Simplify the setup of controller tests (#2352)

controllers/actions.github.com/helpers_test.go

@@ -0,0 +1,71 @@
+package actionsgithubcom
+
+import (
+	"context"
+
+	"github.com/onsi/ginkgo/v2"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/sync/errgroup"
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/manager"
+)
+
+const defaultGitHubToken = "gh_token"
+
+func startManagers(t ginkgo.GinkgoTInterface, first manager.Manager, others ...manager.Manager) {
+	for _, mgr := range append([]manager.Manager{first}, others...) {
+		ctx, cancel := context.WithCancel(context.Background())
+
+		g, ctx := errgroup.WithContext(ctx)
+		g.Go(func() error {
+			return mgr.Start(ctx)
+		})
+
+		t.Cleanup(func() {
+			cancel()
+			require.NoError(t, g.Wait())
+		})
+	}
+}
+
+func createNamespace(t ginkgo.GinkgoTInterface, client client.Client) (*corev1.Namespace, manager.Manager) {
+	ns := &corev1.Namespace{
+		ObjectMeta: metav1.ObjectMeta{Name: "testns-autoscaling" + RandStringRunes(5)},
+	}
+
+	err := k8sClient.Create(context.Background(), ns)
+	require.NoError(t, err)
+
+	t.Cleanup(func() {
+		err := k8sClient.Delete(context.Background(), ns)
+		require.NoError(t, err)
+	})
+
+	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
+		Namespace:          ns.Name,
+		MetricsBindAddress: "0",
+	})
+	require.NoError(t, err)
+
+	return ns, mgr
+}
+
+func createDefaultSecret(t ginkgo.GinkgoTInterface, client client.Client, namespace string) *corev1.Secret {
+	secret := &corev1.Secret{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "github-config-secret",
+			Namespace: namespace,
+		},
+		Data: map[string][]byte{
+			"github_token": []byte(defaultGitHubToken),
+		},
+	}
+
+	err := k8sClient.Create(context.Background(), secret)
+	require.NoError(t, err)
+
+	return secret
+}