package pilorama import ( "math/rand" "testing" "github.com/stretchr/testify/require" ) func TestMeta_Bytes(t *testing.T) { t.Run("empty", func(t *testing.T) { var m Meta require.NoError(t, m.FromBytes(nil)) require.True(t, len(m.Items) == 0) require.Equal(t, uint64(0), m.Time) require.Equal(t, []byte{0, 0}, m.Bytes()) }) t.Run("empty attribute value", func(t *testing.T) { expected := Meta{ Time: 123, Items: []KeyValue{ {"abc", []byte{1, 2, 3}}, {AttributeFilename, []byte{}}, }} data := expected.Bytes() var actual Meta require.NoError(t, actual.FromBytes(data)) require.Equal(t, expected, actual) }) t.Run("filled", func(t *testing.T) { expected := Meta{ Time: 123, Items: []KeyValue{ {"abc", []byte{1, 2, 3}}, {"xyz", []byte{5, 6, 7, 8}}, }} data := expected.Bytes() var actual Meta require.NoError(t, actual.FromBytes(data)) require.Equal(t, expected, actual) t.Run("error", func(t *testing.T) { require.Error(t, new(Meta).FromBytes(data[:len(data)/2])) }) }) } func TestMeta_GetAttr(t *testing.T) { attr := [][]byte{ make([]byte, 5), make([]byte, 10), } for i := range attr { rand.Read(attr[i]) } m := Meta{Items: []KeyValue{{"abc", attr[0]}, {"xyz", attr[1]}}} require.Equal(t, attr[0], m.GetAttr("abc")) require.Equal(t, attr[1], m.GetAttr("xyz")) require.Nil(t, m.GetAttr("a")) require.Nil(t, m.GetAttr("xyza")) require.Nil(t, m.GetAttr("")) }