Try to arrange the CI

.github/workflows/test.yml

@@ -9,6 +9,8 @@ jobs:
 
   build:
     runs-on: ubuntu-latest
+    env:
+      K8S_VERSION: "1.28.0" # Updated to an available version
 
     steps:
     - uses: actions/checkout@v6
@@ -27,11 +29,15 @@ jobs:
 
     - name: Setup KUBEBUILDER_ASSETS
       run: |
-        export K8S_VERSION=1.20.2
-        curl -sSLo envtest-bins.tar.gz "https://go.kubebuilder.io/test-tools/${K8S_VERSION}/$(go env GOOS)/$(go env GOARCH)"
-        sudo mkdir /usr/local/kubebuilder
-        sudo tar -C /usr/local/kubebuilder --strip-components=1 -zvxf envtest-bins.tar.gz
-        sudo cp /usr/local/kubebuilder/bin/* /usr/local/bin
+        GOPATH_BIN="$(go env GOPATH)/bin"
+        export PATH="$PATH:$GOPATH_BIN"
+
+        echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
+        go install sigs.k8s.io/controller-runtime/tools/setup-envtest@release-0.19
+
+        ENVTEST_PATH=$($GOPATH_BIN/setup-envtest use $K8S_VERSION -p path)
+        echo "Resolved KUBEBUILDER_ASSETS path: '$ENVTEST_PATH'"
+        echo "KUBEBUILDER_ASSETS=$ENVTEST_PATH" >> $GITHUB_ENV
 
     - name: Make controller-gen
       run: make controller-gen
@@ -40,4 +46,6 @@ jobs:
       run: go mod vendor
 
     - name: Basic Operator's Tests
-      run: KUBEBUILDER_ASSETS=/usr/local/bin go test -timeout 60m ./... -coverprofile cover.out
+      run: |
+        echo "Using KUBEBUILDER_ASSETS: $KUBEBUILDER_ASSETS"
+        go test -timeout 60m $(go list ./... | grep -v /e2e) -coverprofile cover.out

internal/controller/suite_test.go

@@ -68,6 +68,9 @@ var _ = BeforeSuite(func() {
 	testEnv = &envtest.Environment{
 		CRDDirectoryPaths:     []string{filepath.Join("..", "..", "config", "crd", "bases")},
 		ErrorIfCRDPathMissing: true,
+
+		// Priority: 1. Use KUBEBUILDER_ASSETS from env, 2. Fallback to getFirstFoundEnvTestBinaryDir()
+		BinaryAssetsDirectory: os.Getenv("KUBEBUILDER_ASSETS"),
 	}
 
 	// Retrieve the first found binary directory to allow running tests from IDEs

internal/controller/webserver_controller_test.go

@@ -24,43 +24,57 @@ import (
 
 	//	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/types"
-	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 
+	corev1 "k8s.io/api/core/v1"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	webserversorgv1alpha1 "github.com/web-servers/jws-operator/api/v1alpha1"
 )
 
-var c client.Client
-
 var _ = Describe("WebServer Controller", func() {
 	Context("When reconciling a resource", func() {
 		const resourceName = "test-resource"
+		var ctx context.Context
+		var typeNamespacedName types.NamespacedName
+		var webserver *webserversorgv1alpha1.WebServer
+
+		BeforeEach(func() {
+			ctx = context.Background()
 
-		ctx := context.Background()
-
-		typeNamespacedName := types.NamespacedName{
-			Name:      resourceName,
-			Namespace: "mm-test", // TODO(user):Modify as needed
-		}
-		webserver := &webserversorgv1alpha1.WebServer{
-			TypeMeta: metav1.TypeMeta{
-				Kind:       "WebServer",
-				APIVersion: "web.servers.org/v1alpha1",
-			},
-			ObjectMeta: metav1.ObjectMeta{
-				Name:      "xyz",
-				Namespace: "mm-test",
-			},
-			Spec: webserversorgv1alpha1.WebServerSpec{
-				Replicas:        3,
-				ApplicationName: "abc",
-				WebImage: &webserversorgv1alpha1.WebImageSpec{
-					ApplicationImage: "quay.io/web-servers/tomcat10:latest",
+			ns := &corev1.Namespace{
+				ObjectMeta: metav1.ObjectMeta{
+					Name: "mm-test",
 				},
-			},
-		}
+			}
+
+			err := k8sClient.Create(ctx, ns)
+			if err != nil && !apierrors.IsAlreadyExists(err) {
+				Expect(err).NotTo(HaveOccurred())
+			}
+			typeNamespacedName = types.NamespacedName{
+				Name:      resourceName,
+				Namespace: "mm-test", // TODO(user):Modify as needed
+			}
+			webserver = &webserversorgv1alpha1.WebServer{
+				TypeMeta: metav1.TypeMeta{
+					Kind:       "WebServer",
+					APIVersion: "web.servers.org/v1alpha1",
+				},
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      resourceName,
+					Namespace: "mm-test",
+				},
+				Spec: webserversorgv1alpha1.WebServerSpec{
+					Replicas:        3,
+					ApplicationName: "abc",
+					WebImage: &webserversorgv1alpha1.WebImageSpec{
+						ApplicationImage: "quay.io/web-servers/tomcat10:latest",
+					},
+				},
+			}
+		})
 
 		It("should successfully reconcile the resource", func() {
 			By("Reconciling the created resource")
@@ -69,7 +83,7 @@ var _ = Describe("WebServer Controller", func() {
 				Scheme: k8sClient.Scheme(),
 			}
 
-			err := c.Create(ctx, webserver)
+			err := k8sClient.Create(ctx, webserver)
 
 			Expect(err).NotTo(HaveOccurred())