persistenceErrorInjectionClients.go

// Copyright (c) 2017-2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package persistence

import (
	"context"
	"math/rand"

	"github.com/uber/cadence/common/errors"
	"github.com/uber/cadence/common/log"
	"github.com/uber/cadence/common/log/tag"
)

var (
	// ErrFakeTimeout is a fake persistence timeout error.
	ErrFakeTimeout = &TimeoutError{Msg: "Fake Persistence Timeout Error."}
)

var (
	fakeErrors = []error{
		errors.ErrFakeServiceBusy,
		errors.ErrFakeInternalService,
		ErrFakeTimeout,
		errors.ErrFakeUnhandled,
	}
)

const (
	msgInjectedFakeErr = "Injected fake persistence error"
)

type (
	shardErrorInjectionPersistenceClient struct {
		persistence ShardManager
		errorRate   float64
		logger      log.Logger
	}

	workflowExecutionErrorInjectionPersistenceClient struct {
		persistence ExecutionManager
		errorRate   float64
		logger      log.Logger
	}

	taskErrorInjectionPersistenceClient struct {
		persistence TaskManager
		errorRate   float64
		logger      log.Logger
	}

	historyErrorInjectionPersistenceClient struct {
		persistence HistoryManager
		errorRate   float64
		logger      log.Logger
	}

	metadataErrorInjectionPersistenceClient struct {
		persistence DomainManager
		errorRate   float64
		logger      log.Logger
	}

	visibilityErrorInjectionPersistenceClient struct {
		persistence VisibilityManager
		errorRate   float64
		logger      log.Logger
	}

	queueErrorInjectionPersistenceClient struct {
		persistence QueueManager
		errorRate   float64
		logger      log.Logger
	}
)

var _ ShardManager = (*shardErrorInjectionPersistenceClient)(nil)
var _ ExecutionManager = (*workflowExecutionErrorInjectionPersistenceClient)(nil)
var _ TaskManager = (*taskErrorInjectionPersistenceClient)(nil)
var _ HistoryManager = (*historyErrorInjectionPersistenceClient)(nil)
var _ DomainManager = (*metadataErrorInjectionPersistenceClient)(nil)
var _ VisibilityManager = (*visibilityErrorInjectionPersistenceClient)(nil)
var _ QueueManager = (*queueErrorInjectionPersistenceClient)(nil)

// NewShardPersistenceErrorInjectionClient creates an error injection client to manage shards
func NewShardPersistenceErrorInjectionClient(
	persistence ShardManager,
	errorRate float64,
	logger log.Logger,
) ShardManager {
	return &shardErrorInjectionPersistenceClient{
		persistence: persistence,
		errorRate:   errorRate,
		logger:      logger,
	}
}

// NewWorkflowExecutionPersistenceErrorInjectionClient creates an error injection client to manage executions
func NewWorkflowExecutionPersistenceErrorInjectionClient(
	persistence ExecutionManager,
	errorRate float64,
	logger log.Logger,
) ExecutionManager {
	return &workflowExecutionErrorInjectionPersistenceClient{
		persistence: persistence,
		errorRate:   errorRate,
		logger:      logger,
	}
}

// NewTaskPersistenceErrorInjectionClient creates an error injection client to manage tasks
func NewTaskPersistenceErrorInjectionClient(
	persistence TaskManager,
	errorRate float64,
	logger log.Logger,
) TaskManager {
	return &taskErrorInjectionPersistenceClient{
		persistence: persistence,
		errorRate:   errorRate,
		logger:      logger,
	}
}

// NewHistoryPersistenceErrorInjectionClient creates an error injection HistoryManager client to manage workflow execution history
func NewHistoryPersistenceErrorInjectionClient(
	persistence HistoryManager,
	errorRate float64,
	logger log.Logger,
) HistoryManager {
	return &historyErrorInjectionPersistenceClient{
		persistence: persistence,
		errorRate:   errorRate,
		logger:      logger,
	}
}

// NewDomainPersistenceErrorInjectionClient creates an error injection DomainManager client to manage metadata
func NewDomainPersistenceErrorInjectionClient(
	persistence DomainManager,
	errorRate float64,
	logger log.Logger,
) DomainManager {
	return &metadataErrorInjectionPersistenceClient{
		persistence: persistence,
		errorRate:   errorRate,
		logger:      logger,
	}
}

