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jsonrpc_test.go
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package jsonrpc
import (
"errors"
"testing"
"encoding/json"
"github.com/stretchr/testify/assert"
)
func TestEncode(t *testing.T) {
request := func(id interface{}, method string, args ...interface{}) []byte {
str, err := Request(id, method, args...)
if err != nil {
c, _ := json.Marshal(err)
str = c
}
return str
}
notification := func(method string, args ...interface{}) []byte {
str, err := Notification(method, args...)
if err != nil {
c, _ := json.Marshal(err)
str = c
}
return str
}
success := func(id interface{}, result interface{}) []byte {
str, err := Success(id, result)
if err != nil {
c, _ := json.Marshal(err)
str = c
}
return str
}
rpcerr := func(id interface{}, rpcerr *ErrorObj) (str []byte) {
str, err := Error(id, rpcerr)
if err != nil {
c, _ := json.Marshal(err)
str = c
}
return str
}
cases := []struct {
value string
want string
}{
{string(request(123, "update")), "{\"jsonrpc\":\"2.0\",\"method\":\"update\",\"id\":123}"},
{string(request("123", "update")), "{\"jsonrpc\":\"2.0\",\"method\":\"update\",\"id\":\"123\"}"},
{string(request(123, "update", make(chan bool))), "{\"code\":-32603,\"message\":\"Internal error\",\"data\":\"json: unsupported type: chan bool\"}"},
{string(request(true, "update")), "{\"code\":-32603,\"message\":\"Internal error\"}"},
{string(notification("update")), "{\"jsonrpc\":\"2.0\",\"method\":\"update\"}"},
{string(notification("update", 0)), "{\"jsonrpc\":\"2.0\",\"method\":\"update\",\"params\":0}"},
{string(Batch(request(123, "update"), request("123", "update"))), "[{\"jsonrpc\":\"2.0\",\"method\":\"update\",\"id\":123},{\"jsonrpc\":\"2.0\",\"method\":\"update\",\"id\":\"123\"}]"},
{string(Batch()), "[]"},
{string(success("123", nil)), "{\"code\":-32603,\"message\":\"Internal error\"}"},
{string(success("123", "OK")), "{\"jsonrpc\":\"2.0\",\"result\":\"OK\",\"id\":\"123\"}"},
{string(success(123, []string{})), "{\"jsonrpc\":\"2.0\",\"result\":[],\"id\":123}"},
{string(success(true, "")), "{\"code\":-32603,\"message\":\"Internal error\"}"},
{string(rpcerr(nil, ErrorWith(1, "test"))), "{\"jsonrpc\":\"2.0\",\"error\":{\"code\":1,\"message\":\"test\"}}"},
{string(rpcerr(true, ErrorWith(1, "test"))), "{\"code\":-32603,\"message\":\"Internal error\"}"},
{ErrorFrom(errors.New("invalid jsonrpc object")).Message, "invalid jsonrpc object"},
{string(rpcerr(nil, ErrorWith(1, "test", "xx"))), "{\"jsonrpc\":\"2.0\",\"error\":{\"code\":1,\"message\":\"test\",\"data\":\"xx\"}}"},
{ParseError().Message, "Parse error"},
{InvalidRequest().Message, "Invalid Request"},
{MethodNotFound().Message, "Method not found"},
{InvalidParams().Message, "Invalid params"},
{InternalError().Message, "Internal error"},
}
for _, item := range cases {
if item.value != item.want {
t.Errorf("Encode get: %q ,want: %q", item.value, item.want)
}
}
}
func TestParse(t *testing.T) {
assert := assert.New(t)
cases := []string{
"{\"jsonrpc\":\"2.0\",\"method\":\"update\",\"id\":\"123\"}",
"{\"jsonrpc\":\"2.0\"result\":\"OK\",\"id\":\"123\"}",
"{\"jsonrpc\":\"3.0\",\"result\":\"OK\",\"id\":\"123\"}",
"{\"jsonrpc\":\"2.0\",\"method\":\"update\",\"params\":0}",
"{\"jsonrpc\":\"2.0\",\"params\":0,\"id\":\"123\"}",
"{\"jsonrpc\":\"2.0\",\"result\":\"OK\",\"id\":123}",
"{\"jsonrpc\":\"2.0\",\"result\":Null,\"id\":123}",
}
val, _ := ParseString(cases[0])
assert.Nil(val.Error)
assert.Equal("123", val.ID)
assert.Equal("update", val.Method)
assert.Equal(RequestType, val.Type)
val, _ = ParseString(cases[1])
assert.Equal("Parse error", val.Error.Message)
val, _ = ParseString(cases[2])
assert.Equal("Invalid Request", val.Error.Message)
val, _ = ParseString(cases[3])
assert.Nil(val.Error)
assert.Equal(float64(0), val.Params)
assert.Equal("update", val.Method)
assert.Equal(NotificationType, val.Type)
