diff --git a/pkg/cache/application_state_test.go b/pkg/cache/application_state_test.go
index 1247a4886..d16e3012c 100644
--- a/pkg/cache/application_state_test.go
+++ b/pkg/cache/application_state_test.go
@@ -21,6 +21,8 @@ package cache
 import (
 	"testing"
 
+	"gotest.tools/v3/assert"
+
 	"github.com/apache/yunikorn-scheduler-interface/lib/go/si"
 )
 
@@ -887,3 +889,20 @@ func TestNewResumingApplicationEvent(t *testing.T) {
 		})
 	}
 }
+
+func TestApplicationEventsAsString(t *testing.T) {
+	assert.Equal(t, SubmitApplication.String(), "SubmitApplication")
+	assert.Equal(t, AcceptApplication.String(), "AcceptApplication")
+	assert.Equal(t, TryReserve.String(), "TryReserve")
+	assert.Equal(t, UpdateReservation.String(), "UpdateReservation")
+	assert.Equal(t, RunApplication.String(), "RunApplication")
+	assert.Equal(t, RejectApplication.String(), "RejectApplication")
+	assert.Equal(t, CompleteApplication.String(), "CompleteApplication")
+	assert.Equal(t, FailApplication.String(), "FailApplication")
+	assert.Equal(t, KillApplication.String(), "KillApplication")
+	assert.Equal(t, KilledApplication.String(), "KilledApplication")
+	assert.Equal(t, ReleaseAppAllocation.String(), "ReleaseAppAllocation")
+	assert.Equal(t, ReleaseAppAllocationAsk.String(), "ReleaseAppAllocationAsk")
+	assert.Equal(t, ResumingApplication.String(), "ResumingApplication")
+	assert.Equal(t, AppTaskCompleted.String(), "AppTaskCompleted")
+}
diff --git a/pkg/cache/task_state_test.go b/pkg/cache/task_state_test.go
index 6e66cddea..bca7a2248 100644
--- a/pkg/cache/task_state_test.go
+++ b/pkg/cache/task_state_test.go
@@ -59,3 +59,15 @@ func TestGetAllocateTaskEventArgs(t *testing.T) {
 	err = events.GetEventArgsAsStrings(nil, args)
 	assert.Assert(t, err != nil)
 }
+
+func TestTaskEventsAsString(t *testing.T) {
+	assert.Equal(t, InitTask.String(), "InitTask")
+	assert.Equal(t, SubmitTask.String(), "SubmitTask")
+	assert.Equal(t, TaskAllocated.String(), "TaskAllocated")
+	assert.Equal(t, TaskRejected.String(), "TaskRejected")
+	assert.Equal(t, TaskBound.String(), "TaskBound")
+	assert.Equal(t, CompleteTask.String(), "CompleteTask")
+	assert.Equal(t, TaskFail.String(), "TaskFail")
+	assert.Equal(t, KillTask.String(), "KillTask")
+	assert.Equal(t, TaskKilled.String(), "TaskKilled")
+}