Add Notation to TestAlluxioEngine_generateDataProcessValueFile in pkg… (#4994)

* Add Notation to TestAlluxioEngine_generateDataProcessValueFile in pkg\ddc\alluxio\process_data_test.go

Signed-off-by: matatabi <2015201051@qq.com>

* Add Notation to TestAlluxioEngine_generateDataProcessValueFile in pkg\ddc\alluxio\process_data_test.go

Signed-off-by: matatabi <2015201051@qq.com>

---------

Signed-off-by: matatabi <2015201051@qq.com>

Author: matatabo

pkg/ddc/alluxio/process_data_test.go

@@ -27,6 +27,17 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/client"
 )
 
+// TestAlluxioEngine_generateDataProcessValueFile tests the generateDataProcessValueFile 
+// function of AlluxioEngine under different input scenarios.
+//
+// Parameters:
+// - dataset: a mock Dataset object for simulating an existing dataset.
+// - dataProcess: a mock DataProcess object containing processor and target dataset info.
+// - args: includes the engine instance, request context, and the input object to test.
+//
+// Return:
+// - Verifies whether generateDataProcessValueFile returns an error as expected 
+//   in each scenario.
 func TestAlluxioEngine_generateDataProcessValueFile(t *testing.T) {
 	dataset := &datav1alpha1.Dataset{
 		ObjectMeta: metav1.ObjectMeta{