[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/github.com/json-iterator/go/reflect_extension.go b/vendor/github.com/json-iterator/go/reflect_extension.go
new file mode 100644
index 0000000..05e8fbf
--- /dev/null
+++ b/vendor/github.com/json-iterator/go/reflect_extension.go
@@ -0,0 +1,483 @@
+package jsoniter
+
+import (
+ "fmt"
+ "github.com/modern-go/reflect2"
+ "reflect"
+ "sort"
+ "strings"
+ "unicode"
+ "unsafe"
+)
+
+var typeDecoders = map[string]ValDecoder{}
+var fieldDecoders = map[string]ValDecoder{}
+var typeEncoders = map[string]ValEncoder{}
+var fieldEncoders = map[string]ValEncoder{}
+var extensions = []Extension{}
+
+// StructDescriptor describe how should we encode/decode the struct
+type StructDescriptor struct {
+ Type reflect2.Type
+ Fields []*Binding
+}
+
+// GetField get one field from the descriptor by its name.
+// Can not use map here to keep field orders.
+func (structDescriptor *StructDescriptor) GetField(fieldName string) *Binding {
+ for _, binding := range structDescriptor.Fields {
+ if binding.Field.Name() == fieldName {
+ return binding
+ }
+ }
+ return nil
+}
+
+// Binding describe how should we encode/decode the struct field
+type Binding struct {
+ levels []int
+ Field reflect2.StructField
+ FromNames []string
+ ToNames []string
+ Encoder ValEncoder
+ Decoder ValDecoder
+}
+
+// Extension the one for all SPI. Customize encoding/decoding by specifying alternate encoder/decoder.
+// Can also rename fields by UpdateStructDescriptor.
+type Extension interface {
+ UpdateStructDescriptor(structDescriptor *StructDescriptor)
+ CreateMapKeyDecoder(typ reflect2.Type) ValDecoder
+ CreateMapKeyEncoder(typ reflect2.Type) ValEncoder
+ CreateDecoder(typ reflect2.Type) ValDecoder
+ CreateEncoder(typ reflect2.Type) ValEncoder
+ DecorateDecoder(typ reflect2.Type, decoder ValDecoder) ValDecoder
+ DecorateEncoder(typ reflect2.Type, encoder ValEncoder) ValEncoder
+}
+
+// DummyExtension embed this type get dummy implementation for all methods of Extension
+type DummyExtension struct {
+}
+
+// UpdateStructDescriptor No-op
+func (extension *DummyExtension) UpdateStructDescriptor(structDescriptor *StructDescriptor) {
+}
+
+// CreateMapKeyDecoder No-op
+func (extension *DummyExtension) CreateMapKeyDecoder(typ reflect2.Type) ValDecoder {
+ return nil
+}
+
+// CreateMapKeyEncoder No-op
+func (extension *DummyExtension) CreateMapKeyEncoder(typ reflect2.Type) ValEncoder {
+ return nil
+}
+
+// CreateDecoder No-op
+func (extension *DummyExtension) CreateDecoder(typ reflect2.Type) ValDecoder {
+ return nil
+}
+
+// CreateEncoder No-op
+func (extension *DummyExtension) CreateEncoder(typ reflect2.Type) ValEncoder {
+ return nil
+}
+
+// DecorateDecoder No-op
+func (extension *DummyExtension) DecorateDecoder(typ reflect2.Type, decoder ValDecoder) ValDecoder {
+ return decoder
+}
+
+// DecorateEncoder No-op
+func (extension *DummyExtension) DecorateEncoder(typ reflect2.Type, encoder ValEncoder) ValEncoder {
+ return encoder
+}
+
+type EncoderExtension map[reflect2.Type]ValEncoder
+
+// UpdateStructDescriptor No-op
+func (extension EncoderExtension) UpdateStructDescriptor(structDescriptor *StructDescriptor) {
+}
+
+// CreateDecoder No-op
+func (extension EncoderExtension) CreateDecoder(typ reflect2.Type) ValDecoder {
+ return nil
+}
+
+// CreateEncoder get encoder from map
+func (extension EncoderExtension) CreateEncoder(typ reflect2.Type) ValEncoder {
+ return extension[typ]
+}
+
+// CreateMapKeyDecoder No-op
+func (extension EncoderExtension) CreateMapKeyDecoder(typ reflect2.Type) ValDecoder {
+ return nil
+}
+
+// CreateMapKeyEncoder No-op
+func (extension EncoderExtension) CreateMapKeyEncoder(typ reflect2.Type) ValEncoder {
+ return nil
+}
+
+// DecorateDecoder No-op
