dtm/dtmsvr/dtmsvr_test.go
2021-05-22 11:50:38 +08:00

142 lines
3.9 KiB
Go

package dtmsvr
import (
"testing"
"time"
"github.com/go-playground/assert/v2"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
"github.com/yedf/dtm"
"github.com/yedf/dtm/common"
"github.com/yedf/dtm/examples"
)
var myinit int = func() int {
LoadConfig()
return 0
}()
func TestViper(t *testing.T) {
assert.Equal(t, true, viper.Get("mysql") != nil)
assert.Equal(t, int64(90), Config.PreparedExpire)
}
func TestDtmSvr(t *testing.T) {
SagaProcessedTestChan = make(chan string, 1)
// 清理数据
common.PanicIfError(db.Exec("truncate saga").Error)
common.PanicIfError(db.Exec("truncate saga_step").Error)
common.PanicIfError(db.Exec("truncate trans_log").Error)
// 启动组件
go StartSvr()
go examples.StartSvr()
time.Sleep(time.Duration(100 * 1000 * 1000))
preparePending(t)
prepareCancel(t)
commitedPending(t)
noramlSaga(t)
rollbackSaga2(t)
}
func TestCover(t *testing.T) {
db := DbGet()
db.NoMust()
CronPreparedOnce(0)
CronCommitedOnce(0)
defer handlePanic()
checkAffected(db.DB)
}
// 测试使用的全局对象
var initdb = DbGet()
func getSagaModel(gid string) *SagaModel {
sm := SagaModel{}
dbr := db.Model(&sm).Where("gid=?", gid).First(&sm)
common.PanicIfError(dbr.Error)
return &sm
}
func getSagaStepStatus(gid string) []string {
steps := []SagaStepModel{}
dbr := db.Model(&SagaStepModel{}).Where("gid=?", gid).Find(&steps)
common.PanicIfError(dbr.Error)
status := []string{}
for _, step := range steps {
status = append(status, step.Status)
}
return status
}
func noramlSaga(t *testing.T) {
saga := genSaga("gid-noramlSaga", false, false)
saga.Prepare()
assert.Equal(t, "prepared", getSagaModel(saga.Gid).Status)
saga.Commit()
assert.Equal(t, "commited", getSagaModel(saga.Gid).Status)
WaitCommitedSaga(saga.Gid)
assert.Equal(t, []string{"pending", "finished", "pending", "finished"}, getSagaStepStatus(saga.Gid))
}
func rollbackSaga2(t *testing.T) {
saga := genSaga("gid-rollbackSaga2", false, true)
saga.Commit()
WaitCommitedSaga(saga.Gid)
saga.Prepare()
assert.Equal(t, "rollbacked", getSagaModel(saga.Gid).Status)
assert.Equal(t, []string{"rollbacked", "finished", "rollbacked", "rollbacked"}, getSagaStepStatus(saga.Gid))
}
func prepareCancel(t *testing.T) {
saga := genSaga("gid1-prepareCancel", false, true)
saga.Prepare()
examples.TransQueryResult = "FAIL"
Config.PreparedExpire = 0
CronPreparedOnce(-10 * time.Second)
examples.TransQueryResult = ""
Config.PreparedExpire = 60
assert.Equal(t, "canceled", getSagaModel(saga.Gid).Status)
}
func preparePending(t *testing.T) {
saga := genSaga("gid1-preparePending", false, false)
saga.Prepare()
examples.TransQueryResult = "PENDING"
CronPreparedOnce(-10 * time.Second)
examples.TransQueryResult = ""
assert.Equal(t, "prepared", getSagaModel(saga.Gid).Status)
CronPreparedOnce(-10 * time.Second)
WaitCommitedSaga(saga.Gid)
assert.Equal(t, "finished", getSagaModel(saga.Gid).Status)
}
func commitedPending(t *testing.T) {
saga := genSaga("gid-commitedPending", false, false)
saga.Prepare()
saga.Commit()
examples.TransOutResult = "PENDING"
WaitCommitedSaga(saga.Gid)
assert.Equal(t, []string{"pending", "finished", "pending", "pending"}, getSagaStepStatus(saga.Gid))
examples.TransOutResult = ""
CronCommitedOnce(-10 * time.Second)
WaitCommitedSaga(saga.Gid)
assert.Equal(t, []string{"pending", "finished", "pending", "finished"}, getSagaStepStatus(saga.Gid))
assert.Equal(t, "finished", getSagaModel(saga.Gid).Status)
}
func genSaga(gid string, inFailed bool, outFailed bool) *dtm.Saga {
logrus.Printf("beginning a saga test ---------------- %s", gid)
saga := dtm.SagaNew(examples.DtmServer, gid, examples.Busi+"/TransQuery")
req := examples.TransReq{
Amount: 30,
TransInFailed: inFailed,
TransOutFailed: outFailed,
}
saga.Add(examples.Busi+"/TransIn", examples.Busi+"/TransInCompensate", &req)
saga.Add(examples.Busi+"/TransOut", examples.Busi+"/TransOutCompensate", &req)
return saga
}