reservedipv6: add mock Manager and actioner tests

Makefile

@@ -238,3 +238,4 @@ mockgen:
 	GOOS=linux mockgen -source=internal/netutil/tcp_sniffer_helper_linux.go -package=mocks -destination=internal/netutil/internal/mocks/dependent_functions_mock.go
 	mockgen -source=internal/metadata/updater/updater.go -package=updater -destination=internal/metadata/updater/updater_mocks.go
 	mockgen -destination=internal/metadata/updater/readcloser_mocks.go -package=updater -build_flags=--mod=mod io ReadCloser
+	mockgen -typed -source=internal/reservedipv6/reserved_ipv6.go -package=reservedipv6 -destination=internal/reservedipv6/mocks.go

internal/metadata/actioner/reserved_ipv6_actioner_test.go

@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: Apache-2.0
+
+package actioner
+
+import (
+	"testing"
+
+	"github.com/digitalocean/droplet-agent/internal/metadata"
+	"github.com/digitalocean/droplet-agent/internal/reservedipv6"
+	"go.uber.org/mock/gomock"
+)
+
+func TestReservedIPv6Actioner_Do(t *testing.T) {
+	t.Run("assign", func(t *testing.T) {
+		// Arrange
+		ctrl := gomock.NewController(t)
+		defer ctrl.Finish()
+
+		rip6Manager := reservedipv6.NewMockManager(ctrl)
+		actioner := NewReservedIPv6Actioner(rip6Manager)
+
+		rip6Manager.EXPECT().Assign("2001:4860:4860::8888").Return(nil)
+
+		// Act
+		actioner.Do(&metadata.Metadata{
+			ReservedIP: &metadata.ReservedIP{
+				IPv6: &metadata.ReservedIPv6{
+					Active:    true,
+					IPAddress: "2001:4860:4860::8888",
+				},
+			},
+		})
+	})
+
+	t.Run("unassign", func(t *testing.T) {
+		// Arrange
+		ctrl := gomock.NewController(t)
+		defer ctrl.Finish()
+
+		rip6Manager := reservedipv6.NewMockManager(ctrl)
+		actioner := NewReservedIPv6Actioner(rip6Manager)
+
+		rip6Manager.EXPECT().Unassign().Return(nil)
+
+		// Act
+		actioner.Do(&metadata.Metadata{
+			ReservedIP: &metadata.ReservedIP{
+				IPv6: &metadata.ReservedIPv6{
+					Active: false,
+				},
+			},
+		})
+	})
+}

internal/reservedipv6/reserved_ipv6.go

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0
+
 package reservedipv6
 
 import (

internal/reservedipv6/reserved_ipv6_test.go

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0
+
 package reservedipv6
 
 var _ Manager = (*mgr)(nil)