Add test case for EventMachine style chunked input

spec/json/streamer/json_streamer_spec.rb

@@ -88,6 +88,30 @@
       end
     end
 
+    context '1st level from EventMachine style chunked input' do
+      it 'should yield objects within JSON object' do
+
+        hash = {'object1':@example_hash, 'object2':@example_hash, 'object3':@example_hash}
+        streamer = Json::Streamer::JsonStreamer.new
+
+        objects = []
+        streamer.get(nesting_level:1) do |object|
+          objects.push(object)
+        end
+
+        chunk_size = 10
+        json_file_mock = StringIO.new(JSON.generate(hash))
+        json_file_mock.each(chunk_size) do |chunk|
+          streamer.parser << chunk
+        end
+
+        expect(objects.length).to eq(hash.length)
+        objects.each do |element|
+          expect(element).to eq(@example_hash)
+        end
+      end
+    end
+
     context 'JSONs with various nesting level and number of objects per level' do
       it 'should yield all objects on desired level (checking number of yielded objects)' do