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cosmos_test.go
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package gremcos
import (
"fmt"
"os"
"sync"
"testing"
"time"
"go.uber.org/goleak"
"github.com/golang/mock/gomock"
"github.com/rs/zerolog"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/supplyon/gremcos/interfaces"
mock_interfaces "github.com/supplyon/gremcos/test/mocks/interfaces"
mock_metrics "github.com/supplyon/gremcos/test/mocks/metrics"
)
type dialerMock struct {
}
func (d *dialerMock) Connect() error {
return nil
}
func (d *dialerMock) IsConnected() bool {
return true
}
func (d *dialerMock) Write([]byte) error {
return nil
}
func (d *dialerMock) Read() (int, []byte, error) {
return 1, nil, nil
}
func (d *dialerMock) Close() error {
return nil
}
func (d *dialerMock) Ping() error {
return nil
}
var websocketGenerator = func(host string, options ...optionWebsocket) (interfaces.Dialer, error) {
mock := &dialerMock{}
return mock, nil
}
func toCosmosImpl(t *testing.T, cosmos Cosmos) *cosmosImpl {
require.NotNil(t, cosmos, "Cosmos must not be nil")
cImpl, ok := cosmos.(*cosmosImpl)
require.True(t, ok, "Failed to cast to *cosmosImpl")
require.NotNil(t, cImpl, "Casted to nil of cosmosImpl")
return cImpl
}
func TestDialUsingDifferentWebsockets(t *testing.T) {
defer goleak.VerifyNone(t, goleak.IgnoreCurrent())
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, metricMocks := NewMockedMetrics(mockCtrl)
idleTimeout := time.Second * 12
maxActiveConnections := 10
username := "abcd"
password := "xyz"
cosmos, err := New("ws://host",
ConnectionIdleTimeout(idleTimeout),
NumMaxActiveConnections(maxActiveConnections),
WithAuth(username, password),
withMetrics(metrics),
wsGenerator(websocketGenerator),
)
require.NoError(t, err)
cImpl := toCosmosImpl(t, cosmos)
// WHEN
mockCount := mock_metrics.NewMockCounter(mockCtrl)
mockCount.EXPECT().Inc().Times(2)
metricMocks.connectionUsageTotal.EXPECT().WithLabelValues("READ", "true").Return(mockCount).Times(2)
queryExecutor1, err1 := cImpl.dial()
queryExecutor2, err2 := cImpl.dial()
// THEN
require.NoError(t, err1)
require.NotNil(t, queryExecutor1)
require.NoError(t, err2)
require.NotNil(t, queryExecutor2)
client1 := queryExecutor1.(*client)
client2 := queryExecutor2.(*client)
assert.False(t, &client1.conn == &client2.conn)
// Closing the QueryExecutors here because they are not pooled and would be ignored by cosmos.Stop
assert.NoError(t, client1.Close())
assert.NoError(t, client2.Close())
assert.NoError(t, cosmos.Stop())
}
func TestNew(t *testing.T) {
defer goleak.VerifyNone(t, goleak.IgnoreCurrent())
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
idleTimeout := time.Second * 12
writeTimeout := time.Second * 22
readTimeout := time.Second * 33
maxActiveConnections := 10
username := "abcd"
password := "xyz"
// WHEN
cosmos, err := New("ws://host",
ConnectionIdleTimeout(idleTimeout),
NumMaxActiveConnections(maxActiveConnections),
WithAuth(username, password),
withMetrics(metrics),
QueryTimeouts(readTimeout, writeTimeout),
)
// THEN
require.NoError(t, err)
cImpl := toCosmosImpl(t, cosmos)
assert.Equal(t, idleTimeout, cImpl.connectionIdleTimeout)
assert.Equal(t, writeTimeout, cImpl.writeTimeout)
assert.Equal(t, readTimeout, cImpl.readTimeout)
assert.Equal(t, maxActiveConnections, cImpl.numMaxActiveConnections)
require.NotNil(t, cImpl.credentialProvider)
uname, err := cImpl.credentialProvider.Username()
assert.NoError(t, err)
pwd, err := cImpl.credentialProvider.Password()
assert.NoError(t, err)
assert.Equal(t, username, uname)
