GetEntityPtrs test added

reflect/extract_by_tags.go

@@ -19,8 +19,7 @@ func GetEntityPtrs(dstItem any, tag string) (dstItemPtrsMap map[string]any, err
 		field := t.Field(i)
 		dbTag := field.Tag.Get(tag)
 		if dbTag != "" {
-			valueField := v.Field(i).Addr().Interface()
+			dstItemPtrsMap[dbTag] = v.Field(i).Addr().Interface()
-			dstItemPtrsMap[dbTag] = &valueField
 		}
 	}
 

reflect/extract_by_tags_test.go

@@ -0,0 +1,39 @@
+package reflectUtils
+
+import "testing"
+
+type TestStruct struct {
+	TestVal1 string `test:"test1"`
+	TestVal2 string `test:"test2"`
+	TestVal3 string `test:"test3"`
+}
+
+func TestGetEntityPtrs(t *testing.T) {
+	dst := &TestStruct{
+		TestVal1: "test1",
+		TestVal2: "test2",
+		TestVal3: "test3",
+	}
+	ptrsMap, err := GetEntityPtrs(dst, "test")
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	valsCounter := 0
+	for tag, ptr := range ptrsMap {
+		if ptr == nil {
+			t.Fatalf("unexpected nil pointer in a structure")
+			return
+		}
+		val, ok := ptr.(*string)
+		if !ok {
+			t.Fatal("failed to extract ptr")
+		} else if *val != tag {
+			t.Fatalf("unecpected value: expected test, but got %s", *val)
+		}
+		valsCounter++
+	}
+	if valsCounter != 3 {
+		t.Fatalf("some values are missing")
+	}
+}