Merge 289aa12 into b3fa45c

lib/configus/proxy.rb

@@ -15,6 +15,8 @@ def initialize(block)
     end
 
     def method_missing(key, value = nil, &block)
+      raise ArgumentError, "Double definition of key '#{key}'" if @result.keys.include?(key)
+
       @result[key] = block_given? ? self.class.generate(block) : value
     end
   end

lib/configus/version.rb

@@ -1,3 +1,3 @@
 module Configus
-  VERSION = "0.0.4"
+  VERSION = "0.0.5"
 end

spec/configus/builder_spec.rb

@@ -52,4 +52,15 @@
     end
     expect{ Configus::Builder.new(:production, p) }.to raise_error ArgumentError
   end
+
+  it 'should raise double definition error' do
+    p = Proc.new do
+      env :production do
+        foo 'bar'
+        foo 'bom'
+      end
+    end
+
+    expect{ Configus::Builder.new(:production, p).result }.to raise_error ArgumentError
+  end
 end