assert.Equal(t, password, pwd)
assert.NoError(t, cosmos.Stop())
}
func TestStop(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
mockedQueryExecutor := mock_interfaces.NewMockQueryExecutor(mockCtrl)
cosmos, err := New("ws://host", withMetrics(metrics))
require.NoError(t, err)
cImpl := toCosmosImpl(t, cosmos)
cImpl.pool = mockedQueryExecutor
mockedQueryExecutor.EXPECT().Close().Return(nil)
// WHEN
err = cosmos.Stop()
// THEN
assert.NoError(t, err)
}
func TestIsHealthy(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
mockedQueryExecutor := mock_interfaces.NewMockQueryExecutor(mockCtrl)
cosmos, err := New("ws://host", withMetrics(metrics))
require.NoError(t, err)
cImpl := toCosmosImpl(t, cosmos)
cImpl.pool = mockedQueryExecutor
// WHEN -- connected --> healthy
mockedQueryExecutor.EXPECT().Ping().Return(nil)
healthyWhenConnected := cosmos.IsHealthy()
// WHEN -- not connected --> not healthy
mockedQueryExecutor.EXPECT().Ping().Return(fmt.Errorf("Not connected"))
healthyWhenNotConnected := cosmos.IsHealthy()
// WHEN closed
mockedQueryExecutor.EXPECT().Close().Times(1).Return(nil)
// THEN
assert.NoError(t, healthyWhenConnected)
assert.Error(t, healthyWhenNotConnected)
assert.NoError(t, cosmos.Stop())
}
func TestNewWithMetrics(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
// WHEN
cosmos, err := New("ws://host", MetricsPrefix("prefix"))
// THEN
require.NoError(t, err)
cImpl := toCosmosImpl(t, cosmos)
assert.NotNil(t, cImpl.metrics)
assert.NoError(t, cosmos.Stop())
}
func TestUpdateMetricsNoResponses(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
var responses []interfaces.Response
// WHEN
updateRequestMetrics(responses, metrics, false)
// THEN
// there should be no invocation on the metrics mock
// since there were no responses
}
func TestUpdateMetricsZero(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, metricMocks := NewMockedMetrics(mockCtrl)
noErrorNoAttrs := interfaces.Response{
Status: interfaces.Status{
Code: interfaces.StatusSuccess,
},
}
noError := interfaces.Response{
Status: interfaces.Status{
Code: interfaces.StatusSuccess,
Attributes: map[string]interface{}{
"x-ms-status-code": 200,
},
},
}
responses := []interfaces.Response{noError, noErrorNoAttrs}
// WHEN
mockCount200 := mock_metrics.NewMockCounter(mockCtrl)
mockCount200.EXPECT().Inc().Times(2)
metricMocks.statusCodeTotal.EXPECT().WithLabelValues("200").Return(mockCount200).Times(2)
metricMocks.serverTimePerQueryResponseAvgMS.EXPECT().Set(float64(0))
metricMocks.serverTimePerQueryMS.EXPECT().Set(float64(0))
metricMocks.requestChargePerQueryResponseAvg.EXPECT().Set(float64(0))
metricMocks.requestChargePerQuery.EXPECT().Set(float64(0))
metricMocks.requestChargeTotal.EXPECT().Add(float64(0))
metricMocks.retryAfterMS.EXPECT().Observe(float64(0))
updateRequestMetrics(responses, metrics, false)
// THEN
// expect the calls on the metrics specified above
}
func TestUpdateMetricsFull(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, metricMocks := NewMockedMetrics(mockCtrl)
withError := interfaces.Response{
Status: interfaces.Status{
Code: interfaces.StatusSuccess,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-total-request-charge": 11,
"x-ms-total-server-time-ms": 22,
"x-ms-retry-after-ms": "00:00:00.033",
},
},
}
responses := []interfaces.Response{withError}
// WHEN
metricMocks.requestRetiesTotal.EXPECT().Inc()
mockCount200 := mock_metrics.NewMockCounter(mockCtrl)
mockCount200.EXPECT().Inc()
metricMocks.statusCodeTotal.EXPECT().WithLabelValues("429").Return(mockCount200)
