Fix typo (#355)

Signed-off-by: yhmo <yihua.mo@zilliz.com>

Author: yhmo

test/ut/TestDmlUtils.cpp

@@ -88,9 +88,9 @@ TEST_F(DmlUtilsTest, CreateMilvusFieldDataWithRange_Scalar) {
         CreateMilvusFieldData(CreateProtoFieldData(static_cast<const milvus::Field&>(string_field_data)), 1, 2));
     EXPECT_THAT(string_field_data_ptr->Data(), ElementsAre("b", "c"));
 
-    auto values =
-        std::vector<nlohmann::json>{R"({"name":"aaa","age":18,"score":88})", R"({"name":"bbb","age":19,"score":99})",
-                                    R"({"name":"ccc","age":15,"score":100})"};
+    std::vector<nlohmann::json> values{nlohmann::json::parse(R"({"name":"aaa","age":18,"score":88})"),
+                                       nlohmann::json::parse(R"({"name":"bbb","age":19,"score":99})"),
+                                       nlohmann::json::parse(R"({"name":"ccc","age":15,"score":100})")};
     milvus::JSONFieldData json_field_data{"foo", values};
     const auto json_field_data_ptr = std::dynamic_pointer_cast<const milvus::JSONFieldData>(
         CreateMilvusFieldData(CreateProtoFieldData(static_cast<const milvus::Field&>(json_field_data)), 1, 2));

test/ut/TestDqlUtils.cpp

@@ -113,9 +113,10 @@ TEST_F(DqlUtilsTest, CopyFieldDataTest) {
         TestCopyFieldData<milvus::VarCharFieldData, std::string>(src_data);
     }
     {
-        std::vector<nlohmann::json> src_data{R"({"name":"aaa","age":18,"score":88})", R"({"flag":true})",
-                                             R"({"name":"bbb","array":[1, 2, 3]})",
-                                             R"({"id":10,"desc":{"flag": false}})", R"({"id":8})"};
+        std::vector<nlohmann::json> src_data{
+            nlohmann::json::parse(R"({"name":"aaa","age":18,"score":88})"), nlohmann::json::parse(R"({"flag":true})"),
+            nlohmann::json::parse(R"({"name":"bbb","array":[1, 2, 3]})"),
+            nlohmann::json::parse(R"({"id":10,"desc":{"flag": false}})"), nlohmann::json::parse(R"({"id":8})")};
         TestCopyFieldData<milvus::JSONFieldData, nlohmann::json>(src_data);
     }
     {

test/ut/TestFieldData.cpp

@@ -174,8 +174,8 @@ TEST_F(FieldDataTest, ScalarFields) {
     }
 
     {
-        auto j1 = R"({"name":"aaa","age":18,"score":88})";
-        auto j2 = R"({"name":"bbb","age":20,"score":99})";
+        auto j1 = nlohmann::json::parse(R"({"name":"aaa","age":18,"score":88})");
+        auto j2 = nlohmann::json::parse(R"({"name":"bbb","age":20,"score":99})");
         milvus::JSONFieldData data{name};
         data.Add(j1);
         data.Add(j2);

test/ut/TestTypeUtils.cpp

@@ -262,7 +262,7 @@ TEST_F(TypeUtilsTest, StringFieldNotEquals) {
 }
 
 TEST_F(TypeUtilsTest, JSONFieldEqualsAndCast) {
-    auto values = std::vector<nlohmann::json>{R"({"name":"aaa","age":18,"score":88})"};
+    auto values = std::vector<nlohmann::json>{nlohmann::json::parse(R"({"name":"aaa","age":18,"score":88})")};
     milvus::JSONFieldData json_field_data{"foo", values};
     auto proto_field_data = CreateProtoFieldData(static_cast<const milvus::Field&>(json_field_data));
     auto json_field_data_ptr = CreateMilvusFieldData(proto_field_data);
@@ -273,7 +273,7 @@ TEST_F(TypeUtilsTest, JSONFieldEqualsAndCast) {
 
 TEST_F(TypeUtilsTest, JSONFieldNotEquals) {
     const std::string field_name = "foo";
-    auto values = std::vector<nlohmann::json>{R"({"name":"aaa","age":18,"score":88})"};
+    auto values = std::vector<nlohmann::json>{nlohmann::json::parse(R"({"name":"aaa","age":18,"score":88})")};
     milvus::JSONFieldData json_field{field_name, values};
     milvus::proto::schema::FieldData proto_field;
     proto_field.set_field_name("_");
@@ -291,8 +291,8 @@ TEST_F(TypeUtilsTest, JSONFieldNotEquals) {
     json_scalars->add_data(values.at(0).dump());
     EXPECT_TRUE(proto_field == json_field);
 
-    nlohmann::json a1 = R"({"name":"aaa","age":18,"score":88})";
-    nlohmann::json a2 = R"({"name":"aaa","age":17,"score":77})";
+    auto a1 = nlohmann::json::parse(R"({"name":"aaa","age":18,"score":88})");
+    auto a2 = nlohmann::json::parse(R"({"name":"aaa","age":17,"score":77})");
     json_field.Add(a1);
     json_scalars->add_data(a2.dump());
     EXPECT_FALSE(proto_field == json_field);