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The source of problem was the fact that multiple tests were creating their clusters (and some of them were setting global grpclog). If the test was running after some other test that created HttpServer (so accessed grpclog), this was reported as race. Tested with: go test ./clientv3/. -v "--run=(Example).*" --count=2 go test ./clientv3/. -v "--run=(Test).*" --count=2 go test ./integration/embed/. -v "--run=(Test).*" --count=2
79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
// Copyright 2016 The etcd Authors
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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_test
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import (
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"fmt"
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"go.etcd.io/etcd/v3/clientv3"
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"go.etcd.io/etcd/v3/integration"
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"go.etcd.io/etcd/v3/pkg/testutil"
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"google.golang.org/grpc/grpclog"
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"os"
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"strings"
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"testing"
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"time"
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)
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var (
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dialTimeout = 5 * time.Second
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requestTimeout = 10 * time.Second
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endpoints = []string{"localhost:2379", "localhost:22379", "localhost:32379"}
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)
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// TestMain sets up an etcd cluster if running the examples.
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func TestMain(m *testing.M) {
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useCluster, hasRunArg := false, false // default to running only Test*
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for _, arg := range os.Args {
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if strings.HasPrefix(arg, "-test.run=") {
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exp := strings.Split(arg, "=")[1]
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useCluster = strings.Contains(exp, "Example")
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hasRunArg = true
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break
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}
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}
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if !hasRunArg {
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// force only running Test* if no args given to avoid leak false
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// positives from having a long-running cluster for the examples.
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os.Args = append(os.Args, "-test.run=Test")
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}
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var v int
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if useCluster {
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// Redirecting outputs to Stderr, such that they not interleave with examples outputs.
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// Setting it once and before running any of the test such that it not data-races
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// between HTTP servers running in different tests.
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clientv3.SetLogger(grpclog.NewLoggerV2(os.Stderr, os.Stderr, os.Stderr))
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cfg := integration.ClusterConfig{Size: 3}
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clus := integration.NewClusterV3(nil, &cfg)
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endpoints = make([]string, 3)
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for i := range endpoints {
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endpoints[i] = clus.Client(i).Endpoints()[0]
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}
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v = m.Run()
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clus.Terminate(nil)
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if err := testutil.CheckAfterTest(time.Second); err != nil {
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fmt.Fprintf(os.Stderr, "%v", err)
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os.Exit(1)
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}
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} else {
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v = m.Run()
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}
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if v == 0 && testutil.CheckLeakedGoroutine() {
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os.Exit(1)
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}
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os.Exit(v)
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}
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