You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: wrap_with_pipeline_test.go
    path of file: ./repos/benthos/internal/component/input
    
    the code of the file until where you have to start completion: package input_test

import (
	"context"
	"errors"
	"sync"
	"testing"
	"time"

	"github.com/stretchr/testify/require"

	"github.com/benthosdev/benthos/v4/internal/component/input"
	iprocessor "github.com/benthosdev/benthos/v4/internal/component/processor"
	"github.com/benthosdev/benthos/v4/internal/message"
	"github.com/benthosdev/benthos/v4/internal/pipeline"

	_ "github.com/benthosdev/benthos/v4/internal/impl/pure"
)

type mockInput struct {
	closeOnce sync.Once
	ts        chan message.Transaction
}

func (m *mockInput) TransactionChan() <-chan message.Transaction {
	return m.ts
}

func (m *mockInput) Connected() bool {
	return true
}

func (m *mockInput) TriggerStopConsuming() {
	m.closeOnce.Do(fu
    
func TestBasicWrapProcessors(t *testing.T) {
	tCtx, done := context.WithTimeout(context.Background(), time.Second*20)
	defer done()

	mockIn := &mockInput{ts: make(chan message.Transaction)}

	pipe1 := pipeline.NewProcessor(mockProc{})
	pipe2 := pipeline.NewProcessor(mockProc{})

	newInput, err := input.WrapWithPipelines(mockIn, func() (iprocessor.Pipeline, error) {
		return pipe1, nil
	}, func() (iprocessor.Pipeline, error) {
		return pipe2, nil
	})
	if err != nil {
		t.Error(err)
	}

	resChan := make(chan error)

	msg := message.QuickBatch([][]byte{[]byte("baz")})

	select {
	case mockIn.ts <- message.NewTransaction(msg, resChan):
	case <-time.After(time.Second):
		t.Error("action timed out")
	}

	// Message should not be discarded
	var ts message.Transaction
	var open bool
	select {
	case res, open := <-resChan:
		if !open {
			t.Error("Channel was closed")
		}
		t.Errorf("Unexpected response: %v", res)
	case ts, open = <-newInput.TransactionChan():
		if !open {
			t.Error("channel was closed")
		} else if exp, act := "baz", string(ts.Payload.Get(0).AsBytes()); exp != act {
			t.Errorf("Wrong message received: %v != %v", act, exp)
		}
	case <-time.After(time.Second):
		t.Error("action timed out")
	}

	errFailed := errors.New("derp, failed")

	// Send error
	go func() {
		require.NoError(t, ts.Ack(tCtx, errFailed))
	}()

	// Receive again
	select {
	case res, open := <-resChan:
		if !open {
			t.Error("Channel was closed")
		}
		if res != errFailed {
			t.Error(res)
		}
	case <-time.After(time.Second):
		t.Error("action timed out")
	}

	newInput.TriggerStopConsuming()
	require.NoError(t, newInput.WaitForClose(tCtx))
}