @cuke_configuration.options, dev_null
       )
-      step_mother.visitor = runner
-      runner.visit_features(features)
+      @step_mother.visitor = cuke_runner
+
+      features = @step_mother.load_plain_text_features(files)
+      tag_excess = tag_excess(features, @cuke_configuration.options[:tag_expression].limits)
+      @cuke_configuration.options[:tag_excess] = tag_excess
+
+      cuke_runner.visit_features(features)
 
       hydra_response.rewind
       return hydra_response.read
@@ -184,5 +175,17 @@ module Hydra #:nodoc:
       end
       return klasses.select{|k| k.respond_to? 'suite'}
     end
+
+    # Yanked a method from Cucumber
+    def tag_excess(features, limits)
+      limits.map do |tag_name, tag_limit|
+        tag_locations = features.tag_locations(tag_name)
+        if tag_limit && (tag_locations.length > tag_limit)
+          [tag_name, tag_limit, tag_locations]
+        else
+          nil
+        end
+      end.compact
+    end
   end
 end

test/fixtures/features/step_definitions.rb

@@ -2,6 +2,10 @@ Given /^a target file$/ do
   @target_file = File.expand_path(File.join(Dir.tmpdir, 'hydra_test.txt'))
 end
 
+Given /^an alternate target file$/ do
+  @target_file = File.expand_path(File.join(Dir.tmpdir, 'alternate_hydra_test.txt'))
+end
+
 When /^I write "([^\"]*)" to the file$/ do |text|
   f = File.new(@target_file, 'w')
   f.write text

test/fixtures/features/write_alternate_file.feature

@@ -0,0 +1,7 @@
+Feature: Write a file
+
+  Scenario: Write to hydra_test.txt
+    Given an alternate target file
+    When I write "HYDRA" to the file
+    Then "HYDRA" should be written in the file
+

test/runner_test.rb

@@ -5,10 +5,12 @@ class RunnerTest < Test::Unit::TestCase
     setup do
       sleep(0.2)
       FileUtils.rm_f(target_file)
+      FileUtils.rm_f(alternate_target_file)
     end
 
     teardown do
       FileUtils.rm_f(target_file)
+      FileUtils.rm_f(alternate_target_file)
     end
 
 
@@ -35,13 +37,22 @@ class RunnerTest < Test::Unit::TestCase
       Process.wait(child)
     end
 
-    should "run a cucumber test" do
-      pipe = Hydra::Pipe.new
-      parent = Process.fork do
-        request_a_file_and_verify_completion(pipe, cucumber_feature_file)
-      end
-      run_the_runner(pipe)
-      Process.wait(parent)
+    should "run two cucumber tests" do
+      puts "THE FOLLOWING WARNINGS CAN BE IGNORED"
+      puts "It is caused by Cucumber loading all rb files near its features"
+
+      runner = Hydra::Runner.new(:io => File.new('/dev/null', 'w'))
+      runner.run_file(cucumber_feature_file)
+      assert File.exists?(target_file)
+      assert_equal "HYDRA", File.read(target_file)
+      
+      FileUtils.rm_f(target_file)
+      
+      runner.run_file(alternate_cucumber_feature_file)
+      assert File.exists?(alternate_target_file)
+      assert_equal "HYDRA", File.read(alternate_target_file)
+      
+      puts "END IGNORABLE OUTPUT"
     end
 
     should "be able to run a runner over ssh" do
@@ -80,6 +91,7 @@ class RunnerTest < Test::Unit::TestCase
       
       # grab its response. This makes us wait for it to finish
       response = pipe.gets
+      puts response.output
       
       # tell it to shut down
       pipe.write(Hydra::Messages::Worker::Shutdown.new)

test/test_helper.rb

@@ -15,6 +15,10 @@ class Test::Unit::TestCase
     File.expand_path(File.join(Dir.tmpdir, 'hydra_test.txt'))
   end
   
+  def alternate_target_file
+    File.expand_path(File.join(Dir.tmpdir, 'alternate_hydra_test.txt'))
+  end
+
   def test_file
     File.expand_path(File.join(File.dirname(__FILE__), 'fixtures', 'write_file.rb'))
   end
@@ -22,6 +26,10 @@ class Test::Unit::TestCase
   def cucumber_feature_file
     File.expand_path(File.join(File.dirname(__FILE__), 'fixtures', 'features', 'write_file.feature'))
   end
+
+  def alternate_cucumber_feature_file
+    File.expand_path(File.join(File.dirname(__FILE__), 'fixtures', 'features', 'write_alternate_file.feature'))
+  end
 end
 
 module Hydra #:nodoc: