[#58] eacl: move package from neofs-api-go

Also, remove deprecated methods.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

eacl/filter_test.go

@@ -0,0 +1,88 @@
+package eacl
+
+import (
+	"testing"
+
+	"github.com/nspcc-dev/neofs-api-go/v2/acl"
+	v2acl "github.com/nspcc-dev/neofs-api-go/v2/acl"
+	"github.com/stretchr/testify/require"
+)
+
+func newObjectFilter(match Match, key, val string) *Filter {
+	return &Filter{
+		from: HeaderFromObject,
+		key: filterKey{
+			str: key,
+		},
+		matcher: match,
+		value:   staticStringer(val),
+	}
+}
+
+func TestFilter(t *testing.T) {
+	filter := newObjectFilter(MatchStringEqual, "some name", "200")
+
+	v2 := filter.ToV2()
+	require.NotNil(t, v2)
+	require.Equal(t, v2acl.HeaderTypeObject, v2.GetHeaderType())
+	require.EqualValues(t, v2acl.MatchTypeStringEqual, v2.GetMatchType())
+	require.Equal(t, filter.Key(), v2.GetKey())
+	require.Equal(t, filter.Value(), v2.GetValue())
+
+	newFilter := NewFilterFromV2(v2)
+	require.Equal(t, filter, newFilter)
+
+	t.Run("from nil v2 filter", func(t *testing.T) {
+		require.Equal(t, new(Filter), NewFilterFromV2(nil))
+	})
+}
+
+func TestFilterEncoding(t *testing.T) {
+	f := newObjectFilter(MatchStringEqual, "key", "value")
+
+	t.Run("binary", func(t *testing.T) {
+		data, err := f.Marshal()
+		require.NoError(t, err)
+
+		f2 := NewFilter()
+		require.NoError(t, f2.Unmarshal(data))
+
+		require.Equal(t, f, f2)
+	})
+
+	t.Run("json", func(t *testing.T) {
+		data, err := f.MarshalJSON()
+		require.NoError(t, err)
+
+		d2 := NewFilter()
+		require.NoError(t, d2.UnmarshalJSON(data))
+
+		require.Equal(t, f, d2)
+	})
+}
+
+func TestFilter_ToV2(t *testing.T) {
+	t.Run("nil", func(t *testing.T) {
+		var x *Filter
+
+		require.Nil(t, x.ToV2())
+	})
+
+	t.Run("default values", func(t *testing.T) {
+		filter := NewFilter()
+
+		// check initial values
+		require.Empty(t, filter.Key())
+		require.Empty(t, filter.Value())
+		require.Equal(t, HeaderTypeUnknown, filter.From())
+		require.Equal(t, MatchUnknown, filter.Matcher())
+
+		// convert to v2 message
+		filterV2 := filter.ToV2()
+
+		require.Empty(t, filterV2.GetKey())
+		require.Empty(t, filterV2.GetValue())
+		require.Equal(t, acl.HeaderTypeUnknown, filterV2.GetHeaderType())
+		require.Equal(t, acl.MatchTypeUnknown, filterV2.GetMatchType())
+	})
+}