|
package server
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
types "github.com/tendermint/tendermint/rpc/jsonrpc/types"
|
|
)
|
|
|
|
func testMux() *http.ServeMux {
|
|
funcMap := map[string]*RPCFunc{
|
|
"c": NewRPCFunc(func(ctx *types.Context, s string, i int) (string, error) { return "foo", nil }, "s,i"),
|
|
}
|
|
mux := http.NewServeMux()
|
|
buf := new(bytes.Buffer)
|
|
logger := log.NewTMLogger(buf)
|
|
RegisterRPCFuncs(mux, funcMap, logger)
|
|
|
|
return mux
|
|
}
|
|
|
|
func statusOK(code int) bool { return code >= 200 && code <= 299 }
|
|
|
|
// Ensure that nefarious/unintended inputs to `params`
|
|
// do not crash our RPC handlers.
|
|
// See Issue https://github.com/tendermint/tendermint/issues/708.
|
|
func TestRPCParams(t *testing.T) {
|
|
mux := testMux()
|
|
tests := []struct {
|
|
payload string
|
|
wantErr string
|
|
expectedID interface{}
|
|
}{
|
|
// bad
|
|
{`{"jsonrpc": "2.0", "id": "0"}`, "Method not found", types.JSONRPCStringID("0")},
|
|
{`{"jsonrpc": "2.0", "method": "y", "id": "0"}`, "Method not found", types.JSONRPCStringID("0")},
|
|
// id not captured in JSON parsing failures
|
|
{`{"method": "c", "id": "0", "params": a}`, "invalid character", nil},
|
|
{`{"method": "c", "id": "0", "params": ["a"]}`, "got 1", types.JSONRPCStringID("0")},
|
|
{`{"method": "c", "id": "0", "params": ["a", "b"]}`, "invalid character", types.JSONRPCStringID("0")},
|
|
{`{"method": "c", "id": "0", "params": [1, 1]}`, "of type string", types.JSONRPCStringID("0")},
|
|
|
|
// no ID - notification
|
|
// {`{"jsonrpc": "2.0", "method": "c", "params": ["a", "10"]}`, false, nil},
|
|
|
|
// good
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": "0", "params": null}`, "", types.JSONRPCStringID("0")},
|
|
{`{"method": "c", "id": "0", "params": {}}`, "", types.JSONRPCStringID("0")},
|
|
{`{"method": "c", "id": "0", "params": ["a", "10"]}`, "", types.JSONRPCStringID("0")},
|
|
}
|
|
|
|
for i, tt := range tests {
|
|
req, _ := http.NewRequest("POST", "http://localhost/", strings.NewReader(tt.payload))
|
|
rec := httptest.NewRecorder()
|
|
mux.ServeHTTP(rec, req)
|
|
res := rec.Result()
|
|
defer res.Body.Close()
|
|
// Always expecting back a JSONRPCResponse
|
|
assert.True(t, statusOK(res.StatusCode), "#%d: should always return 2XX", i)
|
|
blob, err := ioutil.ReadAll(res.Body)
|
|
if err != nil {
|
|
t.Errorf("#%d: err reading body: %v", i, err)
|
|
continue
|
|
}
|
|
|
|
recv := new(types.RPCResponse)
|
|
assert.Nil(t, json.Unmarshal(blob, recv), "#%d: expecting successful parsing of an RPCResponse:\nblob: %s", i, blob)
|
|
assert.NotEqual(t, recv, new(types.RPCResponse), "#%d: not expecting a blank RPCResponse", i)
|
|
assert.Equal(t, tt.expectedID, recv.ID, "#%d: expected ID not matched in RPCResponse", i)
|
|
if tt.wantErr == "" {
|
|
assert.Nil(t, recv.Error, "#%d: not expecting an error", i)
|
|
} else {
|
|
assert.True(t, recv.Error.Code < 0, "#%d: not expecting a positive JSONRPC code", i)
|
|
// The wanted error is either in the message or the data
|
|
assert.Contains(t, recv.Error.Message+recv.Error.Data, tt.wantErr, "#%d: expected substring", i)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestJSONRPCID(t *testing.T) {
|
|
mux := testMux()
|
|
tests := []struct {
|
|
payload string
|
|
wantErr bool
|
|
expectedID interface{}
|
|
}{
|
|
// good id
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": "0", "params": ["a", "10"]}`, false, types.JSONRPCStringID("0")},
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": "abc", "params": ["a", "10"]}`, false, types.JSONRPCStringID("abc")},
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": 0, "params": ["a", "10"]}`, false, types.JSONRPCIntID(0)},
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": 1, "params": ["a", "10"]}`, false, types.JSONRPCIntID(1)},
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": 1.3, "params": ["a", "10"]}`, false, types.JSONRPCIntID(1)},
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": -1, "params": ["a", "10"]}`, false, types.JSONRPCIntID(-1)},
|
|
|
|
// bad id
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": {}, "params": ["a", "10"]}`, true, nil},
|
|