metricMocks.serverTimePerQueryResponseAvgMS.EXPECT().Set(float64(22))
metricMocks.serverTimePerQueryMS.EXPECT().Set(float64(22))
metricMocks.requestChargePerQueryResponseAvg.EXPECT().Set(float64(11))
metricMocks.requestChargePerQuery.EXPECT().Set(float64(11))
metricMocks.requestChargeTotal.EXPECT().Add(float64(11))
metricMocks.retryAfterMS.EXPECT().Observe(float64(33))
updateRequestMetrics(responses, metrics, true)
// THEN
// expect the calls on the metrics specified above
}
func TestWithResourceTokenAuth(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
username := "abcd"
password := "xyz"
// WHEN
cosmos, err := New("ws://host",
WithResourceTokenAuth(
StaticCredentialProvider{
UsernameStatic: username,
PasswordStatic: password,
}),
withMetrics(metrics),
)
// THEN
require.NoError(t, err)
cImpl := toCosmosImpl(t, cosmos)
require.NotNil(t, cImpl.credentialProvider)
uname, err := cImpl.credentialProvider.Username()
assert.NoError(t, err)
pwd, err := cImpl.credentialProvider.Password()
assert.NoError(t, err)
assert.Equal(t, username, uname)
assert.Equal(t, password, pwd)
assert.NoError(t, cosmos.Stop())
}
func TestString(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
username := "abcd"
password := "xyz"
// WHEN
cosmos, err := New("ws://host",
WithResourceTokenAuth(
StaticCredentialProvider{
UsernameStatic: username,
PasswordStatic: password,
}),
withMetrics(metrics),
)
// THEN
require.NoError(t, err)
cImpl := toCosmosImpl(t, cosmos)
require.NotNil(t, cImpl.credentialProvider)
assert.Equal(t, "CosmosDB (connected=false, target=ws://host, user=abcd)", cImpl.String())
assert.NoError(t, cosmos.Stop())
}
func TestWithLogger(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
log := zerolog.New(os.Stdout).Level(zerolog.DebugLevel)
// WHEN
cosmos, err := New("ws://host", WithLogger(log), withMetrics(metrics))
require.NoError(t, err)
// THEN
cImpl := toCosmosImpl(t, cosmos)
require.NotNil(t, cImpl.credentialProvider)
assert.NotEqual(t, zerolog.Nop(), cImpl.logger)
assert.Equal(t, zerolog.DebugLevel, cImpl.logger.GetLevel())
assert.NoError(t, cosmos.Stop())
}
func TestAutomaticRetries(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
// WHEN
cosmos, err := New("ws://host", AutomaticRetries(3, time.Second), withMetrics(metrics))
require.NoError(t, err)
// THEN
cImpl := toCosmosImpl(t, cosmos)
assert.Equal(t, time.Second, cImpl.retryTimeout)
assert.Equal(t, 3, cImpl.maxRetries)
assert.NoError(t, cosmos.Stop())
}
func TestAutomaticRetries_DefaultTimeout(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
metrics, _ := NewMockedMetrics(mockCtrl)
// WHEN
cosmos, err := New("ws://host", AutomaticRetries(3, 0*time.Second), withMetrics(metrics))
require.NoError(t, err)
// THEN
cImpl := toCosmosImpl(t, cosmos)
assert.Equal(t, time.Second*30, cImpl.retryTimeout)
assert.Equal(t, 3, cImpl.maxRetries)
assert.NoError(t, cosmos.Stop())
}
func TestCosmosImpl_ExecuteQuery_NoQuery(t *testing.T) {
// GIVEN
cosmos := cosmosImpl{}
// WHEN
responses, err := cosmos.ExecuteQuery(nil)
// THEN
assert.EqualError(t, err, "query is nil")
assert.Nil(t, responses)
}
func TestCosmosImpl_Execute_RetriesSuccess(t *testing.T) {
defer goleak.VerifyNone(t, goleak.IgnoreCurrent())
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 3
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
success := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusSuccess,
},
},
}
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.0500000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().Execute(query).Times(maxRetries).
