require File.expand_path('../../../../spec_helper', __FILE__)

module Pod
  module Generator
    module XCConfig
      describe AggregateXCConfig do
        def spec
          fixture_spec('banana-lib/BananaLib.podspec')
        end

        def pod_target(spec)
          fixture_pod_target(spec)
        end

        before do
          @spec = spec
          @spec.user_target_xcconfig = { 'OTHER_LDFLAGS' => '-no_compact_unwind' }
          @spec.pod_target_xcconfig = { 'CLANG_CXX_LANGUAGE_STANDARD' => 'c++11' }
          @pod_target = pod_target(@spec)
          @consumer = @pod_target.spec_consumers.last
          @target = fixture_aggregate_target([@pod_target])
          @target.target_definition.should == @pod_target.target_definitions.first
          @target.target_definition.whitelist_pod_for_configuration(@spec.name, 'Release')
          @podfile = @target.target_definition.podfile
          @generator = AggregateXCConfig.new(@target, 'Release')
        end

        shared 'AggregateXCConfig' do
          it 'returns the path of the pods root relative to the user project' do
            @generator.target.relative_pods_root.should == '${SRCROOT}/Pods'
          end

          #--------------------------------------------------------------------#

          before do
            @xcconfig = @generator.generate
          end

          it 'generates the xcconfig' do
            @xcconfig.class.should == Xcodeproj::Config
          end

          it 'includes only the user_target_xcconfig of the specifications' do
            @xcconfig.to_hash['CLANG_CXX_LANGUAGE_STANDARD'].should.be.nil
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.include('-no_compact_unwind')
          end

          it 'does not add the -fobjc-arc to OTHER_LDFLAGS by default as Xcode 4.3.2 does not support it' do
            @consumer.stubs(:requires_arc?).returns(true)
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.not.include('-fobjc-arc')
          end

          it 'adds the -fobjc-arc to OTHER_LDFLAGS if any pods require arc and the podfile explicitly requires it' do
            @podfile.stubs(:set_arc_compatibility_flag?).returns(true)
            @consumer.stubs(:requires_arc?).returns(true)
            @xcconfig = @generator.generate
            @xcconfig.to_hash['OTHER_LDFLAGS'].split(' ').should.include('-fobjc-arc')
          end

          it 'sets the PODS_ROOT build variable' do
            @xcconfig.to_hash['PODS_ROOT'].should == '${SRCROOT}/Pods'
          end

          it 'adds the COCOAPODS macro definition' do
            @xcconfig.to_hash['GCC_PREPROCESSOR_DEFINITIONS'].should.include 'COCOAPODS=1'
          end

          it 'inherits the parent GCC_PREPROCESSOR_DEFINITIONS value' do
            @xcconfig.to_hash['GCC_PREPROCESSOR_DEFINITIONS'].should.include '$(inherited)'
          end
        end

        #-----------------------------------------------------------------------#

        describe 'if a pod target does not contain source files' do
          before do
            @pod_target.file_accessors.first.stubs(:source_files).returns([])
            @xcconfig = @generator.generate
          end

          it 'does not link with the aggregate integration library target' do
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.not.include '-l"Pods-BananaLib"'
          end

          it 'does link with vendored frameworks' do
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.include '-framework "Bananalib"'
          end

          it 'does link with vendored libraries' do
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.include '-l"Bananalib"'
          end
        end

        #-----------------------------------------------------------------------#

        describe 'with library' do
          def spec
            fixture_spec('banana-lib/BananaLib.podspec')
          end

          behaves_like 'AggregateXCConfig'

          it 'configures the project to load all members that implement Objective-c classes or categories' do
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.include '-ObjC'
          end

          it 'adds the sandbox public headers search paths to the xcconfig, with quotes, as header search paths' do
            expected = "$(inherited) \"#{config.sandbox.public_headers.search_paths(:ios).join('" "')}\""
            @xcconfig.to_hash['HEADER_SEARCH_PATHS'].should == expected
          end

          it 'adds the sandbox public headers search paths to the xcconfig, with quotes, as system headers' do
            expected = "$(inherited) -isystem \"#{config.sandbox.public_headers.search_paths(:ios).join('" -isystem "')}\""
            @xcconfig.to_hash['OTHER_CFLAGS'].should == expected
          end

          describe 'with a scoped pod target' do
            def pod_target(spec)
              fixture_pod_target(spec).scoped.first
            end

            it 'links the pod targets with the aggregate target' do
              @xcconfig.to_hash['OTHER_LDFLAGS'].should.include '-l"Pods-BananaLib"'
            end
          end

