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| // Copyright 2019 Google Inc. All rights reserved.
| //
| // Licensed under the Apache License, Version 2.0 (the "License");
| // you may not use this file except in compliance with the License.
| // You may obtain a copy of the License at
| //
| // http://www.apache.org/licenses/LICENSE-2.0
| //
| // Unless required by applicable law or agreed to in writing, software
| // distributed under the License is distributed on an "AS IS" BASIS,
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| // See the License for the specific language governing permissions and
| // limitations under the License.
|
| package proptools
|
| import (
| "reflect"
| "testing"
| )
|
| func TestHasTag(t *testing.T) {
| type testType struct {
| NoTag string
| EmptyTag string ``
| OtherTag string `foo:"bar"`
| MatchingTag string `name:"value"`
| ExtraValues string `name:"foo,value,bar"`
| ExtraTags string `foo:"bar" name:"value"`
| }
|
| tests := []struct {
| field string
| want bool
| }{
| {
| field: "NoTag",
| want: false,
| },
| {
| field: "EmptyTag",
| want: false,
| },
| {
| field: "OtherTag",
| want: false,
| },
| {
| field: "MatchingTag",
| want: true,
| },
| {
| field: "ExtraValues",
| want: true,
| },
| {
| field: "ExtraTags",
| want: true,
| },
| }
| for _, test := range tests {
| t.Run(test.field, func(t *testing.T) {
| field, _ := reflect.TypeOf(testType{}).FieldByName(test.field)
| if got := HasTag(field, "name", "value"); got != test.want {
| t.Errorf(`HasTag(%q, "name", "value") = %v, want %v`, field.Tag, got, test.want)
| }
| })
| }
| }
|
| func TestPropertyIndexesWithTag(t *testing.T) {
| tests := []struct {
| name string
| ps interface{}
| want [][]int
| }{
| {
| name: "none",
| ps: &struct {
| Foo string
| }{},
| want: nil,
| },
| {
| name: "one",
| ps: &struct {
| Foo string `name:"value"`
| }{},
| want: [][]int{{0}},
| },
| {
| name: "two",
| ps: &struct {
| Foo string `name:"value"`
| Bar string `name:"value"`
| }{},
| want: [][]int{{0}, {1}},
| },
| {
| name: "some",
| ps: &struct {
| Foo string `name:"other"`
| Bar string `name:"value"`
| }{},
| want: [][]int{{1}},
| },
| {
| name: "embedded",
| ps: &struct {
| Foo struct {
| Bar string `name:"value"`
| }
| }{},
| want: [][]int{{0, 0}},
| },
| {
| name: "embedded ptr",
| ps: &struct {
| Foo *struct {
| Bar string `name:"value"`
| }
| }{},
| want: [][]int{{0, 0}},
| },
| {
| name: "nil",
| ps: (*struct {
| Foo string `name:"value"`
| })(nil),
| want: [][]int{{0}},
| },
| }
| for _, test := range tests {
| t.Run(test.name, func(t *testing.T) {
| if got := PropertyIndexesWithTag(test.ps, "name", "value"); !reflect.DeepEqual(got, test.want) {
| t.Errorf("PropertyIndexesWithTag() = %v, want %v", got, test.want)
| }
| })
| }
| }
|
|
