128 lines
3.6 KiB
Go
128 lines
3.6 KiB
Go
// Copyright 2015 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,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package ddl
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
|
|
"github.com/pingcap/tidb/infoschema"
|
|
"github.com/pingcap/tidb/parser/model"
|
|
"github.com/pingcap/tidb/sessionctx"
|
|
"github.com/pingcap/tidb/util/logutil"
|
|
"github.com/stretchr/testify/require"
|
|
"go.uber.org/zap"
|
|
)
|
|
|
|
type TestInterceptor struct {
|
|
*BaseInterceptor
|
|
|
|
OnGetInfoSchemaExported func(ctx sessionctx.Context, is infoschema.InfoSchema) infoschema.InfoSchema
|
|
}
|
|
|
|
func (ti *TestInterceptor) OnGetInfoSchema(ctx sessionctx.Context, is infoschema.InfoSchema) infoschema.InfoSchema {
|
|
if ti.OnGetInfoSchemaExported != nil {
|
|
return ti.OnGetInfoSchemaExported(ctx, is)
|
|
}
|
|
|
|
return ti.BaseInterceptor.OnGetInfoSchema(ctx, is)
|
|
}
|
|
|
|
// TestDDLCallback is used to customize user callback themselves.
|
|
type TestDDLCallback struct {
|
|
*BaseCallback
|
|
// We recommended to pass the domain parameter to the test ddl callback, it will ensure
|
|
// domain to reload schema before your ddl stepping into the next state change.
|
|
Do DomainReloader
|
|
|
|
onJobRunBefore func(*model.Job)
|
|
OnJobRunBeforeExported func(*model.Job)
|
|
onJobUpdated func(*model.Job)
|
|
OnJobUpdatedExported func(*model.Job)
|
|
onWatched func(ctx context.Context)
|
|
}
|
|
|
|
// OnChanged mock the same behavior with the main DDL hook.
|
|
func (tc *TestDDLCallback) OnChanged(err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
logutil.BgLogger().Info("performing DDL change, must reload")
|
|
if tc.Do != nil {
|
|
err = tc.Do.Reload()
|
|
if err != nil {
|
|
logutil.BgLogger().Error("performing DDL change failed", zap.Error(err))
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// OnSchemaStateChanged mock the same behavior with the main ddl hook.
|
|
func (tc *TestDDLCallback) OnSchemaStateChanged() {
|
|
if tc.Do != nil {
|
|
if err := tc.Do.Reload(); err != nil {
|
|
logutil.BgLogger().Warn("reload failed on schema state changed", zap.Error(err))
|
|
}
|
|
}
|
|
}
|
|
|
|
// OnJobRunBefore is used to run the user customized logic of `onJobRunBefore` first.
|
|
func (tc *TestDDLCallback) OnJobRunBefore(job *model.Job) {
|
|
logutil.BgLogger().Info("on job run before", zap.String("job", job.String()))
|
|
if tc.OnJobRunBeforeExported != nil {
|
|
tc.OnJobRunBeforeExported(job)
|
|
return
|
|
}
|
|
if tc.onJobRunBefore != nil {
|
|
tc.onJobRunBefore(job)
|
|
return
|
|
}
|
|
|
|
tc.BaseCallback.OnJobRunBefore(job)
|
|
}
|
|
|
|
// OnJobUpdated is used to run the user customized logic of `OnJobUpdated` first.
|
|
func (tc *TestDDLCallback) OnJobUpdated(job *model.Job) {
|
|
logutil.BgLogger().Info("on job updated", zap.String("job", job.String()))
|
|
if tc.OnJobUpdatedExported != nil {
|
|
tc.OnJobUpdatedExported(job)
|
|
return
|
|
}
|
|
if tc.onJobUpdated != nil {
|
|
tc.onJobUpdated(job)
|
|
return
|
|
}
|
|
|
|
tc.BaseCallback.OnJobUpdated(job)
|
|
}
|
|
|
|
// OnWatched is used to run the user customized logic of `OnWatched` first.
|
|
func (tc *TestDDLCallback) OnWatched(ctx context.Context) {
|
|
if tc.onWatched != nil {
|
|
tc.onWatched(ctx)
|
|
return
|
|
}
|
|
|
|
tc.BaseCallback.OnWatched(ctx)
|
|
}
|
|
|
|
func TestCallback(t *testing.T) {
|
|
cb := &BaseCallback{}
|
|
require.Nil(t, cb.OnChanged(nil))
|
|
cb.OnJobRunBefore(nil)
|
|
cb.OnJobUpdated(nil)
|
|
cb.OnWatched(context.TODO())
|
|
}
|