          describe 'with an unscoped pod target' do
            it 'links the pod targets with the aggregate target' do
              @xcconfig.to_hash['OTHER_LDFLAGS'].should.include '-l"BananaLib"'
            end
          end

          it 'does not links the pod targets with the aggregate target for non-whitelisted configuration' do
            @generator = AggregateXCConfig.new(@target, 'Debug')
            @xcconfig = @generator.generate
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.not.include '-l"Pods-BananaLib"'
          end
        end

        describe 'with framework' do
          def spec
            fixture_spec('orange-framework/OrangeFramework.podspec')
          end

          before do
            Target.any_instance.stubs(:requires_frameworks?).returns(true)
          end

          behaves_like 'AggregateXCConfig'

          it "doesn't configure the project to load all members that implement Objective-c classes or categories" do
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.not.include '-ObjC'
          end

          describe 'with a vendored-library pod' do
            def spec
              fixture_spec('monkey/monkey.podspec')
            end

            it 'does not add the framework build path to the xcconfig' do
              @xcconfig.to_hash['FRAMEWORK_SEARCH_PATHS'].should.be.nil
            end

            it 'configures the project to load all members that implement Objective-c classes or categories' do
              @xcconfig.to_hash['OTHER_LDFLAGS'].should.include '-ObjC'
            end

            it 'does not include framework header paths as local headers for pods that are linked statically' do
              monkey_headers = '-iquote "$CONFIGURATION_BUILD_DIR/monkey.framework/Headers"'
              @xcconfig.to_hash['OTHER_CFLAGS'].should.not.include monkey_headers
            end

            it 'includes the public header paths as system headers' do
              expected = '$(inherited) -iquote "$CONFIGURATION_BUILD_DIR/OrangeFramework.framework/Headers" -isystem "${PODS_ROOT}/Headers/Public"'
              @generator.stubs(:pod_targets).returns([@pod_target, pod_target(fixture_spec('orange-framework/OrangeFramework.podspec'))])
              @xcconfig = @generator.generate
              @xcconfig.to_hash['OTHER_CFLAGS'].should == expected
            end

            it 'includes the public header paths as user headers' do
              expected = '${PODS_ROOT}/Headers/Public'
              @xcconfig.to_hash['HEADER_SEARCH_PATHS'].should.include expected
            end

            it 'includes $(inherited) in the header search paths' do
              expected = '$(inherited)'
              @xcconfig.to_hash['HEADER_SEARCH_PATHS'].should.include expected
            end
          end

          it 'sets the PODS_FRAMEWORK_BUILD_PATH build variable' do
            @xcconfig.to_hash['PODS_FRAMEWORK_BUILD_PATH'].should == '$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)/Pods'
          end

          describe 'with a scoped pod target' do
            def pod_target(spec)
              fixture_pod_target(spec).scoped.first
            end

            it 'adds the framework build path to the xcconfig, with quotes, as framework search paths' do
              @xcconfig.to_hash['FRAMEWORK_SEARCH_PATHS'].should == '$(inherited) "$PODS_FRAMEWORK_BUILD_PATH"'
            end

            it 'adds the framework header paths to the xcconfig, with quotes, as local headers' do
              expected = '$(inherited) -iquote "$PODS_FRAMEWORK_BUILD_PATH/OrangeFramework.framework/Headers"'
              @xcconfig.to_hash['OTHER_CFLAGS'].should == expected
            end
          end

          describe 'with an unscoped pod target' do
            it 'adds the framework build path to the xcconfig, with quotes, as framework search paths' do
              @xcconfig.to_hash['FRAMEWORK_SEARCH_PATHS'].should.be.nil
            end

            it 'adds the framework header paths to the xcconfig, with quotes, as local headers' do
              expected = '$(inherited) -iquote "$CONFIGURATION_BUILD_DIR/OrangeFramework.framework/Headers"'
              @xcconfig.to_hash['OTHER_CFLAGS'].should == expected
            end
          end

          it 'links the pod targets with the aggregate target' do
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.include '-framework "OrangeFramework"'
          end

          it 'adds the COCOAPODS macro definition' do
            @xcconfig.to_hash['OTHER_SWIFT_FLAGS'].should.include '$(inherited) "-D" "COCOAPODS"'
          end
        end

        #-----------------------------------------------------------------------#

        describe 'serializing and deserializing' do
          before do
            @path = temporary_directory + 'sample.xcconfig'
            @generator.save_as(@path)
          end

          it 'saves the xcconfig' do
            generated = Xcodeproj::Config.new(@path)
            generated.class.should == Xcodeproj::Config
          end
        end

