go-pulse/swarm/network/simulation/http_test.go
holisticode d6efa69187 Merge netsim mig to master (#17241)
* swarm: merged stream-tests migration to develop

* swarm/network: expose simulation RandomUpNode to use in stream tests

* swarm/network: wait for subs in PeerEvents and fix stream.runSyncTest

* swarm: enforce waitkademlia for snapshot tests

* swarm: fixed syncer tests and snapshot_sync_test

* swarm: linting of simulation package

* swarm: address review comments

* swarm/network/stream: fix delivery_test bugs and refactor

* swarm/network/stream: addressed PR comments @janos

* swarm/network/stream: enforce waitKademlia, improve TestIntervals

* swarm/network/stream: TestIntervals not waiting for chunk to be stored
2018-07-30 22:55:25 +02:00

110 lines
3.4 KiB
Go

// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package simulation
import (
"context"
"fmt"
"net/http"
"sync"
"testing"
"time"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
)
func TestSimulationWithHTTPServer(t *testing.T) {
log.Debug("Init simulation")
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
sim := New(
map[string]ServiceFunc{
"noop": func(_ *adapters.ServiceContext, b *sync.Map) (node.Service, func(), error) {
return newNoopService(), nil, nil
},
}).WithServer(DefaultHTTPSimAddr)
defer sim.Close()
log.Debug("Done.")
_, err := sim.AddNode()
if err != nil {
t.Fatal(err)
}
log.Debug("Starting sim round and let it time out...")
//first test that running without sending to the channel will actually
//block the simulation, so let it time out
result := sim.Run(ctx, func(ctx context.Context, sim *Simulation) error {
log.Debug("Just start the sim without any action and wait for the timeout")
//ensure with a Sleep that simulation doesn't terminate before the timeout
time.Sleep(2 * time.Second)
return nil
})
if result.Error != nil {
if result.Error.Error() == "context deadline exceeded" {
log.Debug("Expected timeout error received")
} else {
t.Fatal(result.Error)
}
}
//now run it again and send the expected signal on the waiting channel,
//then close the simulation
log.Debug("Starting sim round and wait for frontend signal...")
//this time the timeout should be long enough so that it doesn't kick in too early
ctx, cancel2 := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel2()
go sendRunSignal(t)
result = sim.Run(ctx, func(ctx context.Context, sim *Simulation) error {
log.Debug("This run waits for the run signal from `frontend`...")
//ensure with a Sleep that simulation doesn't terminate before the signal is received
time.Sleep(2 * time.Second)
return nil
})
if result.Error != nil {
t.Fatal(result.Error)
}
log.Debug("Test terminated successfully")
}
func sendRunSignal(t *testing.T) {
//We need to first wait for the sim HTTP server to start running...
time.Sleep(2 * time.Second)
//then we can send the signal
log.Debug("Sending run signal to simulation: POST /runsim...")
resp, err := http.Post(fmt.Sprintf("http://localhost%s/runsim", DefaultHTTPSimAddr), "application/json", nil)
if err != nil {
t.Fatalf("Request failed: %v", err)
}
defer func() {
err := resp.Body.Close()
if err != nil {
log.Error("Error closing response body", "err", err)
}
}()
log.Debug("Signal sent")
if resp.StatusCode != http.StatusOK {
t.Fatalf("err %s", resp.Status)
}
}