Do not merge `pod_target_xcconfig` from test specs into non test xcconfigs

CHANGELOG.md

@@ -38,6 +38,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
   [#7036](https://github.com/CocoaPods/CocoaPods/pull/7036)
 
+* Do not merge `pod_target_xcconfig` from test specs into non test xcconfigs  
+  [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
+  [#7037](https://github.com/CocoaPods/CocoaPods/pull/7037)
+
 * Fix common paths sometimes calculating incorrectly  
   [amorde](https://github.com/amorde)
   [#7028](https://github.com/CocoaPods/CocoaPods/pull/7028)

lib/cocoapods/generator/xcconfig/pod_xcconfig.rb

@@ -66,7 +66,7 @@ module Pod
 
           XCConfigHelper.add_settings_for_file_accessors_of_target(nil, target, @xcconfig)
           target.file_accessors.each do |file_accessor|
-            @xcconfig.merge!(file_accessor.spec_consumer.pod_target_xcconfig)
+            @xcconfig.merge!(file_accessor.spec_consumer.pod_target_xcconfig) if @test_xcconfig == file_accessor.spec.test_specification?
           end
           XCConfigHelper.add_target_specific_settings(target, @xcconfig)
           recursive_dependent_targets = target.recursive_dependent_targets

spec/spec_helper.rb

@@ -127,12 +127,18 @@ end
 
 def fixture_pod_target(spec_or_name, target_definitions = [])
   spec = spec_or_name.is_a?(Pod::Specification) ? spec_or_name : fixture_spec(spec_or_name)
+  fixture_pod_target_with_specs([spec], target_definitions)
+end
+
+def fixture_pod_target_with_specs(specs, target_definitions = [])
   target_definitions << fixture_target_definition if target_definitions.empty?
-  target_definitions.each { |td| td.store_pod(spec.name) }
-  Pod::PodTarget.new([spec], target_definitions, config.sandbox).tap do |pod_target|
-    pod_target.file_accessors << fixture_file_accessor(spec, pod_target.platform)
-    consumer = spec.consumer(pod_target.platform)
-    pod_target.spec_consumers << consumer
+  target_definitions.each { |td| specs.each { |spec| td.store_pod(spec.name) } }
+  Pod::PodTarget.new(specs, target_definitions, config.sandbox).tap do |pod_target|
+    specs.each do |spec|
+      pod_target.file_accessors << fixture_file_accessor(spec, pod_target.platform)
+      consumer = spec.consumer(pod_target.platform)
+      pod_target.spec_consumers << consumer
+    end
   end
 end
 

spec/unit/generator/xcconfig/pod_xcconfig_spec.rb

@@ -142,16 +142,34 @@ module Pod
             @banana_pod_target = fixture_pod_target(@banana_spec)
 
             @coconut_spec = fixture_spec('coconut-lib/CoconutLib.podspec')
-            @coconut_pod_target = fixture_pod_target(@coconut_spec)
+            @coconut_test_spec = @coconut_spec.test_specs.first
+            @coconut_pod_target = fixture_pod_target_with_specs([@coconut_spec, @coconut_test_spec])
 
             @consumer = @coconut_pod_target.spec_consumers.first
+            @test_consumer = @coconut_pod_target.spec_consumers[1]
             @podfile = @coconut_pod_target.podfile
 
-            file_accessors = [Sandbox::FileAccessor.new(fixture('coconut-lib'), @consumer)]
+            file_accessors = [Sandbox::FileAccessor.new(fixture('coconut-lib'), @consumer), Sandbox::FileAccessor.new(fixture('coconut-lib'), @test_consumer)]
 
             @coconut_pod_target.stubs(:file_accessors).returns(file_accessors)
           end
 
+          it 'does not merge pod target xcconfig of test specifications for a non test xcconfig' do
+            @coconut_spec.pod_target_xcconfig = { 'GCC_PREPROCESSOR_DEFINITIONS' => 'NON_TEST_FLAG=1' }
+            @coconut_test_spec.pod_target_xcconfig = { 'GCC_PREPROCESSOR_DEFINITIONS' => 'TEST_ONLY=1' }
+            generator = PodXCConfig.new(@coconut_pod_target, false)
+            xcconfig = generator.generate
+            xcconfig.to_hash['GCC_PREPROCESSOR_DEFINITIONS'].should == '$(inherited) COCOAPODS=1 NON_TEST_FLAG=1'
+          end
+
+          it 'merges the pod target xcconfig of non test specifications for test xcconfigs' do
+            @coconut_spec.pod_target_xcconfig = { 'GCC_PREPROCESSOR_DEFINITIONS' => 'NON_TEST_FLAG=1' }
+            @coconut_test_spec.pod_target_xcconfig = { 'GCC_PREPROCESSOR_DEFINITIONS' => 'TEST_ONLY=1' }
+            generator = PodXCConfig.new(@coconut_pod_target, true)
+            xcconfig = generator.generate
+            xcconfig.to_hash['GCC_PREPROCESSOR_DEFINITIONS'].should == '$(inherited) COCOAPODS=1 NON_TEST_FLAG=1 TEST_ONLY=1'
+          end
+
           it 'includes correct other ld flags' do
             generator = PodXCConfig.new(@coconut_pod_target, true)
             xcconfig = generator.generate