Grand test fixup (#138)

* start fixing up tests

* fix up tests + automate with drone

* fiddle with linting

* messing about with drone.yml

* some more fiddling

* hmmm

* add cache

* add vendor directory

* verbose

* ci updates

* update some little things

* update sig

vendor/github.com/vmihailenco/msgpack/v5/encode_value.go

@@ -0,0 +1,245 @@
+package msgpack
+
+import (
+	"encoding"
+	"fmt"
+	"reflect"
+)
+
+var valueEncoders []encoderFunc
+
+//nolint:gochecknoinits
+func init() {
+	valueEncoders = []encoderFunc{
+		reflect.Bool:          encodeBoolValue,
+		reflect.Int:           encodeIntValue,
+		reflect.Int8:          encodeInt8CondValue,
+		reflect.Int16:         encodeInt16CondValue,
+		reflect.Int32:         encodeInt32CondValue,
+		reflect.Int64:         encodeInt64CondValue,
+		reflect.Uint:          encodeUintValue,
+		reflect.Uint8:         encodeUint8CondValue,
+		reflect.Uint16:        encodeUint16CondValue,
+		reflect.Uint32:        encodeUint32CondValue,
+		reflect.Uint64:        encodeUint64CondValue,
+		reflect.Float32:       encodeFloat32Value,
+		reflect.Float64:       encodeFloat64Value,
+		reflect.Complex64:     encodeUnsupportedValue,
+		reflect.Complex128:    encodeUnsupportedValue,
+		reflect.Array:         encodeArrayValue,
+		reflect.Chan:          encodeUnsupportedValue,
+		reflect.Func:          encodeUnsupportedValue,
+		reflect.Interface:     encodeInterfaceValue,
+		reflect.Map:           encodeMapValue,
+		reflect.Ptr:           encodeUnsupportedValue,
+		reflect.Slice:         encodeSliceValue,
+		reflect.String:        encodeStringValue,
+		reflect.Struct:        encodeStructValue,
+		reflect.UnsafePointer: encodeUnsupportedValue,
+	}
+}
+
+func getEncoder(typ reflect.Type) encoderFunc {
+	if v, ok := typeEncMap.Load(typ); ok {
+		return v.(encoderFunc)
+	}
+	fn := _getEncoder(typ)
+	typeEncMap.Store(typ, fn)
+	return fn
+}
+
+func _getEncoder(typ reflect.Type) encoderFunc {
+	kind := typ.Kind()
+
+	if kind == reflect.Ptr {
+		if _, ok := typeEncMap.Load(typ.Elem()); ok {
+			return ptrEncoderFunc(typ)
+		}
+	}
+
+	if typ.Implements(customEncoderType) {
+		return encodeCustomValue
+	}
+	if typ.Implements(marshalerType) {
+		return marshalValue
+	}
+	if typ.Implements(binaryMarshalerType) {
+		return marshalBinaryValue
+	}
+	if typ.Implements(textMarshalerType) {
+		return marshalTextValue
+	}
+
+	// Addressable struct field value.
+	if kind != reflect.Ptr {
+		ptr := reflect.PtrTo(typ)
+		if ptr.Implements(customEncoderType) {
+			return encodeCustomValuePtr
+		}
+		if ptr.Implements(marshalerType) {
+			return marshalValuePtr
+		}
+		if ptr.Implements(binaryMarshalerType) {
+			return marshalBinaryValueAddr
+		}
+		if ptr.Implements(textMarshalerType) {
+			return marshalTextValueAddr
+		}
+	}
+
+	if typ == errorType {
+		return encodeErrorValue
+	}
+
+	switch kind {
+	case reflect.Ptr:
+		return ptrEncoderFunc(typ)
+	case reflect.Slice:
+		elem := typ.Elem()
+		if elem.Kind() == reflect.Uint8 {
+			return encodeByteSliceValue
+		}
+		if elem == stringType {
+			return encodeStringSliceValue
+		}
+	case reflect.Array:
+		if typ.Elem().Kind() == reflect.Uint8 {
+			return encodeByteArrayValue
+		}
+	case reflect.Map:
+		if typ.Key() == stringType {