Return(doRetry, nil),
queryExecutor.EXPECT().Execute(query).Times(1).
Return(success, nil),
)
// WHEN
responses, err := cosmos.Execute(query)
// THEN
assert.EqualValues(t, success, responses)
assert.NoError(t, err)
}
func TestCosmosImpl_Execute_NoRetries(t *testing.T) {
defer goleak.VerifyNone(t, goleak.IgnoreCurrent())
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 0
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.5000000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().Execute(query).Times(1).
Return(doRetry, nil),
)
// WHEN
responses, err := cosmos.Execute(query)
// THEN
assert.EqualValues(t, responses, doRetry)
assert.EqualError(t, err, "429 (3200) - Request was throttled and should be retried after value in x-ms-retry-after-ms")
}
func TestCosmosImpl_Execute_MaxRetriesFailure(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 3
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.0500000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().Execute(query).Times(maxRetries).
Return(doRetry, nil),
queryExecutor.EXPECT().Execute(query).Times(1).
Return(doRetry, nil),
)
// WHEN
responses, err := cosmos.Execute(query)
// THEN
assert.EqualValues(t, doRetry, responses)
assert.EqualError(t, err, "429 (3200) - Request was throttled and should be retried after value in x-ms-retry-after-ms")
}
func TestCosmosImpl_Execute_NoRetriesAfterSuccess(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 3
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
success := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusSuccess,
},
},
}
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.0500000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().Execute(query).Times(1).
Return(doRetry, nil),
queryExecutor.EXPECT().Execute(query).Times(1).
Return(success, nil),
)
// WHEN
responses, err := cosmos.Execute(query)
// THEN
assert.EqualValues(t, responses, success)
assert.NoError(t, err)
}
func TestCosmosImpl_ExecuteWithBindings_RetriesSuccess(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 3
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
success := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusSuccess,
},
},
}
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.0500000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().ExecuteWithBindings(gomock.Any(), gomock.Any(), gomock.Any()).Times(maxRetries).
Return(doRetry, nil),
queryExecutor.EXPECT().ExecuteWithBindings(gomock.Any(), gomock.Any(), gomock.Any()).Times(1).
Return(success, nil),
)
// WHEN
responses, err := cosmos.ExecuteWithBindings(query, nil, nil)
// THEN
assert.EqualValues(t, success, responses)
assert.NoError(t, err)
}
func TestCosmosImpl_ExecuteWithBindings_NoRetries(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 0
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.5000000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().ExecuteWithBindings(gomock.Any(), gomock.Any(), gomock.Any()).Times(1).
Return(doRetry, nil),
)
// WHEN
responses, err := cosmos.ExecuteWithBindings(query, nil, nil)
// THEN
assert.EqualValues(t, responses, doRetry)
assert.EqualError(t, err, "429 (3200) - Request was throttled and should be retried after value in x-ms-retry-after-ms")
}
func TestCosmosImpl_ExecuteWithBindings_MaxRetriesFailure(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 3
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.0500000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().ExecuteWithBindings(gomock.Any(), gomock.Any(), gomock.Any()).Times(maxRetries).
Return(doRetry, nil),
queryExecutor.EXPECT().ExecuteWithBindings(gomock.Any(), gomock.Any(), gomock.Any()).Times(1).
