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package proxy
import (
"errors"
"os"
"os/signal"
"syscall"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
abciclient "github.com/tendermint/tendermint/abci/client"
abcimocks "github.com/tendermint/tendermint/abci/client/mocks"
)
func TestAppConns_Start_Stop(t *testing.T) {
quitCh := make(<-chan struct{})
clientMock := &abcimocks.Client{}
clientMock.On("SetLogger", mock.Anything).Return().Times(4)
clientMock.On("Start").Return(nil).Times(4)
clientMock.On("Stop").Return(nil).Times(4)
clientMock.On("Quit").Return(quitCh).Times(4)
creatorCallCount := 0
creator := func() (abciclient.Client, error) {
creatorCallCount++
return clientMock, nil
}
appConns := NewAppConns(creator, NopMetrics())
err := appConns.Start()
require.NoError(t, err)
time.Sleep(100 * time.Millisecond)
err = appConns.Stop()
require.NoError(t, err)
clientMock.AssertExpectations(t)
assert.Equal(t, 4, creatorCallCount)
}
// Upon failure, we call tmos.Kill
func TestAppConns_Failure(t *testing.T) {
ok := make(chan struct{})
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGTERM)
go func() {
for range c {
close(ok)
}
}()
quitCh := make(chan struct{})
var recvQuitCh <-chan struct{} // nolint:gosimple
recvQuitCh = quitCh
clientMock := &abcimocks.Client{}
clientMock.On("SetLogger", mock.Anything).Return()
clientMock.On("Start").Return(nil)
clientMock.On("Stop").Return(nil)
clientMock.On("Quit").Return(recvQuitCh)
clientMock.On("Error").Return(errors.New("EOF")).Once()
creator := func() (abciclient.Client, error) {
return clientMock, nil
}
appConns := NewAppConns(creator, NopMetrics())
err := appConns.Start()
require.NoError(t, err)
t.Cleanup(func() {
if err := appConns.Stop(); err != nil {
t.Error(err)
}
})
// simulate failure
close(quitCh)
select {
case <-ok:
t.Log("SIGTERM successfully received")
case <-time.After(5 * time.Second):
t.Fatal("expected process to receive SIGTERM signal")
}
}