+			switch typ.Elem() {
+			case stringType:
+				return encodeMapStringStringValue
+			case interfaceType:
+				return encodeMapStringInterfaceValue
+			}
+		}
+	}
+
+	return valueEncoders[kind]
+}
+
+func ptrEncoderFunc(typ reflect.Type) encoderFunc {
+	encoder := getEncoder(typ.Elem())
+	return func(e *Encoder, v reflect.Value) error {
+		if v.IsNil() {
+			return e.EncodeNil()
+		}
+		return encoder(e, v.Elem())
+	}
+}
+
+func encodeCustomValuePtr(e *Encoder, v reflect.Value) error {
+	if !v.CanAddr() {
+		return fmt.Errorf("msgpack: Encode(non-addressable %T)", v.Interface())
+	}
+	encoder := v.Addr().Interface().(CustomEncoder)
+	return encoder.EncodeMsgpack(e)
+}
+
+func encodeCustomValue(e *Encoder, v reflect.Value) error {
+	if nilable(v.Kind()) && v.IsNil() {
+		return e.EncodeNil()
+	}
+
+	encoder := v.Interface().(CustomEncoder)
+	return encoder.EncodeMsgpack(e)
+}
+
+func marshalValuePtr(e *Encoder, v reflect.Value) error {
+	if !v.CanAddr() {
+		return fmt.Errorf("msgpack: Encode(non-addressable %T)", v.Interface())
+	}
+	return marshalValue(e, v.Addr())
+}
+
+func marshalValue(e *Encoder, v reflect.Value) error {
+	if nilable(v.Kind()) && v.IsNil() {
+		return e.EncodeNil()
+	}
+
+	marshaler := v.Interface().(Marshaler)
+	b, err := marshaler.MarshalMsgpack()
+	if err != nil {
+		return err
+	}
+	_, err = e.w.Write(b)
+	return err
+}
+
+func encodeBoolValue(e *Encoder, v reflect.Value) error {
+	return e.EncodeBool(v.Bool())
+}
+
+func encodeInterfaceValue(e *Encoder, v reflect.Value) error {
+	if v.IsNil() {
+		return e.EncodeNil()
+	}
+	return e.EncodeValue(v.Elem())
+}
+
+func encodeErrorValue(e *Encoder, v reflect.Value) error {
+	if v.IsNil() {
+		return e.EncodeNil()
+	}
+	return e.EncodeString(v.Interface().(error).Error())
+}
+
+func encodeUnsupportedValue(e *Encoder, v reflect.Value) error {
+	return fmt.Errorf("msgpack: Encode(unsupported %s)", v.Type())
+}
+
+func nilable(kind reflect.Kind) bool {
+	switch kind {
+	case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
+		return true
+	}
+	return false
+}
+
+//------------------------------------------------------------------------------
+
+func marshalBinaryValueAddr(e *Encoder, v reflect.Value) error {
+	if !v.CanAddr() {
+		return fmt.Errorf("msgpack: Encode(non-addressable %T)", v.Interface())
+	}
+	return marshalBinaryValue(e, v.Addr())
+}
+
+func marshalBinaryValue(e *Encoder, v reflect.Value) error {
+	if nilable(v.Kind()) && v.IsNil() {
+		return e.EncodeNil()
+	}
+
+	marshaler := v.Interface().(encoding.BinaryMarshaler)
+	data, err := marshaler.MarshalBinary()
+	if err != nil {
+		return err
+	}
+
+	return e.EncodeBytes(data)
+}
+
+//------------------------------------------------------------------------------
+
+func marshalTextValueAddr(e *Encoder, v reflect.Value) error {
+	if !v.CanAddr() {
+		return fmt.Errorf("msgpack: Encode(non-addressable %T)", v.Interface())
+	}
+	return marshalTextValue(e, v.Addr())
+}
+
+func marshalTextValue(e *Encoder, v reflect.Value) error {
+	if nilable(v.Kind()) && v.IsNil() {
+		return e.EncodeNil()
+	}
+
+	marshaler := v.Interface().(encoding.TextMarshaler)
+	data, err := marshaler.MarshalText()
+	if err != nil {
+		return err
+	}
+
+	return e.EncodeBytes(data)
+}