Fix up self.foo op= val

Changelog.md

@@ -1,6 +1,7 @@
 # v0.2.19 2013-03-1
 
 * [change] Bump dependencies
+* [fixed] Fix op assign 2 operators (self.foo ||= bar, etc)
 
 [Compare v0.2.18..v0.2.19](https://github.com/mbj/to_source/compare/v0.2.18...v0.2.19)
 

lib/to_source/emitter/op_assign2.rb

@@ -18,10 +18,26 @@ def dispatch
         visit(util.receiver)
         emit('.')
         emit(util.name)
-        emit(' |= ')
+        emit(" #{operator} ")
         visit(util.value)
       end
 
+      MAPPING = {
+        :or =>  :'||',
+        :and => :'&&'
+      }.freeze
+
+      # Return operator
+      #
+      # @return [String]
+      #
+      # @api private
+      #
+      def operator
+        op = node.op
+        "#{MAPPING.fetch(op, op)}="
+      end
+
     end
   end
 end

spec/unit/to_source/class_methods/run_spec.rb

@@ -182,12 +182,15 @@ def foo
     end
   end
 
-  context 'conditional element assignment' do
-    assert_source 'foo[key] ||= bar'
-  end
 
-  context 'attribute assignment on merge' do
-    assert_source 'self.foo |= bar'
+  %w(|= ||= &= &&= += -= *= /= **= %=).each do |op|
+    context "conditional attribute #{op} assignment" do
+      assert_source "self.foo #{op} bar"
+    end
+
+    context "conditional element #{op} assignment" do
+      assert_source "foo[key] #{op} bar"
+    end
   end