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mock_cluster.go
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/
mock_cluster.go
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// Copyright 2022 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package integration
import (
"context"
"sync"
"testing"
"github.com/golang/mock/gomock"
"github.com/pingcap/log"
"github.com/pingcap/tiflow/engine/model"
"github.com/pingcap/tiflow/engine/pkg/client"
"github.com/pingcap/tiflow/engine/pkg/externalresource/broker"
"github.com/pingcap/tiflow/engine/pkg/externalresource/manager"
resModel "github.com/pingcap/tiflow/engine/pkg/externalresource/model"
pkgOrm "github.com/pingcap/tiflow/engine/pkg/orm"
rpcutilMock "github.com/pingcap/tiflow/engine/pkg/rpcutil/mock"
"github.com/pingcap/tiflow/pkg/errors"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
)
type mockCluster struct {
executorInfo *manager.MockExecutorInfoProvider
jobInfo *manager.MockJobStatusProvider
service *manager.Service
gcCoordinator manager.GCCoordinator
gcRunner manager.GCRunner
executorGroup *client.MockExecutorGroup
meta pkgOrm.Client
brokerLock sync.RWMutex
brokers map[model.ExecutorID]*broker.DefaultBroker
wg sync.WaitGroup
cancel context.CancelFunc
}
func newMockGCCluster(t *testing.T) (*mockCluster, *rpcutilMock.MockFeatureChecker) {
meta, err := pkgOrm.NewMockClient()
if err != nil {
panic(err)
}
executorInfo := manager.NewMockExecutorInfoProvider()
jobInfo := manager.NewMockJobStatusProvider()
mockFeatureChecker := rpcutilMock.NewMockFeatureChecker(gomock.NewController(t))
service := manager.NewService(meta)
executorGroup := client.NewMockExecutorGroup()
gcRunner := manager.NewGCRunner(meta, executorGroup, nil)
gcCoordinator := manager.NewGCCoordinator(executorInfo, jobInfo, meta, gcRunner)
return &mockCluster{
executorInfo: executorInfo,
jobInfo: jobInfo,
service: service,
gcCoordinator: gcCoordinator,
gcRunner: gcRunner,
brokers: make(map[model.ExecutorID]*broker.DefaultBroker),
executorGroup: executorGroup,
meta: meta,
}, mockFeatureChecker
}
func (c *mockCluster) Start(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
c.cancel = cancel
c.wg.Add(1)
go func() {
defer c.wg.Done()
err := c.gcCoordinator.Run(ctx)
require.Error(t, err)
require.True(t, errors.Is(err, context.Canceled))
}()
c.wg.Add(1)
go func() {
defer c.wg.Done()
err := c.gcRunner.Run(ctx)
require.Error(t, err)
require.True(t, errors.Is(err, context.Canceled))
}()
}
func (c *mockCluster) Stop() {
if c.cancel != nil {
c.cancel()
}
c.wg.Wait()
}
func (c *mockCluster) AddBroker(id model.ExecutorID, baseDir string) {
config := &resModel.Config{Local: resModel.LocalFileConfig{BaseDir: baseDir}}
cli := &resourceClientStub{service: c.service}
brk, err := broker.NewBrokerWithConfig(config, id, cli)
if err != nil {
log.Panic("create broker failed", zap.Error(err))
}
c.brokerLock.Lock()
c.brokers[id] = brk
c.brokerLock.Unlock()
c.executorInfo.AddExecutor(string(id), "")
c.executorGroup.AddClient(id, &executorClientStub{
brk: brk,
})
}
func (c *mockCluster) GetBroker(id model.ExecutorID) broker.Broker {
c.brokerLock.RLock()
defer c.brokerLock.RUnlock()
return c.brokers[id]
}
func (c *mockCluster) MustGetBroker(t *testing.T, id model.ExecutorID) broker.Broker {
brk := c.GetBroker(id)
require.NotNil(t, brk)
return brk
}