mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-04 04:08:16 +00:00
322 lines
9.4 KiB
Go
322 lines
9.4 KiB
Go
/*
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Copyright 2016 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 kubectl
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import (
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"reflect"
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"strings"
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"testing"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/intstr"
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)
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func TestServiceBasicGenerate(t *testing.T) {
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tests := []struct {
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name string
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serviceType v1.ServiceType
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tcp []string
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clusterip string
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expected *v1.Service
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expectErr bool
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}{
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{
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name: "clusterip-ok",
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tcp: []string{"456", "321:908"},
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clusterip: "",
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serviceType: v1.ServiceTypeClusterIP,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "clusterip-ok",
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Labels: map[string]string{"app": "clusterip-ok"},
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},
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Spec: v1.ServiceSpec{Type: "ClusterIP",
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Ports: []v1.ServicePort{{Name: "456", Protocol: "TCP", Port: 456, TargetPort: intstr.IntOrString{Type: 0, IntVal: 456, StrVal: ""}, NodePort: 0},
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{Name: "321-908", Protocol: "TCP", Port: 321, TargetPort: intstr.IntOrString{Type: 0, IntVal: 908, StrVal: ""}, NodePort: 0}},
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Selector: map[string]string{"app": "clusterip-ok"},
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ClusterIP: "", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "clusterip-missing",
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serviceType: v1.ServiceTypeClusterIP,
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expectErr: true,
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},
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{
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name: "clusterip-none-wrong-type",
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tcp: []string{},
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clusterip: "None",
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serviceType: v1.ServiceTypeNodePort,
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expectErr: true,
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},
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{
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name: "clusterip-none-ok",
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tcp: []string{},
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clusterip: "None",
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serviceType: v1.ServiceTypeClusterIP,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "clusterip-none-ok",
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Labels: map[string]string{"app": "clusterip-none-ok"},
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},
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Spec: v1.ServiceSpec{Type: "ClusterIP",
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Ports: []v1.ServicePort{},
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Selector: map[string]string{"app": "clusterip-none-ok"},
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ClusterIP: "None", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "clusterip-none-and-port-mapping",
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tcp: []string{"456:9898"},
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clusterip: "None",
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serviceType: v1.ServiceTypeClusterIP,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "clusterip-none-and-port-mapping",
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Labels: map[string]string{"app": "clusterip-none-and-port-mapping"},
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},
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Spec: v1.ServiceSpec{Type: "ClusterIP",
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Ports: []v1.ServicePort{{Name: "456-9898", Protocol: "TCP", Port: 456, TargetPort: intstr.IntOrString{Type: 0, IntVal: 9898, StrVal: ""}, NodePort: 0}},
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Selector: map[string]string{"app": "clusterip-none-and-port-mapping"},
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ClusterIP: "None", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "loadbalancer-ok",
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tcp: []string{"456:9898"},
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clusterip: "",
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serviceType: v1.ServiceTypeLoadBalancer,
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expected: &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "loadbalancer-ok",
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Labels: map[string]string{"app": "loadbalancer-ok"},
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},
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Spec: v1.ServiceSpec{Type: "LoadBalancer",
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Ports: []v1.ServicePort{{Name: "456-9898", Protocol: "TCP", Port: 456, TargetPort: intstr.IntOrString{Type: 0, IntVal: 9898, StrVal: ""}, NodePort: 0}},
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Selector: map[string]string{"app": "loadbalancer-ok"},
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ClusterIP: "", ExternalIPs: []string(nil), LoadBalancerIP: ""},
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},
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expectErr: false,
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},
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{
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name: "invalid-port",
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tcp: []string{"65536"},
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clusterip: "None",
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serviceType: v1.ServiceTypeClusterIP,
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expectErr: true,
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},
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{
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name: "invalid-port-mapping",
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tcp: []string{"8080:-abc"},
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clusterip: "None",
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serviceType: v1.ServiceTypeClusterIP,
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expectErr: true,
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},
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{
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expectErr: true,
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},
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}
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for _, test := range tests {
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generator := ServiceCommonGeneratorV1{
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Name: test.name,
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TCP: test.tcp,
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Type: test.serviceType,
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ClusterIP: test.clusterip,
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}
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obj, err := generator.StructuredGenerate()
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if !test.expectErr && err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if test.expectErr && err != nil {
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continue
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}
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if !reflect.DeepEqual(obj.(*v1.Service), test.expected) {
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t.Errorf("test: %v\nexpected:\n%#v\nsaw:\n%#v", test.name, test.expected, obj.(*v1.Service))
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}
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}
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}
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func TestParsePorts(t *testing.T) {
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tests := []struct {
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portString string
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expectPort int32
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expectTargetPort intstr.IntOrString
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expectErr string
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}{
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{
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portString: "3232",
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expectPort: 3232,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 3232},
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},
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{
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portString: "1:65535",
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expectPort: 1,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 65535},
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},
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{
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portString: "-5:1234",
