gateway_test.go

Documentation: sigs.k8s.io/gateway-api/apis/v1alpha2/validation

     1  /*
     2  Copyright 2021 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 validation
    18  
    19  import (
    20  	"testing"
    21  
    22  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    23  
    24  	gatewayv1 "sigs.k8s.io/gateway-api/apis/v1"
    25  	gatewayv1a2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
    26  )
    27  
    28  func TestValidateGateway(t *testing.T) {
    29  	listeners := []gatewayv1a2.Listener{
    30  		{
    31  			Hostname: nil,
    32  		},
    33  	}
    34  	addresses := []gatewayv1a2.GatewayAddress{
    35  		{
    36  			Type: nil,
    37  		},
    38  	}
    39  	baseGateway := gatewayv1a2.Gateway{
    40  		ObjectMeta: metav1.ObjectMeta{
    41  			Name:      "foo",
    42  			Namespace: metav1.NamespaceDefault,
    43  		},
    44  		Spec: gatewayv1a2.GatewaySpec{
    45  			GatewayClassName: "foo",
    46  			Listeners:        listeners,
    47  			Addresses:        addresses,
    48  		},
    49  	}
    50  
    51  	testCases := map[string]struct {
    52  		mutate             func(gw *gatewayv1a2.Gateway)
    53  		expectErrsOnFields []string
    54  	}{
    55  		"hostname present with tcp protocol": {
    56  			mutate: func(gw *gatewayv1a2.Gateway) {
    57  				hostname := gatewayv1a2.Hostname("foo.bar.com")
    58  				gw.Spec.Listeners[0].Hostname = &hostname
    59  				gw.Spec.Listeners[0].Protocol = gatewayv1.TCPProtocolType
    60  			},
    61  			expectErrsOnFields: []string{"spec.listeners[0].hostname"},
    62  		},
    63  		"hostname present with udp protocol": {
    64  			mutate: func(gw *gatewayv1a2.Gateway) {
    65  				hostname := gatewayv1a2.Hostname("foo.bar.com")
    66  				gw.Spec.Listeners[0].Hostname = &hostname
    67  				gw.Spec.Listeners[0].Protocol = gatewayv1.UDPProtocolType
    68  			},
    69  			expectErrsOnFields: []string{"spec.listeners[0].hostname"},
    70  		},
    71  	}
    72  
    73  	for name, tc := range testCases {
    74  		tc := tc
    75  		t.Run(name, func(t *testing.T) {
    76  			gw := baseGateway.DeepCopy()
    77  			tc.mutate(gw)
    78  			errs := ValidateGateway(gw)
    79  			if len(tc.expectErrsOnFields) != len(errs) {
    80  				t.Fatalf("Expected %d errors, got %d errors: %v", len(tc.expectErrsOnFields), len(errs), errs)
    81  			}
    82  			for i, err := range errs {
    83  				if err.Field != tc.expectErrsOnFields[i] {
    84  					t.Errorf("Expected error on field: %s, got: %s", tc.expectErrsOnFields[i], err.Error())
    85  				}
    86  			}
    87  		})
    88  	}
    89  }
    90
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