2016-05-13 06:50:58 +03:00
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// Copyright 2016 The etcd Authors
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2016-02-04 03:46:18 +03:00
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package clientv3
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import (
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"testing"
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"time"
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2016-07-16 02:46:02 +03:00
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2019-05-29 00:59:02 +03:00
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"go.etcd.io/etcd/pkg/testutil"
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2016-02-04 03:46:18 +03:00
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)
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func TestTxnPanics(t *testing.T) {
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2016-07-16 02:46:02 +03:00
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defer testutil.AfterTest(t)
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2016-06-03 10:16:52 +03:00
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kv := &kv{}
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2016-02-04 03:46:18 +03:00
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errc := make(chan string)
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df := func() {
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if s := recover(); s != nil {
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errc <- s.(string)
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}
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}
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2016-03-23 19:40:16 +03:00
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cmp := Compare(CreateRevision("foo"), "=", 0)
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2016-02-11 01:44:35 +03:00
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op := OpPut("foo", "bar")
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2016-02-04 03:46:18 +03:00
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tests := []struct {
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f func()
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err string
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}{
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{
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f: func() {
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defer df()
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2016-02-10 04:33:30 +03:00
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kv.Txn(nil).If(cmp).If(cmp)
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2016-02-04 03:46:18 +03:00
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},
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err: "cannot call If twice!",
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},
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{
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f: func() {
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defer df()
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2016-02-10 04:33:30 +03:00
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kv.Txn(nil).Then(op).If(cmp)
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2016-02-04 03:46:18 +03:00
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},
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err: "cannot call If after Then!",
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},
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{
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f: func() {
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defer df()
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2016-02-10 04:33:30 +03:00
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kv.Txn(nil).Else(op).If(cmp)
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2016-02-04 03:46:18 +03:00
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},
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err: "cannot call If after Else!",
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},
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{
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f: func() {
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defer df()
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2016-02-10 04:33:30 +03:00
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kv.Txn(nil).Then(op).Then(op)
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2016-02-04 03:46:18 +03:00
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},
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err: "cannot call Then twice!",
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},
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{
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f: func() {
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defer df()
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2016-02-10 04:33:30 +03:00
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kv.Txn(nil).Else(op).Then(op)
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2016-02-04 03:46:18 +03:00
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},
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err: "cannot call Then after Else!",
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},
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{
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f: func() {
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defer df()
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2016-02-10 04:33:30 +03:00
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kv.Txn(nil).Else(op).Else(op)
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2016-02-04 03:46:18 +03:00
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},
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err: "cannot call Else twice!",
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},
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}
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for i, tt := range tests {
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go tt.f()
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select {
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case err := <-errc:
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if err != tt.err {
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t.Errorf("#%d: got %s, wanted %s", i, err, tt.err)
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}
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case <-time.After(time.Second):
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t.Errorf("#%d: did not panic, wanted panic %s", i, tt.err)
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}
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}
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}
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