#159 - Excute batch requests using the service's connection

lib/google/api_client/batch.rb

@@ -139,14 +139,17 @@ module Google
       #   the HTTP response.
       def process_http_response(response)
         content_type = find_header('Content-Type', response.headers)
-        boundary = /.*boundary=(.+)/.match(content_type)[1]
-        parts = response.body.split(/--#{Regexp.escape(boundary)}/)
-        parts = parts[1...-1]
-        parts.each do |part|
-          call_response = deserialize_call_response(part)
-          _, call, callback = @calls.assoc(call_response.call_id)
-          result = Google::APIClient::Result.new(call, call_response)
-          callback.call(result) if callback
+        m = /.*boundary=(.+)/.match(content_type)
+        if m
+          boundary = m[1]
+          parts = response.body.split(/--#{Regexp.escape(boundary)}/)
+          parts = parts[1...-1]
+          parts.each do |part|
+            call_response = deserialize_call_response(part)
+            _, call, callback = @calls.assoc(call_response.call_id)
+            result = Google::APIClient::Result.new(call, call_response)
+            callback.call(result) if callback
+          end
         end
         Google::APIClient::Result.new(self, response)
       end

lib/google/api_client/service.rb

@@ -225,7 +225,7 @@ module Google
           result = @client.execute(params)
           return Google::APIClient::Service::Result.new(request, result)
         elsif request.instance_of? Google::APIClient::Service::BatchRequest
-          @client.execute(request.base_batch)
+          @client.execute(request.base_batch, {:connection => @connection})
         end
       end
     end

spec/google/api_client/service_spec.rb

@@ -493,6 +493,33 @@ RSpec.describe Google::APIClient::Service::Result do
 end
 
 RSpec.describe Google::APIClient::Service::BatchRequest do
+  
+  include ConnectionHelpers
+  
+  context 'with a service connection' do
+    before do
+      @conn = stub_connection do |stub|
+        stub.post('/batch') do |env|
+          [500, {'Content-Type' => 'application/json'}, '{}']
+        end
+      end
+      @discovery = Google::APIClient::Service.new('discovery', 'v1',
+          {:application_name => APPLICATION_NAME, :authorization => nil,
+           :cache_store => nil, :connection => @conn})
+      @calls = [
+        @discovery.apis.get_rest(:api => 'plus', :version => 'v1'),
+        @discovery.apis.get_rest(:api => 'discovery', :version => 'v1')
+      ]
+    end
+
+    it 'should use the service connection' do
+      batch = @discovery.batch(@calls) do
+      end
+      batch.execute
+      @conn.verify
+    end  
+  end
+  
   describe 'with the discovery API' do
     before do
       @discovery = Google::APIClient::Service.new('discovery', 'v1',
@@ -585,7 +612,7 @@ RSpec.describe Google::APIClient::Service::BatchRequest do
         batch.execute
         expect(call1_returned).to eq(true)
         expect(call2_returned).to eq(true)
-      end
+      end      
     end
   end
 end