lazydocker/pkg/utils/once_writer_test.go
2022-11-09 21:21:35 +11:00

19 lines
368 B
Go

package utils
import (
"bytes"
"testing"
)
func TestOnceWriter(t *testing.T) {
innerWriter := bytes.NewBuffer(nil)
counter := 0
onceWriter := NewOnceWriter(innerWriter, func() {
counter += 1
})
_, _ = onceWriter.Write([]byte("hello"))
_, _ = onceWriter.Write([]byte("hello"))
if counter != 1 {
t.Errorf("expected counter to be 1, got %d", counter)
}
}