When generating the PodsDummy class, make that class unique to each target by…

When generating the PodsDummy class, make that class unique to each target by using the Target Definition's label.

lib/cocoapods/generator/dummy_source.rb

 module Pod
   module Generator
     class DummySource
+      attr_reader :class_name
+
+      def initialize(class_name_identifier)
+        validated_class_name_identifier = class_name_identifier.gsub(/[^0-9a-z_]/i, '_')
+        @class_name = "PodsDummy_#{validated_class_name_identifier}"
+      end
+
       def save_as(pathname)
         pathname.open('w') do |source|
-          source.puts "@interface PodsDummy : NSObject"
+          source.puts "@interface #{class_name} : NSObject"
           source.puts "@end"
-          source.puts "@implementation PodsDummy"
+          source.puts "@implementation #{class_name}"
           source.puts "@end"
         end
       end

lib/cocoapods/installer.rb

@@ -107,10 +107,10 @@ module Pod
         acknowledgements_path = target_installer.target_definition.acknowledgements_path
         Generator::Acknowledgements.new(target_installer.target_definition,
                                         pods_for_target).save_as(acknowledgements_path)
+        generate_dummy_source(target_installer)
       end
 
       generate_lock_file!(specifications)
-      generate_dummy_source
 
       puts "- Running post install hooks" if config.verbose?
       # Post install hooks run _before_ saving of project, so that they can alter it before saving.
@@ -172,17 +172,17 @@ module Pod
       end
     end
 
-    def generate_dummy_source
-      filename = "PodsDummy.m"
+    def generate_dummy_source(target_installer)
+      class_name_identifier = target_installer.target_definition.label
+      dummy_source = Generator::DummySource.new(class_name_identifier)
+      filename = "#{dummy_source.class_name}.m"
       pathname = Pathname.new(sandbox.root + filename)
-      Generator::DummySource.new.save_as(pathname)
+      dummy_source.save_as(pathname)
 
       project_file = project.files.new('path' => filename)
       project.group("Targets Support Files") << project_file
 
-      target_installers.each do |target_installer|
-        target_installer.target.source_build_phases.first << project_file
-      end
+      target_installer.target.source_build_phases.first << project_file
     end
 
     def specs_by_target

spec/integration_spec.rb

@@ -114,8 +114,31 @@ else
           installer = SpecHelper::Installer.new(podfile)
           installer.install!
 
-          dummy = (config.project_pods_root + 'PodsDummy.m').read
-          dummy.should.include?('@implementation PodsDummy')
+          dummy = (config.project_pods_root + 'PodsDummy_Pods.m').read
+          dummy.should.include?('@implementation PodsDummy_Pods')
+        end
+
+        it "installs a dummy source file unique to the target" do
+          create_config!
+          podfile = Pod::Podfile.new do
+            self.platform :ios
+            xcodeproj 'dummy'
+            pod do |s|
+              s.name         = 'JSONKit'
+              s.version      = '1.2'
+              s.source       = { :git => SpecHelper.fixture('integration/JSONKit').to_s, :tag => 'v1.2' }
+              s.source_files = 'JSONKit.*'
+            end
+            target :AnotherTarget do
+              pod 'ASIHTTPRequest'
+            end
+          end
+
+          installer = SpecHelper::Installer.new(podfile)
+          installer.install!
+
+          dummy = (config.project_pods_root + 'PodsDummy_Pods_AnotherTarget.m').read
+          dummy.should.include?('@implementation PodsDummy_Pods_AnotherTarget')
         end
 
         it "installs a library with a podspec defined inline" do

spec/unit/generator/dummy_source_spec.rb

@@ -11,15 +11,28 @@ describe Pod::Generator::DummySource do
     teardown_temporary_directory
   end
 
-  it "generates a dummy sourcefile with the appropriate class" do
-    generator = Pod::Generator::DummySource.new
+  it "generates a dummy sourcefile with the appropriate class for the class name identifier" do
+    generator = Pod::Generator::DummySource.new('SomeIdentification')
     file = temporary_directory + 'PodsDummy.m'
     generator.save_as(file)
     file.read.should == <<-EOS
-@interface PodsDummy : NSObject
+@interface PodsDummy_SomeIdentification : NSObject
 @end
-@implementation PodsDummy
+@implementation PodsDummy_SomeIdentification
 @end
 EOS
   end
+
+it "generates a dummy sourcefile with the appropriate class, replacing non-alphanumeric characters with underscores" do
+  generator = Pod::Generator::DummySource.new('This!has_non-alphanumeric+characters in it.0123456789')
+  file = temporary_directory + 'PodsDummy.m'
+  generator.save_as(file)
+  file.read.should == <<-EOS
+@interface PodsDummy_This_has_non_alphanumeric_characters_in_it_0123456789 : NSObject
+@end
+@implementation PodsDummy_This_has_non_alphanumeric_characters_in_it_0123456789
+@end
+EOS
+  end
+
 end