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98 lines
2.2 KiB
98 lines
2.2 KiB
package proxy
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import (
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"context"
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"errors"
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"os"
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"os/signal"
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"syscall"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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abciclient "github.com/tendermint/tendermint/abci/client"
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abcimocks "github.com/tendermint/tendermint/abci/client/mocks"
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"github.com/tendermint/tendermint/libs/log"
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)
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type noopStoppableClientImpl struct {
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abciclient.Client
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count int
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}
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func (c *noopStoppableClientImpl) Stop() error { c.count++; return nil }
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func TestAppConns_Start_Stop(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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clientMock := &abcimocks.Client{}
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clientMock.On("Start", mock.Anything).Return(nil).Times(4)
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clientMock.On("Error").Return(nil)
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clientMock.On("Wait").Return(nil).Times(4)
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cl := &noopStoppableClientImpl{Client: clientMock}
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creatorCallCount := 0
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creator := func(logger log.Logger) (abciclient.Client, error) {
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creatorCallCount++
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return cl, nil
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}
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appConns := NewAppConns(creator, log.TestingLogger(), NopMetrics())
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err := appConns.Start(ctx)
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require.NoError(t, err)
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time.Sleep(100 * time.Millisecond)
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cancel()
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appConns.Wait()
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clientMock.AssertExpectations(t)
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assert.Equal(t, 4, cl.count)
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assert.Equal(t, 4, creatorCallCount)
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}
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// Upon failure, we call tmos.Kill
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func TestAppConns_Failure(t *testing.T) {
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ok := make(chan struct{})
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c := make(chan os.Signal, 1)
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signal.Notify(c, syscall.SIGTERM)
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go func() {
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for range c {
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close(ok)
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return
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}
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}()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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clientMock := &abcimocks.Client{}
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clientMock.On("SetLogger", mock.Anything).Return()
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clientMock.On("Start", mock.Anything).Return(nil)
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clientMock.On("Wait").Return(nil)
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clientMock.On("Error").Return(errors.New("EOF"))
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cl := &noopStoppableClientImpl{Client: clientMock}
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creator := func(log.Logger) (abciclient.Client, error) {
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return cl, nil
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}
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appConns := NewAppConns(creator, log.TestingLogger(), NopMetrics())
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err := appConns.Start(ctx)
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require.NoError(t, err)
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t.Cleanup(func() { cancel(); appConns.Wait() })
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select {
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case <-ok:
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t.Log("SIGTERM successfully received")
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case <-time.After(5 * time.Second):
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t.Fatal("expected process to receive SIGTERM signal")
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}
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}
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