Added code to actually start and restart an application.

PassengerApplication.rb

@@ -26,16 +26,23 @@ def initWithFile(file)
     end
   end
 
-  # def restart(sender)
-  #   p "Restarting Rails application: #{@path}"
-  #   save_config!
-  # end
+  def start
+    p "Starting Rails application (restarting Apache): #{@path}"
+    execute '/bin/launchctl stop org.apache.httpd'
+  end
+
+  def restart(sender = nil)
+    p "Restarting Rails application: #{@path}"
+    save_config! if @dirty
+    Kernel.system("/usr/bin/touch '#{File.join(@path, 'tmp', 'restart.txt')}'")
+  end
 
   # def remove!
   #   p "remove #{self}"
   # end
 
   def save_config!
+    p "Saving configuration: #{config_path}"
     execute "/usr/bin/env ruby '#{CONFIG_INSTALLER}' '#{config_path}' '/etc/hosts' '#{@host}' '#{@path}'"
   end
 
@@ -55,4 +62,8 @@ def execute(command)
     script = NSAppleScript.alloc.initWithSource("do shell script \"#{command}\" with administrator privileges")
     script.performSelector_withObject("executeAndReturnError:", nil)
   end
+
+  def p(obj)
+    NSLog(obj.inspect)
+  end
 end

test/passenger_application_test.rb

@@ -6,6 +6,7 @@
 
   def after_setup
     @instance_to_be_tested = PassengerApplication.alloc.init
+    passenger_app.stubs(:execute)
   end
 
   it "should initialize with empty path & host" do
@@ -28,6 +29,11 @@ def after_setup
     passenger_app.setValue_forKey('het-manfreds-blog.local', 'host')
     passenger_app.setValue_forKey('/Users/het-manfred/rails code/blog', 'path')
   end
+
+  it "should start the application by restarting apache" do
+    passenger_app.expects(:execute).with('/bin/launchctl stop org.apache.httpd')
+    passenger_app.start
+  end
 end
 
 describe "PassengerApplication, in general" do
@@ -36,6 +42,8 @@ def after_setup
   def after_setup
     @vhost = File.expand_path('../fixtures/blog.vhost.conf', __FILE__)
     @instance_to_be_tested = PassengerApplication.alloc.initWithFile(@vhost)
+
+    Kernel.stubs(:system)
   end
 
   it "should parse the correct host & path from a vhost file" do
@@ -72,7 +80,7 @@ def after_setup
     assigns(:dirty).should.be true
   end
 
-  it "should not start the application if only one of host or path is entered" do
+  it "should not restart the application if only one of host or path is entered" do
     passenger_app.expects(:restart).times(0)
 
     passenger_app.setValue_forKey('', 'host')
@@ -83,4 +91,21 @@ def after_setup
     passenger_app.expects(:restart).times(1)
     passenger_app.setValue_forKey('het-manfreds-blog.local', 'host')
   end
+
+  it "should save the config before restarting if it was marked dirty" do
+    passenger_app.expects(:save_config!).times(1)
+    assigns(:dirty, true)
+    passenger_app.restart
+  end
+
+  it "should not save the config before restarting if it wasn't marked dirty" do
+    passenger_app.expects(:save_config!).times(0)
+    assigns(:dirty, false)
+    passenger_app.restart
+  end
+
+  it "should restart the application" do
+    Kernel.expects(:system).with("/usr/bin/touch '/Users/het-manfred/rails code/blog/tmp/restart.txt'")
+    passenger_app.restart
+  end
 end