// NewVisibilityPersistenceErrorInjectionClient creates an error injection client to manage visibility
func NewVisibilityPersistenceErrorInjectionClient(
	persistence VisibilityManager,
	errorRate float64,
	logger log.Logger,
) VisibilityManager {
	return &visibilityErrorInjectionPersistenceClient{
		persistence: persistence,
		errorRate:   errorRate,
		logger:      logger,
	}
}

// NewQueuePersistenceErrorInjectionClient creates an error injection client to manage queue
func NewQueuePersistenceErrorInjectionClient(
	persistence QueueManager,
	errorRate float64,
	logger log.Logger,
) QueueManager {
	return &queueErrorInjectionPersistenceClient{
		persistence: persistence,
		errorRate:   errorRate,
		logger:      logger,
	}
}

func (p *shardErrorInjectionPersistenceClient) GetName() string {
	return p.persistence.GetName()
}

func (p *shardErrorInjectionPersistenceClient) CreateShard(
	ctx context.Context,
	request *CreateShardRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.CreateShard(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr, tag.StoreOperationCreateShard, tag.Error(fakeErr), tag.Bool(forwardCall), tag.StoreError(persistenceErr))
		return fakeErr
	}
	return persistenceErr
}

func (p *shardErrorInjectionPersistenceClient) GetShard(
	ctx context.Context,
	request *GetShardRequest,
) (*GetShardResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetShardResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetShard(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr, tag.StoreOperationGetShard, tag.Error(fakeErr), tag.Bool(forwardCall), tag.StoreError(persistenceErr))
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *shardErrorInjectionPersistenceClient) UpdateShard(
	ctx context.Context,
	request *UpdateShardRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.UpdateShard(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr, tag.StoreOperationUpdateShard, tag.Error(fakeErr), tag.Bool(forwardCall), tag.StoreError(persistenceErr))
		return fakeErr
	}
	return persistenceErr
}

func (p *shardErrorInjectionPersistenceClient) Close() {
	p.persistence.Close()
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetName() string {
	return p.persistence.GetName()
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetShardID() int {
	return p.persistence.GetShardID()
}

