ceph/src/jaegertracing/thrift/lib/go/test/tests/gotag_test.go

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements. See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership. The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License. You may obtain a copy of the License at
   9  *
  10  *   http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing,
  13  * software distributed under the License is distributed on an
  14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15  * KIND, either express or implied. See the License for the
  16  * specific language governing permissions and limitations
  17  * under the License.
  18  */
  19
  20 package tests
  21
  22 import (
  23         "gotagtest"
  24         "reflect"
  25         "testing"
  26 )
  27
  28 func TestDefaultTag(t *testing.T) {
  29         s := gotagtest.Tagged{}
  30         st := reflect.TypeOf(s)
  31         field, ok := st.FieldByName("StringThing")
  32         if !ok || field.Tag.Get("json") != "string_thing" {
  33                 t.Error("Unexpected default tag value")
  34         }
  35 }
  36
  37 func TestCustomTag(t *testing.T) {
  38         s := gotagtest.Tagged{}
  39         st := reflect.TypeOf(s)
  40         field, ok := st.FieldByName("IntThing")
  41         if !ok || field.Tag.Get("json") != "int_thing,string" {
  42                 t.Error("Unexpected custom tag value")
  43         }
  44 }
  45
  46 func TestOptionalTag(t *testing.T) {
  47         s := gotagtest.Tagged{}
  48         st := reflect.TypeOf(s)
  49         field, ok := st.FieldByName("OptionalIntThing")
  50         if !ok || field.Tag.Get("json") != "optional_int_thing,omitempty" {
  51                 t.Error("Unexpected default tag value for optional field")
  52         }
  53 }
  54
  55 func TestOptionalTagWithDefaultValue(t *testing.T) {
  56         s := gotagtest.Tagged{}
  57         st := reflect.TypeOf(s)
  58         field, ok := st.FieldByName("OptionalBoolThing")
  59         if !ok || field.Tag.Get("json") != "optional_bool_thing" {
  60                 t.Error("Unexpected default tag value for optional field that has a default value")
  61         }
  62 }