Do not symlink headers that belong to test specs

CHANGELOG.md

@@ -28,6 +28,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [chuganzy](https://github.com/chuganzy)
   [#7724](https://github.com/CocoaPods/CocoaPods/pull/7724)
 
+* Do not symlink headers that belong to test specs  
+  [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
+  [#7762](https://github.com/CocoaPods/CocoaPods/pull/7762)
+
 * Do not build pod target if it only contains script phases  
   [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
   [#7746](https://github.com/CocoaPods/CocoaPods/issues/7746)

lib/cocoapods/installer/xcode/pods_project_generator/file_references_installer.rb

@@ -144,7 +144,8 @@ module Pod
                 added_build_headers = false
                 added_public_headers = false
 
-                pod_target.file_accessors.each do |file_accessor|
+                file_accessors = pod_target.file_accessors.reject { |fa| fa.spec.test_specification? }
+                file_accessors.each do |file_accessor|
                   # Private headers will always end up in Pods/Headers/Private/PodA/*.h
                   # This will allow for `""` imports to work.
                   header_mappings(headers_sandbox, file_accessor, file_accessor.headers).each do |namespaced_path, files|

spec/unit/installer/xcode/pods_project_generator/file_references_installer_spec.rb

@@ -114,13 +114,29 @@ module Pod
               )
             end
 
-            it "doesn't link public headers from vendored framework, when frameworks required" do
-              Target.any_instance.stubs(:requires_frameworks?).returns(true)
+            it 'does not link public headers from vendored framework, when frameworks required' do
+              @pod_target.stubs(:requires_frameworks?).returns(true)
               @installer.install!
               headers_root = config.sandbox.public_headers.root
               framework_header = headers_root + 'BananaLib/Bananalib/Bananalib.h'
               framework_header.should.not.exist
             end
+
+            it 'does not symlink headers that belong to test specs' do
+              coconut_spec = fixture_spec('coconut-lib/CoconutLib.podspec')
+              coconut_test_spec = coconut_spec.test_specs.first
+              coconut_pod_target = fixture_pod_target_with_specs([coconut_spec, coconut_test_spec], false)
+              public_headers_root = config.sandbox.public_headers.root
+              private_headers_root = coconut_pod_target.build_headers.root
+              project = Project.new(config.sandbox.project_path)
+              project.add_pod_group('CoconutLib', fixture('coconut-lib'))
+              installer = FileReferencesInstaller.new(config.sandbox, [coconut_pod_target], project)
+              installer.install!
+              (public_headers_root + 'CoconutLib/Coconut.h').should.exist
+              (public_headers_root + 'CoconutLib/CoconutTestHeader.h').should.not.exist
+              (private_headers_root + 'CoconutLib/Coconut.h').should.exist
+              (private_headers_root + 'CoconutLib/CoconutTestHeader.h').should.not.exist
+            end
           end
 
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