[#225] apemanager: Move apemanager to ape package

* Update go.mod;
* Fix packages;
* Fix client's `apemanager` methods.

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

ape/chain_target_test.go

@@ -0,0 +1,65 @@
+package ape_test
+
+import (
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/ape"
+	"github.com/stretchr/testify/require"
+
+	apeV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/ape"
+)
+
+var (
+	m = map[ape.TargetType]apeV2.TargetType{
+		ape.TargetTypeUndefined: apeV2.TargetTypeUndefined,
+		ape.TargetTypeNamespace: apeV2.TargetTypeNamespace,
+		ape.TargetTypeContainer: apeV2.TargetTypeContainer,
+		ape.TargetTypeUser:      apeV2.TargetTypeUser,
+		ape.TargetTypeGroup:     apeV2.TargetTypeGroup,
+	}
+)
+
+func TestTargetType(t *testing.T) {
+	for typesdk, typev2 := range m {
+		t.Run("from sdk to v2 "+typev2.String(), func(t *testing.T) {
+			v2 := typesdk.ToV2()
+			require.Equal(t, v2, typev2)
+		})
+
+		t.Run("from v2 to sdk "+typev2.String(), func(t *testing.T) {
+			var typ ape.TargetType
+			typ.FromV2(typev2)
+			require.Equal(t, typesdk, typ)
+		})
+	}
+}
+
+func TestChainTarget(t *testing.T) {
+	var (
+		typ  = ape.TargetTypeNamespace
+		name = "namespaceXXYYZZ"
+	)
+
+	t.Run("from sdk to v2", func(t *testing.T) {
+		ct := ape.ChainTarget{
+			TargetType: typ,
+			Name:       name,
+		}
+
+		v2 := ct.ToV2()
+		require.Equal(t, m[typ], v2.GetTargetType())
+		require.Equal(t, name, v2.GetName())
+	})
+
+	t.Run("from v2 to sdk", func(t *testing.T) {
+		v2 := &apeV2.ChainTarget{}
+		v2.SetTargetType(m[typ])
+		v2.SetName(name)
+
+		var ct ape.ChainTarget
+		ct.FromV2(v2)
+
+		require.Equal(t, typ, ct.TargetType)
+		require.Equal(t, name, ct.Name)
+	})
+}