+ xcode config spec

lib/cocoa_pods/xcode/config.rb

@@ -6,6 +6,10 @@ module Pod
         merge!(xcconfig_hash)
       end
 
+      def to_hash
+        @attributes
+      end
+
       def merge!(xcconfig_hash)
         xcconfig_hash.each do |key, value|
           if existing_value = @attributes[key]
@@ -17,12 +21,12 @@ module Pod
       end
       alias_method :<<, :merge!
 
+      def to_s
+        @attributes.map { |key, value| "#{key} = #{value}" }.join("\n")
+      end
+
       def create_in(pods_root)
-        (pods_root + 'Pods.xcconfig').open('w') do |file|
-          @attributes.each do |key, value|
-            file.puts "#{key} = #{value}"
-          end
-        end
+        (pods_root + 'Pods.xcconfig').open('w') { |file| file << to_s }
       end
     end
   end

spec/unit/xcode/config_spec.rb

+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Pod::Xcode::Config" do
+  extend SpecHelper::TemporaryDirectory
+
+  before do
+    @config = Pod::Xcode::Config.new('OTHER_LD_FLAGS' => '-framework Foundation')
+  end
+
+  it "merges another config hash in place" do
+    @config.merge!('HEADER_SEARCH_PATHS' => '/some/path')
+    @config.to_hash.should == {
+      'OTHER_LD_FLAGS' => '-framework Foundation',
+      'HEADER_SEARCH_PATHS' => '/some/path'
+    }
+  end
+
+  it "appends a value for the same key when merging" do
+    @config.merge!('OTHER_LD_FLAGS' => '-l xml2.2.7.3')
+    @config.to_hash.should == {
+      'OTHER_LD_FLAGS' => '-framework Foundation -l xml2.2.7.3'
+    }
+  end
+
+  it "creates the config file" do
+    @config.merge!('HEADER_SEARCH_PATHS' => '/some/path')
+    @config.merge!('OTHER_LD_FLAGS' => '-l xml2.2.7.3')
+    @config.create_in(temporary_directory)
+    (temporary_directory + 'Pods.xcconfig').read.split("\n").sort.should == [
+      "OTHER_LD_FLAGS = -framework Foundation -l xml2.2.7.3",
+      "HEADER_SEARCH_PATHS = /some/path"
+    ].sort
+  end
+end