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|
package json_test
import (
"math/big"
"testing"
"time"
"github.com/aws/smithy-go/document"
"github.com/aws/smithy-go/document/internal/serde"
"github.com/aws/smithy-go/document/json"
"github.com/google/go-cmp/cmp"
)
var decodeArrayTestCases = map[string]testCase{
"array not enough capacity": {
json: []byte(`["foo", "bar", "baz"]`),
actual: func() interface{} {
var v [2]string
return &v
}(),
want: [2]string{"foo", "bar"},
},
}
func TestDecoder_DecodeJSONInterface(t *testing.T) {
t.Run("Shared", func(t *testing.T) {
t.Run("Object", func(t *testing.T) {
for name, tt := range sharedObjectTests {
t.Run(name, func(t *testing.T) {
testDecodeJSONInterface(t, tt)
})
}
})
t.Run("Array", func(t *testing.T) {
for name, tt := range sharedArrayTestCases {
t.Run(name, func(t *testing.T) {
testDecodeJSONInterface(t, tt)
})
}
})
t.Run("Number", func(t *testing.T) {
for name, tt := range sharedNumberTestCases {
t.Run(name, func(t *testing.T) {
testDecodeJSONInterface(t, tt)
})
}
})
t.Run("String", func(t *testing.T) {
for name, tt := range sharedStringTests {
t.Run(name, func(t *testing.T) {
testDecodeJSONInterface(t, tt)
})
}
})
})
for name, tt := range decodeArrayTestCases {
t.Run("Array", func(t *testing.T) {
t.Run(name, func(t *testing.T) {
testDecodeJSONInterface(t, tt)
})
})
}
}
func TestNoSerde(t *testing.T) {
type noSerde = document.NoSerde
type InvalidType struct {
FieldName string
noSerde
}
var v InvalidType
err := json.NewDecoder().DecodeJSONInterface(MustJSONUnmarshal([]byte(`{
"FieldName": "value"
}`), true), &v)
if err == nil {
t.Fatalf("expect error, got nil")
}
type EmbedInvalidType struct {
FieldName string
TypeField InvalidType
}
var ev EmbedInvalidType
err = json.NewDecoder().DecodeJSONInterface(MustJSONUnmarshal([]byte(`{
"FieldName": "value",
"TypeField": {
"FieldName": "value"
}
}`), true), &ev)
if err == nil {
t.Fatalf("expect error, got nil")
}
}
func TestNewDecoderUnsupportedTypes(t *testing.T) {
cases := []struct {
input []byte
value interface{}
disableJSONNumber bool
}{
{
input: []byte(`1000000000`),
value: func() interface{} {
var t time.Time
return &t
}(),
},
{
input: []byte(`1000000000`),
value: func() interface{} {
var t time.Time
return &t
}(),
disableJSONNumber: true,
},
{
input: []byte(`{}`),
value: func() interface{} {
var t time.Time
return &t
}(),
},
{
input: []byte(`{}`),
value: func() interface{} {
type def interface {
String()
}
var i def
return &i
}(),
},
}
decoder := json.NewDecoder()
for _, tt := range cases {
err := decoder.DecodeJSONInterface(MustJSONUnmarshal(tt.input, !tt.disableJSONNumber), tt.value)
if err == nil {
t.Errorf("expect error, got nil")
}
}
}
func testDecodeJSONInterface(t *testing.T, tt testCase) {
t.Helper()
d := json.NewDecoder(func(options *json.DecoderOptions) {
*options = tt.decoderOptions
})
if err := d.DecodeJSONInterface(MustJSONUnmarshal(tt.json, !tt.disableJSONNumber), tt.actual); (err != nil) != tt.wantErr {
t.Errorf("DecodeJSONInterface() error = %v, wantErr %v", err, tt.wantErr)
}
if diff := cmp.Diff(
serde.PtrToValue(tt.want),
serde.PtrToValue(tt.actual),
cmp.AllowUnexported(StructA{}, StructB{}),
cmp.Comparer(cmpBigFloat()),
cmp.Comparer(cmpBigInt()),
); len(diff) > 0 {
t.Error(diff)
}
}
func cmpBigFloat() func(x big.Float, y big.Float) bool {
return func(x, y big.Float) bool {
return x.String() == y.String()
}
}
func cmpBigInt() func(x big.Int, y big.Int) bool {
return func(x, y big.Int) bool {
return x.String() == y.String()
}
}
|
