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client/integration: test v2 client one shot operations
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Anthony Romano
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Jul 7, 2016
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| // 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. | ||
|
|
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| package integration | ||
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| import ( | ||
| "fmt" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "os" | ||
| "strings" | ||
| "sync/atomic" | ||
| "testing" | ||
|
|
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| "golang.org/x/net/context" | ||
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| "github.com/coreos/etcd/client" | ||
| "github.com/coreos/etcd/integration" | ||
| "github.com/coreos/etcd/pkg/testutil" | ||
| ) | ||
|
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| // TestV2NoRetryEOF tests destructive api calls won't retry on a disconnection. | ||
| func TestV2NoRetryEOF(t *testing.T) { | ||
| defer testutil.AfterTest(t) | ||
| // generate an EOF response; specify address so appears first in sorted ep list | ||
| lEOF := integration.NewListenerWithAddr(t, fmt.Sprintf("eof:123.%d.sock", os.Getpid())) | ||
| defer lEOF.Close() | ||
| tries := uint32(0) | ||
| go func() { | ||
| for { | ||
| conn, err := lEOF.Accept() | ||
| if err != nil { | ||
| return | ||
| } | ||
| atomic.AddUint32(&tries, 1) | ||
| conn.Close() | ||
| } | ||
| }() | ||
| eofURL := integration.UrlScheme + "://" + lEOF.Addr().String() | ||
| cli := integration.MustNewHTTPClient(t, []string{eofURL, eofURL}, nil) | ||
| kapi := client.NewKeysAPI(cli) | ||
| for i, f := range noRetryList(kapi) { | ||
| startTries := atomic.LoadUint32(&tries) | ||
| if err := f(); err == nil { | ||
| t.Errorf("#%d: expected EOF error, got nil", i) | ||
| } | ||
| endTries := atomic.LoadUint32(&tries) | ||
| if startTries+1 != endTries { | ||
| t.Errorf("#%d: expected 1 try, got %d", i, endTries-startTries) | ||
| } | ||
| } | ||
| } | ||
|
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| // TestV2NoRetryNoLeader tests destructive api calls won't retry if given an error code. | ||
| func TestV2NoRetryNoLeader(t *testing.T) { | ||
| defer testutil.AfterTest(t) | ||
|
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| lHttp := integration.NewListenerWithAddr(t, fmt.Sprintf("errHttp:123.%d.sock", os.Getpid())) | ||
| eh := &errHandler{errCode: http.StatusServiceUnavailable} | ||
| srv := httptest.NewUnstartedServer(eh) | ||
| defer lHttp.Close() | ||
| defer srv.Close() | ||
| srv.Listener = lHttp | ||
| go srv.Start() | ||
| lHttpURL := integration.UrlScheme + "://" + lHttp.Addr().String() | ||
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| cli := integration.MustNewHTTPClient(t, []string{lHttpURL, lHttpURL}, nil) | ||
| kapi := client.NewKeysAPI(cli) | ||
| // test error code | ||
| for i, f := range noRetryList(kapi) { | ||
| reqs := eh.reqs | ||
| if err := f(); err == nil || !strings.Contains(err.Error(), "no leader") { | ||
| t.Errorf("#%d: expected \"no leader\", got %v", i, err) | ||
| } | ||
| if eh.reqs != reqs+1 { | ||
| t.Errorf("#%d: expected 1 request, got %d", i, eh.reqs-reqs) | ||
| } | ||
| } | ||
| } | ||
|
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| // TestV2RetryRefuse tests destructive api calls will retry if a connection is refused. | ||
| func TestV2RetryRefuse(t *testing.T) { | ||
| defer testutil.AfterTest(t) | ||
| cl := integration.NewCluster(t, 1) | ||
| cl.Launch(t) | ||
| defer cl.Terminate(t) | ||
| // test connection refused; expect no error failover | ||
| cli := integration.MustNewHTTPClient(t, []string{integration.UrlScheme + "://refuseconn:123", cl.URL(0)}, nil) | ||
| kapi := client.NewKeysAPI(cli) | ||
| if _, err := kapi.Set(context.Background(), "/delkey", "def", nil); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| for i, f := range noRetryList(kapi) { | ||
| if err := f(); err != nil { | ||
| t.Errorf("#%d: unexpected retry failure (%v)", i, err) | ||
| } | ||
| } | ||
| } | ||
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| type errHandler struct { | ||
| errCode int | ||
| reqs int | ||
| } | ||
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| func (eh *errHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { | ||
| req.Body.Close() | ||
| eh.reqs++ | ||
| w.WriteHeader(eh.errCode) | ||
| } | ||
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| func noRetryList(kapi client.KeysAPI) []func() error { | ||
| return []func() error{ | ||
| func() error { | ||
| opts := &client.SetOptions{PrevExist: client.PrevNoExist} | ||
| _, err := kapi.Set(context.Background(), "/setkey", "bar", opts) | ||
| return err | ||
| }, | ||
| func() error { | ||
| _, err := kapi.Delete(context.Background(), "/delkey", nil) | ||
| return err | ||
| }, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| // Copyright 2013 The Go Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
|
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| package integration | ||
|
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| import ( | ||
| "os" | ||
| "testing" | ||
|
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| "github.com/coreos/etcd/pkg/testutil" | ||
| ) | ||
|
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| func TestMain(m *testing.M) { | ||
| v := m.Run() | ||
| if v == 0 && testutil.CheckLeakedGoroutine() { | ||
| os.Exit(1) | ||
| } | ||
| os.Exit(v) | ||
| } |
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