func (s *QueryBuilderSuite) TestEmptyQuery(c *gocheck.C) {
	q := dynamodb.NewEmptyQuery()
	queryString := q.String()
	expectedString := "{}"
	c.Check(queryString, gocheck.Equals, expectedString)

	if expectedString != queryString {
		c.Fatalf("Unexpected Query String : %s\n", queryString)
	}
}
func (s *QueryBuilderSuite) TestAddWriteRequestItems(c *gocheck.C) {
	primary := dynamodb.NewStringAttribute("WidgetFoo", "")
	secondary := dynamodb.NewNumericAttribute("Created", "")
	key := dynamodb.PrimaryKey{primary, secondary}
	table := s.server.NewTable("FooData", key)

	primary2 := dynamodb.NewStringAttribute("TestHashKey", "")
	secondary2 := dynamodb.NewNumericAttribute("TestRangeKey", "")
	key2 := dynamodb.PrimaryKey{primary2, secondary2}
	table2 := s.server.NewTable("TestTable", key2)

	q := dynamodb.NewEmptyQuery()

	attribute1 := dynamodb.NewNumericAttribute("testing", "4")
	attribute2 := dynamodb.NewNumericAttribute("testingbatch", "2111")
	attribute3 := dynamodb.NewStringAttribute("testingstrbatch", "mystr")
	item1 := []dynamodb.Attribute{*attribute1, *attribute2, *attribute3}

	attribute4 := dynamodb.NewNumericAttribute("testing", "444")
	attribute5 := dynamodb.NewNumericAttribute("testingbatch", "93748249272")
	attribute6 := dynamodb.NewStringAttribute("testingstrbatch", "myotherstr")
	item2 := []dynamodb.Attribute{*attribute4, *attribute5, *attribute6}

	attributeDel1 := dynamodb.NewStringAttribute("TestHashKeyDel", "DelKey")
	attributeDel2 := dynamodb.NewNumericAttribute("TestRangeKeyDel", "7777777")
	itemDel := []dynamodb.Attribute{*attributeDel1, *attributeDel2}

	attributeTest1 := dynamodb.NewStringAttribute("TestHashKey", "MyKey")
	attributeTest2 := dynamodb.NewNumericAttribute("TestRangeKey", "0193820384293")
	itemTest := []dynamodb.Attribute{*attributeTest1, *attributeTest2}

	tableItems := map[*dynamodb.Table]map[string][][]dynamodb.Attribute{}
	actionItems := make(map[string][][]dynamodb.Attribute)
	actionItems["Put"] = [][]dynamodb.Attribute{item1, item2}
	actionItems["Delete"] = [][]dynamodb.Attribute{itemDel}
	tableItems[table] = actionItems

	actionItems2 := make(map[string][][]dynamodb.Attribute)
	actionItems2["Put"] = [][]dynamodb.Attribute{itemTest}
	tableItems[table2] = actionItems2

	q.AddWriteRequestItems(tableItems)

	queryJson, err := simplejson.NewJson([]byte(q.String()))
	if err != nil {
		c.Fatal(err)
	}

	expectedJson, err := simplejson.NewJson([]byte(`
{
  "RequestItems": {
    "TestTable": [
      {
        "PutRequest": {
          "Item": {
            "TestRangeKey": {
              "N": "0193820384293"
            },
            "TestHashKey": {
              "S": "MyKey"
            }
          }
        }
      }
    ],
    "FooData": [
      {
        "PutRequest": {
          "Item": {
            "testingstrbatch": {
              "S": "mystr"
            },
            "testingbatch": {
              "N": "2111"
            },
            "testing": {
              "N": "4"
            }
          }
        }
      },
      {
        "PutRequest": {
          "Item": {
            "testingstrbatch": {
              "S": "myotherstr"
            },
            "testingbatch": {
              "N": "93748249272"
            },
            "testing": {
              "N": "444"
            }
          }
        }
      },
      {
        "DeleteRequest": {
          "Key": {
            "TestRangeKeyDel": {
              "N": "7777777"
            },
            "TestHashKeyDel": {
              "S": "DelKey"
            }
          }
        }
      }
    ]
  }
}
	`))
	if err != nil {
		c.Fatal(err)
	}
	c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}