/* Copyright 2024 The Karmada Authors. 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 app import ( "context" "encoding/json" "net/http" "testing" "github.com/stretchr/testify/assert" corev1 "k8s.io/api/core/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/apimachinery/pkg/runtime" "k8s.io/utils/ptr" workloadv1alpha1 "github.com/karmada-io/karmada/examples/customresourceinterpreter/apis/workload/v1alpha1" configv1alpha1 "github.com/karmada-io/karmada/pkg/apis/config/v1alpha1" "github.com/karmada-io/karmada/pkg/webhook/interpreter" ) func TestWorkloadInterpreter_responseWithExploreReplica(t *testing.T) { testCases := []struct { name string workload *workloadv1alpha1.Workload expected int32 }{ { name: "Workload with replicas", workload: &workloadv1alpha1.Workload{ Spec: workloadv1alpha1.WorkloadSpec{ Replicas: ptr.To[int32](3), }, }, expected: 3, }, { name: "Workload without replicas", workload: &workloadv1alpha1.Workload{ Spec: workloadv1alpha1.WorkloadSpec{}, }, expected: 0, }, } interpreter := &workloadInterpreter{} for _, tc := range testCases { t.Run(tc.name, func(t *testing.T) { response := interpreter.responseWithExploreReplica(tc.workload) if response.Replicas != nil { assert.Equal(t, tc.expected, *response.Replicas) } else { assert.Equal(t, tc.expected, int32(0)) } }) } } func TestWorkloadInterpreter_responseWithExploreDependency(t *testing.T) { workload := &workloadv1alpha1.Workload{ ObjectMeta: metav1.ObjectMeta{ Namespace: "test-namespace", }, Spec: workloadv1alpha1.WorkloadSpec{ Template: corev1.PodTemplateSpec{ Spec: corev1.PodSpec{ Containers: []corev1.Container{ { EnvFrom: []corev1.EnvFromSource{ { ConfigMapRef: &corev1.ConfigMapEnvSource{ LocalObjectReference: corev1.LocalObjectReference{ Name: "test-configmap", }, }, }, }, }, }, }, }, }, } interpreter := &workloadInterpreter{} response := interpreter.responseWithExploreDependency(workload) expectedDependencies := []configv1alpha1.DependentObjectReference{ { APIVersion: "v1", Kind: "ConfigMap", Namespace: "test-namespace", Name: "test-configmap", }, } assert.Equal(t, expectedDependencies, response.Dependencies) } func TestWorkloadInterpreter_responseWithExploreInterpretHealth(t *testing.T) { testCases := []struct { name string workload *workloadv1alpha1.Workload expected bool }{ { name: "Healthy workload", workload: &workloadv1alpha1.Workload{ Spec: workloadv1alpha1.WorkloadSpec{ Replicas: ptr.To[int32](3), }, Status: workloadv1alpha1.WorkloadStatus{ ReadyReplicas: 3, }, }, expected: true, }, { name: "Unhealthy workload", workload: &workloadv1alpha1.Workload{ Spec: workloadv1alpha1.WorkloadSpec{ Replicas: ptr.To[int32](3), }, Status: workloadv1alpha1.WorkloadStatus{ ReadyReplicas: 2, }, }, expected: false, }, } interpreter := &workloadInterpreter{} for _, tc := range testCases { t.Run(tc.name, func(t *testing.T) { response := interpreter.responseWithExploreInterpretHealth(tc.workload) assert.Equal(t, tc.expected, *response.Healthy) }) } } func TestWorkloadInterpreter_responseWithExploreInterpretStatus(t *testing.T) { workload := &workloadv1alpha1.Workload{ Status: workloadv1alpha1.WorkloadStatus{ ReadyReplicas: 3, }, } interpreter := &workloadInterpreter{} response := interpreter.responseWithExploreInterpretStatus(workload) expectedStatus := &workloadv1alpha1.WorkloadStatus{ ReadyReplicas: 3, } expectedBytes, _ := json.Marshal(expectedStatus) assert.Equal(t, expectedBytes, response.RawStatus.Raw) } func TestWorkloadInterpreter_Handle(t *testing.T) { testCases := []struct { name string operation configv1alpha1.InterpreterOperation expectedStatus int32 checkResponse func(*testing.T, interpreter.Response) }{ { name: "InterpretReplica operation", operation: configv1alpha1.InterpreterOperationInterpretReplica, expectedStatus: http.StatusOK, }, { name: "InterpretDependency operation", operation: configv1alpha1.InterpreterOperationInterpretDependency, expectedStatus: http.StatusOK, }, { name: "InterpretHealth operation", operation: configv1alpha1.InterpreterOperationInterpretHealth, expectedStatus: http.StatusOK, }, { name: "InterpretStatus operation", operation: configv1alpha1.InterpreterOperationInterpretStatus, expectedStatus: http.StatusOK, }, { name: "Invalid operation", operation: "InvalidOperation", expectedStatus: http.StatusBadRequest, }, } scheme := runtime.NewScheme() _ = workloadv1alpha1.Install(scheme) decoder := interpreter.NewDecoder(scheme) interpreterInstance := &workloadInterpreter{ decoder: decoder, } for _, tc := range testCases { t.Run(tc.name, func(t *testing.T) { workload := &workloadv1alpha1.Workload{ Spec: workloadv1alpha1.WorkloadSpec{ Replicas: ptr.To[int32](3), Template: corev1.PodTemplateSpec{ Spec: corev1.PodSpec{ Containers: []corev1.Container{ { EnvFrom: []corev1.EnvFromSource{ { ConfigMapRef: &corev1.ConfigMapEnvSource{ LocalObjectReference: corev1.LocalObjectReference{ Name: "test-configmap", }, }, }, }, }, }, }, }, }, Status: workloadv1alpha1.WorkloadStatus{ ReadyReplicas: 3, }, } workloadBytes, _ := json.Marshal(workload) req := interpreter.Request{ ResourceInterpreterRequest: configv1alpha1.ResourceInterpreterRequest{ Operation: tc.operation, Object: runtime.RawExtension{ Raw: workloadBytes, }, }, } response := interpreterInstance.Handle(context.Background(), req) assert.Equal(t, tc.expectedStatus, response.Status.Code) }) } }