{`{"jsonrpc": "2.0", "method": "c", "id": [], "params": ["a", "10"]}`, true, nil},
|
|
}
|
|
|
|
for i, tt := range tests {
|
|
req, _ := http.NewRequest("POST", "http://localhost/", strings.NewReader(tt.payload))
|
|
rec := httptest.NewRecorder()
|
|
mux.ServeHTTP(rec, req)
|
|
res := rec.Result()
|
|
// Always expecting back a JSONRPCResponse
|
|
assert.True(t, statusOK(res.StatusCode), "#%d: should always return 2XX", i)
|
|
blob, err := ioutil.ReadAll(res.Body)
|
|
if err != nil {
|
|
t.Errorf("#%d: err reading body: %v", i, err)
|
|
continue
|
|
}
|
|
res.Body.Close()
|
|
|
|
recv := new(types.RPCResponse)
|
|
err = json.Unmarshal(blob, recv)
|
|
assert.Nil(t, err, "#%d: expecting successful parsing of an RPCResponse:\nblob: %s", i, blob)
|
|
if !tt.wantErr {
|
|
assert.NotEqual(t, recv, new(types.RPCResponse), "#%d: not expecting a blank RPCResponse", i)
|
|
assert.Equal(t, tt.expectedID, recv.ID, "#%d: expected ID not matched in RPCResponse", i)
|
|
assert.Nil(t, recv.Error, "#%d: not expecting an error", i)
|
|
} else {
|
|
assert.True(t, recv.Error.Code < 0, "#%d: not expecting a positive JSONRPC code", i)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRPCNotification(t *testing.T) {
|
|
mux := testMux()
|
|
body := strings.NewReader(`{"jsonrpc": "2.0"}`)
|
|
req, _ := http.NewRequest("POST", "http://localhost/", body)
|
|
rec := httptest.NewRecorder()
|
|
mux.ServeHTTP(rec, req)
|
|
res := rec.Result()
|
|
|
|
// Always expecting back a JSONRPCResponse
|
|
require.True(t, statusOK(res.StatusCode), "should always return 2XX")
|
|
blob, err := ioutil.ReadAll(res.Body)
|
|
res.Body.Close()
|
|
require.Nil(t, err, "reading from the body should not give back an error")
|
|
require.Equal(t, len(blob), 0, "a notification SHOULD NOT be responded to by the server")
|
|
}
|
|
|
|
func TestRPCNotificationInBatch(t *testing.T) {
|
|
mux := testMux()
|
|
tests := []struct {
|
|
payload string
|
|
expectCount int
|
|
}{
|
|
{
|
|
`[
|
|
{"jsonrpc": "2.0"},
|
|
{"jsonrpc": "2.0","method":"c","id":"abc","params":["a","10"]}
|
|
]`,
|
|
1,
|
|
},
|
|
{
|
|
`[
|
|
{"jsonrpc": "2.0"},
|
|
{"jsonrpc": "2.0","method":"c","id":"abc","params":["a","10"]},
|
|
{"jsonrpc": "2.0"},
|
|
{"jsonrpc": "2.0","method":"c","id":"abc","params":["a","10"]}
|
|
]`,
|
|
2,
|
|
},
|
|
}
|
|
for i, tt := range tests {
|
|
req, _ := http.NewRequest("POST", "http://localhost/", strings.NewReader(tt.payload))
|
|
rec := httptest.NewRecorder()
|
|
mux.ServeHTTP(rec, req)
|
|
res := rec.Result()
|
|
// Always expecting back a JSONRPCResponse
|
|
assert.True(t, statusOK(res.StatusCode), "#%d: should always return 2XX", i)
|
|
blob, err := ioutil.ReadAll(res.Body)
|
|
if err != nil {
|
|
t.Errorf("#%d: err reading body: %v", i, err)
|
|
continue
|
|
}
|
|
res.Body.Close()
|
|
|
|
var responses []types.RPCResponse
|
|
// try to unmarshal an array first
|
|
err = json.Unmarshal(blob, &responses)
|
|
if err != nil {
|
|
// if we were actually expecting an array, but got an error
|
|
if tt.expectCount > 1 {
|
|
t.Errorf("#%d: expected an array, couldn't unmarshal it\nblob: %s", i, blob)
|
|
continue
|
|
} else {
|
|
// we were expecting an error here, so let's unmarshal a single response
|
|
var response types.RPCResponse
|
|
err = json.Unmarshal(blob, &response)
|
|
if err != nil {
|
|
t.Errorf("#%d: expected successful parsing of an RPCResponse\nblob: %s", i, blob)
|
|
continue
|
|
}
|
|
// have a single-element result
|
|
responses = []types.RPCResponse{response}
|
|
}
|
|
}
|
|
if tt.expectCount != len(responses) {
|
|
t.Errorf("#%d: expected %d response(s), but got %d\nblob: %s", i, tt.expectCount, len(responses), blob)
|
|
continue
|
|
}
|
|
for _, response := range responses {
|
|
assert.NotEqual(t, response, new(types.RPCResponse), "#%d: not expecting a blank RPCResponse", i)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestUnknownRPCPath(t *testing.T) {
|
|
mux := testMux()
|
|
req, _ := http.NewRequest("GET", "http://localhost/unknownrpcpath", nil)
|
|
rec := httptest.NewRecorder()
|
|
mux.ServeHTTP(rec, req)
|
|
res := rec.Result()
|
|
|
|
// Always expecting back a 404 error
|
|
require.Equal(t, http.StatusNotFound, res.StatusCode, "should always return 404")
|
|
res.Body.Close()
|
|
}
|