strategy_test.go

Documentation: k8s.io/kubernetes/pkg/registry/networking/ingress

     1  /*
     2  Copyright 2015 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package ingress
    18  
    19  import (
    20  	"testing"
    21  
    22  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    23  	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
    24  	"k8s.io/kubernetes/pkg/apis/networking"
    25  )
    26  
    27  func newIngress() networking.Ingress {
    28  	serviceBackend := &networking.IngressServiceBackend{
    29  		Name: "default-backend",
    30  		Port: networking.ServiceBackendPort{
    31  			Name:   "",
    32  			Number: 80,
    33  		},
    34  	}
    35  	defaultBackend := networking.IngressBackend{
    36  		Service: serviceBackend.DeepCopy(),
    37  	}
    38  	implementationPathType := networking.PathTypeImplementationSpecific
    39  	return networking.Ingress{
    40  		ObjectMeta: metav1.ObjectMeta{
    41  			Name:      "foo",
    42  			Namespace: metav1.NamespaceDefault,
    43  		},
    44  		Spec: networking.IngressSpec{
    45  			DefaultBackend: defaultBackend.DeepCopy(),
    46  			Rules: []networking.IngressRule{
    47  				{
    48  					Host: "foo.bar.com",
    49  					IngressRuleValue: networking.IngressRuleValue{
    50  						HTTP: &networking.HTTPIngressRuleValue{
    51  							Paths: []networking.HTTPIngressPath{
    52  								{
    53  									Path:     "/foo",
    54  									PathType: &implementationPathType,
    55  									Backend:  *defaultBackend.DeepCopy(),
    56  								},
    57  							},
    58  						},
    59  					},
    60  				},
    61  			},
    62  		},
    63  		Status: networking.IngressStatus{
    64  			LoadBalancer: networking.IngressLoadBalancerStatus{
    65  				Ingress: []networking.IngressLoadBalancerIngress{
    66  					{IP: "127.0.0.1"},
    67  				},
    68  			},
    69  		},
    70  	}
    71  }
    72  
    73  func TestIngressStrategy(t *testing.T) {
    74  	ctx := genericapirequest.NewDefaultContext()
    75  	apiRequest := genericapirequest.RequestInfo{APIGroup: "networking.k8s.io",
    76  		APIVersion: "v1",
    77  		Resource:   "ingresses",
    78  	}
    79  	ctx = genericapirequest.WithRequestInfo(ctx, &apiRequest)
    80  	if !Strategy.NamespaceScoped() {
    81  		t.Errorf("Ingress must be namespace scoped")
    82  	}
    83  	if Strategy.AllowCreateOnUpdate() {
    84  		t.Errorf("Ingress should not allow create on update")
    85  	}
    86  
    87  	ingress := newIngress()
    88  	Strategy.PrepareForCreate(ctx, &ingress)
    89  	if len(ingress.Status.LoadBalancer.Ingress) != 0 {
    90  		t.Error("Ingress should not allow setting status on create")
    91  	}
    92  	errs := Strategy.Validate(ctx, &ingress)
    93  	if len(errs) != 0 {
    94  		t.Errorf("Unexpected error validating %v", errs)
    95  	}
    96  	invalidIngress := newIngress()
    97  	invalidIngress.ResourceVersion = "4"
    98  	invalidIngress.Spec = networking.IngressSpec{}
    99  	Strategy.PrepareForUpdate(ctx, &invalidIngress, &ingress)
   100  	errs = Strategy.ValidateUpdate(ctx, &invalidIngress, &ingress)
   101  	if len(errs) == 0 {
   102  		t.Errorf("Expected a validation error")
   103  	}
   104  	if invalidIngress.ResourceVersion != "4" {
   105  		t.Errorf("Incoming resource version on update should not be mutated")
   106  	}
   107  }
   108  
   109  func TestIngressStatusStrategy(t *testing.T) {
   110  	ctx := genericapirequest.NewDefaultContext()
   111  	if !StatusStrategy.NamespaceScoped() {
   112  		t.Errorf("Ingress must be namespace scoped")
   113  	}
   114  	if StatusStrategy.AllowCreateOnUpdate() {
   115  		t.Errorf("Ingress should not allow create on update")
   116  	}
   117  	oldIngress := newIngress()
   118  	newIngress := newIngress()
   119  	oldIngress.ResourceVersion = "4"
   120  	newIngress.ResourceVersion = "4"
   121  	newIngress.Spec.DefaultBackend.Service.Name = "ignore"
   122  	newIngress.Status = networking.IngressStatus{
   123  		LoadBalancer: networking.IngressLoadBalancerStatus{
   124  			Ingress: []networking.IngressLoadBalancerIngress{
   125  				{IP: "127.0.0.2"},
   126  			},
   127  		},
   128  	}
   129  	StatusStrategy.PrepareForUpdate(ctx, &newIngress, &oldIngress)
   130  	if newIngress.Status.LoadBalancer.Ingress[0].IP != "127.0.0.2" {
   131  		t.Errorf("Ingress status updates should allow change of status fields")
   132  	}
   133  	if newIngress.Spec.DefaultBackend.Service.Name != "default-backend" {
   134  		t.Errorf("PrepareForUpdate should have preserved old spec")
   135  	}
   136  	errs := StatusStrategy.ValidateUpdate(ctx, &newIngress, &oldIngress)
   137  	if len(errs) != 0 {
   138  		t.Errorf("Unexpected error %v", errs)
   139  	}
   140  }
   141
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