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90 lines
2.5 KiB
Go
90 lines
2.5 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metaproxier
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import (
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"reflect"
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"testing"
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v1 "k8s.io/api/core/v1"
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)
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func Test_endpointsIPFamily(t *testing.T) {
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ipv4 := v1.IPv4Protocol
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ipv6 := v1.IPv6Protocol
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tests := []struct {
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name string
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endpoints *v1.Endpoints
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want *v1.IPFamily
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wantErr bool
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errorMsg string
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}{
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{
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name: "Endpoints No Subsets",
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endpoints: &v1.Endpoints{},
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want: nil,
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wantErr: true,
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errorMsg: "failed to identify ipfamily for endpoints (no subsets)",
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},
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{
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name: "Endpoints No Addresses",
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endpoints: &v1.Endpoints{Subsets: []v1.EndpointSubset{{NotReadyAddresses: []v1.EndpointAddress{}}}},
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want: nil,
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wantErr: true,
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errorMsg: "failed to identify ipfamily for endpoints (no addresses)",
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},
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{
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name: "Endpoints Address Has No IP",
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endpoints: &v1.Endpoints{Subsets: []v1.EndpointSubset{{Addresses: []v1.EndpointAddress{{Hostname: "testhost", IP: ""}}}}},
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want: nil,
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wantErr: true,
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errorMsg: "failed to identify ipfamily for endpoints (address has no ip)",
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},
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{
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name: "Endpoints Address IPv4",
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endpoints: &v1.Endpoints{Subsets: []v1.EndpointSubset{{Addresses: []v1.EndpointAddress{{IP: "1.2.3.4"}}}}},
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want: &ipv4,
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wantErr: false,
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},
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{
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name: "Endpoints Address IPv6",
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endpoints: &v1.Endpoints{Subsets: []v1.EndpointSubset{{Addresses: []v1.EndpointAddress{{IP: "2001:db9::2"}}}}},
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want: &ipv6,
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := endpointsIPFamily(tt.endpoints)
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if (err != nil) != tt.wantErr {
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t.Errorf("endpointsIPFamily() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if err != nil && err.Error() != tt.errorMsg {
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t.Errorf("endpointsIPFamily() error = %v, wantErr %v", err, tt.errorMsg)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("endpointsIPFamily() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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