diff --git a/controller/tests/query_test.go b/controller/tests/query_test.go
new file mode 100644
index 0000000..b4f9898
--- /dev/null
+++ b/controller/tests/query_test.go
@@ -0,0 +1,33 @@
+package tests
+
+import (
+	"testing"
+
+	"github.com/vektah/gqlparser"
+	"github.com/vektah/gqlparser/ast"
+)
+
+var gqlSchema = `#######################\n# Input Schema\n#######################\n\ntype Image {\n\tid: ID!\n\tobjectPath: String! @search(by: [exact])\n\tsegments(filter: ImageSegmentFilter, order: ImageSegmentOrder, first: Int, offset: Int): [ImageSegment] @hasInverse(field: sourceImage)\n}\n\ntype ImageSegment {\n\tid: ID!\n\tupperLeftX: Float!\n\tupperLeftY: Float!\n\tlowerRightX: Float!\n\tlowerRightY: Float!\n\tsourceImage(filter: ImageFilter): Image! @hasInverse(field: segments)\n\tobjectPath: String\n}\n\n#######################\n# Extended Definitions\n#######################\n\nscalar DateTime\n\nenum DgraphIndex {\n\tint\n\tfloat\n\tbool\n\thash\n\texact\n\tterm\n\tfulltext\n\ttrigram\n\tregexp\n\tyear\n\tmonth\n\tday\n\thour\n}\n\ndirective @hasInverse(field: String!) on FIELD_DEFINITION\ndirective @search(by: [DgraphIndex!]) on FIELD_DEFINITION\ndirective @dgraph(type: String, pred: String) on OBJECT | INTERFACE | FIELD_DEFINITION\ndirective @id on FIELD_DEFINITION\ndirective @secret(field: String!, pred: String) on OBJECT | INTERFACE\n\ninput IntFilter {\n\teq: Int\n\tle: Int\n\tlt: Int\n\tge: Int\n\tgt: Int\n}\n\ninput FloatFilter {\n\teq: Float\n\tle: Float\n\tlt: Float\n\tge: Float\n\tgt: Float\n}\n\ninput DateTimeFilter {\n\teq: DateTime\n\tle: DateTime\n\tlt: DateTime\n\tge: DateTime\n\tgt: DateTime\n}\n\ninput StringTermFilter {\n\tallofterms: String\n\tanyofterms: String\n}\n\ninput StringRegExpFilter {\n\tregexp: String\n}\n\ninput StringFullTextFilter {\n\talloftext: String\n\tanyoftext: String\n}\n\ninput StringExactFilter {\n\teq: String\n\tle: String\n\tlt: String\n\tge: String\n\tgt: String\n}\n\ninput StringHashFilter {\n\teq: String\n}\n\n#######################\n# Generated Types\n#######################\n\ntype AddImagePayload {\n\timage(filter: ImageFilter, order: ImageOrder, first: Int, offset: Int): [Image]\n\tnumUids: Int\n}\n\ntype AddImageSegmentPayload {\n\timagesegment(filter: ImageSegmentFilter, order: ImageSegmentOrder, first: Int, offset: Int): [ImageSegment]\n\tnumUids: Int\n}\n\ntype DeleteImagePayload {\n\tmsg: String\n\tnumUids: Int\n}\n\ntype DeleteImageSegmentPayload {\n\tmsg: String\n\tnumUids: Int\n}\n\ntype UpdateImagePayload {\n\timage(filter: ImageFilter, order: ImageOrder, first: Int, offset: Int): [Image]\n\tnumUids: Int\n}\n\ntype UpdateImageSegmentPayload {\n\timagesegment(filter: ImageSegmentFilter, order: ImageSegmentOrder, first: Int, offset: Int): [ImageSegment]\n\tnumUids: Int\n}\n\n#######################\n# Generated Enums\n#######################\n\nenum ImageOrderable {\n\tobjectPath\n}\n\nenum ImageSegmentOrderable {\n\tupperLeftX\n\tupperLeftY\n\tlowerRightX\n\tlowerRightY\n\tobjectPath\n}\n\n#######################\n# Generated Inputs\n#######################\n\ninput AddImageInput {\n\tobjectPath: String!