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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 'spec_helper'
describe 'Server' do
describe Thrift::BaseServer do
before(:each) do
@processor = double("Processor")
@serverTrans = double("ServerTransport")
@trans = double("BaseTransport")
@prot = double("BaseProtocol")
@server = described_class.new(@processor, @serverTrans, @trans, @prot)
end
it "should default to BaseTransportFactory and BinaryProtocolFactory when not specified" do
@server = Thrift::BaseServer.new(double("Processor"), double("BaseServerTransport"))
expect(@server.instance_variable_get(:'@transport_factory')).to be_an_instance_of(Thrift::BaseTransportFactory)
expect(@server.instance_variable_get(:'@protocol_factory')).to be_an_instance_of(Thrift::BinaryProtocolFactory)
end
it "should not serve" do
expect { @server.serve()}.to raise_error(NotImplementedError)
end
it "should provide a reasonable to_s" do
expect(@serverTrans).to receive(:to_s).once.and_return("serverTrans")
expect(@trans).to receive(:to_s).once.and_return("trans")
expect(@prot).to receive(:to_s).once.and_return("prot")
expect(@server.to_s).to eq("server(prot(trans(serverTrans)))")
end
end
describe Thrift::SimpleServer do
before(:each) do
@processor = double("Processor")
@serverTrans = double("ServerTransport")
@trans = double("BaseTransport")
@prot = double("BaseProtocol")
@client = double("Client")
@server = described_class.new(@processor, @serverTrans, @trans, @prot)
end
it "should provide a reasonable to_s" do
expect(@serverTrans).to receive(:to_s).once.and_return("serverTrans")
expect(@trans).to receive(:to_s).once.and_return("trans")
expect(@prot).to receive(:to_s).once.and_return("prot")
expect(@server.to_s).to eq("simple(server(prot(trans(serverTrans))))")
end
it "should serve in the main thread" do
expect(@serverTrans).to receive(:listen).ordered
expect(@serverTrans).to receive(:accept).exactly(3).times.and_return(@client)
expect(@trans).to receive(:get_transport).exactly(3).times.with(@client).and_return(@trans)
expect(@prot).to receive(:get_protocol).exactly(3).times.with(@trans).and_return(@prot)
x = 0
expect(@processor).to receive(:process).exactly(3).times.with(@prot, @prot) do
case (x += 1)
when 1 then raise Thrift::TransportException
when 2 then raise Thrift::ProtocolException
when 3 then throw :stop
end
end
expect(@trans).to receive(:close).exactly(3).times
expect(@serverTrans).to receive(:close).ordered
expect { @server.serve }.to throw_symbol(:stop)
end
end
describe Thrift::ThreadedServer do
before(:each) do
@processor = double("Processor")
@serverTrans = double("ServerTransport")
@trans = double("BaseTransport")
@prot = double("BaseProtocol")
@client = double("Client")
@server = described_class.new(@processor, @serverTrans, @trans, @prot)
end
it "should provide a reasonable to_s" do
expect(@serverTrans).to receive(:to_s).once.and_return("serverTrans")
expect(@trans).to receive(:to_s).once.and_return("trans")
expect(@prot).to receive(:to_s).once.and_return("prot")
expect(@server.to_s).to eq("threaded(server(prot(trans(serverTrans))))")
end
it "should serve using threads" do
expect(@serverTrans).to receive(:listen).ordered
expect(@serverTrans).to receive(:accept).exactly(3).times.and_return(@client)
expect(@trans).to receive(:get_transport).exactly(3).times.with(@client).and_return(@trans)
expect(@prot).to receive(:get_protocol).exactly(3).times.with(@trans).and_return(@prot)
expect(Thread).to receive(:new).with(@prot, @trans).exactly(3).times.and_yield(@prot, @trans)
x = 0
expect(@processor).to receive(:process).exactly(3).times.with(@prot, @prot) do
case (x += 1)
when 1 then raise Thrift::TransportException
when 2 then raise Thrift::ProtocolException
when 3 then throw :stop
end
end
expect(@trans).to receive(:close).exactly(3).times
expect(@serverTrans).to receive(:close).ordered
expect { @server.serve }.to throw_symbol(:stop)
end
end
describe Thrift::ThreadPoolServer do
before(:each) do
@processor = double("Processor")
@server_trans = double("ServerTransport")
@trans = double("BaseTransport")
@prot = double("BaseProtocol")
@client = double("Client")
@server = described_class.new(@processor, @server_trans, @trans, @prot)
sleep(0.15)
end
it "should provide a reasonable to_s" do
expect(@server_trans).to receive(:to_s).once.and_return("server_trans")
expect(@trans).to receive(:to_s).once.and_return("trans")
expect(@prot).to receive(:to_s).once.and_return("prot")
expect(@server.to_s).to eq("threadpool(server(prot(trans(server_trans))))")
end
it "should serve inside a thread" do
exception_q = @server.instance_variable_get(:@exception_q)
expect_any_instance_of(described_class).to receive(:serve) do
exception_q.push(StandardError.new('ERROR'))
end
expect { @server.rescuable_serve }.to(raise_error('ERROR'))
sleep(0.15)
end
it "should avoid running the server twice when retrying rescuable_serve" do
exception_q = @server.instance_variable_get(:@exception_q)
expect_any_instance_of(described_class).to receive(:serve) do
exception_q.push(StandardError.new('ERROR1'))
exception_q.push(StandardError.new('ERROR2'))
end
expect { @server.rescuable_serve }.to(raise_error('ERROR1'))
expect { @server.rescuable_serve }.to(raise_error('ERROR2'))
end
it "should serve using a thread pool" do
thread_q = double("SizedQueue")
exception_q = double("Queue")
@server.instance_variable_set(:@thread_q, thread_q)
@server.instance_variable_set(:@exception_q, exception_q)
expect(@server_trans).to receive(:listen).ordered
expect(thread_q).to receive(:push).with(:token)
expect(thread_q).to receive(:pop)
expect(Thread).to receive(:new).and_yield
expect(@server_trans).to receive(:accept).exactly(3).times.and_return(@client)
expect(@trans).to receive(:get_transport).exactly(3).times.and_return(@trans)
expect(@prot).to receive(:get_protocol).exactly(3).times.and_return(@prot)
x = 0
error = RuntimeError.new("Stopped")
expect(@processor).to receive(:process).exactly(3).times.with(@prot, @prot) do
case (x += 1)
when 1 then raise Thrift::TransportException
when 2 then raise Thrift::ProtocolException
when 3 then raise error
end
end
expect(@trans).to receive(:close).exactly(3).times
expect(exception_q).to receive(:push).with(error).and_throw(:stop)
expect(@server_trans).to receive(:close)
expect { @server.serve }.to(throw_symbol(:stop))
end
end
end
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