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From "Darryl L. Pierce" <dpie...@redhat.com>
Subject [PATCH 03/11] Created the encode and decode methods in Qpid::Messaging.
Date Mon, 11 Jul 2011 12:43:09 GMT
From: "Darryl L. Pierce" <dpierce@redhat.com>

These methods differ from the same methods in Cqpid in that they handle
working with symbols and other non-string values.
---
 qpid/cpp/bindings/qpid/ruby/lib/qpid.rb           |    1 +
 qpid/cpp/bindings/qpid/ruby/lib/qpid/encoding.rb  |   56 ++++++++
 qpid/cpp/bindings/qpid/ruby/test/test_encoding.rb |  146 +++++++++++++++++++++
 qpid/cpp/bindings/qpid/ruby/test/ts_bindings.rb   |    1 +
 4 files changed, 204 insertions(+), 0 deletions(-)
 create mode 100644 qpid/cpp/bindings/qpid/ruby/lib/qpid/encoding.rb
 create mode 100644 qpid/cpp/bindings/qpid/ruby/test/test_encoding.rb

diff --git a/qpid/cpp/bindings/qpid/ruby/lib/qpid.rb b/qpid/cpp/bindings/qpid/ruby/lib/qpid.rb
index 597446d..725fa45 100644
--- a/qpid/cpp/bindings/qpid/ruby/lib/qpid.rb
+++ b/qpid/cpp/bindings/qpid/ruby/lib/qpid.rb
@@ -19,4 +19,5 @@
 
 require 'qpid/errors'
 require 'qpid/duration'
+require 'qpid/encoding'
 
diff --git a/qpid/cpp/bindings/qpid/ruby/lib/qpid/encoding.rb b/qpid/cpp/bindings/qpid/ruby/lib/qpid/encoding.rb
new file mode 100644
index 0000000..c8b843b
--- /dev/null
+++ b/qpid/cpp/bindings/qpid/ruby/lib/qpid/encoding.rb
@@ -0,0 +1,56 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+require 'cqpid'
+
+module Qpid
+
+  module Messaging
+
+    # Encodes the supplied content into the given message.
+    def self.encode content, message, encoding = nil
+      prepared = content
+      case content
+      when Hash
+        prepared = {}
+        content.each_pair do |key,value|
+          prepared[key.to_s] = value.to_s
+        end
+        Cqpid::encode prepared, message.message_impl
+      when Array
+        prepared = []
+        content.each {|value| prepared << value.to_s}
+        Cqpid::encode prepared, message.message_impl
+      end
+    end
+
+    # Decodes and returns the message's content.
+    def self.decode(message, content_type = nil)
+      content_type = message.content_type unless content_type
+
+      case content_type
+        when "amqp/map":  Cqpid.decodeMap message.message_impl
+        when "amqp/list": Cqpid.decodeList message.message_impl
+      end
+    end
+
+  end
+
+end
+
diff --git a/qpid/cpp/bindings/qpid/ruby/test/test_encoding.rb b/qpid/cpp/bindings/qpid/ruby/test/test_encoding.rb
new file mode 100644
index 0000000..060975a
--- /dev/null
+++ b/qpid/cpp/bindings/qpid/ruby/test/test_encoding.rb
@@ -0,0 +1,146 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+$:.unshift File.join(File.dirname(__FILE__), "..", "lib")
+
+require 'test/unit'
+require 'flexmock/test_unit'
+
+require 'cqpid'
+require 'qpid/encoding'
+
+class TestEncoding < Test::Unit::TestCase
+
+  def setup
+    @cqpid = flexmock(Cqpid)
+
+    @message = flexmock("message")
+    @message_impl = flexmock("message_impl")
+
+    @encoded = {"foo" => "bar"}
+  end
+
+  def test_encode_map_with_symbols
+    @message.
+      should_receive(:message_impl).
+      once.
+      and_return(@message_impl)
+    @cqpid.
+      should_receive(:encode).
+      once.
+      with({"foo" => "bar"}, @message_impl).
+      and_return(@encoded)
+
+    result = Qpid::Messaging.encode({:foo => :bar}, @message)
+
+    assert_same @encoded, result
+  end
+
+  def test_encode_list_with_symbols
+    @message.
+      should_receive(:message_impl).
+      once.
+      and_return(@message_impl)
+    @cqpid.
+      should_receive(:encode).
+      once.
+      with(["foo", "bar"], @message_impl).
+      and_return(@encoded)
+
+    result = Qpid::Messaging.encode([:foo, :bar], @message)
+
+    assert_same @encoded, result
+  end
+
+  def test_encode_with_content_type
+    @message.
+      should_receive(:message_impl).
+      once.
+      and_return(@message_impl)
+    @cqpid.
+      should_receive(:encode).
+      once.
+      with({"foo" => "bar"}, @message_impl).
+      and_return(@encoded)
+
+    result = Qpid::Messaging.encode({:foo => :bar}, @message)
+
+    assert_same @encoded, result
+  end
+
+  def test_encode
+    @message.
+      should_receive(:message_impl).
+      once.
+      and_return(@message_impl)
+    @cqpid.
+      should_receive(:encode).
+      once.
+      with({"foo" => "bar"}, @message_impl).
+      and_return(@encoded)
+
+    result = Qpid::Messaging.encode({"foo" => "bar"}, @message)
+
+    assert_same @encoded, result
+  end
+
+  def test_decode_for_map
+    decoded = {"foo" => "bar"}
+    @message.
+      should_receive(:content_type).
+      once.
+      and_return("amqp/map")
+    @message.
+      should_receive(:message_impl).
+      once.
+      and_return(@message_impl)
+    @cqpid.
+      should_receive(:decodeMap).
+      once.
+      with(@message_impl).
+      and_return(decoded)
+
+    result = Qpid::Messaging.decode(@message)
+
+    assert_same decoded, result
+  end
+
+  def test_decode_for_list
+    decoded = ["foo", "bar"]
+    @message.
+      should_receive(:content_type).
+      once.
+      and_return("amqp/list")
+    @message.
+      should_receive(:message_impl).
+      once.
+      and_return(@message_impl)
+    @cqpid.
+      should_receive(:decodeList).
+      once.
+      with(@message_impl).
+      and_return(decoded)
+
+    result = Qpid::Messaging.decode(@message)
+
+    assert_same decoded, result
+  end
+
+end
+
diff --git a/qpid/cpp/bindings/qpid/ruby/test/ts_bindings.rb b/qpid/cpp/bindings/qpid/ruby/test/ts_bindings.rb
index f5b7384..68af267 100644
--- a/qpid/cpp/bindings/qpid/ruby/test/ts_bindings.rb
+++ b/qpid/cpp/bindings/qpid/ruby/test/ts_bindings.rb
@@ -20,4 +20,5 @@
 $:.unshift File.join(File.dirname(__FILE__), "..", "lib")
 
 require 'test/unit'
+require 'test_encoding'
 
-- 
1.7.6


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