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#
# 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 ThriftServerSpec < Spec::ExampleGroup
include Thrift
describe BaseServer do
it "should default to BaseTransportFactory and BinaryProtocolFactory when not specified" do
server = BaseServer.new(mock("Processor"), mock("BaseServerTransport"))
server.instance_variable_get(:'@transport_factory').should be_an_instance_of(BaseTransportFactory)
server.instance_variable_get(:'@protocol_factory').should be_an_instance_of(BinaryProtocolFactory)
end
# serve is a noop, so can't test that
end
shared_examples_for "servers" do
before(:each) do
@processor = mock("Processor")
@serverTrans = mock("ServerTransport")
@trans = mock("BaseTransport")
@prot = mock("BaseProtocol")
@client = mock("Client")
@server = server_type.new(@processor, @serverTrans, @trans, @prot)
end
end
describe SimpleServer do
it_should_behave_like "servers"
def server_type
SimpleServer
end
it "should serve in the main thread" do
@serverTrans.should_receive(:listen).ordered
@serverTrans.should_receive(:accept).exactly(3).times.and_return(@client)
@trans.should_receive(:get_transport).exactly(3).times.with(@client).and_return(@trans)
@prot.should_receive(:get_protocol).exactly(3).times.with(@trans).and_return(@prot)
x = 0
@processor.should_receive(:process).exactly(3).times.with(@prot, @prot).and_return do
case (x += 1)
when 1 then raise Thrift::TransportException
when 2 then raise Thrift::ProtocolException
when 3 then throw :stop
end
end
@trans.should_receive(:close).exactly(3).times
@serverTrans.should_receive(:close).ordered
lambda { @server.serve }.should throw_symbol(:stop)
end
end
describe ThreadedServer do
it_should_behave_like "servers"
def server_type
ThreadedServer
end
it "should serve using threads" do
@serverTrans.should_receive(:listen).ordered
@serverTrans.should_receive(:accept).exactly(3).times.and_return(@client)
@trans.should_receive(:get_transport).exactly(3).times.with(@client).and_return(@trans)
@prot.should_receive(:get_protocol).exactly(3).times.with(@trans).and_return(@prot)
Thread.should_receive(:new).with(@prot, @trans).exactly(3).times.and_yield(@prot, @trans)
x = 0
@processor.should_receive(:process).exactly(3).times.with(@prot, @prot).and_return do
case (x += 1)
when 1 then raise Thrift::TransportException
when 2 then raise Thrift::ProtocolException
when 3 then throw :stop
end
end
@trans.should_receive(:close).exactly(3).times
@serverTrans.should_receive(:close).ordered
lambda { @server.serve }.should throw_symbol(:stop)
end
end
describe ThreadPoolServer do
it_should_behave_like "servers"
def server_type
# put this stuff here so it runs before the server is created
@threadQ = mock("SizedQueue")
SizedQueue.should_receive(:new).with(20).and_return(@threadQ)
@excQ = mock("Queue")
Queue.should_receive(:new).and_return(@excQ)
ThreadPoolServer
end
it "should set up the queues" do
@server.instance_variable_get(:'@thread_q').should be(@threadQ)
@server.instance_variable_get(:'@exception_q').should be(@excQ)
end
it "should serve inside a thread" do
Thread.should_receive(:new).and_return do |block|
@server.should_receive(:serve)
block.call
@server.rspec_verify
end
@excQ.should_receive(:pop).and_throw(:popped)
lambda { @server.rescuable_serve }.should throw_symbol(:popped)
end
it "should avoid running the server twice when retrying rescuable_serve" do
Thread.should_receive(:new).and_return do |block|
@server.should_receive(:serve)
block.call
@server.rspec_verify
end
@excQ.should_receive(:pop).twice.and_throw(:popped)
lambda { @server.rescuable_serve }.should throw_symbol(:popped)
lambda { @server.rescuable_serve }.should throw_symbol(:popped)
end
it "should serve using a thread pool" do
@serverTrans.should_receive(:listen).ordered
@threadQ.should_receive(:push).with(:token)
@threadQ.should_receive(:pop)
Thread.should_receive(:new).and_yield
@serverTrans.should_receive(:accept).exactly(3).times.and_return(@client)
@trans.should_receive(:get_transport).exactly(3).times.and_return(@trans)
@prot.should_receive(:get_protocol).exactly(3).times.and_return(@prot)
x = 0
error = RuntimeError.new("Stopped")
@processor.should_receive(:process).exactly(3).times.with(@prot, @prot).and_return do
case (x += 1)
when 1 then raise Thrift::TransportException
when 2 then raise Thrift::ProtocolException
when 3 then raise error
end
end
@trans.should_receive(:close).exactly(3).times
@excQ.should_receive(:push).with(error).and_throw(:stop)
@serverTrans.should_receive(:close)
lambda { @server.serve }.should throw_symbol(:stop)
end
end
end
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