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160 lines
3.8 KiB
160 lines
3.8 KiB
package rpctest
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import (
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"testing"
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"time"
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. "github.com/tendermint/go-common"
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"github.com/tendermint/go-p2p"
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"github.com/tendermint/go-wire"
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client "github.com/tendermint/go-rpc/client"
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_ "github.com/tendermint/tendermint/config/tendermint_test"
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nm "github.com/tendermint/tendermint/node"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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"github.com/tendermint/tendermint/types"
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)
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// global variables for use across all tests
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var (
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node *nm.Node
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mempoolCount = 0
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chainID string
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rpcAddr, requestAddr, websocketAddr string
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clientURI *client.ClientURI
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clientJSON *client.ClientJSONRPC
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)
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// initialize config and create new node
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func init() {
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chainID = config.GetString("chain_id")
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rpcAddr = config.GetString("rpc_laddr")
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requestAddr = "http://" + rpcAddr
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websocketAddr = "ws://" + rpcAddr + "/websocket"
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clientURI = client.NewClientURI(requestAddr)
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clientJSON = client.NewClientJSONRPC(requestAddr)
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// TODO: change consensus/state.go timeouts to be shorter
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// start a node
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ready := make(chan struct{})
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go newNode(ready)
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<-ready
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}
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// create a new node and sleep forever
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func newNode(ready chan struct{}) {
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// Create & start node
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privValidatorFile := config.GetString("priv_validator_file")
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privValidator := types.LoadOrGenPrivValidator(privValidatorFile)
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node = nm.NewNode(privValidator)
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l := p2p.NewDefaultListener("tcp", config.GetString("node_laddr"), true)
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node.AddListener(l)
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node.Start()
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// Run the RPC server.
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node.StartRPC()
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ready <- struct{}{}
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// Sleep forever
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ch := make(chan struct{})
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<-ch
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}
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//--------------------------------------------------------------------------------
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// Utilities for testing the websocket service
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// create a new connection
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func newWSClient(t *testing.T) *client.WSClient {
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wsc := client.NewWSClient(websocketAddr)
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if _, err := wsc.Start(); err != nil {
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t.Fatal(err)
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}
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return wsc
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}
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// subscribe to an event
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func subscribe(t *testing.T, wsc *client.WSClient, eventid string) {
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if err := wsc.Subscribe(eventid); err != nil {
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t.Fatal(err)
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}
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}
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// unsubscribe from an event
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func unsubscribe(t *testing.T, wsc *client.WSClient, eventid string) {
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if err := wsc.Unsubscribe(eventid); err != nil {
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t.Fatal(err)
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}
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}
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// wait for an event; do things that might trigger events, and check them when they are received
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// the check function takes an event id and the byte slice read off the ws
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func waitForEvent(t *testing.T, wsc *client.WSClient, eventid string, dieOnTimeout bool, f func(), check func(string, interface{}) error) {
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// go routine to wait for webscoket msg
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goodCh := make(chan interface{})
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errCh := make(chan error)
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// Read message
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go func() {
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var err error
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LOOP:
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for {
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select {
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case r := <-wsc.ResultsCh:
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result := new(ctypes.TMResult)
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wire.ReadJSONPtr(result, r, &err)
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if err != nil {
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errCh <- err
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break LOOP
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}
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event, ok := (*result).(*ctypes.ResultEvent)
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if ok && event.Name == eventid {
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goodCh <- event.Data
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break LOOP
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}
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case err := <-wsc.ErrorsCh:
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errCh <- err
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break LOOP
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case <-wsc.Quit:
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break LOOP
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}
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}
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}()
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// do stuff (transactions)
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f()
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// wait for an event or timeout
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timeout := time.NewTimer(10 * time.Second)
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select {
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case <-timeout.C:
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if dieOnTimeout {
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wsc.Stop()
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t.Fatalf("%s event was not received in time", eventid)
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}
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// else that's great, we didn't hear the event
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// and we shouldn't have
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case eventData := <-goodCh:
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if dieOnTimeout {
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// message was received and expected
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// run the check
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if err := check(eventid, eventData); err != nil {
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t.Fatal(err) // Show the stack trace.
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}
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} else {
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wsc.Stop()
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t.Fatalf("%s event was not expected", eventid)
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}
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case err := <-errCh:
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t.Fatal(err)
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panic(err) // Show the stack trace.
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}
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}
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//--------------------------------------------------------------------------------
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