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package mapstructure
import "testing"
// GH-1
func TestDecode_NilValue(t *testing.T) {
input := map[string]interface{}{
"vfoo": nil,
"vother": nil,
}
var result Map
err := Decode(input, &result)
if err != nil {
t.Fatalf("should not error: %s", err)
}
if result.Vfoo != "" {
t.Fatalf("value should be default: %s", result.Vfoo)
}
if result.Vother != nil {
t.Fatalf("Vother should be nil: %s", result.Vother)
}
}
// GH-10
func TestDecode_mapInterfaceInterface(t *testing.T) {
input := map[interface{}]interface{}{
"vfoo": nil,
"vother": nil,
}
var result Map
err := Decode(input, &result)
if err != nil {
t.Fatalf("should not error: %s", err)
}
if result.Vfoo != "" {
t.Fatalf("value should be default: %s", result.Vfoo)
}
if result.Vother != nil {
t.Fatalf("Vother should be nil: %s", result.Vother)
}
}
// #48
func TestNestedTypePointerWithDefaults(t *testing.T) {
t.Parallel()
input := map[string]interface{}{
"vfoo": "foo",
"vbar": map[string]interface{}{
"vstring": "foo",
"vint": 42,
"vbool": true,
},
}
result := NestedPointer{
Vbar: &Basic{
Vuint: 42,
},
}
err := Decode(input, &result)
if err != nil {
t.Fatalf("got an err: %s", err.Error())
}
if result.Vfoo != "foo" {
t.Errorf("vfoo value should be 'foo': %#v", result.Vfoo)
}
if result.Vbar.Vstring != "foo" {
t.Errorf("vstring value should be 'foo': %#v", result.Vbar.Vstring)
}
if result.Vbar.Vint != 42 {
t.Errorf("vint value should be 42: %#v", result.Vbar.Vint)
}
if result.Vbar.Vbool != true {
t.Errorf("vbool value should be true: %#v", result.Vbar.Vbool)
}
if result.Vbar.Vextra != "" {
t.Errorf("vextra value should be empty: %#v", result.Vbar.Vextra)
}
// this is the error
if result.Vbar.Vuint != 42 {
t.Errorf("vuint value should be 42: %#v", result.Vbar.Vuint)
}
}
type NestedSlice struct {
Vfoo string
Vbars []Basic
Vempty []Basic
}
// #48
func TestNestedTypeSliceWithDefaults(t *testing.T) {
t.Parallel()
input := map[string]interface{}{
"vfoo": "foo",
"vbars": []map[string]interface{}{
{"vstring": "foo", "vint": 42, "vbool": true},
{"vint": 42, "vbool": true},
},
"vempty": []map[string]interface{}{
{"vstring": "foo", "vint": 42, "vbool": true},
{"vint": 42, "vbool": true},
},
}
result := NestedSlice{
Vbars: []Basic{
{Vuint: 42},
{Vstring: "foo"},
},
}
err := Decode(input, &result)
if err != nil {
t.Fatalf("got an err: %s", err.Error())
}
if result.Vfoo != "foo" {
t.Errorf("vfoo value should be 'foo': %#v", result.Vfoo)
}
if result.Vbars[0].Vstring != "foo" {
t.Errorf("vstring value should be 'foo': %#v", result.Vbars[0].Vstring)
}
// this is the error
if result.Vbars[0].Vuint != 42 {
t.Errorf("vuint value should be 42: %#v", result.Vbars[0].Vuint)
}
}
// #48 workaround
func TestNestedTypeWithDefaults(t *testing.T) {
t.Parallel()
input := map[string]interface{}{
"vfoo": "foo",
"vbar": map[string]interface{}{
"vstring": "foo",
"vint": 42,
"vbool": true,
},
}
result := Nested{
Vbar: Basic{
Vuint: 42,
},
}
err := Decode(input, &result)
if err != nil {
t.Fatalf("got an err: %s", err.Error())
}
if result.Vfoo != "foo" {
t.Errorf("vfoo value should be 'foo': %#v", result.Vfoo)
}
if result.Vbar.Vstring != "foo" {
t.Errorf("vstring value should be 'foo': %#v", result.Vbar.Vstring)
}
if result.Vbar.Vint != 42 {
t.Errorf("vint value should be 42: %#v", result.Vbar.Vint)
}
if result.Vbar.Vbool != true {
t.Errorf("vbool value should be true: %#v", result.Vbar.Vbool)
}
if result.Vbar.Vextra != "" {
t.Errorf("vextra value should be empty: %#v", result.Vbar.Vextra)
}
// this is the error
if result.Vbar.Vuint != 42 {
t.Errorf("vuint value should be 42: %#v", result.Vbar.Vuint)
}
}
// #67 panic() on extending slices (decodeSlice with disabled ZeroValues)
func TestDecodeSliceToEmptySliceWOZeroing(t *testing.T) {
t.Parallel()
type TestStruct struct {
Vfoo []string
}
decode := func(m interface{}, rawVal interface{}) error {
config := &DecoderConfig{
Metadata: nil,
Result: rawVal,
ZeroFields: false,
}
decoder, err := NewDecoder(config)
if err != nil {
return err
}
return decoder.Decode(m)
}
{
input := map[string]interface{}{
"vfoo": []string{"1"},
}
result := &TestStruct{}
err := decode(input, &result)
if err != nil {
t.Fatalf("got an err: %s", err.Error())
}
}
{
input := map[string]interface{}{
"vfoo": []string{"1"},
}
result := &TestStruct{
Vfoo: []string{},
}
err := decode(input, &result)
if err != nil {
t.Fatalf("got an err: %s", err.Error())
}
}
{
input := map[string]interface{}{
"vfoo": []string{"2", "3"},
}
result := &TestStruct{
Vfoo: []string{"1"},
}
err := decode(input, &result)
if err != nil {
t.Fatalf("got an err: %s", err.Error())
}
}
}
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