func (p *workflowExecutionErrorInjectionPersistenceClient) CreateWorkflowExecution(
	ctx context.Context,
	request *CreateWorkflowExecutionRequest,
) (*CreateWorkflowExecutionResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *CreateWorkflowExecutionResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.CreateWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCreateWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetWorkflowExecution(
	ctx context.Context,
	request *GetWorkflowExecutionRequest,
) (*GetWorkflowExecutionResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetWorkflowExecutionResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) UpdateWorkflowExecution(
	ctx context.Context,
	request *UpdateWorkflowExecutionRequest,
) (*UpdateWorkflowExecutionResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *UpdateWorkflowExecutionResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.UpdateWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationUpdateWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) ConflictResolveWorkflowExecution(
	ctx context.Context,
	request *ConflictResolveWorkflowExecutionRequest,
) (*ConflictResolveWorkflowExecutionResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ConflictResolveWorkflowExecutionResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ConflictResolveWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationConflictResolveWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) DeleteWorkflowExecution(
	ctx context.Context,
	request *DeleteWorkflowExecutionRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) DeleteCurrentWorkflowExecution(
	ctx context.Context,
	request *DeleteCurrentWorkflowExecutionRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteCurrentWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteCurrentWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetCurrentExecution(
	ctx context.Context,
	request *GetCurrentExecutionRequest,
) (*GetCurrentExecutionResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetCurrentExecutionResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetCurrentExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetCurrentExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) ListCurrentExecutions(
	ctx context.Context,
	request *ListCurrentExecutionsRequest,
) (*ListCurrentExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListCurrentExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListCurrentExecutions(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListCurrentExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) IsWorkflowExecutionExists(
	ctx context.Context,
	request *IsWorkflowExecutionExistsRequest,
) (*IsWorkflowExecutionExistsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *IsWorkflowExecutionExistsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.IsWorkflowExecutionExists(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationIsWorkflowExecutionExists,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) ListConcreteExecutions(
	ctx context.Context,
	request *ListConcreteExecutionsRequest,
) (*ListConcreteExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListConcreteExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListConcreteExecutions(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListConcreteExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetTransferTasks(
	ctx context.Context,
	request *GetTransferTasksRequest,
) (*GetTransferTasksResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetTransferTasksResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetTransferTasks(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetTransferTasks,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetCrossClusterTasks(
	ctx context.Context,
	request *GetCrossClusterTasksRequest,
) (*GetCrossClusterTasksResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetCrossClusterTasksResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetCrossClusterTasks(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetTransferTasks,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetReplicationTasks(
	ctx context.Context,
	request *GetReplicationTasksRequest,
) (*GetReplicationTasksResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetReplicationTasksResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetReplicationTasks(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetReplicationTasks,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) CompleteTransferTask(
	ctx context.Context,
	request *CompleteTransferTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.CompleteTransferTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCompleteTransferTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) RangeCompleteTransferTask(
	ctx context.Context,
	request *RangeCompleteTransferTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.RangeCompleteTransferTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationRangeCompleteTransferTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) CompleteCrossClusterTask(
	ctx context.Context,
	request *CompleteCrossClusterTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.CompleteCrossClusterTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCompleteCrossClusterTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) RangeCompleteCrossClusterTask(
	ctx context.Context,
	request *RangeCompleteCrossClusterTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.RangeCompleteCrossClusterTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationRangeCompleteCrossClusterTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) CompleteReplicationTask(
	ctx context.Context,
	request *CompleteReplicationTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.CompleteReplicationTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCompleteReplicationTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) RangeCompleteReplicationTask(
	ctx context.Context,
	request *RangeCompleteReplicationTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.RangeCompleteReplicationTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationRangeCompleteReplicationTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) PutReplicationTaskToDLQ(
	ctx context.Context,
	request *PutReplicationTaskToDLQRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.PutReplicationTaskToDLQ(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationPutReplicationTaskToDLQ,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetReplicationTasksFromDLQ(
	ctx context.Context,
	request *GetReplicationTasksFromDLQRequest,
) (*GetReplicationTasksFromDLQResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetReplicationTasksFromDLQResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetReplicationTasksFromDLQ(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetReplicationTasksFromDLQ,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetReplicationDLQSize(
	ctx context.Context,
	request *GetReplicationDLQSizeRequest,
) (*GetReplicationDLQSizeResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetReplicationDLQSizeResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetReplicationDLQSize(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetReplicationDLQSize,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) DeleteReplicationTaskFromDLQ(
	ctx context.Context,
	request *DeleteReplicationTaskFromDLQRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteReplicationTaskFromDLQ(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteReplicationTaskFromDLQ,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) RangeDeleteReplicationTaskFromDLQ(
	ctx context.Context,
	request *RangeDeleteReplicationTaskFromDLQRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.RangeDeleteReplicationTaskFromDLQ(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationRangeDeleteReplicationTaskFromDLQ,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) CreateFailoverMarkerTasks(
	ctx context.Context,
	request *CreateFailoverMarkersRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.CreateFailoverMarkerTasks(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCreateFailoverMarkerTasks,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) GetTimerIndexTasks(
	ctx context.Context,
	request *GetTimerIndexTasksRequest,
) (*GetTimerIndexTasksResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetTimerIndexTasksResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetTimerIndexTasks(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetTimerIndexTasks,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) CompleteTimerTask(
	ctx context.Context,
	request *CompleteTimerTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.CompleteTimerTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCompleteTimerTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) RangeCompleteTimerTask(
	ctx context.Context,
	request *RangeCompleteTimerTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.RangeCompleteTimerTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationRangeCompleteTimerTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *workflowExecutionErrorInjectionPersistenceClient) Close() {
	p.persistence.Close()
}

func (p *taskErrorInjectionPersistenceClient) GetName() string {
	return p.persistence.GetName()
}

