1 files changed, 84 insertions, 0 deletions
diff --git a/src/mongo/gotools/common/json/dbpointer_test.go b/src/mongo/gotools/common/json/dbpointer_test.go
new file mode 100644
index 00000000000..9831f7028ac
--- /dev/null
+++ b/src/mongo/gotools/common/json/dbpointer_test.go
@@ -0,0 +1,84 @@
+package json
+
+import (
+	"fmt"
+	. "github.com/smartystreets/goconvey/convey"
+	"gopkg.in/mgo.v2/bson"
+	"testing"
+)
+
+func TestDBPointerValue(t *testing.T) {
+
+	Convey("Unmarshalling JSON with DBPointer values", t, func() {
+		key := "key"
+		value := `DBPointer("ref", ObjectId("552ffe9f5739878e73d116a9"))`
+
+		Convey("works for a single key", func() {
+			var jsonMap map[string]interface{}
+
+			data := fmt.Sprintf(`{"%v":%v}`, key, value)
+
+			err := Unmarshal([]byte(data), &jsonMap)
+			So(err, ShouldBeNil)
+
+			jsonValue, ok := jsonMap[key].(DBPointer)
+			So(ok, ShouldBeTrue)
+			So(jsonValue, ShouldResemble, DBPointer{"ref", bson.ObjectIdHex("552ffe9f5739878e73d116a9")})
+		})
+
+		Convey("works for multiple keys", func() {
+			var jsonMap map[string]interface{}
+
+			key1, key2, key3 := "key1", "key2", "key3"
+			value2 := `DBPointer("ref2", ObjectId("552ffed95739878e73d116aa"))`
+			value3 := `DBPointer("ref3", ObjectId("552fff215739878e73d116ab"))`
+			data := fmt.Sprintf(`{"%v":%v,"%v":%v,"%v":%v}`,
+				key1, value, key2, value2, key3, value3)
+
+			err := Unmarshal([]byte(data), &jsonMap)
+			So(err, ShouldBeNil)
+
+			jsonValue1, ok := jsonMap[key1].(DBPointer)
+			So(ok, ShouldBeTrue)
+
+			So(jsonValue1, ShouldResemble, DBPointer{"ref", bson.ObjectIdHex("552ffe9f5739878e73d116a9")})
+
+			jsonValue2, ok := jsonMap[key2].(DBPointer)
+			So(ok, ShouldBeTrue)
+			So(jsonValue2, ShouldResemble, DBPointer{"ref2", bson.ObjectIdHex("552ffed95739878e73d116aa")})
+
+			jsonValue3, ok := jsonMap[key3].(DBPointer)
+			So(ok, ShouldBeTrue)
+			So(jsonValue3, ShouldResemble, DBPointer{"ref3", bson.ObjectIdHex("552fff215739878e73d116ab")})
+		})
+
+		Convey("works in an array", func() {
+			var jsonMap map[string]interface{}
+
+			data := fmt.Sprintf(`{"%v":[%v,%v,%v]}`,
+				key, value, value, value)
+
+			err := Unmarshal([]byte(data), &jsonMap)
+			So(err, ShouldBeNil)
+			jsonArray, ok := jsonMap[key].([]interface{})
+			So(ok, ShouldBeTrue)
+
+			for _, _jsonValue := range jsonArray {
+				jsonValue, ok := _jsonValue.(DBPointer)
+				So(ok, ShouldBeTrue)
+				So(jsonValue, ShouldResemble, DBPointer{"ref", bson.ObjectIdHex("552ffe9f5739878e73d116a9")})
+			}
+		})
+
+		Convey("will not accept an $id type that is not an ObjectId", func() {
+			value := `DBPointer("ref", 4)`
+			var jsonMap map[string]interface{}
+
+			data := fmt.Sprintf(`{"%v":%v}`, key, value)
+
+			err := Unmarshal([]byte(data), &jsonMap)
+			So(err, ShouldNotBeNil)
+		})
+
+	})
+}