mirror of https://github.com/k3s-io/k3s
156 lines
3.4 KiB
Go
156 lines
3.4 KiB
Go
/*
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Copyright 2014 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 sets
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import (
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"net"
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"reflect"
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"sort"
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"testing"
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)
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func parseIPNet(s string) *net.IPNet {
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_, net, err := net.ParseCIDR(s)
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if err != nil {
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panic(err)
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}
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return net
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}
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func TestIPNets(t *testing.T) {
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s := IPNet{}
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s2 := IPNet{}
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if len(s) != 0 {
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t.Errorf("Expected len=0: %d", len(s))
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}
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a := parseIPNet("1.0.0.0/8")
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b := parseIPNet("2.0.0.0/8")
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c := parseIPNet("3.0.0.0/8")
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d := parseIPNet("4.0.0.0/8")
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s.Insert(a, b)
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if len(s) != 2 {
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t.Errorf("Expected len=2: %d", len(s))
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}
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s.Insert(c)
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if s.Has(d) {
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t.Errorf("Unexpected contents: %#v", s)
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}
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if !s.Has(a) {
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t.Errorf("Missing contents: %#v", s)
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}
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s.Delete(a)
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if s.Has(a) {
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t.Errorf("Unexpected contents: %#v", s)
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}
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s.Insert(a)
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if s.HasAll(a, b, d) {
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t.Errorf("Unexpected contents: %#v", s)
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}
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if !s.HasAll(a, b) {
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t.Errorf("Missing contents: %#v", s)
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}
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s2.Insert(a, b, d)
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if s.IsSuperset(s2) {
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t.Errorf("Unexpected contents: %#v", s)
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}
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s2.Delete(d)
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if !s.IsSuperset(s2) {
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t.Errorf("Missing contents: %#v", s)
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}
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}
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func TestIPNetSetDeleteMultiples(t *testing.T) {
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s := IPNet{}
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a := parseIPNet("1.0.0.0/8")
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b := parseIPNet("2.0.0.0/8")
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c := parseIPNet("3.0.0.0/8")
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s.Insert(a, b, c)
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if len(s) != 3 {
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t.Errorf("Expected len=3: %d", len(s))
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}
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s.Delete(a, c)
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if len(s) != 1 {
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t.Errorf("Expected len=1: %d", len(s))
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}
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if s.Has(a) {
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t.Errorf("Unexpected contents: %#v", s)
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}
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if s.Has(c) {
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t.Errorf("Unexpected contents: %#v", s)
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}
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if !s.Has(b) {
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t.Errorf("Missing contents: %#v", s)
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}
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}
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func TestNewIPSet(t *testing.T) {
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s, err := ParseIPNets("1.0.0.0/8", "2.0.0.0/8", "3.0.0.0/8")
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if err != nil {
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t.Errorf("error parsing IPNets: %v", err)
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}
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if len(s) != 3 {
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t.Errorf("Expected len=3: %d", len(s))
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}
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a := parseIPNet("1.0.0.0/8")
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b := parseIPNet("2.0.0.0/8")
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c := parseIPNet("3.0.0.0/8")
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if !s.Has(a) || !s.Has(b) || !s.Has(c) {
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t.Errorf("Unexpected contents: %#v", s)
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}
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}
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func TestIPNetSetDifference(t *testing.T) {
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l, err := ParseIPNets("1.0.0.0/8", "2.0.0.0/8", "3.0.0.0/8")
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if err != nil {
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t.Errorf("error parsing IPNets: %v", err)
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}
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r, err := ParseIPNets("1.0.0.0/8", "2.0.0.0/8", "4.0.0.0/8", "5.0.0.0/8")
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if err != nil {
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t.Errorf("error parsing IPNets: %v", err)
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}
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c := l.Difference(r)
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d := r.Difference(l)
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if len(c) != 1 {
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t.Errorf("Expected len=1: %d", len(c))
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}
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if !c.Has(parseIPNet("3.0.0.0/8")) {
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t.Errorf("Unexpected contents: %#v", c)
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}
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if len(d) != 2 {
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t.Errorf("Expected len=2: %d", len(d))
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}
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if !d.Has(parseIPNet("4.0.0.0/8")) || !d.Has(parseIPNet("5.0.0.0/8")) {
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t.Errorf("Unexpected contents: %#v", d)
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}
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}
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func TestIPNetSetList(t *testing.T) {
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s, err := ParseIPNets("3.0.0.0/8", "1.0.0.0/8", "2.0.0.0/8")
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if err != nil {
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t.Errorf("error parsing IPNets: %v", err)
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}
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l := s.StringSlice()
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sort.Strings(l)
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if !reflect.DeepEqual(l, []string{"1.0.0.0/8", "2.0.0.0/8", "3.0.0.0/8"}) {
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t.Errorf("List gave unexpected result: %#v", l)
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}
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}
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