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package abciclient_test
import (
"context"
"fmt"
"testing"
"time"
"math/rand"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
abciclient "github.com/tendermint/tendermint/abci/client"
"github.com/tendermint/tendermint/abci/server"
"github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/tendermint/tendermint/libs/service"
)
func TestProperSyncCalls(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
app := slowApp{}
logger := log.TestingLogger()
_, c := setupClientServer(ctx, t, logger, app)
resp := make(chan error, 1)
go func() {
// This is BeginBlockSync unrolled....
reqres, err := c.BeginBlockAsync(ctx, types.RequestBeginBlock{})
assert.NoError(t, err)
err = c.FlushSync(ctx)
assert.NoError(t, err)
res := reqres.Response.GetBeginBlock()
assert.NotNil(t, res)
resp <- c.Error()
}()
select {
case <-time.After(time.Second):
require.Fail(t, "No response arrived")
case err, ok := <-resp:
require.True(t, ok, "Must not close channel")
assert.NoError(t, err, "This should return success")
}
}
func setupClientServer(
ctx context.Context,
t *testing.T,
logger log.Logger,
app types.Application,
) (service.Service, abciclient.Client) {
t.Helper()
// some port between 20k and 30k
port := 20000 + rand.Int31()%10000
addr := fmt.Sprintf("localhost:%d", port)
s, err := server.NewServer(logger, addr, "socket", app)
require.NoError(t, err)
require.NoError(t, s.Start(ctx))
t.Cleanup(s.Wait)
c := abciclient.NewSocketClient(logger, addr, true)
require.NoError(t, c.Start(ctx))
t.Cleanup(c.Wait)
require.True(t, s.IsRunning())
require.True(t, c.IsRunning())
return s, c
}
type slowApp struct {
types.BaseApplication
}
func (slowApp) BeginBlock(req types.RequestBeginBlock) types.ResponseBeginBlock {
time.Sleep(200 * time.Millisecond)
return types.ResponseBeginBlock{}
}