Implement acceptance tests for clusters provider

Signed-off-by: Nelo-T. Wallus <[email protected]>
Signed-off-by: Nelo-T. Wallus <[email protected]>

Author: ntnn

providers/clusters/acceptance_test.go

@@ -0,0 +1,81 @@
+/*
+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 clusters
+
+import (
+	"context"
+	"fmt"
+
+	"k8s.io/client-go/rest"
+
+	"sigs.k8s.io/controller-runtime/pkg/cluster"
+	"sigs.k8s.io/controller-runtime/pkg/envtest"
+
+	mcacceptance "sigs.k8s.io/multicluster-runtime/pkg/acceptance"
+	mcmanager "sigs.k8s.io/multicluster-runtime/pkg/manager"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Provider Clusters Acceptance", Ordered, func() {
+	var provider *Provider
+	var manager mcmanager.Manager
+	var generateCluster mcacceptance.ClusterGenerator
+
+	BeforeAll(func() {
+		By("Creating a new provider", func() {
+			provider = New()
+		})
+
+		By("Creating a new manager", func() {
+			var err error
+			manager, err = mcmanager.New(localCfg, provider, mcmanager.Options{})
+			Expect(err).NotTo(HaveOccurred(), "Failed to create manager")
+		})
+
+		By("Defining the ClusterGenerator", func() {
+			generateCluster = func(ctx context.Context, errHandler mcacceptance.ErrorHandler) (string, *rest.Config, error) {
+				testenv := &envtest.Environment{}
+				cfg, err := testenv.Start()
+				if err != nil {
+					return "", nil, fmt.Errorf("failed to start envtest: %w", err)
+				}
+
+				cl, err := cluster.New(cfg)
+				if err != nil {
+					return "", nil, fmt.Errorf("failed to create cluster: %w", err)
+				}
+
+				name := mcacceptance.RandomClusterName()
+				if err := provider.Add(ctx, name, cl, manager); err != nil {
+					return "", nil, fmt.Errorf("failed to add cluster to provider: %w", err)
+				}
+				go func() {
+					<-ctx.Done()
+					errHandler(testenv.Stop())
+				}()
+				return name, cfg, nil
+			}
+		})
+	})
+
+	It("Should run the acceptance tests", func() {
+		mcacceptance.Provider(GinkgoTB(), generateCluster, manager)
+	})
+
+})