+func (extension EncoderExtension) DecorateDecoder(typ reflect2.Type, decoder ValDecoder) ValDecoder {
+ return decoder
+}
+
+// DecorateEncoder No-op
+func (extension EncoderExtension) DecorateEncoder(typ reflect2.Type, encoder ValEncoder) ValEncoder {
+ return encoder
+}
+
+type DecoderExtension map[reflect2.Type]ValDecoder
+
+// UpdateStructDescriptor No-op
+func (extension DecoderExtension) UpdateStructDescriptor(structDescriptor *StructDescriptor) {
+}
+
+// CreateMapKeyDecoder No-op
+func (extension DecoderExtension) CreateMapKeyDecoder(typ reflect2.Type) ValDecoder {
+ return nil
+}
+
+// CreateMapKeyEncoder No-op
+func (extension DecoderExtension) CreateMapKeyEncoder(typ reflect2.Type) ValEncoder {
+ return nil
+}
+
+// CreateDecoder get decoder from map
+func (extension DecoderExtension) CreateDecoder(typ reflect2.Type) ValDecoder {
+ return extension[typ]
+}
+
+// CreateEncoder No-op
+func (extension DecoderExtension) CreateEncoder(typ reflect2.Type) ValEncoder {
+ return nil
+}
+
+// DecorateDecoder No-op
+func (extension DecoderExtension) DecorateDecoder(typ reflect2.Type, decoder ValDecoder) ValDecoder {
+ return decoder
+}
+
+// DecorateEncoder No-op
+func (extension DecoderExtension) DecorateEncoder(typ reflect2.Type, encoder ValEncoder) ValEncoder {
+ return encoder
+}
+
+type funcDecoder struct {
+ fun DecoderFunc
+}
+
+func (decoder *funcDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
+ decoder.fun(ptr, iter)
+}
+
+type funcEncoder struct {
+ fun EncoderFunc
+ isEmptyFunc func(ptr unsafe.Pointer) bool
+}
+
+func (encoder *funcEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ encoder.fun(ptr, stream)
+}
+
+func (encoder *funcEncoder) IsEmpty(ptr unsafe.Pointer) bool {
+ if encoder.isEmptyFunc == nil {
+ return false
+ }
+ return encoder.isEmptyFunc(ptr)
+}
+
+// DecoderFunc the function form of TypeDecoder
+type DecoderFunc func(ptr unsafe.Pointer, iter *Iterator)
+
+// EncoderFunc the function form of TypeEncoder
+type EncoderFunc func(ptr unsafe.Pointer, stream *Stream)
+
+// RegisterTypeDecoderFunc register TypeDecoder for a type with function
+func RegisterTypeDecoderFunc(typ string, fun DecoderFunc) {
+ typeDecoders[typ] = &funcDecoder{fun}
+}
+
+// RegisterTypeDecoder register TypeDecoder for a typ
+func RegisterTypeDecoder(typ string, decoder ValDecoder) {
+ typeDecoders[typ] = decoder
+}
+
+// RegisterFieldDecoderFunc register TypeDecoder for a struct field with function
+func RegisterFieldDecoderFunc(typ string, field string, fun DecoderFunc) {
+ RegisterFieldDecoder(typ, field, &funcDecoder{fun})
+}
+
+// RegisterFieldDecoder register TypeDecoder for a struct field
+func RegisterFieldDecoder(typ string, field string, decoder ValDecoder) {
+ fieldDecoders[fmt.Sprintf("%s/%s", typ, field)] = decoder
+}
+
+// RegisterTypeEncoderFunc register TypeEncoder for a type with encode/isEmpty function
+func RegisterTypeEncoderFunc(typ string, fun EncoderFunc, isEmptyFunc func(unsafe.Pointer) bool) {
+ typeEncoders[typ] = &funcEncoder{fun, isEmptyFunc}
+}
+
+// RegisterTypeEncoder register TypeEncoder for a type
+func RegisterTypeEncoder(typ string, encoder ValEncoder) {
+ typeEncoders[typ] = encoder
+}
+
+// RegisterFieldEncoderFunc register TypeEncoder for a struct field with encode/isEmpty function
+func RegisterFieldEncoderFunc(typ string, field string, fun EncoderFunc, isEmptyFunc func(unsafe.Pointer) bool) {
+ RegisterFieldEncoder(typ, field, &funcEncoder{fun, isEmptyFunc})
+}
+
+// RegisterFieldEncoder register TypeEncoder for a struct field
+func RegisterFieldEncoder(typ string, field string, encoder ValEncoder) {
+ fieldEncoders[fmt.Sprintf("%s/%s", typ, field)] = encoder
+}
+
+// RegisterExtension register extension
+func RegisterExtension(extension Extension) {