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expectPort: 0,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 0},
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expectErr: "must be between 1 and 65535, inclusive",
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},
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{
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portString: "5:65536",
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expectPort: 0,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 0},
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expectErr: "must be between 1 and 65535, inclusive",
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},
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{
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portString: "test-5:443",
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expectPort: 0,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 0},
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expectErr: "invalid syntax",
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},
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{
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portString: "5:test-443",
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expectPort: 5,
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expectTargetPort: intstr.IntOrString{Type: intstr.String, StrVal: "test-443"},
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},
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{
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portString: "5:test*443",
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expectPort: 0,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 0},
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expectErr: "must contain only alpha-numeric characters (a-z, 0-9), and hyphens (-)",
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},
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{
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portString: "5:",
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expectPort: 0,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 0},
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expectErr: "must contain at least one letter or number (a-z, 0-9)",
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},
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{
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portString: "5:test--443",
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expectPort: 0,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 0},
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expectErr: "must not contain consecutive hyphens",
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},
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{
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portString: "5:test443-",
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expectPort: 0,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 0},
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expectErr: "must not begin or end with a hyphen",
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},
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{
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portString: "3232:1234:4567",
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expectPort: 3232,
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expectTargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: 1234},
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},
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}
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for _, test := range tests {
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t.Run(test.portString, func(t *testing.T) {
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port, targetPort, err := parsePorts(test.portString)
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if len(test.expectErr) != 0 {
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if !strings.Contains(err.Error(), test.expectErr) {
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t.Errorf("parse ports string: %s. Expected err: %s, Got err: %v.", test.portString, test.expectErr, err)
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}
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}
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if !reflect.DeepEqual(targetPort, test.expectTargetPort) || port != test.expectPort {
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t.Errorf("parse ports string: %s. Expected port:%d, targetPort:%v, Got port:%d, targetPort:%v.", test.portString, test.expectPort, test.expectTargetPort, port, targetPort)
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}
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})
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}
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}
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func TestValidateServiceCommonGeneratorV1(t *testing.T) {
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tests := []struct {
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name string
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s ServiceCommonGeneratorV1
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expectErr string
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}{
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{
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name: "validate-ok",
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s: ServiceCommonGeneratorV1{
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Name: "validate-ok",
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Type: v1.ServiceTypeClusterIP,
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TCP: []string{"123", "234:1234"},
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ClusterIP: "",
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},
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},
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{
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name: "Name-none",
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s: ServiceCommonGeneratorV1{
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Type: v1.ServiceTypeClusterIP,
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TCP: []string{"123", "234:1234"},
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ClusterIP: "",
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},
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expectErr: "name must be specified",
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},
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{
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name: "Type-none",
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s: ServiceCommonGeneratorV1{
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Name: "validate-ok",
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TCP: []string{"123", "234:1234"},
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ClusterIP: "",
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},
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expectErr: "type must be specified",
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},
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{
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name: "invalid-ClusterIPNone",
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s: ServiceCommonGeneratorV1{
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Name: "validate-ok",
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Type: v1.ServiceTypeNodePort,
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TCP: []string{"123", "234:1234"},
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ClusterIP: v1.ClusterIPNone,
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},
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expectErr: "ClusterIP=None can only be used with ClusterIP service type",
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},
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{
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name: "TCP-none",
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s: ServiceCommonGeneratorV1{
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Name: "validate-ok",
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Type: v1.ServiceTypeClusterIP,
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ClusterIP: "",
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},
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expectErr: "at least one tcp port specifier must be provided",
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},
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{
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name: "invalid-ExternalName",
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s: ServiceCommonGeneratorV1{
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Name: "validate-ok",
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Type: v1.ServiceTypeExternalName,
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TCP: []string{"123", "234:1234"},
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ClusterIP: "",
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ExternalName: "@oi:test",
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},
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expectErr: "invalid service external name",
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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err := test.s.validate()
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if err != nil {
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if !strings.Contains(err.Error(), test.expectErr) {
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t.Errorf("validate:%s Expected err: %s, Got err: %v", test.name, test.expectErr, err)
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}
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}
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if err == nil && len(test.expectErr) != 0 {
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t.Errorf("validate:%s Expected success, Got err: %v", test.name, err)
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}
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})
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}
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}
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