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capture(ticdc): fix the problem that openapi is blocked when pd is ab…
…normal (pingcap#4788) close pingcap#4778
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| // Copyright 2022 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package capture | ||
|
|
||
| import ( | ||
| "context" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/pingcap/tiflow/pkg/etcd" | ||
| "github.com/stretchr/testify/require" | ||
| "go.etcd.io/etcd/clientv3" | ||
| ) | ||
|
|
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| func TestReset(t *testing.T) { | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
|
|
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| // init etcd mocker | ||
| clientURL, etcdServer, err := etcd.SetupEmbedEtcd(t.TempDir()) | ||
| require.Nil(t, err) | ||
| etcdCli, err := clientv3.New(clientv3.Config{ | ||
| Endpoints: []string{clientURL.String()}, | ||
| Context: ctx, | ||
| DialTimeout: 3 * time.Second, | ||
| }) | ||
| require.NoError(t, err) | ||
| client := etcd.NewCDCEtcdClient(ctx, etcdCli) | ||
| // Close the client before the test function exits to prevent possible | ||
| // ctx leaks. | ||
| // Ref: https://github.com/grpc/grpc-go/blob/master/stream.go#L229 | ||
| defer client.Close() | ||
|
|
||
| cp := NewCapture4Test() | ||
| cp.etcdClient = &client | ||
|
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| // simulate network isolation scenarios | ||
| etcdServer.Close() | ||
| wg := sync.WaitGroup{} | ||
| wg.Add(1) | ||
| go func() { | ||
| err = cp.reset(ctx) | ||
| require.Regexp(t, ".*context canceled.*", err) | ||
| wg.Done() | ||
| }() | ||
| time.Sleep(100 * time.Millisecond) | ||
| info := cp.Info() | ||
| require.NotNil(t, info) | ||
| cancel() | ||
| wg.Wait() | ||
| } |
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