+ extensions = append(extensions, extension)
+}
+
+func getTypeDecoderFromExtension(ctx *ctx, typ reflect2.Type) ValDecoder {
+ decoder := _getTypeDecoderFromExtension(ctx, typ)
+ if decoder != nil {
+ for _, extension := range extensions {
+ decoder = extension.DecorateDecoder(typ, decoder)
+ }
+ decoder = ctx.decoderExtension.DecorateDecoder(typ, decoder)
+ for _, extension := range ctx.extraExtensions {
+ decoder = extension.DecorateDecoder(typ, decoder)
+ }
+ }
+ return decoder
+}
+func _getTypeDecoderFromExtension(ctx *ctx, typ reflect2.Type) ValDecoder {
+ for _, extension := range extensions {
+ decoder := extension.CreateDecoder(typ)
+ if decoder != nil {
+ return decoder
+ }
+ }
+ decoder := ctx.decoderExtension.CreateDecoder(typ)
+ if decoder != nil {
+ return decoder
+ }
+ for _, extension := range ctx.extraExtensions {
+ decoder := extension.CreateDecoder(typ)
+ if decoder != nil {
+ return decoder
+ }
+ }
+ typeName := typ.String()
+ decoder = typeDecoders[typeName]
+ if decoder != nil {
+ return decoder
+ }
+ if typ.Kind() == reflect.Ptr {
+ ptrType := typ.(*reflect2.UnsafePtrType)
+ decoder := typeDecoders[ptrType.Elem().String()]
+ if decoder != nil {
+ return &OptionalDecoder{ptrType.Elem(), decoder}
+ }
+ }
+ return nil
+}
+
+func getTypeEncoderFromExtension(ctx *ctx, typ reflect2.Type) ValEncoder {
+ encoder := _getTypeEncoderFromExtension(ctx, typ)
+ if encoder != nil {
+ for _, extension := range extensions {
+ encoder = extension.DecorateEncoder(typ, encoder)
+ }
+ encoder = ctx.encoderExtension.DecorateEncoder(typ, encoder)
+ for _, extension := range ctx.extraExtensions {
+ encoder = extension.DecorateEncoder(typ, encoder)
+ }
+ }
+ return encoder
+}
+
+func _getTypeEncoderFromExtension(ctx *ctx, typ reflect2.Type) ValEncoder {
+ for _, extension := range extensions {
+ encoder := extension.CreateEncoder(typ)
+ if encoder != nil {
+ return encoder
+ }
+ }
+ encoder := ctx.encoderExtension.CreateEncoder(typ)
+ if encoder != nil {
+ return encoder
+ }
+ for _, extension := range ctx.extraExtensions {
+ encoder := extension.CreateEncoder(typ)
+ if encoder != nil {
+ return encoder
+ }
+ }
+ typeName := typ.String()
+ encoder = typeEncoders[typeName]
+ if encoder != nil {
+ return encoder
+ }
+ if typ.Kind() == reflect.Ptr {
+ typePtr := typ.(*reflect2.UnsafePtrType)
+ encoder := typeEncoders[typePtr.Elem().String()]
+ if encoder != nil {
+ return &OptionalEncoder{encoder}
+ }
+ }
+ return nil
+}
+
+func describeStruct(ctx *ctx, typ reflect2.Type) *StructDescriptor {
+ structType := typ.(*reflect2.UnsafeStructType)
+ embeddedBindings := []*Binding{}
+ bindings := []*Binding{}
+ for i := 0; i < structType.NumField(); i++ {
+ field := structType.Field(i)
+ tag, hastag := field.Tag().Lookup(ctx.getTagKey())
+ if ctx.onlyTaggedField && !hastag && !field.Anonymous() {
+ continue
+ }
+ tagParts := strings.Split(tag, ",")
+ if tag == "-" {
+ continue
+ }
+ if field.Anonymous() && (tag == "" || tagParts[0] == "") {
+ if field.Type().Kind() == reflect.Struct {
+ structDescriptor := describeStruct(ctx, field.Type())
+ for _, binding := range structDescriptor.Fields {
+ binding.levels = append([]int{i}, binding.levels...)
+ omitempty := binding.Encoder.(*structFieldEncoder).omitempty
+ binding.Encoder = &structFieldEncoder{field, binding.Encoder, omitempty}
+ binding.Decoder = &structFieldDecoder{field, binding.Decoder}
+ embeddedBindings = append(embeddedBindings, binding)
+ }
+ continue
+ } else if field.Type().Kind() == reflect.Ptr {
+ ptrType := field.Type().(*reflect2.UnsafePtrType)
+ if ptrType.Elem().Kind() == reflect.Struct {
+ structDescriptor := describeStruct(ctx, ptrType.Elem())
+ for _, binding := range structDescriptor.Fields {
+ binding.levels = append([]int{i}, binding.levels...)
