Set the test xcconfig file to resource bundles used only by tests

CHANGELOG.md

@@ -27,6 +27,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
 
 ##### Bug Fixes
 
+* Set the test xcconfig file to resource bundles used only by tests  
+  [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
+  [#6886](https://github.com/CocoaPods/CocoaPods/pull/6886)
+
 * Integrate test targets to embed frameworks and resources  
   [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
   [#6828](https://github.com/CocoaPods/CocoaPods/pull/6828)

lib/cocoapods/generator/xcconfig/xcconfig_helper.rb

@@ -280,7 +280,7 @@ module Pod
             CONFIGURATION_BUILD_DIR_VARIABLE[1..-1] => "#{BUILD_DIR_VARIABLE}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)",
           }
 
-          # Scope pod targets
+          # Scope pod targets as long as they are not test targets.
           if !test_xcconfig && target.respond_to?(:configuration_build_dir)
             build_settings['CONFIGURATION_BUILD_DIR'] = target.configuration_build_dir(CONFIGURATION_BUILD_DIR_VARIABLE)
           end

lib/cocoapods/installer/xcode/pods_project_generator.rb

@@ -290,7 +290,8 @@ module Pod
         end
 
         def add_resource_bundles_to_native_target(dependent_target, native_target)
-          dependent_target.resource_bundle_targets.each do |resource_bundle_target|
+          resource_bundle_targets = dependent_target.resource_bundle_targets + dependent_target.test_resource_bundle_targets
+          resource_bundle_targets.each do |resource_bundle_target|
             native_target.add_dependency(resource_bundle_target)
           end
         end

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

@@ -234,7 +234,13 @@ module Pod
                 end
                 bundle_target.deployment_target = deployment_target
 
-                target.resource_bundle_targets << bundle_target
+                test_specification = file_accessor.spec.test_specification?
+
+                if test_specification
+                  target.test_resource_bundle_targets << bundle_target
+                else
+                  target.resource_bundle_targets << bundle_target
+                end
 
                 if target.should_build?
                   native_target.add_dependency(bundle_target)
@@ -255,7 +261,12 @@ module Pod
                   c.build_settings['PRODUCT_NAME'] = bundle_name
                   relative_info_plist_path = info_plist_path.relative_path_from(sandbox.root)
                   c.build_settings['INFOPLIST_FILE'] = relative_info_plist_path.to_s
-                  c.build_settings['CONFIGURATION_BUILD_DIR'] = target.configuration_build_dir('$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)')
+                  # Do not set the CONFIGURATION_BUILD_DIR for resource bundles that are only meant for test targets.
+                  # This is because the test target itself also does not set this configuration build dir and it expects
+                  # all bundles to be copied from the default path.
+                  unless test_specification
+                    c.build_settings['CONFIGURATION_BUILD_DIR'] = target.configuration_build_dir('$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)')
+                  end
 
                   # Set the correct device family for this bundle, based on the platform
                   device_family_by_platform = {
@@ -286,12 +297,8 @@ module Pod
               c.base_configuration_reference = xcconfig_file_ref
             end
 
-            # also apply the private config to resource targets
-            target.resource_bundle_targets.each do |rsrc_target|
-              rsrc_target.build_configurations.each do |rsrc_bc|
-                rsrc_bc.base_configuration_reference = xcconfig_file_ref
-              end
-            end
+            # also apply the private config to resource bundle targets.
+            apply_xcconfig_file_ref_to_resource_bundle_targets(target.resource_bundle_targets, xcconfig_file_ref)
           end
 
           # Generates the contents of the xcconfig file used for each test target type and saves it to disk.
@@ -311,6 +318,9 @@ module Pod
                   test_target_bc.base_configuration_reference = xcconfig_file_ref
                 end
               end
+
+              # also apply the private config to resource bundle test targets.
+              apply_xcconfig_file_ref_to_resource_bundle_targets(target.test_resource_bundle_targets, xcconfig_file_ref)
             end
           end
 
