diff --git a/controllers/agentpooladopt_controller_test.go b/controllers/agentpooladopt_controller_test.go
new file mode 100644
index 00000000000..1926d081fe2
--- /dev/null
+++ b/controllers/agentpooladopt_controller_test.go
@@ -0,0 +1,98 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controllers
+
+import (
+	"context"
+	"testing"
+
+	asocontainerservicev1 "github.com/Azure/azure-service-operator/v2/api/containerservice/v1api20231001"
+	"github.com/Azure/azure-service-operator/v2/pkg/genruntime"
+	. "github.com/onsi/gomega"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/utils/ptr"
+	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
+	expv1 "sigs.k8s.io/cluster-api/exp/api/v1beta1"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client/fake"
+
+	infrav1alpha "sigs.k8s.io/cluster-api-provider-azure/api/v1alpha1"
+)
+
+func TestAgentPoolAdoptController(t *testing.T) {
+	g := NewWithT(t)
+	req := ctrl.Request{NamespacedName: types.NamespacedName{Name: "fake-agent-pool", Namespace: "fake-ns"}}
+	ctx := context.Background()
+	scheme, err := newScheme()
+	g.Expect(err).ToNot(HaveOccurred())
+
+	agentPool := &asocontainerservicev1.ManagedClustersAgentPool{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "fake-agent-pool",
+			Namespace: "fake-ns",
+			Annotations: map[string]string{
+				adoptAnnotation: adoptAnnotationValue,
+			},
+		},
+		Spec: asocontainerservicev1.ManagedClustersAgentPool_Spec{
+			Count: ptr.To(1),
+			Owner: &genruntime.KnownResourceReference{
+				Name: "fake-managed-cluster",
+			},
+		},
+	}
+	mc := &asocontainerservicev1.ManagedCluster{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "fake-managed-cluster",
+			Namespace: "fake-ns",
+			OwnerReferences: []metav1.OwnerReference{
+				{
+					Kind:       infrav1alpha.AzureASOManagedControlPlaneKind,
+					APIVersion: infrav1alpha.GroupVersion.Identifier(),
+					Name:       "fake-managed-cluster",
+				},
+			},
+		},
+	}
+	asoManagedControlPlane := &infrav1alpha.AzureASOManagedControlPlane{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "fake-managed-cluster",
+			Namespace: "fake-ns",
+			Labels: map[string]string{
+				clusterv1.ClusterNameLabel: "cluster-name",
+			},
+		},
+	}
+
+	err = asocontainerservicev1.AddToScheme(scheme)
+	g.Expect(err).ToNot(HaveOccurred())
+	err = infrav1alpha.AddToScheme(scheme)
+	g.Expect(err).ToNot(HaveOccurred())
+	client := fake.NewClientBuilder().WithScheme(scheme).WithObjects(agentPool, mc, asoManagedControlPlane).WithStatusSubresource(mc, agentPool, asoManagedControlPlane).Build()
+	aprec := &AgentPoolAdoptReconciler{
+		Client: client,
+	}
+	_, err = aprec.Reconcile(ctx, req)
+	g.Expect(err).ToNot(HaveOccurred())
+	mp := &expv1.MachinePool{}
+	err = aprec.Get(ctx, types.NamespacedName{Name: agentPool.Name, Namespace: "fake-ns"}, mp)
+	g.Expect(err).ToNot(HaveOccurred())
+	asoMP := &infrav1alpha.AzureASOManagedMachinePool{}
+	err = aprec.Get(ctx, types.NamespacedName{Name: agentPool.Name, Namespace: "fake-ns"}, asoMP)
+	g.Expect(err).ToNot(HaveOccurred())
+}
diff --git a/controllers/azurejson_machinepool_controller_test.go b/controllers/azurejson_machinepool_controller_test.go
index 154941429fb..4fa83cfea5f 100644
--- a/controllers/azurejson_machinepool_controller_test.go
+++ b/controllers/azurejson_machinepool_controller_test.go
@@ -382,7 +382,7 @@ func TestAzureJSONPoolReconcilerUserAssignedIdentities(t *testing.T) {
 		CredentialCache: azure.NewCredentialCache(),
 	}
 	id := "azure:///subscriptions/123/resourceGroups/test-rg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/fake-provider-id"
-	getClient = func(auth azure.Authorizer) (identities.Client, error) {
+	getClient = func(_ azure.Authorizer) (identities.Client, error) {
 		mockClient := mock_identities.NewMockClient(ctrlr)
 		mockClient.EXPECT().GetClientID(gomock.Any(), gomock.Any()).Return(id, nil)
 		return mockClient, nil