func TestMain(m *testing.M) {
flag.Parse()
exitCode := m.Run()
if exitCode == 0 {
// Only do extra checks if the tests were successful.
if err := goroutines.IdentifyLeaks(nil); err != nil {
fmt.Fprintf(os.Stderr, "Found goroutine leaks on successful test run: %v", err)
exitCode = 1
}
if err := checkAllChannels(); err != nil {
fmt.Fprintf(os.Stderr, "Found unclosed channels on successful test run: %v", err)
exitCode = 1
}
}
os.Exit(exitCode)
}
func (ts *TestServer) verifyNoGoroutinesLeaked() {
if _leakedGoroutine.Load() == 1 {
ts.Log("Skipping check for leaked goroutines because of a previous leak.")
return
}
err := goroutines.IdentifyLeaks(ts.verifyOpts)
if err == nil {
// No leaks, nothing to do.
return
}
if isFirstLeak := _leakedGoroutine.CAS(0, 1); !isFirstLeak {
ts.Log("Skipping check for leaked goroutines because of a previous leak.")
return
}
if ts.Failed() {
// If we've already failed this test, don't pollute the test output with
// more failures.
return
}
ts.Error(err.Error())
}