Add convention to preload app before first child is forked in a slave…

…. The convention is that a file called testjour_preload.rb will get loaded if it exists.

features/run.feature

@@ -48,4 +48,9 @@ Feature: Run Features
     Then it should fail with "1 steps passed"
     And the output should contain "FAIL"
     And the output should contain "1 steps failed"
-    And it should run on 2 slaves
+    And it should run on 2 slaves
+
+  Scenario: Preload application
+    Given a file testjour_preload.rb at the root of the project that logs "Hello, world"
+    When I run `testjour passing.feature`
+    And testjour.log should include "Hello, world"

features/step_definitions/testjour_steps.rb

@@ -19,6 +19,12 @@
   FileUtils.mkdir_p full_path
 end
 
+Given /^a file testjour_preload.rb at the root of the project that logs "Hello, world"$/ do
+  File.open(File.join(@full_dir, 'testjour_preload.rb'), 'w') do |file|
+    file.puts "Testjour.logger.info 'Hello, world'"
+  end
+end
+
 When /^I run `testjour (.+)`$/ do |args|
   @args ||= []
   @args += args.split

features/support/env.rb

@@ -13,5 +13,6 @@ def be_like(expected)
 
   Dir.chdir(@full_dir) do
     File.unlink("testjour.log") if File.exists?("testjour.log")
+    File.unlink("testjour_preload.rb") if File.exists?("testjour_preload.rb")
   end
 end

lib/testjour/commands/run_slave.rb

@@ -27,6 +27,7 @@ def execute
           configuration.setup
           configuration.setup_mysql
           require_cucumber_files
+          preload_app
           work
         rescue Object => ex
           Testjour.logger.error "run:slave error: #{ex.message}"
@@ -45,7 +46,7 @@ def work
           features = load_plain_text_features(feature_file)
           parent_pid = $PID
           if @child = fork
-            Testjour.logger.info "Forked #{@child} at #{Time.now.to_i}"
+            Testjour.logger.info "Forked #{@child} to run #{feature_file}"
             Process.wait
             Testjour.logger.info "Finished running: #{feature_file}"
           else
@@ -74,6 +75,13 @@ def require_cucumber_files
       step_mother.load_code_files(configuration.cucumber_configuration.step_defs_to_load)
     end
 
+    def preload_app
+      if File.exist?('./testjour_preload.rb')
+        Testjour.logger.info 'Requiring ./testjour_preload.rb'
+        require './testjour_preload.rb'
+      end
+    end
+
     # Not every platform supports fork. Here we do our magic to
     # determine if yours does.
     def fork

spec/fixtures/testjour_preload.rb

@@ -0,0 +1 @@
+Testjour.logger.info 'Hello, world'