ooni-probe-cli/internal/model/mocks/writer_test.go

26 lines
442 B
Go
Raw Permalink Normal View History

package mocks
import (
"errors"
"testing"
)
func TestWriter(t *testing.T) {
t.Run("Write", func(t *testing.T) {
expected := errors.New("mocked error")
r := &Writer{
MockWrite: func(b []byte) (int, error) {
return 0, expected
},
}
b := make([]byte, 128)
count, err := r.Write(b)
if !errors.Is(err, expected) {
t.Fatal("unexpected error", err)
}
if count != 0 {
t.Fatal("unexpected count", count)
}
})
}