Struct SyncBuffer

task_test.go:383–386

SyncBuffer is a threadsafe buffer for testing. Some times replace stdout/stderr with a buffer to capture output. stdout and stderr are threadsafe, but a regular bytes.Buffer is not. Using this instead helps prevents race conditions with output.

// stdout and stderr are threadsafe, but a regular bytes.Buffer is not.
// Using this instead helps prevents race conditions with output.
type SyncBuffer struct {
	buf bytes.Buffer
	mu  sync.Mutex
}

func (sb *SyncBuffer) Write(p []byte) (n int, err error) {
	sb.mu.Lock()