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[v14.0.5]: Backport upstream 13856 - reshard state check fix (#321)
* Backport upstream 13856 - reshard state check fix * revert comment change * fix null check
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| /* | ||
| Copyright 2023 The Vitess 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 utils | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "go.uber.org/goleak" | ||
| ) | ||
|
|
||
| // LeakCheckContext returns a Context that will be automatically cancelled at the end | ||
| // of this test. If the test has finished successfully, it will be checked for goroutine | ||
| // leaks after context cancellation. | ||
| func LeakCheckContext(t testing.TB) context.Context { | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
| t.Cleanup(func() { | ||
| cancel() | ||
| EnsureNoLeaks(t) | ||
| }) | ||
| return ctx | ||
| } | ||
|
|
||
| // LeakCheckContextTimeout behaves like LeakCheckContext but the returned Context will | ||
| // be cancelled after `timeout`, or after the test finishes, whichever happens first. | ||
| func LeakCheckContextTimeout(t testing.TB, timeout time.Duration) context.Context { | ||
| ctx, cancel := context.WithTimeout(context.Background(), timeout) | ||
| t.Cleanup(func() { | ||
| cancel() | ||
| EnsureNoLeaks(t) | ||
| }) | ||
| return ctx | ||
| } | ||
|
|
||
| // EnsureNoLeaks checks for goroutine and socket leaks and fails the test if any are found. | ||
| func EnsureNoLeaks(t testing.TB) { | ||
| if t.Failed() { | ||
| return | ||
| } | ||
| if err := ensureNoLeaks(); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| } | ||
|
|
||
| // GetLeaks checks for goroutine and socket leaks and returns an error if any are found. | ||
| // One use case is in TestMain()s to ensure that all tests are cleaned up. | ||
| func GetLeaks() error { | ||
| return ensureNoLeaks() | ||
| } | ||
|
|
||
| func ensureNoLeaks() error { | ||
| if err := ensureNoGoroutines(); err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func ensureNoGoroutines() error { | ||
| var ignored = []goleak.Option{ | ||
| goleak.IgnoreTopFunction("github.com/golang/glog.(*fileSink).flushDaemon"), | ||
| goleak.IgnoreTopFunction("github.com/golang/glog.(*loggingT).flushDaemon"), | ||
| goleak.IgnoreTopFunction("vitess.io/vitess/go/vt/dbconfigs.init.0.func1"), | ||
| goleak.IgnoreTopFunction("vitess.io/vitess/go/vt/vtgate.resetAggregators"), | ||
| goleak.IgnoreTopFunction("vitess.io/vitess/go/vt/vtgate.processQueryInfo"), | ||
| goleak.IgnoreTopFunction("github.com/patrickmn/go-cache.(*janitor).Run"), | ||
| goleak.IgnoreTopFunction("vitess.io/vitess/go/vt/logutil.(*ThrottledLogger).log.func1"), | ||
| goleak.IgnoreTopFunction("vitess.io/vitess/go/vt/vttablet/tabletserver/throttle.initThrottleTicker.func1.1"), | ||
| goleak.IgnoreTopFunction("vitess.io/vitess/go/vt/vttablet/tabletserver/throttle.NewBackgroundClient.initThrottleTicker.func1.1"), | ||
| goleak.IgnoreTopFunction("testing.tRunner.func1"), | ||
| } | ||
|
|
||
| var err error | ||
| for i := 0; i < 5; i++ { | ||
| err = goleak.Find(ignored...) | ||
| if err == nil { | ||
| return nil | ||
| } | ||
| time.Sleep(100 * time.Millisecond) | ||
| } | ||
| return err | ||
| } |
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