Working on network layer

1 files changed, 107 insertions, 0 deletions

diff --git a/spec/unit/queue_spec.rb b/spec/unit/queue_spec.rb
new file mode 100644
index 0000000000..9a199c9852
--- /dev/null
+++ b/spec/unit/queue_spec.rb
@@ -0,0 +1,107 @@
+#
+# Author:: Adam Jacob (<adam@hjksolutions.com>)
+# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
+# License:: GNU General Public License version 2 or later
+# 
+# This program and entire repository is free software; you can
+# redistribute it and/or modify it under the terms of the GNU 
+# General Public License as published by the Free Software 
+# Foundation; either version 2 of the License, or any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "spec_helper"))
+
+describe Chef::Queue do
+ 
+  it "should connect to a stomp server on localhost and 61613" do
+    Stomp::Connection.should_receive(:open).with("", "", "localhost", 61613, false).once
+    Chef::Queue.connect
+  end
+ 
+  it "should allow config options to override defaults on connect" do
+    Chef::Config[:queue_user] = "monkey"
+    Chef::Config[:queue_password] = "password"
+    Chef::Config[:queue_host] = "10.10.10.10"
+    Chef::Config[:queue_port] = 61614
+    Stomp::Connection.should_receive(:open).with("monkey", "password", "10.10.10.10", 61614, false).once
+    Chef::Queue.connect
+  end
+  
+  it "should make a url based on type and name" do
+    Chef::Queue.make_url("topic", "goal").should eql("/topic/chef/goal")
+    Chef::Queue.make_url("queue", "pool").should eql("/queue/chef/pool")
+  end
+  
+  it "should allow you to subscribe to a queue" do
+    queue = mock("Queue", :null_object => true)
+    queue.should_receive(:subscribe).with(Chef::Queue.make_url(:topic, :node)).once
+    Stomp::Connection.stub!(:open).and_return(queue)
+    Chef::Queue.connect
+    Chef::Queue.subscribe(:topic, :node)
+  end
+  
+  it "should allow you to send a message" do
+    message = mock("Message", :null_object => true)
+    message.should_receive(:to_json).once.and_return("some json")
+    connection = mock("Connection", :null_object => true)
+    connection.should_receive(:send).with(Chef::Queue.make_url(:queue, :node), "some json").once.and_return(true)
+    Stomp::Connection.stub!(:open).and_return(connection)
+    Chef::Queue.connect
+    Chef::Queue.send_msg(:queue, :node, message)
+  end
+  
+  it "should receive a message with receive_msg" do
+    raw_msg = mock("Stomp Message", :null_object => true)
+    raw_msg.should_receive(:body).twice.and_return("the body")
+    connection = mock("Connection", :null_object => true)
+    connection.should_receive(:receive).once.and_return(raw_msg)
+    JSON.should_receive(:parse).with("the body").and_return("the body")
+    Stomp::Connection.stub!(:open).and_return(connection)
+    Chef::Queue.connect
+    Chef::Queue.receive_msg.should eql([ "the body", raw_msg ])
+  end
+  
+  it "should poll for a message with poll_msg, returning a message if there is one" do
+    raw_msg = mock("Stomp Message", :null_object => true)
+    raw_msg.should_receive(:body).once.and_return("the body")
+    connection = mock("Connection", :null_object => true)
+    connection.should_receive(:poll).once.and_return(raw_msg)
+    JSON.should_receive(:parse).with("the body").and_return("the body")
+    Stomp::Connection.stub!(:open).and_return(connection)
+    Chef::Queue.connect
+    Chef::Queue.poll_msg.should eql("the body")
+  end
+  
+  it "should poll for a message with poll_msg, returning nil if there is not a message" do
+    connection = mock("Connection", :null_object => true)
+    connection.should_receive(:poll).once.and_return(nil)
+    JSON.should_not_receive(:parse).with(nil)
+    Stomp::Connection.stub!(:open).and_return(connection)
+    Chef::Queue.connect
+    Chef::Queue.poll_msg.should eql(nil)
+  end
+  
+  it "should raise an exception if you disconnect without a connection" do
+    Stomp::Connection.stub!(:open).and_return(nil)
+    Chef::Queue.connect 
+    lambda { Chef::Queue.disconnect }.should raise_error(ArgumentError)
+  end
+  
+  it "should disconnect an active connection" do
+    connection = mock("Connection", :null_object => true)
+    connection.should_receive(:disconnect).once.and_return(true)
+    Stomp::Connection.stub!(:open).and_return(connection)
+    Chef::Queue.connect
+    Chef::Queue.disconnect
+  end
+
+end
\ No newline at end of file