\n\tsegments: [ImageSegmentRef]\n}\n\ninput AddImageSegmentInput {\n\tupperLeftX: Float!\n\tupperLeftY: Float!\n\tlowerRightX: Float!\n\tlowerRightY: Float!\n\tsourceImage: ImageRef!\n\tobjectPath: String\n}\n\ninput ImageFilter {\n\tid: [ID!]\n\tobjectPath: StringExactFilter\n\tand: ImageFilter\n\tor: ImageFilter\n\tnot: ImageFilter\n}\n\ninput ImageOrder {\n\tasc: ImageOrderable\n\tdesc: ImageOrderable\n\tthen: ImageOrder\n}\n\ninput ImagePatch {\n\tobjectPath: String\n\tsegments: [ImageSegmentRef]\n}\n\ninput ImageRef {\n\tid: ID\n\tobjectPath: String\n\tsegments: [ImageSegmentRef]\n}\n\ninput ImageSegmentFilter {\n\tid: [ID!]\n\tnot: ImageSegmentFilter\n}\n\ninput ImageSegmentOrder {\n\tasc: ImageSegmentOrderable\n\tdesc: ImageSegmentOrderable\n\tthen: ImageSegmentOrder\n}\n\ninput ImageSegmentPatch {\n\tupperLeftX: Float\n\tupperLeftY: Float\n\tlowerRightX: Float\n\tlowerRightY: Float\n\tsourceImage: ImageRef\n\tobjectPath: String\n}\n\ninput ImageSegmentRef {\n\tid: ID\n\tupperLeftX: Float\n\tupperLeftY: Float\n\tlowerRightX: Float\n\tlowerRightY: Float\n\tsourceImage: ImageRef\n\tobjectPath: String\n}\n\ninput UpdateImageInput {\n\tfilter: ImageFilter!\n\tset: ImagePatch\n\tremove: ImagePatch\n}\n\ninput UpdateImageSegmentInput {\n\tfilter: ImageSegmentFilter!\n\tset: ImageSegmentPatch\n\tremove: ImageSegmentPatch\n}\n\n#######################\n# Generated Query\n#######################\n\ntype Query {\n\tgetImage(id: ID!): Image\n\tqueryImage(filter: ImageFilter, order: ImageOrder, first: Int, offset: Int): [Image]\n\tgetImageSegment(id: ID!): ImageSegment\n\tqueryImageSegment(filter: ImageSegmentFilter, order: ImageSegmentOrder, first: Int, offset: Int): [ImageSegment]\n}\n\n#######################\n# Generated Mutations\n#######################\n\ntype Mutation {\n\taddImage(input: [AddImageInput!]!): AddImagePayload\n\tupdateImage(input: UpdateImageInput!): UpdateImagePayload\n\tdeleteImage(filter: ImageFilter!): DeleteImagePayload\n\taddImageSegment(input: [AddImageSegmentInput!]!): AddImageSegmentPayload\n\tupdateImageSegment(input: UpdateImageSegmentInput!): UpdateImageSegmentPayload\n\tdeleteImageSegment(filter: ImageSegmentFilter!): DeleteImageSegmentPayload\n}\n`
+
+func TestParseQuery(t *testing.T) {
+	schema := getSchema()
+	query, err := gqlparser.LoadQuery(schema, `{
+getImage(id: "0x2") {
+  id
+  objectPath
+}
+}`)
+	if err != nil {
+		panic(err)
+	}
+	print(ast.Dump(schema.Mutation))
+	print(ast.Dump(query))
+}
+
+func getSchema() *ast.Schema {
+	schema, err := gqlparser.LoadSchema(&ast.Source{Input: gqlSchema})
+	if err != nil {
+		panic(err)
+	}
+	return schema
+}