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package mocks
import (
"errors"
"strings"
"testing"
"github.com/Shopify/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 err != sarama.ErrOutOfBrokers {
t.Errorf("The third message should not have been produced successfully")
}
if err := sp.Close(); err != nil {
t.Error(err)
}
}
func TestSyncProducerWithTooManyExpectations(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil)
sp.ExpectSendMessageAndSucceed()
sp.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)
sp.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); 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)
sp.ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes"))
sp.ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes$"))
msg := &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
if _, _, err := sp.SendMessage(msg); err != nil {
t.Error("No error expected on first SendMessage call, found: ", err)
}
msg = &sarama.ProducerMessage{Topic: "test", Value: sarama.StringEncoder("test")}
if _, _, err := sp.SendMessage(msg); err == nil || !strings.HasPrefix(err.Error(), "No match") {
t.Error("Error during value check expected on second SendMessage call, found:", err)
}
if err := sp.Close(); err != nil {
t.Error(err)
}
if len(trm.errors) != 1 {
t.Error("Expected to report an error")
}
}
func TestSyncProducerWithCheckerFunctionForSendMessagesWithError(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil)
sp.ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes"))
sp.ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes$"))
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)
sp.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) != 0 {
t.Errorf("Expected to not report any errors, found: %v", trm.errors)
}
}
func TestSyncProducerSendMessagesExpectationsMismatchTooFew(t *testing.T) {
trm := newTestReporterMock()
sp := NewSyncProducer(trm, nil)
sp.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)
sp.ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes"))
sp.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)
sp.ExpectSendMessageWithCheckerFunctionAndSucceed(generateRegexpChecker("^tes"))
msg1 := &sarama.ProducerMessage{Topic: "test", Value: faultyEncoder("123")}
msgs := []*sarama.ProducerMessage{msg1}
if err := sp.SendMessages(msgs); err == nil || !strings.HasPrefix(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)
}
|
