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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'
module Qpid
module Messaging
describe Session do
before(:each) do
@connection = double("Qpid::Messaging::Connection")
@session_impl = double("Cqpid::Session")
@session = Qpid::Messaging::Session.new @connection, @session_impl
@sender_impl = double("Cqpid::Sender")
@receiver_impl = double("Cqpid::Receiver")
end
it "returns its implementation" do
impl = @session.session_impl
impl.should == @session_impl
end
it "returns its connection" do
connection = @session.connection
connection.should == @connection
end
it "creates a Sender from an Address" do
address = Qpid::Messaging::Address.new "my-queu", "", :create => :always
@session_impl.should_receive(:createSender).
with(address.address_impl).
and_return(@sender_impl)
@sender_impl.should_receive(:getName).
and_return("my-queue")
sender = @session.create_sender address
sender.sender_impl.should == @sender_impl
end
it "creates a Sender from an address string" do
address = "my-queue;{create:true}"
@session_impl.should_receive(:createSender).
with(address).
and_return(@sender_impl)
@sender_impl.should_receive(:getName).
and_return("my-queue")
sender = @session.create_sender address
sender.sender_impl.should == @sender_impl
end
#######################################
# scenarios involing an existing Sender
#######################################
describe "when retrieving a Sender by name" do
before(:each) do
address = "my-queue;{create:always}"
@name = "my-queue"
@session_impl.should_receive(:createSender).
with(address).
and_return(@sender_impl)
@sender_impl.should_receive(:getName).
and_return(@name)
@sender = @session.create_sender address
end
it "works when the name is valid" do
sender = @session.sender @name
sender.should == @sender
end
it "raises an error when the name is invalid" do
expect {
@session.sender @name.reverse
}.to raise_error(Qpid::Messaging::KeyError)
end
end
it "creates a Receiver from an Address" do
address = Qpid::Messaging::Address.new "my-queue", ""
@session_impl.should_receive(:createReceiver).
with(address.address_impl).
and_return(@receiver_impl)
@receiver_impl.should_receive(:getName).
and_return("my-queue")
receiver = @session.create_receiver address
receiver.receiver_impl.should == @receiver_impl
end
it "creates a Receiver from an address string" do
address = "my-queue"
@session_impl.should_receive(:createReceiver).
with(address).
and_return(@receiver_impl)
@receiver_impl.should_receive(:getName).
and_return("my-queue")
receiver = @session.create_receiver address
receiver.receiver_impl.should == @receiver_impl
end
#########################################
# scenarios involving an existing Receiver
##########################################
describe "when retrieving a Receiver by name" do
before(:each) do
address = "my-queue"
@name = "my-queue"
@session_impl.should_receive(:createReceiver).
with(address).
and_return(@receiver_impl)
@receiver_impl.should_receive(:getName).
and_return(@name)
@receiver = @session.create_receiver address
end
it "works with a valid name" do
receiver = @session.receiver @name
receiver.should == @receiver
end
it "raises an error when the name is invalid" do
expect {
@session.receiver @name.reverse
}.to raise_error(Qpid::Messaging::KeyError)
end
end
it "closes the session" do
@session_impl.should_receive(:close)
@session.close
end
it "commits a pending transaction" do
@session_impl.should_receive(:commit)
@session.commit
end
it "rolls back an uncommitted transaction" do
@session_impl.should_receive(:rollback)
@session.rollback
end
it "acknowledges all received messages" do
@session_impl.should_receive(:acknowledge).
with(false)
@session.acknowledge
end
it "acknowledges all messages synchronously" do
@session_impl.should_receive(:acknowledge).
with(true)
@session.acknowledge :sync => true
end
it "acknowledges all messages asynchronously" do
@session_impl.should_receive(:acknowledge).
with(false)
@session.acknowledge :sync => false
end
######################################
# Scenarios involving a single message
######################################
describe "with a single message" do
before(:each) do
@message = Qpid::Messaging::Message.new :content => "Testing"
end
it "can acknowledge asynchronously by default" do
@session_impl.should_receive(:acknowledge).
with(@message.message_impl, false)
@session.acknowledge :message => @message
end
it "can acknowledge synchronously" do
@session_impl.should_receive(:acknowledge).
with(@message.message_impl, true)
@session.acknowledge :message => @message, :sync => true
end
it "can acknowledge asynchronously" do
@session_impl.should_receive(:acknowledge).
with(@message.message_impl, false)
@session.acknowledge :message => @message, :sync => false
end
it "can reject it" do
@session_impl.should_receive(:reject).
with(@message.message_impl)
@session.reject @message
end
it "can release it" do
@session_impl.should_receive(:release).
with(@message.message_impl)
@session.release @message
end
end
it "does not block by default when synchronizating with the broker" do
@session_impl.should_receive(:sync).
with(false)
@session.sync
end
it "can block while synchronizing with the broker" do
@session_impl.should_receive(:sync).
with(true)
@session.sync :block => true
end
it "can not block while synchronizing with the broker" do
@session_impl.should_receive(:sync).
with(false)
@session.sync :block => false
end
it "returns the number of messages that are receivable" do
@session_impl.should_receive(:getReceivable).
and_return(15)
receivable = @session.receivable
receivable.should == 15
end
it "returns the number of unsettled messages" do
@session_impl.should_receive(:getUnsettledAcks).
and_return(25)
unsettled = @session.unsettled_acks
unsettled.should == 25
end
it "waits forever by default for the next Receiver with messages" do
@session_impl.should_receive(:nextReceiver).
with(Qpid::Messaging::Duration::FOREVER.duration_impl).
and_return(@receiver_impl)
receiver = @session.next_receiver
receiver.receiver_impl.should == @receiver_impl
end
it "uses the specified time when waiting for the next Receiver with messages" do
@session_impl.should_receive(:nextReceiver).
with(Qpid::Messaging::Duration::SECOND.duration_impl).
and_return(@receiver_impl)
receiver = @session.next_receiver Qpid::Messaging::Duration::SECOND
receiver.receiver_impl.should == @receiver_impl
end
it "returns nil when no Receiver has messages within the timeout period" do
@session_impl.should_receive(:nextReceiver).
with(Qpid::Messaging::Duration::MINUTE.duration_impl).
and_return(nil)
receiver = @session.next_receiver Qpid::Messaging::Duration::MINUTE
receiver.should be_nil
end
it "returns true when there are errors on the session" do
@session_impl.should_receive(:hasError).
and_return(true)
errors = @session.errors?
errors.should be_true
end
it "returns false when there are no errors on the session" do
@session_impl.should_receive(:hasError).
and_return(false)
errors = @session.errors?
errors.should be_false
end
it "causes exceptions to be raised when there are errors" do
@session_impl.should_receive(:checkError).
and_raise(RuntimeError)
expect {
@session.errors
}.to raise_error(RuntimeError)
end
end
end
end
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