added specs

spec/unit/installer/analyzer_spec.rb

@@ -88,6 +88,7 @@ module Pod
         FileUtils.mkdir_p(tmp_directory)
         FileUtils.cp_r(ROOT + 'spec/fixtures/spec-repos/test_repo/', tmp_directory)
         non_git_repo = tmp_directory + 'test_repo'
+        FileUtils.rm(non_git_repo + '.git')
 
         podfile = Podfile.new do
           platform :ios, '8.0'
@@ -661,6 +662,55 @@ module Pod
         should.raise(Informative) { analyzer.analyze }
       end
 
+      it 'raises when targets integrate the same swift pod but have different swift versions' do
+        podfile = Podfile.new do
+          source SpecHelper.test_repo_url
+          project 'SampleProject/SampleProject'
+          platform :ios, '8.0'
+          pod 'OrangeFramework'
+          target 'SampleProject'
+          target 'TestRunner'
+        end
+        podfile.target_definitions['SampleProject'].stubs(:swift_version).returns('3.0')
+        podfile.target_definitions['TestRunner'].stubs(:swift_version).returns('2.3')
+        analyzer = Pod::Installer::Analyzer.new(config.sandbox, podfile)
+        should.raise Informative do
+          analyzer.analyze
+        end.message.should.match /The following pods are integrated into Swift targets that do not have the same Swift version:/
+      end
+
+      it 'does not raise when targets integrate the same pod but only one of the targets is a swift target' do
+        podfile = Podfile.new do
+          source SpecHelper.test_repo_url
+          project 'SampleProject/SampleProject'
+          platform :ios, '8.0'
+          pod 'OrangeFramework'
+          target 'SampleProject'
+          target 'TestRunner'
+        end
+        podfile.target_definitions['SampleProject'].stubs(:swift_version).returns('3.0')
+        # when the swift version is unset at the project level, but set in one target, swift_version is nil
+        podfile.target_definitions['TestRunner'].stubs(:swift_version).returns(nil)
+        analyzer = Pod::Installer::Analyzer.new(config.sandbox, podfile)
+        lambda { analyzer.analyze }.should.not.raise
+      end
+
+      it 'does not raise when swift targets with different swift versions integrate a non-swift pod' do
+        podfile = Podfile.new do
+          source SpecHelper.test_repo_url
+          project 'SampleProject/SampleProject'
+          platform :ios, '8.0'
+          pod 'JSONKit'
+          target 'SampleProject'
+          target 'TestRunner'
+        end
+        podfile.target_definitions['SampleProject'].stubs(:swift_version).returns('3.0')
+        # when the swift version is set at the project level, but unset in one target, swift_version is empty
+        podfile.target_definitions['TestRunner'].stubs(:swift_version).returns('')
+        analyzer = Pod::Installer::Analyzer.new(config.sandbox, podfile)
+        lambda { analyzer.analyze }.should.not.raise
+      end
+
       #--------------------------------------#
 
       it 'computes the state of the Sandbox respect to the resolved dependencies' do