github.com/kubeflow/training-operator@v1.7.0/pkg/controller.v1/control/service_control_test.go (about)

     1  // Copyright 2019 The Kubeflow Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package control
    16  
    17  import (
    18  	"encoding/json"
    19  	"net/http/httptest"
    20  	"testing"
    21  
    22  	"github.com/stretchr/testify/assert"
    23  	v1 "k8s.io/api/core/v1"
    24  	apiequality "k8s.io/apimachinery/pkg/api/equality"
    25  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    26  	"k8s.io/apimachinery/pkg/runtime"
    27  	clientset "k8s.io/client-go/kubernetes"
    28  	clientscheme "k8s.io/client-go/kubernetes/scheme"
    29  	restclient "k8s.io/client-go/rest"
    30  	"k8s.io/client-go/tools/record"
    31  	utiltesting "k8s.io/client-go/util/testing"
    32  
    33  	testutilv1 "github.com/kubeflow/training-operator/test_job/test_util/v1"
    34  )
    35  
    36  func TestCreateService(t *testing.T) {
    37  	ns := metav1.NamespaceDefault
    38  	body := runtime.EncodeOrDie(
    39  		clientscheme.Codecs.LegacyCodec(v1.SchemeGroupVersion),
    40  		&v1.Service{ObjectMeta: metav1.ObjectMeta{Name: "empty_service"}})
    41  	fakeHandler := utiltesting.FakeHandler{
    42  		StatusCode:   200,
    43  		ResponseBody: body,
    44  	}
    45  	testServer := httptest.NewServer(&fakeHandler)
    46  	defer testServer.Close()
    47  	clientset := clientset.NewForConfigOrDie(&restclient.Config{
    48  		Host: testServer.URL,
    49  		ContentConfig: restclient.ContentConfig{
    50  			GroupVersion: &v1.SchemeGroupVersion,
    51  		},
    52  	})
    53  
    54  	serviceControl := RealServiceControl{
    55  		KubeClient: clientset,
    56  		Recorder:   &record.FakeRecorder{},
    57  	}
    58  
    59  	testJob := testutilv1.NewTestJob(1)
    60  
    61  	testName := "service-name"
    62  	service := testutilv1.NewBaseService(testName, testJob, t)
    63  	service.SetOwnerReferences([]metav1.OwnerReference{})
    64  
    65  	// Make sure createReplica sends a POST to the apiserver with a pod from the controllers pod template
    66  	err := serviceControl.CreateServices(ns, service, testJob)
    67  	assert.NoError(t, err, "unexpected error: %v", err)
    68  
    69  	expectedService := v1.Service{
    70  		ObjectMeta: metav1.ObjectMeta{
    71  			Labels:    testutilv1.GenLabels(testJob.Name),
    72  			Name:      testName,
    73  			Namespace: ns,
    74  		},
    75  	}
    76  	fakeHandler.ValidateRequest(t,
    77  		"/api/v1/namespaces/default/services", "POST", nil)
    78  	var actualService = &v1.Service{}
    79  	err = json.Unmarshal([]byte(fakeHandler.RequestBody), actualService)
    80  	assert.NoError(t, err, "unexpected error: %v", err)
    81  	assert.True(t, apiequality.Semantic.DeepDerivative(&expectedService, actualService),
    82  		"Body: %s", fakeHandler.RequestBody)
    83  }
    84  
    85  func TestCreateServicesWithControllerRef(t *testing.T) {
    86  	ns := metav1.NamespaceDefault
    87  	body := runtime.EncodeOrDie(
    88  		clientscheme.Codecs.LegacyCodec(v1.SchemeGroupVersion),
    89  		&v1.Service{ObjectMeta: metav1.ObjectMeta{Name: "empty_service"}})
    90  	fakeHandler := utiltesting.FakeHandler{
    91  		StatusCode:   200,
    92  		ResponseBody: body,
    93  	}
    94  	testServer := httptest.NewServer(&fakeHandler)
    95  	defer testServer.Close()
    96  	clientset := clientset.NewForConfigOrDie(&restclient.Config{
    97  		Host: testServer.URL,
    98  		ContentConfig: restclient.ContentConfig{
    99  			GroupVersion: &v1.SchemeGroupVersion,
   100  		},
   101  	})
   102  
   103  	serviceControl := RealServiceControl{
   104  		KubeClient: clientset,
   105  		Recorder:   &record.FakeRecorder{},
   106  	}
   107  
   108  	testJob := testutilv1.NewTestJob(1)
   109  
   110  	testName := "service-name"
   111  	service := testutilv1.NewBaseService(testName, testJob, t)
   112  	service.SetOwnerReferences([]metav1.OwnerReference{})
   113  
   114  	ownerRef := testutilv1.GenOwnerReference(testJob)
   115  
   116  	// Make sure createReplica sends a POST to the apiserver with a pod from the controllers pod template
   117  	err := serviceControl.CreateServicesWithControllerRef(ns, service, testJob, ownerRef)
   118  	assert.NoError(t, err, "unexpected error: %v", err)
   119  
   120  	expectedService := v1.Service{
   121  		ObjectMeta: metav1.ObjectMeta{
   122  			Labels:          testutilv1.GenLabels(testJob.Name),
   123  			Name:            testName,
   124  			Namespace:       ns,
   125  			OwnerReferences: []metav1.OwnerReference{*ownerRef},
   126  		},
   127  	}
   128  	fakeHandler.ValidateRequest(t,
   129  		"/api/v1/namespaces/default/services", "POST", nil)
   130  	var actualService = &v1.Service{}
   131  	err = json.Unmarshal([]byte(fakeHandler.RequestBody), actualService)
   132  	assert.NoError(t, err, "unexpected error: %v", err)
   133  	assert.True(t, apiequality.Semantic.DeepDerivative(&expectedService, actualService),
   134  		"Body: %s", fakeHandler.RequestBody)
   135  }