func (p *taskErrorInjectionPersistenceClient) CreateTasks(
	ctx context.Context,
	request *CreateTasksRequest,
) (*CreateTasksResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *CreateTasksResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.CreateTasks(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCreateTasks,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) GetTasks(
	ctx context.Context,
	request *GetTasksRequest,
) (*GetTasksResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetTasksResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetTasks(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetTasks,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) CompleteTask(
	ctx context.Context,
	request *CompleteTaskRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.CompleteTask(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCompleteTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) CompleteTasksLessThan(
	ctx context.Context,
	request *CompleteTasksLessThanRequest,
) (int, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response int
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.CompleteTasksLessThan(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCompleteTasksLessThan,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return 0, fakeErr
	}
	return response, persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) GetOrphanTasks(
	ctx context.Context,
	request *GetOrphanTasksRequest,
) (*GetOrphanTasksResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetOrphanTasksResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetOrphanTasks(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCompleteTask,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) LeaseTaskList(
	ctx context.Context,
	request *LeaseTaskListRequest,
) (*LeaseTaskListResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *LeaseTaskListResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.LeaseTaskList(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationLeaseTaskList,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) UpdateTaskList(
	ctx context.Context,
	request *UpdateTaskListRequest,
) (*UpdateTaskListResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *UpdateTaskListResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.UpdateTaskList(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationUpdateTaskList,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) ListTaskList(
	ctx context.Context,
	request *ListTaskListRequest,
) (*ListTaskListResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListTaskListResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListTaskList(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListTaskList,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) DeleteTaskList(
	ctx context.Context,
	request *DeleteTaskListRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteTaskList(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteTaskList,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *taskErrorInjectionPersistenceClient) Close() {
	p.persistence.Close()
}

func (p *metadataErrorInjectionPersistenceClient) GetName() string {
	return p.persistence.GetName()
}

func (p *metadataErrorInjectionPersistenceClient) CreateDomain(
	ctx context.Context,
	request *CreateDomainRequest,
) (*CreateDomainResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *CreateDomainResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.CreateDomain(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCreateDomain,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *metadataErrorInjectionPersistenceClient) GetDomain(
	ctx context.Context,
	request *GetDomainRequest,
) (*GetDomainResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetDomainResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetDomain(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetDomain,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *metadataErrorInjectionPersistenceClient) UpdateDomain(
	ctx context.Context,
	request *UpdateDomainRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.UpdateDomain(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationUpdateDomain,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *metadataErrorInjectionPersistenceClient) DeleteDomain(
	ctx context.Context,
	request *DeleteDomainRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteDomain(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteDomain,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *metadataErrorInjectionPersistenceClient) DeleteDomainByName(
	ctx context.Context,
	request *DeleteDomainByNameRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteDomainByName(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteDomainByName,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *metadataErrorInjectionPersistenceClient) ListDomains(
	ctx context.Context,
	request *ListDomainsRequest,
) (*ListDomainsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListDomainsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListDomains(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListDomains,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *metadataErrorInjectionPersistenceClient) GetMetadata(
	ctx context.Context,
) (*GetMetadataResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetMetadataResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetMetadata(ctx)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetMetadata,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *metadataErrorInjectionPersistenceClient) Close() {
	p.persistence.Close()
}

func (p *visibilityErrorInjectionPersistenceClient) GetName() string {
	return p.persistence.GetName()
}

