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sync_producer_test.go
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sync_producer_test.go
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package mocks
import (
"errors"
"strings"
"testing"
"github.com/IBM/sarama"
)
func TestMockSyncProducerImplementsSyncProducerInterface(t *testing.T) {
var mp interface{} = &SyncProducer{}
if _, ok := mp.(sarama.SyncProducer); !ok {
t.Error("The mock async producer should implement the sarama.SyncProducer interface.")
}
}
func TestSyncProducerReturnsExpectationsToSendMessage(t *testing.T) {
sp := NewSyncProducer(t, nil)
defer func() {
if err := sp.Close(); err != nil {
t.Error(err)
}
}()
sp.ExpectSendMessageAndSucceed()
sp.ExpectSendMessageAndSucceed()
sp.ExpectSendMessageAndFail(sarama.ErrOutOfBrokers)
msg := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
_, offset, err := sp.SendMessage(msg)
if err != nil {
t.Errorf("The first message should have been produced successfully, but got %s", err)
}
if offset != 1 || offset != msg.Offset {
t.Errorf("The first message should have been assigned offset 1, but got %d", msg.Offset)
}
_, offset, err = sp.SendMessage(msg)
if err != nil {
t.Errorf("The second message should have been produced successfully, but got %s", err)
}
if offset != 2 || offset != msg.Offset {
t.Errorf("The second message should have been assigned offset 2, but got %d", offset)
}
_, _, err = sp.SendMessage(msg)
if !errors.Is(err, sarama.ErrOutOfBrokers) {
t.Errorf("The third message should not have been produced successfully")
}
if err := sp.Close(); err != nil {
t.Error(err)
}
}
func TestSyncProducerFailTxn(t *testing.T) {
config := NewTestConfig()
config.Producer.Transaction.ID = "test"
config.Producer.RequiredAcks = sarama.WaitForAll
config.Producer.Retry.Backoff = 0
config.Producer.Idempotent = true
config.Net.MaxOpenRequests = 1
config.Version = sarama.V0_11_0_0
tfm := newTestReporterMock()
sp := NewSyncProducer(tfm, config)
defer func() {
if err := sp.Close(); err != nil {
t.Error(err)
}
}()
msg := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
_, _, err := sp.SendMessage(msg)
if err == nil {
t.Errorf("must have failed with txn begin error")
}
if len(tfm.errors) != 1 {
t.Errorf("must have failed with txn begin error")
}
}
func TestSyncProducerUseTxn(t *testing.T) {
config := NewTestConfig()
config.Producer.Transaction.ID = "test"
config.Producer.RequiredAcks = sarama.WaitForAll
config.Producer.Retry.Backoff = 0
config.Producer.Idempotent = true
config.Net.MaxOpenRequests = 1
config.Version = sarama.V0_11_0_0
sp := NewSyncProducer(t, config)
defer func() {
if err := sp.Close(); err != nil {
t.Error(err)
}
}()
if !sp.IsTransactional() {
t.Error("producer must be transactional")
}
sp.ExpectSendMessageAndSucceed()
msg := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
err := sp.BeginTxn()
if err != nil {
t.Errorf("txn can't be started, got %s", err)
}
if sp.TxnStatus()&sarama.ProducerTxnFlagInTransaction == 0 {
t.Error("transaction must be started")
}
_, offset, err := sp.SendMessage(msg)
if err != nil {
t.Errorf("The first message should have been produced successfully, but got %s", err)
}
if offset != 1 || offset != msg.Offset {
t.Errorf("The first message should have been assigned offset 1, but got %d", msg.Offset)
}
if err := sp.AddMessageToTxn(&sarama.ConsumerMessage{
Topic: "original-topic",
Partition: 0,
Offset: 123,
}, "test-group", nil); err != nil {
t.Error(err)
}
if err := sp.AddOffsetsToTxn(map[string][]*sarama.PartitionOffsetMetadata{
"original-topic": {
{
Partition: 1,
Offset: 321,
},
},
}, "test-group"); err != nil {
t.Error(err)
}
err = sp.CommitTxn()
if err != nil {
t.Errorf("txn can't be committed, got %s", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
}
func TestSyncProducerWithTooManyExpectations(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil).
