Subversion Repositories SmartDukaan

#

# 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 File.dirname(__FILE__) + '/spec_helper'

class ThriftClientSpec < Spec::ExampleGroup

  include Thrift

  class ClientSpec

    include Thrift::Client

  end

  before(:each) do

    @prot = mock("MockProtocol")

    @client = ClientSpec.new(@prot)

  end

  describe Client do

    it "should re-use iprot for oprot if not otherwise specified" do

      @client.instance_variable_get(:'@iprot').should eql(@prot)

      @client.instance_variable_get(:'@oprot').should eql(@prot)

    end

    it "should send a test message" do

      @prot.should_receive(:write_message_begin).with('testMessage', MessageTypes::CALL, 0)

      mock_args = mock('#<TestMessage_args:mock>')

      mock_args.should_receive(:foo=).with('foo')

      mock_args.should_receive(:bar=).with(42)

      mock_args.should_receive(:write).with(@prot)

      @prot.should_receive(:write_message_end)

      @prot.should_receive(:trans) do

        mock('trans').tee do |trans|

          trans.should_receive(:flush)

        end

      end

      klass = stub("TestMessage_args", :new => mock_args)

      @client.send_message('testMessage', klass, :foo => 'foo', :bar => 42)

    end

    it "should increment the sequence id when sending messages" do

      pending "it seems sequence ids are completely ignored right now" do

        @prot.should_receive(:write_message_begin).with('testMessage',  MessageTypes::CALL, 0).ordered

        @prot.should_receive(:write_message_begin).with('testMessage2', MessageTypes::CALL, 1).ordered

        @prot.should_receive(:write_message_begin).with('testMessage3', MessageTypes::CALL, 2).ordered

        @prot.stub!(:write_message_end)

        @prot.stub!(:trans).and_return mock("trans").as_null_object

        @client.send_message('testMessage', mock("args class").as_null_object)

        @client.send_message('testMessage2', mock("args class").as_null_object)

        @client.send_message('testMessage3', mock("args class").as_null_object)        

      end

    end

    it "should receive a test message" do

      @prot.should_receive(:read_message_begin).and_return [nil, MessageTypes::CALL, 0]

      @prot.should_receive(:read_message_end)

      mock_klass = mock("#<MockClass:mock>")

      mock_klass.should_receive(:read).with(@prot)

      @client.receive_message(stub("MockClass", :new => mock_klass))

    end

    it "should handle received exceptions" do

      @prot.should_receive(:read_message_begin).and_return [nil, MessageTypes::EXCEPTION, 0]

      @prot.should_receive(:read_message_end)

      ApplicationException.should_receive(:new).and_return do

        StandardError.new.tee do |mock_exc|

          mock_exc.should_receive(:read).with(@prot)

        end

      end

      lambda { @client.receive_message(nil) }.should raise_error(StandardError)

    end

    it "should close the transport if an error occurs while sending a message" do

      @prot.stub!(:write_message_begin)

      @prot.should_not_receive(:write_message_end)

      mock_args = mock("#<TestMessage_args:mock>")

      mock_args.should_receive(:write).with(@prot).and_raise(StandardError)

      trans = mock("MockTransport")

      @prot.stub!(:trans).and_return(trans)

      trans.should_receive(:close)

      klass = mock("TestMessage_args", :new => mock_args)

      lambda { @client.send_message("testMessage", klass) }.should raise_error(StandardError)

    end

  end

end