func (p *visibilityErrorInjectionPersistenceClient) RecordWorkflowExecutionStarted(
	ctx context.Context,
	request *RecordWorkflowExecutionStartedRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.RecordWorkflowExecutionStarted(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationRecordWorkflowExecutionStarted,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) RecordWorkflowExecutionClosed(
	ctx context.Context,
	request *RecordWorkflowExecutionClosedRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.RecordWorkflowExecutionClosed(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationRecordWorkflowExecutionClosed,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) UpsertWorkflowExecution(
	ctx context.Context,
	request *UpsertWorkflowExecutionRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.UpsertWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationUpsertWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ListOpenWorkflowExecutions(
	ctx context.Context,
	request *ListWorkflowExecutionsRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListOpenWorkflowExecutions(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListOpenWorkflowExecutions,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ListClosedWorkflowExecutions(
	ctx context.Context,
	request *ListWorkflowExecutionsRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListClosedWorkflowExecutions(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListClosedWorkflowExecutions,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ListOpenWorkflowExecutionsByType(
	ctx context.Context,
	request *ListWorkflowExecutionsByTypeRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListOpenWorkflowExecutionsByType(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListOpenWorkflowExecutionsByType,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ListClosedWorkflowExecutionsByType(
	ctx context.Context,
	request *ListWorkflowExecutionsByTypeRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListClosedWorkflowExecutionsByType(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListClosedWorkflowExecutionsByType,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ListOpenWorkflowExecutionsByWorkflowID(
	ctx context.Context,
	request *ListWorkflowExecutionsByWorkflowIDRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListOpenWorkflowExecutionsByWorkflowID(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListOpenWorkflowExecutionsByWorkflowID,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ListClosedWorkflowExecutionsByWorkflowID(
	ctx context.Context,
	request *ListWorkflowExecutionsByWorkflowIDRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListClosedWorkflowExecutionsByWorkflowID(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListClosedWorkflowExecutionsByWorkflowID,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ListClosedWorkflowExecutionsByStatus(
	ctx context.Context,
	request *ListClosedWorkflowExecutionsByStatusRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListClosedWorkflowExecutionsByStatus(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListClosedWorkflowExecutionsByStatus,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) GetClosedWorkflowExecution(
	ctx context.Context,
	request *GetClosedWorkflowExecutionRequest,
) (*GetClosedWorkflowExecutionResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetClosedWorkflowExecutionResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetClosedWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetClosedWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) DeleteWorkflowExecution(
	ctx context.Context,
	request *VisibilityDeleteWorkflowExecutionRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteWorkflowExecution(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationVisibilityDeleteWorkflowExecution,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ListWorkflowExecutions(
	ctx context.Context,
	request *ListWorkflowExecutionsByQueryRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ListWorkflowExecutions(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationListWorkflowExecutions,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) ScanWorkflowExecutions(
	ctx context.Context,
	request *ListWorkflowExecutionsByQueryRequest,
) (*ListWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ListWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ScanWorkflowExecutions(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationScanWorkflowExecutions,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) CountWorkflowExecutions(
	ctx context.Context,
	request *CountWorkflowExecutionsRequest,
) (*CountWorkflowExecutionsResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *CountWorkflowExecutionsResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.CountWorkflowExecutions(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationCountWorkflowExecutions,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *visibilityErrorInjectionPersistenceClient) Close() {
	p.persistence.Close()
}

func (p *historyErrorInjectionPersistenceClient) GetName() string {
	return p.persistence.GetName()
}

// AppendHistoryNodes add(or override) a node to a history branch
func (p *historyErrorInjectionPersistenceClient) AppendHistoryNodes(
	ctx context.Context,
	request *AppendHistoryNodesRequest,
) (*AppendHistoryNodesResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *AppendHistoryNodesResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.AppendHistoryNodes(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationAppendHistoryNodes,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

// ReadHistoryBranch returns history node data for a branch
func (p *historyErrorInjectionPersistenceClient) ReadHistoryBranch(
	ctx context.Context,
	request *ReadHistoryBranchRequest,
) (*ReadHistoryBranchResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ReadHistoryBranchResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ReadHistoryBranch(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationReadHistoryBranch,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

// ReadHistoryBranchByBatch returns history node data for a branch
func (p *historyErrorInjectionPersistenceClient) ReadHistoryBranchByBatch(
	ctx context.Context,
	request *ReadHistoryBranchRequest,
) (*ReadHistoryBranchByBatchResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ReadHistoryBranchByBatchResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ReadHistoryBranchByBatch(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationReadHistoryBranchByBatch,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

// ReadHistoryBranchByBatch returns history node data for a branch
func (p *historyErrorInjectionPersistenceClient) ReadRawHistoryBranch(
	ctx context.Context,
	request *ReadHistoryBranchRequest,
) (*ReadRawHistoryBranchResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ReadRawHistoryBranchResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ReadRawHistoryBranch(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationReadRawHistoryBranch,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

// ForkHistoryBranch forks a new branch from a old branch
func (p *historyErrorInjectionPersistenceClient) ForkHistoryBranch(
	ctx context.Context,
	request *ForkHistoryBranchRequest,
) (*ForkHistoryBranchResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *ForkHistoryBranchResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ForkHistoryBranch(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationForkHistoryBranch,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

// DeleteHistoryBranch removes a branch
func (p *historyErrorInjectionPersistenceClient) DeleteHistoryBranch(
	ctx context.Context,
	request *DeleteHistoryBranchRequest,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteHistoryBranch(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteHistoryBranch,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

