Revision dbde4f2d5e7ff5a4dfe3fe94bcfbe65679b82578 authored by Chao Chen on 04 May 2021, 01:21:33 UTC, committed by Chao Chen on 04 May 2021, 17:37:12 UTC
1 parent 15715dc
txn_test.go
// Copyright 2016 The etcd Authors
//
// 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 clientv3
import (
"testing"
"time"
"go.etcd.io/etcd/pkg/testutil"
)
func TestTxnPanics(t *testing.T) {
defer testutil.AfterTest(t)
kv := &kv{}
errc := make(chan string)
df := func() {
if s := recover(); s != nil {
errc <- s.(string)
}
}
cmp := Compare(CreateRevision("foo"), "=", 0)
op := OpPut("foo", "bar")
tests := []struct {
f func()
err string
}{
{
f: func() {
defer df()
kv.Txn(nil).If(cmp).If(cmp)
},
err: "cannot call If twice!",
},
{
f: func() {
defer df()
kv.Txn(nil).Then(op).If(cmp)
},
err: "cannot call If after Then!",
},
{
f: func() {
defer df()
kv.Txn(nil).Else(op).If(cmp)
},
err: "cannot call If after Else!",
},
{
f: func() {
defer df()
kv.Txn(nil).Then(op).Then(op)
},
err: "cannot call Then twice!",
},
{
f: func() {
defer df()
kv.Txn(nil).Else(op).Then(op)
},
err: "cannot call Then after Else!",
},
{
f: func() {
defer df()
kv.Txn(nil).Else(op).Else(op)
},
err: "cannot call Else twice!",
},
}
for i, tt := range tests {
go tt.f()
select {
case err := <-errc:
if err != tt.err {
t.Errorf("#%d: got %s, wanted %s", i, err, tt.err)
}
case <-time.After(time.Second):
t.Errorf("#%d: did not panic, wanted panic %s", i, tt.err)
}
}
}
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