Introduce exit status in stream protocol.

Change-Id: I5d6f72d1be27ca14d8d92b01805310031701de17

warden-client/lib/warden/client/v1.rb

@@ -123,10 +123,7 @@ def self.convert_stream_request(args)
       end
 
       def self.convert_stream_response(response)
-        to_return = []
-        to_return << response.name if response.name
-        to_return << response.data if response.data
-        to_return
+        [response.name, response.data, response.exit_status]
       end
 
       def self.convert_run_request(args)

warden-client/lib/warden/client/version.rb

@@ -1,5 +1,5 @@
 module Warden
   class Client
-    VERSION = "0.0.4"
+    VERSION = "0.0.5"
   end
 end

warden-client/spec/client/v1_spec.rb

@@ -218,22 +218,19 @@ def to_response(response)
     end
 
     describe "response" do
-      it "should return a 2-element tuple" do
+      it "should return a 3-element tuple" do
         response = to_response \
           Warden::Protocol::StreamResponse.new(
             :name => "stdout",
-            :data => "data"
+            :data => "data",
+            :exit_status => 25,
           )
 
         response[0].should == "stdout"
         response[1].should == "data"
+        response[2].should == 25
       end
     end
-
-    it "should return an empty tuple when streaming stops" do
-      response = to_response Warden::Protocol::StreamResponse.new
-      response.size.should == 0
-    end
   end
 
   describe "run" do

warden-protocol/Gemfile

@@ -2,3 +2,5 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in warden-protocol.gemspec
 gemspec
+
+gem 'rake'

warden-protocol/lib/warden/protocol/stream.rb

@@ -12,6 +12,7 @@ class StreamRequest < BaseRequest
     class StreamResponse < BaseResponse
       optional :name, :string, 1
       optional :data, :string, 2
+      optional :exit_status, :uint32, 3
     end
   end
 end

warden-protocol/lib/warden/protocol/version.rb

@@ -2,6 +2,6 @@
 
 module Warden
   module Protocol
-    VERSION = "0.0.3"
+    VERSION = "0.0.4"
   end
 end

warden-protocol/spec/stream_spec.rb

@@ -50,4 +50,9 @@
     it_should_be_optional
     it_should_be_typed_as_string
   end
+
+  field :exit_status do
+    it_should_be_optional
+    it_should_be_typed_as_uint
+  end
 end