// GetHistoryTree returns all branch information of a tree
func (p *historyErrorInjectionPersistenceClient) GetHistoryTree(
	ctx context.Context,
	request *GetHistoryTreeRequest,
) (*GetHistoryTreeResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetHistoryTreeResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetHistoryTree(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetHistoryTree,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *historyErrorInjectionPersistenceClient) GetAllHistoryTreeBranches(
	ctx context.Context,
	request *GetAllHistoryTreeBranchesRequest,
) (*GetAllHistoryTreeBranchesResponse, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response *GetAllHistoryTreeBranchesResponse
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetAllHistoryTreeBranches(ctx, request)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetAllHistoryTreeBranches,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *historyErrorInjectionPersistenceClient) Close() {
	p.persistence.Close()
}

func (p *queueErrorInjectionPersistenceClient) EnqueueMessage(
	ctx context.Context,
	message []byte,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.EnqueueMessage(ctx, message)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationEnqueueMessage,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) ReadMessages(
	ctx context.Context,
	lastMessageID int64,
	maxCount int,
) ([]*QueueMessage, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response []*QueueMessage
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.ReadMessages(ctx, lastMessageID, maxCount)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationReadMessages,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) UpdateAckLevel(
	ctx context.Context,
	messageID int64,
	clusterName string,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.UpdateAckLevel(ctx, messageID, clusterName)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationUpdateAckLevel,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) GetAckLevels(
	ctx context.Context,
) (map[string]int64, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response map[string]int64
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetAckLevels(ctx)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetAckLevels,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) DeleteMessagesBefore(
	ctx context.Context,
	messageID int64,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteMessagesBefore(ctx, messageID)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteMessagesBefore,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) EnqueueMessageToDLQ(
	ctx context.Context,
	message []byte,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.EnqueueMessageToDLQ(ctx, message)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationEnqueueMessageToDLQ,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) ReadMessagesFromDLQ(
	ctx context.Context,
	firstMessageID int64,
	lastMessageID int64,
	pageSize int,
	pageToken []byte,
) ([]*QueueMessage, []byte, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response []*QueueMessage
	var token []byte
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, token, persistenceErr = p.persistence.ReadMessagesFromDLQ(ctx, firstMessageID, lastMessageID, pageSize, pageToken)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationReadMessagesFromDLQ,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, nil, fakeErr
	}
	return response, token, persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) RangeDeleteMessagesFromDLQ(
	ctx context.Context,
	firstMessageID int64,
	lastMessageID int64,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.RangeDeleteMessagesFromDLQ(ctx, firstMessageID, lastMessageID)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationRangeDeleteMessagesFromDLQ,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) UpdateDLQAckLevel(
	ctx context.Context,
	messageID int64,
	clusterName string,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.UpdateDLQAckLevel(ctx, messageID, clusterName)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationUpdateDLQAckLevel,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) GetDLQAckLevels(
	ctx context.Context,
) (map[string]int64, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response map[string]int64
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetDLQAckLevels(ctx)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetDLQAckLevels,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return nil, fakeErr
	}
	return response, persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) GetDLQSize(
	ctx context.Context,
) (int64, error) {
	fakeErr := generateFakeError(p.errorRate)

	var response int64
	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		response, persistenceErr = p.persistence.GetDLQSize(ctx)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationGetDLQSize,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return 0, fakeErr
	}
	return response, persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) DeleteMessageFromDLQ(
	ctx context.Context,
	messageID int64,
) error {
	fakeErr := generateFakeError(p.errorRate)

	var persistenceErr error
	var forwardCall bool
	if forwardCall = shouldForwardCallToPersistence(fakeErr); forwardCall {
		persistenceErr = p.persistence.DeleteMessageFromDLQ(ctx, messageID)
	}

	if fakeErr != nil {
		p.logger.Error(msgInjectedFakeErr,
			tag.StoreOperationDeleteMessageFromDLQ,
			tag.Error(fakeErr),
			tag.Bool(forwardCall),
			tag.StoreError(persistenceErr),
		)
		return fakeErr
	}
	return persistenceErr
}

func (p *queueErrorInjectionPersistenceClient) Close() {
	p.persistence.Close()
}

func shouldForwardCallToPersistence(
	err error,
) bool {
	if err == nil {
		return true
	}

	if err == ErrFakeTimeout || err == errors.ErrFakeUnhandled {
		// forward the call with 50% chance
		return rand.Intn(2) == 0
	}

	return false
}

func generateFakeError(
	errorRate float64,
) error {
	if rand.Float64() < errorRate {
		return fakeErrors[rand.Intn(len(fakeErrors))]
	}

	return nil
}