@@ -469,6 +479,14 @@ module Pod
             group.new_file(path)
           end
 
+          def apply_xcconfig_file_ref_to_resource_bundle_targets(resource_bundle_targets, xcconfig_file_ref)
+            resource_bundle_targets.each do |rsrc_target|
+              rsrc_target.build_configurations.each do |rsrc_bc|
+                rsrc_bc.base_configuration_reference = xcconfig_file_ref
+              end
+            end
+          end
+
           def create_module_map
             return super unless custom_module_map
             path = target.module_map_path

lib/cocoapods/target/pod_target.rb

@@ -56,6 +56,7 @@ module Pod
       @build_headers  = Sandbox::HeadersStore.new(sandbox, 'Private')
       @file_accessors = []
       @resource_bundle_targets = []
+      @test_resource_bundle_targets = []
       @test_native_targets = []
       @dependent_targets = []
       @test_dependent_targets = []
@@ -149,6 +150,10 @@ module Pod
     #         to this target.
     attr_reader :resource_bundle_targets
 
+    # @return [Array<PBXNativeTarget>] the resource bundle test targets belonging
+    #         to this target.
+    attr_reader :test_resource_bundle_targets
+
     # @return [Bool] Whether or not this target should be build.
     #
     # A target should not be build if it has no source files.
@@ -231,7 +236,9 @@ module Pod
           accessor.resources.flat_map { |res| "${PODS_ROOT}/#{res.relative_path_from(sandbox.project.path.dirname)}" }
         end
         resource_bundles = file_accessors.flat_map do |accessor|
-          accessor.resource_bundles.keys.map { |name| "#{configuration_build_dir}/#{name.shellescape}.bundle" }
+          prefix = Generator::XCConfig::XCConfigHelper::CONFIGURATION_BUILD_DIR_VARIABLE
+          prefix = configuration_build_dir unless accessor.spec.test_specification?
+          accessor.resource_bundles.keys.map { |name| "#{prefix}/#{name.shellescape}.bundle" }
         end
         resource_paths + resource_bundles
       end

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

@@ -237,6 +237,18 @@ module Pod
                 content = @coconut_pod_target.umbrella_header_path.read
                 content.should.not =~ /"CoconutTestHeader.h"/
               end
+
+              it 'adds test xcconfig file reference for test resource bundle targets' do
+                @coconut_spec.test_specs.first.resource_bundle = { 'CoconutLibTestResources' => ['Model.xcdatamodeld'] }
+                @installer.install!
+                @coconut_pod_target.resource_bundle_targets.count.should == 0
+                @coconut_pod_target.test_resource_bundle_targets.count.should == 1
+                test_resource_bundle_target = @project.targets.find { |t| t.name == 'CoconutLib-CoconutLibTestResources' }
+                test_resource_bundle_target.build_configurations.each do |bc|
+                  bc.base_configuration_reference.real_path.basename.to_s.should == 'CoconutLib.unit.xcconfig'
+                  bc.build_settings['CONFIGURATION_BUILD_DIR'].should.be.nil
+                end
+              end
             end
 
             describe 'test other files under sources' do

spec/unit/target/pod_target_spec.rb

@@ -366,6 +366,15 @@ module Pod
         it 'returns correct embed frameworks script path for test unit test type' do
           @test_pod_target.embed_frameworks_script_path_for_test_type(:unit).to_s.should.include 'Pods/Target Support Files/CoconutLib/CoconutLib-Unit-Tests-frameworks.sh'
         end
+
+        it 'returns the correct resource path for test resource bundles' do
+          fa = Sandbox::FileAccessor.new(nil, @test_pod_target)
+          fa.stubs(:resource_bundles).returns('TestResourceBundle' => [Pathname.new('Model.xcdatamodeld')])
+          fa.stubs(:resources).returns([])
+          fa.stubs(:spec).returns(stub(:test_specification? => true))
+          @test_pod_target.stubs(:file_accessors).returns([fa])
+          @test_pod_target.resource_paths.should == ['$PODS_CONFIGURATION_BUILD_DIR/TestResourceBundle.bundle']
+        end
       end
     end
   end