neoneo-go/pkg/rpc/stack_param_test.go

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2019-01-22 12:15:04 +00:00
package rpc
import (
"encoding/hex"
2019-01-22 12:15:04 +00:00
"encoding/json"
"reflect"
"testing"
"github.com/CityOfZion/neo-go/pkg/util"
)
var testCases = []struct {
input string
result StackParam
}{
{
input: `{"type":"Integer","value":12345}`,
result: StackParam{Type: Integer, Value: int64(12345)},
},
{
input: `{"type":"Integer","value":"12345"}`,
result: StackParam{Type: Integer, Value: int64(12345)},
},
{
input: `{"type":"ByteArray","value":"010203"}`,
result: StackParam{Type: ByteArray, Value: []byte{0x01, 0x02, 0x03}},
},
{
input: `{"type":"String","value":"Some string"}`,
result: StackParam{Type: String, Value: "Some string"},
},
{
input: `{"type":"Array","value":[
{"type": "String", "value": "str 1"},
{"type": "Integer", "value": 2}]}`,
result: StackParam{
Type: Array,
Value: []StackParam{
{Type: String, Value: "str 1"},
{Type: Integer, Value: int64(2)},
},
},
},
}
var errorCases = []string{
`{"type": "ByteArray","value":`, // incorrect JSON
`{"type": "ByteArray","value":1}`, // incorrect Value
`{"type": "ByteArray","value":"12zz"}`, // incorrect ByteArray value
`{"type": "String","value":`, // incorrect JSON
`{"type": "String","value":1}`, // incorrect Value
`{"type": "Integer","value": "nn"}`, // incorrect Integer value
`{"type": "Integer","value": []}`, // incorrect Integer value
`{"type": "Array","value": 123}`, // incorrect Array value
`{"type": "Hash160","value": "0bcd"}`, // incorrect Uint160 value
`{"type": "Hash256","value": "0bcd"}`, // incorrect Uint256 value
`{"type": "Stringg","value": ""}`, // incorrect type
}
func TestStackParam_UnmarshalJSON(t *testing.T) {
var (
err error
r, s StackParam
)
for _, tc := range testCases {
if err = json.Unmarshal([]byte(tc.input), &s); err != nil {
t.Errorf("error while unmarhsalling: %v", err)
} else if !reflect.DeepEqual(s, tc.result) {
t.Errorf("got (%v), expected (%v)", s, tc.result)
}
}
// Hash160 unmarshalling
err = json.Unmarshal([]byte(`{"type": "Hash160","value": "0bcd2978634d961c24f5aea0802297ff128724d6"}`), &s)
if err != nil {
t.Errorf("error while unmarhsalling: %v", err)
}
h160, err := util.Uint160DecodeString("0bcd2978634d961c24f5aea0802297ff128724d6")
if err != nil {
t.Errorf("unmarshal error: %v", err)
}
if r = (StackParam{Type: Hash160, Value: h160}); !reflect.DeepEqual(s, r) {
t.Errorf("got (%v), expected (%v)", s, r)
}
// Hash256 unmarshalling
err = json.Unmarshal([]byte(`{"type": "Hash256","value": "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"}`), &s)
if err != nil {
t.Errorf("error while unmarhsalling: %v", err)
}
h256, err := util.Uint256DecodeString("f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d")
if err != nil {
t.Errorf("unmarshal error: %v", err)
}
if r = (StackParam{Type: Hash256, Value: h256}); !reflect.DeepEqual(s, r) {
t.Errorf("got (%v), expected (%v)", s, r)
}
for _, input := range errorCases {
if err = json.Unmarshal([]byte(input), &s); err == nil {
t.Errorf("expected error, got (nil)")
}
}
}
const (
hash160 = "0bcd2978634d961c24f5aea0802297ff128724d6"
hash256 = "7fe610b7c8259ae949accacb091a1bc53219c51a1cb8752fbc6457674c13ec0b"
testString = "myteststring"
)
func TestStackParam_TryParse(t *testing.T) {
// ByteArray to util.Uint160 conversion
data, err := hex.DecodeString(hash160)
if err != nil {
t.Fatal(err)
}
var (
outputUint160, expectedUint160 util.Uint160
input = StackParam{
Type: ByteArray,
Value: data,
}
)
expectedUint160, err = util.Uint160DecodeString(hash160)
if err != nil {
t.Fatal(err)
}
if err = input.TryParse(&outputUint160); err != nil {
t.Errorf("failed to parse stackparam to Uint160: %v", err)
}
if !reflect.DeepEqual(outputUint160, expectedUint160) {
t.Errorf("got (%v), expected (%v)", outputUint160, expectedUint160)
}
// ByteArray to util.Uint256 conversion
data, err = hex.DecodeString(hash256)
if err != nil {
t.Fatal(err)
}
var (
outputUint256, expectedUint256 util.Uint256
uint256input = StackParam{
Type: ByteArray,
Value: data,
}
)
expectedUint256, err = util.Uint256DecodeString(hash256)
if err != nil {
t.Fatal(err)
}
if err = uint256input.TryParse(&outputUint256); err != nil {
t.Errorf("failed to parse stackparam to []byte: %v", err)
}
if !reflect.DeepEqual(outputUint256, expectedUint256) {
t.Errorf("got (%v), expected (%v)", outputUint256, expectedUint256)
}
// ByteArray to []byte conversion
var (
outputBytes []byte
expectedBytes = expectedUint160.Bytes()
)
if err = input.TryParse(&outputBytes); err != nil {
t.Errorf("failed to parse stackparam to []byte: %v", err)
}
if !reflect.DeepEqual(outputBytes, expectedBytes) {
t.Errorf("got (%v), expected (%v)", outputBytes, expectedBytes)
}
// ByteArray to int64 conversion
data, err = hex.DecodeString("637829cd0b")
if err != nil {
t.Fatal(err)
}
var (
outputInt, expectedInt int64
intinput = StackParam{
Type: ByteArray,
Value: data,
}
)
expectedInt = 50686687331
if err = intinput.TryParse(&outputInt); err != nil {
t.Errorf("failed to parse stackparam to []byte: %v", err)
}
if !reflect.DeepEqual(outputInt, expectedInt) {
t.Errorf("got (%v), expected (%v)", outputInt, expectedInt)
}
// ByteArray to string conversion
data = []byte(testString)
var (
outputStr, expectedStr string
strinput = StackParam{
Type: ByteArray,
Value: data,
}
)
expectedStr = testString
if err = strinput.TryParse(&outputStr); err != nil {
t.Errorf("failed to parse stackparam to []byte: %v", err)
}
if !reflect.DeepEqual(outputStr, expectedStr) {
t.Errorf("got (%v), expected (%v)", outputStr, expectedStr)
}
// StackParams to []util.Uint160
data, err = hex.DecodeString(hash160)
if err != nil {
t.Fatal(err)
}
expUint160, err := util.Uint160DecodeString(hash160)
if err != nil {
t.Fatal(err)
}
var (
params = StackParams{
StackParam{
Type: ByteArray,
Value: data,
},
StackParam{
Type: ByteArray,
Value: data,
},
}
expectedArray = []util.Uint160{
expUint160,
expUint160,
}
out1, out2 = &util.Uint160{}, &util.Uint160{}
)
if err = params.TryParseArray(out1, out2); err != nil {
t.Errorf("failed to parse stackparam to []byte: %v", err)
}
outArray := []util.Uint160{*out1, *out2}
if !reflect.DeepEqual(outArray, expectedArray) {
t.Errorf("got (%v), expected (%v)", outArray, expectedArray)
}
}