val, _ = ParseString(cases[4])
assert.Equal("Invalid Request", val.Error.Message)
val, _ = ParseString(cases[5])
assert.Equal(float64(123), val.ID)
assert.Equal("OK", val.Result)
val, _ = ParseString(cases[6])
assert.Equal(InvalidType, val.Type)
assert.Equal("Parse error", val.Error.Message)
assert.NotNil(val.Error.Data)
cases = []string{
"",
"{\"jsonrpc\":\"2.0\",\"result\":\"OK\",\"id\":\"123\"}",
"{\"jsonrpc\":\"2.0,\"result\":\"OK\",\"id\":\"123\"}",
"{\"jsonrpc\":\"3.0\",\"result\":\"OK\",\"id\":\"123\"}",
"{\"jsonrpc\":\"2.0\",\"error\":{\"code\":1,\"message\":\"test\"}}",
"{\"jsonrpc\":\"2.0\",\"id\":\"123\"}",
"{\"jsonrpc\": \"2.0\", \"error\": {\"code\": -32601, \"message\": \"Method not found\"}, \"id\": \"1\"}",
}
val, _ = ParseString(cases[0])
assert.Equal("Invalid Request", val.Error.Message)
val, _ = ParseString(cases[1])
assert.Nil(val.Error)
assert.Equal("123", val.ID)
assert.Equal("OK", val.Result)
assert.Equal(SuccessType, val.Type)
val, _ = ParseString(cases[2])
assert.NotNil(val.Error)
assert.Equal("Parse error", val.Error.Message)
val, _ = ParseString(cases[3])
assert.Equal("Invalid Request", val.Error.Message)
val, _ = ParseString(cases[4])
assert.NotNil(val.Error)
assert.Equal("test", val.Error.Message)
assert.Equal(1, val.Error.Code)
assert.Equal(ErrorType, val.Type)
val, _ = ParseString(cases[5])
assert.Equal("Invalid Request", val.Error.Message)
val, _ = ParseString(cases[6])
assert.NotNil(val.Error)
assert.Equal("1", val.ID)
assert.Equal(-32601, val.Error.Code)
assert.Equal(ErrorType, val.Type)
}
func TestParseBatch(t *testing.T) {
arr := "[{\"jsonrpc\": \"2.0\", \"error\": {\"code\": -32601, \"message\": \"Method not found\"}, \"id\": null},{\"jsonrpc\": \"2.0\", \"error\": {\"code\": -32601, \"message\": \"Method not found\"}, \"id\": \"1\"},{\"jsonrpc\": \"2.0\", \"error\": {\"code\": -32601, \"message\": \"Method not found\"}, \"id\": \"2\"}]"
assert := assert.New(t)
_, val := ParseString(arr)
assert.Equal(3, len(val))
assert.Equal(nil, val[0].ID)
assert.Equal(-32601, val[0].Error.Code)
assert.Equal("Method not found", val[0].Error.Message)
assert.Equal("1", val[1].ID)
assert.Equal(-32601, val[1].Error.Code)
assert.Equal("Method not found", val[1].Error.Message)
assert.Equal("2", val[2].ID)
assert.Equal(-32601, val[2].Error.Code)
assert.Equal("Method not found", val[2].Error.Message)
req, _ := ParseString("")
assert.Equal("Invalid Request", req.Error.Message)
arr = `[
{"jsonrpc": "2.0", "result": 7, "id": "1"},
{"jsonrpc": "2.0", "result": 19, "id": "2"},
{"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null},
{"jsonrpc": "2.0", "error": {"code": -32601, "message": "Method not found"}, "id": 5},
{"jsonrpc": "2.0", "result": ["hello", 5], "id": "9"}
]`
_, val = ParseString(arr)
assert.Equal("1", val[0].ID)
assert.Equal(float64(19), val[1].Result)
assert.Equal("Invalid Request", val[2].Error.Message)
assert.Equal(float64(5), val[3].ID)
assert.Equal([]interface{}{"hello", float64(5)}, val[4].Result.([]interface{}))
arr = `[
{"jsonrpc": "2.0", "method": "sum", "params": [1,2,4], "id": "1"},
{"jsonrpc": "2.0", "method": "notify_hello", "params": [7]},
{"jsonrpc": "2.0", "method": "subtract", "params": [42,23], "id": "2"},
{"foo": "boo"},
{"jsonrpc": "2.0", "method": "foo.get", "params": {"name": "myself"}, "id": "5"},
{"jsonrpc": "1.0", "method": "get_data", "id": "9"}
]`
_, val = ParseString(arr)
if assert.Equal(6, len(val)) {
assert.Equal("1", val[0].ID)
assert.Equal("notify_hello", val[1].Method)
assert.Equal([]interface{}{float64(42), float64(23)}, val[2].Params.([]interface{}))
assert.Equal(InvalidType, val[3].Type)
assert.Equal("myself", val[4].Params.(map[string]interface{})["name"])
assert.Equal(InvalidType, val[5].Type)
}
req, _ = ParseString("")
assert.Equal("Invalid Request", req.Error.Message)
_, val = ParseString(`[x:x]`)
assert.Equal("Parse error", val[0].Error.Message)
}