+ omitempty := binding.Encoder.(*structFieldEncoder).omitempty
+ binding.Encoder = &dereferenceEncoder{binding.Encoder}
+ binding.Encoder = &structFieldEncoder{field, binding.Encoder, omitempty}
+ binding.Decoder = &dereferenceDecoder{ptrType.Elem(), binding.Decoder}
+ binding.Decoder = &structFieldDecoder{field, binding.Decoder}
+ embeddedBindings = append(embeddedBindings, binding)
+ }
+ continue
+ }
+ }
+ }
+ fieldNames := calcFieldNames(field.Name(), tagParts[0], tag)
+ fieldCacheKey := fmt.Sprintf("%s/%s", typ.String(), field.Name())
+ decoder := fieldDecoders[fieldCacheKey]
+ if decoder == nil {
+ decoder = decoderOfType(ctx.append(field.Name()), field.Type())
+ }
+ encoder := fieldEncoders[fieldCacheKey]
+ if encoder == nil {
+ encoder = encoderOfType(ctx.append(field.Name()), field.Type())
+ }
+ binding := &Binding{
+ Field: field,
+ FromNames: fieldNames,
+ ToNames: fieldNames,
+ Decoder: decoder,
+ Encoder: encoder,
+ }
+ binding.levels = []int{i}
+ bindings = append(bindings, binding)
+ }
+ return createStructDescriptor(ctx, typ, bindings, embeddedBindings)
+}
+func createStructDescriptor(ctx *ctx, typ reflect2.Type, bindings []*Binding, embeddedBindings []*Binding) *StructDescriptor {
+ structDescriptor := &StructDescriptor{
+ Type: typ,
+ Fields: bindings,
+ }
+ for _, extension := range extensions {
+ extension.UpdateStructDescriptor(structDescriptor)
+ }
+ ctx.encoderExtension.UpdateStructDescriptor(structDescriptor)
+ ctx.decoderExtension.UpdateStructDescriptor(structDescriptor)
+ for _, extension := range ctx.extraExtensions {
+ extension.UpdateStructDescriptor(structDescriptor)
+ }
+ processTags(structDescriptor, ctx.frozenConfig)
+ // merge normal & embedded bindings & sort with original order
+ allBindings := sortableBindings(append(embeddedBindings, structDescriptor.Fields...))
+ sort.Sort(allBindings)
+ structDescriptor.Fields = allBindings
+ return structDescriptor
+}
+
+type sortableBindings []*Binding
+
+func (bindings sortableBindings) Len() int {
+ return len(bindings)
+}
+
+func (bindings sortableBindings) Less(i, j int) bool {
+ left := bindings[i].levels
+ right := bindings[j].levels
+ k := 0
+ for {
+ if left[k] < right[k] {
+ return true
+ } else if left[k] > right[k] {
+ return false
+ }
+ k++
+ }
+}
+
+func (bindings sortableBindings) Swap(i, j int) {
+ bindings[i], bindings[j] = bindings[j], bindings[i]
+}
+
+func processTags(structDescriptor *StructDescriptor, cfg *frozenConfig) {
+ for _, binding := range structDescriptor.Fields {
+ shouldOmitEmpty := false
+ tagParts := strings.Split(binding.Field.Tag().Get(cfg.getTagKey()), ",")
+ for _, tagPart := range tagParts[1:] {
+ if tagPart == "omitempty" {
+ shouldOmitEmpty = true
+ } else if tagPart == "string" {
+ if binding.Field.Type().Kind() == reflect.String {
+ binding.Decoder = &stringModeStringDecoder{binding.Decoder, cfg}
+ binding.Encoder = &stringModeStringEncoder{binding.Encoder, cfg}
+ } else {
+ binding.Decoder = &stringModeNumberDecoder{binding.Decoder}
+ binding.Encoder = &stringModeNumberEncoder{binding.Encoder}
+ }
+ }
+ }
+ binding.Decoder = &structFieldDecoder{binding.Field, binding.Decoder}
+ binding.Encoder = &structFieldEncoder{binding.Field, binding.Encoder, shouldOmitEmpty}
+ }
+}
+
+func calcFieldNames(originalFieldName string, tagProvidedFieldName string, wholeTag string) []string {
+ // ignore?
+ if wholeTag == "-" {
+ return []string{}
+ }
+ // rename?
+ var fieldNames []string
+ if tagProvidedFieldName == "" {
+ fieldNames = []string{originalFieldName}
+ } else {
+ fieldNames = []string{tagProvidedFieldName}
+ }
+ // private?
+ isNotExported := unicode.IsLower(rune(originalFieldName[0]))
+ if isNotExported {
+ fieldNames = []string{}
+ }
+ return fieldNames
+}