[#32] Add tests for basic ACL helper

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

pkg/services/object/acl/basic_helper_test.go

@@ -0,0 +1,70 @@
+package acl
+
+import (
+	"testing"
+
+	"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
+	"github.com/stretchr/testify/require"
+)
+
+// from neofs-api basic ACL specification
+const (
+	privateContainer          uint32 = 0x1C8C8CCC
+	publicContainerWithSticky uint32 = 0x3FFFFFFF
+	readonlyContainer         uint32 = 0x1FFFCCFF
+)
+
+var (
+	allOperations = []eacl.Operation{
+		eacl.OperationGet, eacl.OperationPut, eacl.OperationDelete,
+		eacl.OperationHead, eacl.OperationSearch, eacl.OperationRange,
+		eacl.OperationRangeHash,
+	}
+)
+
+func TestDefaultBasicACLs(t *testing.T) {
+	t.Run("private", func(t *testing.T) {
+		r := basicACLHelper(privateContainer)
+
+		require.False(t, r.Sticky())
+
+		for _, op := range allOperations {
+			require.True(t, r.UserAllowed(op))
+			require.False(t, r.OthersAllowed(op))
+			if op == eacl.OperationDelete || op == eacl.OperationRange {
+				require.False(t, r.SystemAllowed(op))
+			} else {
+				require.True(t, r.SystemAllowed(op))
+			}
+		}
+	})
+
+	t.Run("public with sticky", func(t *testing.T) {
+		r := basicACLHelper(publicContainerWithSticky)
+
+		require.True(t, r.Sticky())
+
+		for _, op := range allOperations {
+			require.True(t, r.UserAllowed(op))
+			require.True(t, r.OthersAllowed(op))
+			require.True(t, r.SystemAllowed(op))
+		}
+	})
+
+	t.Run("read only", func(t *testing.T) {
+		r := basicACLHelper(readonlyContainer)
+
+		require.False(t, r.Sticky())
+
+		for _, op := range allOperations {
+			require.True(t, r.UserAllowed(op))
+			require.True(t, r.SystemAllowed(op))
+
+			if op == eacl.OperationDelete || op == eacl.OperationPut {
+				require.False(t, r.OthersAllowed(op))
+			} else {
+				require.True(t, r.OthersAllowed(op))
+			}
+		}
+	})
+}