ExpectSendMessageAndSucceed().
ExpectSendMessageAndFail(sarama.ErrOutOfBrokers)
msg := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
if _, _, err := sp.SendMessage(msg); err != nil {
t.Error("No error expected on first SendMessage call", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 1 {
t.Error("Expected to report an error")
}
}
func TestSyncProducerWithTooFewExpectations(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil).ExpectSendMessageAndSucceed()
msg := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
if _, _, err := sp.SendMessage(msg); err != nil {
t.Error("No error expected on first SendMessage call", err)
}
if _, _, err := sp.SendMessage(msg); !errors.Is(err, errOutOfExpectations) {
t.Error("errOutOfExpectations expected on second SendMessage call, found:", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 1 {
t.Error("Expected to report an error")
}
}
func TestSyncProducerWithCheckerFunction(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes")).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes$"))
msg := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
if _, _, err := sp.SendMessage(msg); err != nil {
t.Error("No error expected on first SendMessage call, found: ", err)
}
msg = &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
if _, _, err := sp.SendMessage(msg); err == nil || !strings.HasPrefix(err.Error(), "No match") {
t.Error("Error during value check expected on second SendMessage call, found:", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 1 {
t.Error("Expected to report an error")
}
}
func TestSyncProducerWithCheckerFunctionForSendMessagesWithError(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes")).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes$"))
msg1 := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
msg2 := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
msgs := []*sarama.ProducerMessage{msg1, msg2}
if err := sp.SendMessages(msgs); err == nil || !strings.HasPrefix(err.Error(), "No match") {
t.Error("Error during value check expected on second message, found: ", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 1 {
t.Error("Expected to report an error")
}
}
func TestSyncProducerWithCheckerFunctionForSendMessagesWithoutError(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes"))
msg1 := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
msgs := []*sarama.ProducerMessage{msg1}
if err := sp.SendMessages(msgs); err != nil {
t.Error("No error expected on SendMessages call, found: ", err)
}
for i, msg := range msgs {
offset := int64(i + 1)
if offset != msg.Offset {
t.Errorf("The message should have been assigned offset %d, but got %d", offset, msg.Offset)
}
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 0 {
t.Errorf("Expected to not report any errors, found: %v", trm.errors)
}
}
func TestSyncProducerSendMessagesExpectationsMismatchTooFew(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes"))
msg1 := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
msg2 := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
msgs := []*sarama.ProducerMessage{msg1, msg2}
if err := sp.SendMessages(msgs); err == nil {
t.Error("Error during value check expected on second message, found: ", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 2 {
t.Error("Expected to report 2 errors")
}
}
func TestSyncProducerSendMessagesExpectationsMismatchTooMany(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes")).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes"))
msg1 := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
msgs := []*sarama.ProducerMessage{msg1}
if err := sp.SendMessages(msgs); err != nil {
t.Error("No error expected on SendMessages call, found: ", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 1 {
t.Error("Expected to report 1 errors")
}
}
func TestSyncProducerSendMessagesFaultyEncoder(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil).
ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes"))
msg1 := &sarama.ProducerMessage{Topic: "test", Value: faultyEncoder("123")}
msgs := []*sarama.ProducerMessage{msg1}
if err := sp.SendMessages(msgs); err == nil || !strings.Contains(err.Error(), "encode error") {
t.Error("Encoding error expected, found: ", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 1 {
t.Error("Expected to report 1 errors")
}
}
type faultyEncoder []byte
func (f faultyEncoder) Encode() ([]byte, error) {
return nil, errors.New("encode error")
}
func (f faultyEncoder) Length() int {
return len(f)
}
func TestSyncProducerInvalidConfiguration(t *testing.T) {
trm := newTestReporterMock()
config := NewTestConfig()
config.Version = sarama.V0_11_0_2
config.ClientID = "not a valid producer ID"
mp := NewSyncProducer(trm, config)
if err := mp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 1 {
t.Error("Expected to report a single error")
} else if !strings.Contains(trm.errors[0], `ClientID value "not a valid producer ID" is not valid for Kafka versions before 1.0.0`) {
t.Errorf("Unexpected error: %s", trm.errors[0])
}
}