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field_test.go
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field_test.go
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package protoenc_test
import (
"reflect"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/siderolabs/protoenc"
)
func TestStructFields_EmbedStruct(t *testing.T) {
t.Parallel()
s := &StructWithEmbed{
A: 11,
EmbedStruct: &EmbedStruct{
A: 111,
B: 112,
C: 113,
},
}
val := reflect.ValueOf(s)
actual := must(protoenc.StructFields(val.Type()))(t)
for _, f := range actual {
f.Field = reflect.StructField{} //nolint:govet
}
expected := []*protoenc.FieldData{
{1, []int{0}, reflect.StructField{}},
{9, []int{1, 0}, reflect.StructField{}},
{10, []int{1, 1}, reflect.StructField{}},
{11, []int{1, 2}, reflect.StructField{}},
}
assert.Equal(t, len(expected), len(actual))
for i := range expected {
assert.Equal(t, expected[i].Num, actual[i].Num)
assert.Equal(t, expected[i].FieldIndex, actual[i].FieldIndex)
}
expectedValues := []int64{11, 111, 112, 113}
for i := range expectedValues {
assert.Equal(t, expectedValues[i], val.Elem().FieldByIndex(actual[i].FieldIndex).Int())
}
}
//nolint:govet
type StructWithEmbed struct {
A int32 `protobuf:"1"`
*EmbedStruct
}
type EmbedStruct struct {
A int32 `protobuf:"9"`
B int32 `protobuf:"10"`
C int32 `protobuf:"11"`
}
func TestStructFields_DuplicateIDNotAllowed(t *testing.T) {
t.Parallel()
v := reflect.TypeOf(&StructWithDuplicates{})
_, err := protoenc.StructFields(v)
require.Error(t, err)
assert.Contains(t, err.Error(), " duplicated in ")
}
type StructWithDuplicates struct {
Field1 int32 `protobuf:"1"`
Field2 int32 `protobuf:"2"`
Field3 int32 `protobuf:"1"`
}