        #-----------------------------------------------------------------------#

        describe 'when no pods are whitelisted for the given configuration' do
          before do
            @generator.stubs(:configuration_name).returns('.invalid')
            @xcconfig = @generator.generate
          end

          it 'does not link with vendored frameworks' do
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.not.include '-framework "Bananalib"'
          end

          it 'does not link with vendored libraries' do
            @xcconfig.to_hash['OTHER_LDFLAGS'].should.not.include '-l"Bananalib"'
          end
        end

        #-----------------------------------------------------------------------#

        describe 'with multiple pod targets with user_target_xcconfigs' do
          before do
            spec_b = fixture_spec('orange-framework/OrangeFramework.podspec')
            @pod_target_b = fixture_pod_target(spec_b)
            @consumer_a = @consumer
            @consumer_b = @pod_target_b.spec_consumers.last
            @target.pod_targets << @pod_target_b
          end

          describe 'with boolean build settings' do
            it 'does not warn if the values are equal' do
              @consumer_a.stubs(:user_target_xcconfig).returns('ENABLE_HEADER_DEPENDENCIES' => 'YES')
              @consumer_b.stubs(:user_target_xcconfig).returns('ENABLE_HEADER_DEPENDENCIES' => 'YES')
              @xcconfig = @generator.generate
              @xcconfig.to_hash['ENABLE_HEADER_DEPENDENCIES'].should == 'YES'
            end

            it 'warns if the values differ' do
              @consumer_a.stubs(:user_target_xcconfig).returns('ENABLE_HEADER_DEPENDENCIES' => 'YES')
              @consumer_b.stubs(:user_target_xcconfig).returns('ENABLE_HEADER_DEPENDENCIES' => 'NO')
              @xcconfig = @generator.generate
              UI.warnings.should.include 'Can\'t merge user_target_xcconfig for pod targets: ' \
                '["BananaLib", "OrangeFramework"]. Boolean build setting '\
                'ENABLE_HEADER_DEPENDENCIES has different values.'
            end
          end

          describe 'with list build settings' do
            it 'only adds the value once if the values are equal' do
              @consumer_a.stubs(:user_target_xcconfig).returns('OTHER_CPLUSPLUSFLAGS' => '-std=c++1y')
              @consumer_b.stubs(:user_target_xcconfig).returns('OTHER_CPLUSPLUSFLAGS' => '-std=c++1y')
              @xcconfig = @generator.generate
              @xcconfig.to_hash['OTHER_CPLUSPLUSFLAGS'].should == '-std=c++1y'
            end

            it 'adds both values if the values differ' do
              @consumer_a.stubs(:user_target_xcconfig).returns('OTHER_CPLUSPLUSFLAGS' => '-std=c++1y')
              @consumer_b.stubs(:user_target_xcconfig).returns('OTHER_CPLUSPLUSFLAGS' => '-stdlib=libc++')
              @xcconfig = @generator.generate
              @xcconfig.to_hash['OTHER_CPLUSPLUSFLAGS'].should == '-std=c++1y -stdlib=libc++'
            end

            it 'adds values from all subspecs' do
              @consumer_b.stubs(:user_target_xcconfig).returns('OTHER_CPLUSPLUSFLAGS' => '-std=c++1y')
              consumer_c = mock(:user_target_xcconfig => { 'OTHER_CPLUSPLUSFLAGS' => '-stdlib=libc++' })
              @pod_target_b.stubs(:spec_consumers).returns([@consumer_b, consumer_c])
              @xcconfig = @generator.generate
              @xcconfig.to_hash['OTHER_CPLUSPLUSFLAGS'].should == '-std=c++1y -stdlib=libc++'
            end
          end

          describe 'with singular build settings' do
            it 'does not warn if the values are equal' do
              @consumer_a.stubs(:user_target_xcconfig).returns('STRIP_STYLE' => 'non-global')
              @consumer_b.stubs(:user_target_xcconfig).returns('STRIP_STYLE' => 'non-global')
              @xcconfig = @generator.generate
              @xcconfig.to_hash['STRIP_STYLE'].should == 'non-global'
            end

            it 'does warn if the values differ' do
              @consumer_a.stubs(:user_target_xcconfig).returns('STRIP_STYLE' => 'non-global')
              @consumer_b.stubs(:user_target_xcconfig).returns('STRIP_STYLE' => 'all')
              @xcconfig = @generator.generate
              UI.warnings.should.include 'Can\'t merge user_target_xcconfig for pod targets: ' \
                '["BananaLib", "OrangeFramework"]. Singular build setting '\
                'STRIP_STYLE has different values.'
            end
          end
        end
      end
    end
  end
end
