🔥A cross-language distributed transaction manager. Support xa, tcc, saga, transactional messages. 跨语言分布式事务管理器
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package test
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/yedf/dtm/dtmcli"
"github.com/yedf/dtm/dtmgrpc"
"github.com/yedf/dtm/examples"
)
func TestGrpcTcc(t *testing.T) {
tccGrpcType(t)
tccGrpcNormal(t)
tccGrpcNested(t)
tccGrpcRollback(t)
}
func tccGrpcType(t *testing.T) {
_, err := dtmgrpc.TccFromRequest(&dtmgrpc.BusiRequest{Info: &dtmgrpc.BranchInfo{}})
assert.Error(t, err)
dtmcli.Logf("expecting dtmgrpcserver error")
err = dtmgrpc.TccGlobalTransaction("-", "", func(tcc *dtmgrpc.TccGrpc) error { return nil })
assert.Error(t, err)
}
func tccGrpcNormal(t *testing.T) {
data := dtmcli.MustMarshal(&examples.TransReq{Amount: 30})
gid := "tccGrpcNormal"
err := dtmgrpc.TccGlobalTransaction(examples.DtmGrpcServer, gid, func(tcc *dtmgrpc.TccGrpc) error {
_, err := tcc.CallBranch(data, examples.BusiGrpc+"/examples.Busi/TransOut", examples.BusiGrpc+"/examples.Busi/TransOutConfirm", examples.BusiGrpc+"/examples.Busi/TransOutRevert")
assert.Nil(t, err)
_, err = tcc.CallBranch(data, examples.BusiGrpc+"/examples.Busi/TransIn", examples.BusiGrpc+"/examples.Busi/TransInConfirm", examples.BusiGrpc+"/examples.Busi/TransInRevert")
return err
})
assert.Nil(t, err)
}
func tccGrpcNested(t *testing.T) {
data := dtmcli.MustMarshal(&examples.TransReq{Amount: 30})
gid := "tccGrpcNested"
err := dtmgrpc.TccGlobalTransaction(examples.DtmGrpcServer, gid, func(tcc *dtmgrpc.TccGrpc) error {
_, err := tcc.CallBranch(data, examples.BusiGrpc+"/examples.Busi/TransOutTcc", examples.BusiGrpc+"/examples.Busi/TransOutConfirm", examples.BusiGrpc+"/examples.Busi/TransOutRevert")
assert.Nil(t, err)
_, err = tcc.CallBranch(data, examples.BusiGrpc+"/examples.Busi/TransInTccNested", examples.BusiGrpc+"/examples.Busi/TransInConfirm", examples.BusiGrpc+"/examples.Busi/TransInRevert")
return err
})
assert.Nil(t, err)
}
func tccGrpcRollback(t *testing.T) {
gid := "tccGrpcRollback"
data := dtmcli.MustMarshal(&examples.TransReq{Amount: 30, TransInResult: dtmcli.ResultFailure})
err := dtmgrpc.TccGlobalTransaction(examples.DtmGrpcServer, gid, func(tcc *dtmgrpc.TccGrpc) error {
_, err := tcc.CallBranch(data, examples.BusiGrpc+"/examples.Busi/TransOutTcc", examples.BusiGrpc+"/examples.Busi/TransOutConfirm", examples.BusiGrpc+"/examples.Busi/TransOutRevert")
assert.Nil(t, err)
examples.MainSwitch.TransOutRevertResult.SetOnce(dtmcli.ResultOngoing)
_, err = tcc.CallBranch(data, examples.BusiGrpc+"/examples.Busi/TransInTcc", examples.BusiGrpc+"/examples.Busi/TransInConfirm", examples.BusiGrpc+"/examples.Busi/TransInRevert")
return err
})
assert.Error(t, err)
WaitTransProcessed(gid)
assert.Equal(t, dtmcli.StatusAborting, getTransStatus(gid))
CronTransOnce()
assert.Equal(t, dtmcli.StatusFailed, getTransStatus(gid))
}