mirror of https://github.com/k3s-io/k3s
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 service
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import (
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"testing"
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netsets "k8s.io/kubernetes/pkg/util/net/sets"
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)
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func TestGetLoadBalancerSourceRanges(t *testing.T) {
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checkError := func(v string) {
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annotations := make(map[string]string)
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annotations[AnnotationLoadBalancerSourceRangesKey] = v
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_, err := GetLoadBalancerSourceRanges(annotations)
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if err == nil {
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t.Errorf("Expected error parsing: %q", v)
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}
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}
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checkError("10.0.0.1/33")
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checkError("foo.bar")
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checkError("10.0.0.1/32,*")
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checkError("10.0.0.1/32,")
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checkError("10.0.0.1/32, ")
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checkError("10.0.0.1")
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checkOK := func(v string) netsets.IPNet {
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annotations := make(map[string]string)
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annotations[AnnotationLoadBalancerSourceRangesKey] = v
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cidrs, err := GetLoadBalancerSourceRanges(annotations)
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if err != nil {
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t.Errorf("Unexpected error parsing: %q", v)
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}
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return cidrs
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}
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cidrs := checkOK("192.168.0.1/32")
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if len(cidrs) != 1 {
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t.Errorf("Expected exactly one CIDR: %v", cidrs.StringSlice())
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}
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cidrs = checkOK("192.168.0.1/32,192.168.0.1/32")
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if len(cidrs) != 1 {
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t.Errorf("Expected exactly one CIDR (after de-dup): %v", cidrs.StringSlice())
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}
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cidrs = checkOK("192.168.0.1/32,192.168.0.2/32")
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if len(cidrs) != 2 {
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t.Errorf("Expected two CIDRs: %v", cidrs.StringSlice())
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}
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cidrs = checkOK(" 192.168.0.1/32 , 192.168.0.2/32 ")
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if len(cidrs) != 2 {
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t.Errorf("Expected two CIDRs: %v", cidrs.StringSlice())
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}
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cidrs = checkOK("")
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if len(cidrs) != 1 {
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t.Errorf("Expected exactly one CIDR: %v", cidrs.StringSlice())
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}
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if !IsAllowAll(cidrs) {
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t.Errorf("Expected default to be allow-all: %v", cidrs.StringSlice())
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}
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}
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func TestAllowAll(t *testing.T) {
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checkAllowAll := func(allowAll bool, cidrs ...string) {
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ipnets, err := netsets.ParseIPNets(cidrs...)
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if err != nil {
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t.Errorf("Unexpected error parsing cidrs: %v", cidrs)
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}
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if allowAll != IsAllowAll(ipnets) {
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t.Errorf("IsAllowAll did not return expected value for %v", cidrs)
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}
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}
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checkAllowAll(false, "10.0.0.1/32")
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checkAllowAll(false, "10.0.0.1/32", "10.0.0.2/32")
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checkAllowAll(false, "10.0.0.1/32", "10.0.0.1/32")
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checkAllowAll(true, "0.0.0.0/0")
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checkAllowAll(true, "192.168.0.0/0")
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checkAllowAll(true, "192.168.0.1/32", "0.0.0.0/0")
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}
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