| // Copyright Istio 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 controller |
| |
| import ( |
| "testing" |
| ) |
| |
| import ( |
| coreV1 "k8s.io/api/core/v1" |
| ) |
| |
| func TestEndpointsEqual(t *testing.T) { |
| addressA := coreV1.EndpointAddress{IP: "1.2.3.4", Hostname: "a"} |
| addressB := coreV1.EndpointAddress{IP: "1.2.3.4", Hostname: "b"} |
| portA := coreV1.EndpointPort{Name: "a"} |
| portB := coreV1.EndpointPort{Name: "b"} |
| appProtocolA := "http" |
| appProtocolB := "tcp" |
| appProtocolPortA := coreV1.EndpointPort{Name: "a", AppProtocol: &appProtocolA} |
| appProtocolPortB := coreV1.EndpointPort{Name: "a", AppProtocol: &appProtocolB} |
| cases := []struct { |
| name string |
| a *coreV1.Endpoints |
| b *coreV1.Endpoints |
| want bool |
| }{ |
| {"both empty", &coreV1.Endpoints{}, &coreV1.Endpoints{}, true}, |
| { |
| "just not ready endpoints", |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {NotReadyAddresses: []coreV1.EndpointAddress{addressA}}, |
| }}, |
| &coreV1.Endpoints{}, |
| false, |
| }, |
| { |
| "not ready to ready", |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {NotReadyAddresses: []coreV1.EndpointAddress{addressA}}, |
| }}, |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}}, |
| }}, |
| false, |
| }, |
| { |
| "ready and not ready address", |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| { |
| NotReadyAddresses: []coreV1.EndpointAddress{addressB}, |
| Addresses: []coreV1.EndpointAddress{addressA}, |
| }, |
| }}, |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}}, |
| }}, |
| true, |
| }, |
| { |
| "different addresses", |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressB}}, |
| }}, |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}}, |
| }}, |
| false, |
| }, |
| { |
| "different ports", |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}, Ports: []coreV1.EndpointPort{portA}}, |
| }}, |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}, Ports: []coreV1.EndpointPort{portB}}, |
| }}, |
| false, |
| }, |
| { |
| "same app protocol", |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}, Ports: []coreV1.EndpointPort{appProtocolPortA}}, |
| }}, |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}, Ports: []coreV1.EndpointPort{appProtocolPortA}}, |
| }}, |
| true, |
| }, |
| { |
| "different app protocol", |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}, Ports: []coreV1.EndpointPort{appProtocolPortA}}, |
| }}, |
| &coreV1.Endpoints{Subsets: []coreV1.EndpointSubset{ |
| {Addresses: []coreV1.EndpointAddress{addressA}, Ports: []coreV1.EndpointPort{appProtocolPortB}}, |
| }}, |
| false, |
| }, |
| } |
| for _, tt := range cases { |
| t.Run(tt.name, func(t *testing.T) { |
| got := endpointsEqual(tt.a, tt.b) |
| inverse := endpointsEqual(tt.b, tt.a) |
| if got != tt.want { |
| t.Fatalf("Compare endpoints got %v, want %v", got, tt.want) |
| } |
| if got != inverse { |
| t.Fatalf("Expected to be commutative, but was not") |
| } |
| }) |
| } |
| } |