Bareminimum workqueue test

Signed-off-by: Swati Gupta <[email protected]>

Author: guptaNswati

pkg/workqueue/workqueue_test.go

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2025 NVIDIA CORPORATION.  All rights reserved.
+ *
+ * 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 workqueue
+
+import (
+	"context"
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+func TestEnqueue(t *testing.T) {
+	// Create a WorkQueue using the default rate limiter.
+	defaultRateLimiter := DefaultControllerRateLimiter()
+	wq := New(defaultRateLimiter)
+
+	require.NotNil(t, wq)
+	require.NotNil(t, wq.queue)
+
+	// Create a context with timeout for processing.
+	// use DefaultTypedControllerRateLimiter Base delay: 5ms
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Millisecond)
+	defer cancel()
+
+	// Test EnqueueRaw
+	t.Run("EnqueueRaw", func(t *testing.T) {
+		var called int32
+		callback := func(ctx context.Context, obj any) error {
+			atomic.StoreInt32(&called, 1)
+			return nil
+		}
+		wq.EnqueueRaw("AnyObject", callback)
+		wq.processNextWorkItem(ctx)
+
+		if atomic.LoadInt32(&called) != 1 {
+			t.Error("EnqueueRaw callback was not invoked")
+		}
+	})
+	// Test Enqueue with valid and invalid runtime.Object and  nil callback
+	// TODO: Implement a proper claim spec that needs to be processed
+	t.Run("EnqueueValid", func(t *testing.T) {
+		var called int32
+		callback := func(ctx context.Context, obj any) error {
+			_, ok := obj.(runtime.Object)
+			if !ok {
+				t.Errorf("Expected runtime.Object, got %T", obj)
+			}
+			atomic.StoreInt32(&called, 1)
+			return nil
+		}
+		validObj := &runtime.Unknown{}
+		wq.Enqueue(validObj, callback)
+		wq.processNextWorkItem(ctx)
+
+		if atomic.LoadInt32(&called) != 1 {
+			t.Error("Enqueue callback was not invoked")
+		}
+	})
+
+	t.Run("EnqueueInvalid", func(t *testing.T) {
+		callback := func(ctx context.Context, obj any) error { return nil }
+		wq.Enqueue("NotRuntimeObject", callback)
+	})
+
+	t.Run("NilCallback", func(t *testing.T) {
+		validObj := &runtime.Unknown{}
+		wq.Enqueue(validObj, nil)
+		wq.processNextWorkItem(ctx)
+	})
+}