Return(doRetry, nil),
)
// WHEN
responses, err := cosmos.ExecuteWithBindings(query, nil, nil)
// THEN
assert.EqualValues(t, doRetry, responses)
assert.EqualError(t, err, "429 (3200) - Request was throttled and should be retried after value in x-ms-retry-after-ms")
}
func TestCosmosImpl_ExecuteWithBindings_NoRetriesAfterSuccess(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 3
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
success := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusSuccess,
},
},
}
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.0500000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().ExecuteWithBindings(gomock.Any(), gomock.Any(), gomock.Any()).Times(1).
Return(doRetry, nil),
queryExecutor.EXPECT().ExecuteWithBindings(gomock.Any(), gomock.Any(), gomock.Any()).Times(1).
Return(success, nil),
)
// WHEN
responses, err := cosmos.ExecuteWithBindings(query, nil, nil)
// THEN
assert.EqualValues(t, responses, success)
assert.NoError(t, err)
}
func TestCosmosImpl_ExecuteAsync_RetriesSuccess(t *testing.T) {
defer goleak.VerifyNone(t, goleak.IgnoreCurrent())
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 3
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
success := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusSuccess,
},
},
}
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.0500000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().ExecuteAsync(gomock.Any(), gomock.Any()).Times(maxRetries).DoAndReturn(func(q string, resp chan interfaces.AsyncResponse) error {
resp <- interfaces.AsyncResponse{Response: doRetry[0]}
close(resp)
return nil
}),
queryExecutor.EXPECT().ExecuteAsync(gomock.Any(), gomock.Any()).Times(1).
DoAndReturn(func(q string, resp chan interfaces.AsyncResponse) error {
resp <- interfaces.AsyncResponse{Response: success[0]}
close(resp)
return nil
}),
)
// WHEN
responseChannel := make(chan interfaces.AsyncResponse, 100)
err = cosmos.ExecuteAsync(query, responseChannel)
responses := make([]interfaces.Response, 0, 1)
for resp := range responseChannel {
responses = append(responses, resp.Response)
}
// THEN
assert.EqualValues(t, success, responses)
assert.NoError(t, err)
}
func TestCosmosImpl_ExecuteAsync_NoRetries(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 0
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"
doRetry := []interfaces.Response{
{
Status: interfaces.Status{
Code: interfaces.StatusServerError,
Attributes: map[string]interface{}{
"x-ms-status-code": 429,
"x-ms-substatus-code": 3200,
"x-ms-retry-after-ms": "00:00:00.5000000",
},
},
},
}
queryExecutor.EXPECT().LastError().AnyTimes().Return(nil)
queryExecutor.EXPECT().IsConnected().AnyTimes().Return(true)
gomock.InOrder(
queryExecutor.EXPECT().ExecuteAsync(gomock.Any(), gomock.Any()).Times(1).DoAndReturn(func(q string, resp chan interfaces.AsyncResponse) error {
resp <- interfaces.AsyncResponse{Response: doRetry[0]}
close(resp)
return nil
}),
)
// WHEN
responseChannel := make(chan interfaces.AsyncResponse, 100)
err = cosmos.ExecuteAsync(query, responseChannel)
responses := make([]interfaces.Response, 0, 1)
for resp := range responseChannel {
responses = append(responses, resp.Response)
}
// THEN
assert.EqualValues(t, responses, doRetry)
assert.NoError(t, err)
}
func TestCosmosImpl_ExecuteAsync_MaxRetriesFailure(t *testing.T) {
// GIVEN
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
queryExecutor, poolMock, err := newMockedPool(mockCtrl)
require.NoError(t, err)
const maxRetries = 3
cosmos := cosmosImpl{
logger: zerolog.New(os.Stdout).Level(zerolog.DebugLevel),
pool: poolMock,
metrics: newStubbedMetrics(),
maxRetries: maxRetries,
retryTimeout: time.Second * 2,
}
query := "g.V().has(\"user_id\",\"12345\")"