default process concurrency is 0 when concurrency options specified, otherwise default concurrency is 1

lib/foreman/utils.rb

@@ -5,7 +5,10 @@ class Foreman::Utils
   def self.parse_concurrency(concurrency)
     begin
       pairs = concurrency.to_s.gsub(/\s/, "").split(",")
-      pairs.inject(Hash.new(1)) do |hash, pair|
+      
+      default = concurrency.nil? ? 1 : 0
+      
+      pairs.inject(Hash.new(default)) do |hash, pair|
         process, amount = pair.split("=")
         hash.update(process => amount.to_i)        
       end

spec/foreman/engine_spec.rb

@@ -35,7 +35,6 @@ describe "Foreman::Engine" do
       engine = Foreman::Engine.new("Procfile",:concurrency => "alpha=2")
       mock(engine).fork_individual(engine.procfile["alpha"], 1, 5000)
       mock(engine).fork_individual(engine.procfile["alpha"], 2, 5001)
-      mock(engine).fork_individual(engine.procfile["bravo"], 1, 5100)
       mock(engine).watch_for_termination
       engine.start
     end

spec/foreman/export/bluepill_spec.rb

@@ -12,9 +12,14 @@ describe Foreman::Export::Bluepill do
   before(:each) { stub(bluepill).say }
 
   it "exports to the filesystem" do
-    bluepill.export("/tmp/init", :concurrency => "alpha=2")
+    bluepill.export("/tmp/init")
     
     File.read("/tmp/init/app.pill").should == example_export_file("bluepill/app.pill")
   end
 
+  it "exports to the filesystem with concurrency" do
+    bluepill.export("/tmp/init", :concurrency => "alpha=2")
+    
+    File.read("/tmp/init/app.pill").should == example_export_file("bluepill/app-concurrency.pill")
+  end
 end

spec/foreman/export/upstart_spec.rb

@@ -12,14 +12,23 @@ describe Foreman::Export::Upstart do
   before(:each) { stub(upstart).say }
 
   it "exports to the filesystem" do
+    upstart.export("/tmp/init")
+
+    File.read("/tmp/init/app.conf").should         == example_export_file("upstart/app.conf")
+    File.read("/tmp/init/app-alpha.conf").should   == example_export_file("upstart/app-alpha.conf")
+    File.read("/tmp/init/app-alpha-1.conf").should == example_export_file("upstart/app-alpha-1.conf")
+    File.read("/tmp/init/app-bravo.conf").should   == example_export_file("upstart/app-bravo.conf")
+    File.read("/tmp/init/app-bravo-1.conf").should == example_export_file("upstart/app-bravo-1.conf")
+  end
+
+  it "exports to the filesystem with concurrency" do
     upstart.export("/tmp/init", :concurrency => "alpha=2")
 
     File.read("/tmp/init/app.conf").should         == example_export_file("upstart/app.conf")
     File.read("/tmp/init/app-alpha.conf").should   == example_export_file("upstart/app-alpha.conf")
     File.read("/tmp/init/app-alpha-1.conf").should == example_export_file("upstart/app-alpha-1.conf")
     File.read("/tmp/init/app-alpha-2.conf").should == example_export_file("upstart/app-alpha-2.conf")
-    File.read("/tmp/init/app-bravo.conf").should   == example_export_file("upstart/app-bravo.conf")
-    File.read("/tmp/init/app-bravo-1.conf").should == example_export_file("upstart/app-bravo-1.conf")
+    File.exists?("/tmp/init/app-bravo-1.conf").should == false
   end
 
   context "with alternate templates" do

spec/resources/export/bluepill/app-concurrency.pill

@@ -0,0 +1,47 @@
+Bluepill.application("app", :foreground => false, :log_file => "/var/log/bluepill.log") do |app|
+
+  app.uid = "app"
+  app.gid = "app"
+
+
+
+
+  app.process("alpha-1") do |process|
+    process.start_command = "./alpha"
+
+    process.working_dir = "/tmp/app"
+    process.daemonize = true
+    process.environment = {"PORT" => "5000"}
+    process.stop_signals = [:quit, 30.seconds, :term, 5.seconds, :kill]
+
+    process.stdout = process.stderr = "/var/log/app/app-alpha-1.log"
+
+    process.monitor_children do |children|
+      children.stop_command "kill -QUIT {{PID}}"
+    end
+    
+    process.group = "app-alpha"
+  end
+
+
+  app.process("alpha-2") do |process|
+    process.start_command = "./alpha"
+
+    process.working_dir = "/tmp/app"
+    process.daemonize = true
+    process.environment = {"PORT" => "5001"}
+    process.stop_signals = [:quit, 30.seconds, :term, 5.seconds, :kill]
+
+    process.stdout = process.stderr = "/var/log/app/app-alpha-2.log"
+
+    process.monitor_children do |children|
+      children.stop_command "kill -QUIT {{PID}}"
+    end
+    
+    process.group = "app-alpha"
+  end
+
+
+
+
+end

spec/resources/export/bluepill/app.pill

@@ -24,24 +24,6 @@ Bluepill.application("app", :foreground => false, :log_file => "/var/log/bluepil
   end
 
 
-  app.process("alpha-2") do |process|
-    process.start_command = "./alpha"
-
-    process.working_dir = "/tmp/app"
-    process.daemonize = true
-    process.environment = {"PORT" => "5001"}
-    process.stop_signals = [:quit, 30.seconds, :term, 5.seconds, :kill]
-
-    process.stdout = process.stderr = "/var/log/app/app-alpha-2.log"
-
-    process.monitor_children do |children|
-      children.stop_command "kill -QUIT {{PID}}"
-    end
-    
-    process.group = "app-alpha"
-  end
-
-
 
 
   app.process("bravo-1") do |process|