[#193] pkg/container: Increase test coverage

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

pkg/container/container_test.go

@@ -0,0 +1,68 @@
+package container_test
+
+import (
+	"strconv"
+	"testing"
+
+	"github.com/google/uuid"
+	"github.com/nspcc-dev/neofs-api-go/pkg"
+	"github.com/nspcc-dev/neofs-api-go/pkg/acl"
+	"github.com/nspcc-dev/neofs-api-go/pkg/container"
+	"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
+	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
+	"github.com/nspcc-dev/neofs-crypto/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewContainer(t *testing.T) {
+	c := container.New()
+
+	nonce, err := uuid.New().MarshalBinary()
+	require.NoError(t, err)
+
+	wallet, err := owner.NEO3WalletFromPublicKey(&test.DecodeKey(1).PublicKey)
+	require.NoError(t, err)
+
+	ownerID := owner.NewIDFromNeo3Wallet(wallet)
+	policy := generatePlacementPolicy()
+
+	c.SetBasicACL(acl.PublicBasicRule)
+	c.SetAttributes(generateAttributes(5))
+	c.SetPlacementPolicy(policy)
+	c.SetNonce(nonce)
+	c.SetOwnerID(ownerID)
+	c.SetVersion(pkg.SDKVersion())
+
+	v2 := c.ToV2()
+	newContainer := container.NewContainerFromV2(v2)
+
+	require.EqualValues(t, newContainer.PlacementPolicy(), policy)
+	require.EqualValues(t, newContainer.Attributes(), generateAttributes(5))
+	require.EqualValues(t, newContainer.BasicACL(), acl.PublicBasicRule)
+	require.EqualValues(t, newContainer.Nonce(), nonce)
+	require.EqualValues(t, newContainer.OwnerID(), ownerID)
+	require.EqualValues(t, newContainer.Version(), pkg.SDKVersion())
+}
+
+func generateAttributes(n int) container.Attributes {
+	attrs := make(container.Attributes, 0, n)
+
+	for i := 0; i < n; i++ {
+		strN := strconv.Itoa(n)
+
+		attr := container.NewAttribute()
+		attr.SetKey("key" + strN)
+		attr.SetValue("val" + strN)
+
+		attrs = append(attrs, attr)
+	}
+
+	return attrs
+}
+
+func generatePlacementPolicy() *netmap.PlacementPolicy {
+	p := new(netmap.PlacementPolicy)
+	p.SetContainerBackupFactor(10)
+
+	return p
+}